BGS home page
Anomalies  3 narrower terms
  Geophysical anomalies
   Gravity anomalies (One dataset)
    GeoIndex Gravity Anomalies
   Magnetic anomalies (One dataset)
    GeoIndex Magnetic Anomalies
Boreholes  62 assigned datasets
  10k Sheet Data Files.
  50k Sheet Data Files.
  Borehole Geology Database.
  Borehole Notifications.
  British Coal Miscellaneous records
  Coal Authority Borehole Log Data.
  Copy Borehole Logs.
  Deep Mine Data
  Digital Geophysical Borehole Log Index (RECALL database)
  Downhole Geophysical Log Collection.
  Ex-British Coal Interpretive Collection.
  GeoIndex Boreholes Theme
  GeoIndex Boreholes with Geophysical Logs
  GeoIndex Civil Engineering Theme
  GeoIndex Coal Authority Digital Geophysical Logs
  GeoIndex Hydrocarbon Well Locations (UK Onshore)
  GeoIndex Local Government Theme
  GeoIndex Mineral Assessment Reports
  GeoIndex Minerals Theme
  GeoIndex Onshore Borehole Records
  GeoIndex Onshore Borehole Samples
  GeoIndex Onshore Drillcore
  GeoIndex Opencast Coal Prospecting Areas
  GeoIndex Site Investigation Reports
  Geological Archives.
  Geophysical Borehole Log Index
  Geotechnical Database
  Hydro-Electric Records (He)
  Hydrogeological Core Properties.
  Index To Deep Mine Data
  Index To Onshore Borehole Collection.
  Index To Opencast Coal Data
  Index To Registered Borehole Specimens (England, Wales And Scotland).
  Index To Site Investigation Reports Collection.
  Index To Statutory Borehole Notifications.
  Index To The BGS Collection Of Archived Video Recordings.
  Index To The BGS Collection Of Geologist's Field Notebooks And Section Books.
  Index To The National Geological Records Centre Accessions Collection.
  Index To The National Geological Records Centre Collection Of Geological Archives.
  Land Survey Record Index Database (LSRI); Scotland And Northern England.
  New Accessions To National Geological Records Centre.
  Nirex 3-D Modelling Data.
  Nirex Analogue (Paper) Records
  Nirex Magnetic Tape Archives - Processed Data
  Nirex Magnetic Tape Archives - Raw Data
  Nirex Rock Cores And Core Samples From Deep Boreholes.
  Opencast Coal Data
  Opencast Coal Records: Scotland & Northern England.
  Opencast Coal Site Maps
  Records Of Mineral Exploration.
  Registered Borehole Specimens Collection (England And Wales).
  Scanned Images of Deep Mine Data
  Single Onshore Borehole Index
  Site Investigation Records: Scotland & Northern England.
  Site Investigation Reports Collection.
  Stratigraphic Surfaces Database.
  Teaching Pack of Digital Geological Data (GeoScholar)
  The BGS Collection Of Archived Video Recordings.
  The BGS Collection Of Geologist's Field Notebooks, Section Books and Field Record Cards.
  The BGS Collection Of Mine Plans.
  The BGS UK (North) Biostratigraphical Collection Of Graphic Logs
  UK Sand And Gravel Database
 4 narrower terms
  Mine shafts (17 datasets)
  Wells (4 datasets)
   Exploratory wells (One dataset)
    GeoIndex Hydrocarbon Well Locations (UK Onshore)
   Water wells (6 datasets)
Botany  Narrower term
  Palynology (2 datasets)
Cartography  3 narrower terms
  Cross sections (One dataset)
   Applied Geology Maps and Sections
  Photogrammetry (One dataset)
   Photogrammetric Data Of The UK And World
   Stereophotogrammetry (One dataset)
    Photogrammetric Data Of The UK And World
Chemistry  3 assigned datasets
  Analytical Geochemistry Laboratory Records
  BGS Chemistry Records Pre 2000
  Data Held In The BGS Laboratory Information Management System
 27 narrower terms
  Analytical chemistry (2 datasets)
   Chemical analysis (6 datasets)
    Instrumental chemical analysis
     Spectroscopy
      Atomic spectroscopy
       X ray fluorescence spectroscopy (5 datasets)
      ICP spectroscopy (One dataset)
       GeoIndex Stream Water
      Molecular spectroscopy
       X ray diffraction (One dataset)
        Nirex Petrological Samples And Records.
    Major element analysis (2 datasets)
    Trace analysis (2 datasets)
  Chemical properties
   Acidity (One dataset)
    Acidity of Stream Water
   pH value (One dataset)
    GeoIndex Stream Water
  Geochemistry (46 datasets)
   Geochemical exploration (6 datasets)
   Geochemical mapping (2 datasets)
   Geochemical sampling (2 datasets)
    Soil sampling (3 datasets)
    Stream sampling (3 datasets)
    Stream sediment sampling (2 datasets)
   Isotope geochemistry (4 datasets)
   Marine geochemistry (5 datasets)
  Rock chemistry (One dataset)
   GeoIndex Rock
  Soil chemistry (9 datasets)
   Soil analysis (4 datasets)
  Water chemistry (4 datasets)
Climatology  Narrower term
  Climate change (One dataset)
   1:1.5M scale 'Geology Through Climate Change' Map Covering UK mainland, Northern Ireland and Eire.
Drilling  One assigned dataset
  GeoIndex Site Investigation Reports
 Narrower term
  Deep drilling (6 datasets)
Economic geology  One assigned dataset
  Industrial Mineral Assessment (IMAU) Report Maps Digital Data
 2 narrower terms
  Petroleum geology
   Formation evaluation (One dataset)
    Digital Geophysical Borehole Log Index (RECALL database)
Economics  2 narrower terms
  Mineral economics (4 datasets)
   Commodity economics (2 datasets)
Electrical power  2 narrower terms
  Electrical power generation
   Hydroelectric power generation (One dataset)
    Hydro-Electric Records (He)
Engineering geology  8 assigned datasets
  Applied Geology Maps and Sections
  Engineering Laboratory Reports
  Geotechnical Database
  Index To Site Investigation Reports Collection.
  Index To The BGS Technical Reports Collection.
  Index To The National Geological Records Centre Accessions Collection.
  New Accessions To National Geological Records Centre.
  Site Investigation Reports Collection.
 6 narrower terms
  Geomechanics
   Rock mechanics
    Rock properties (One dataset)
     GeoIndex Boreholes with Geophysical Logs
   Soil mechanics (One dataset)
    Coastal-Marine Sample Station and Borehole Analyses
  Site investigations (25 datasets)
   Dam site investigations (One dataset)
    Hydro-Electric Records (He)
Excavation  2 narrower terms
  Tunnelling
   Tunnels (One dataset)
    Hydro-Electric Records (He)
Field geology  4 assigned datasets
  Datastore for BGS Digital Field Data Capture System (BGS SIGMAmobile)
  Index Data From Field Note Record Sheets.
  Index To The BGS Collection Of Geologist's Field Notebooks And Section Books.
  The BGS Collection Of Geologist's Field Notebooks, Section Books and Field Record Cards.
Filling  Narrower term
  Land filling (3 datasets)
Fuels  5 narrower terms
  Fossil fuels
   Coal (24 datasets)
    Coal exploration (2 datasets)
   Petroleum
    Oil (11 datasets)
Gases  6 assigned datasets
  British Coal Miscellaneous records
  Deep Mine Data
  Ex-British Coal Interpretive Collection.
  Geological Archives.
  Index To Opencast Coal Data
  Scanned Images of Deep Mine Data
 3 narrower terms
  Rare gases
   Radon gas (One dataset)
    Environmental Radioactivity Database
    Radon detection (2 datasets)
General geology  23 assigned datasets
  British Coal Miscellaneous records
  Collections Of Aerial Photographs.
  Deep Mine Data
  Enquiry Records
  Ex-British Coal Interpretive Collection.
  Foreign Sliced Rock Collection.
  Geological Archives.
  Groundwater Level Archive
  Hydrogeological Core Properties.
  Index Data From Field Note Record Sheets.
  Index To Deep Mine Data
  Index To Onshore Borehole Collection.
  Index To Opencast Coal Data
  Index To Registered Borehole Specimens (England, Wales And Scotland).
  Index To The BGS Collections Of Aerial Photographs
  Index To The BGS Medium Scale Geological Map Collection.
  Index To The National Geological Records Centre Collection Of Geological Archives.
  Onshore Borehole Collection.
  Opencast Coal Data
  Registered Borehole Specimens Collection (England And Wales).
  Scanned Images of Deep Mine Data
  Water Well Archive
  Wellmaster Hydrogeological Database.
Geography  8 narrower terms
  Geomorphology
   Flood plains (One dataset)
    GeoIndex Geological Indicators of Flooding
   Landforms
    Coasts
     Coastal features
      Coastal plains (One dataset)
       GeoIndex Geological Indicators of Flooding
   Topography (One dataset)
    Historic Maps Collection
    DEM (2 datasets)
Geological environment  Narrower term
  Palaeoenvironment (One dataset)
   Biostratigraphy Reports - Onshore And Offshore, 1953-2000.
Geological features  3 narrower terms
  Faults (One dataset)
   Structure Of The Bedrock
  Geological structures
   Grabens (One dataset)
    Distribution Of UK North Sea Lithostratigraphic Units
Geological processes  One assigned dataset
  Understanding The Micro-To Macro Behaviour Of Rock-Fluid Systems - M2M
 26 narrower terms
  Glaciation
   Glacial sediments (2 datasets)
  Metamorphism (One dataset)
   Pelite Illite Crystallinity Database
  Sedimentation
   Sediments (One dataset)
    Coastal-Marine Sample Station and Borehole Analyses
    Clastic sediments
     Clays
      Clay minerals
       Illite (One dataset)
        Pelite Illite Crystallinity Database
      Refractory clays (One dataset)
       Plans Of Abandoned Mines (Other Than Coal & Shale): Scotland.
     Gravel (3 datasets)
     Sands (2 datasets)
      Mineral sands (One dataset)
       GeoIndex Mineral Assessment Reports
    Detrital sediments
     Detritus
      Gravel (3 datasets)
    Terrestrial sediments
     Freshwater sediments
      Fluvial sediments (7 datasets)
     Glacial sediments (2 datasets)
  Seismicity (One dataset)
   GeoIndex Modern and Historical Recorded Earthquakes
   Seismic monitoring (One dataset)
    GeoIndex Modern and Historical Recorded Earthquakes
  Structural processes (geology)
   Deformation (structural geology)
    Faulting
     Faults (One dataset)
      Structure Of The Bedrock
Geophysics  54 assigned datasets
  Airborne Magnetic Survey Records For United Kingdom And Adjacent Areas.
  BGS International Minerals-Related Data Holdings Scoping Study Report
  BGS Reports Collection.
  British Coal Miscellaneous records
  Coal Authority Borehole Log Data.
  Coal Authority Seismic Survey Data.
  Copy Borehole Logs.
  Copy Seismic Sections.
  Deep Mine Data
  Deep Seismic Survey Data.
  Digital Geophysical Borehole Log Index (RECALL database)
  Digital Seismic Sections.
  Digital Seismic Shotpoint Location Maps.
  Downhole Geophysical Log Collection.
  Engineering Laboratory Reports
  Ex-British Coal Interpretive Collection.
  GeoIndex Boreholes with Geophysical Logs
  GeoIndex Geophysics Theme
  GeoIndex Gravity Anomalies
  GeoIndex Gravity Readings
  GeoIndex High Resolution Airborne Surveys
  GeoIndex Local Geophysical Surveys, Survey Lines and Survey Points
  GeoIndex Magnetic Anomalies
  GeoIndex Regional Airborne Magnetic Surveys and Flight Lines
  GeoIndex UK Onshore Geophysical Library (UKOGL)
  Geological Archives.
  Geophysical Borehole Log Index
  Geophysical Properties Databank.
  Geophysical Surveys In Africa
  Geophysical Surveys In Latin America.
  Geophysical Surveys In The Middle And Far East
  Ground Geophysical Surveys In The UK Done For Specific Projects.
  Index To Deep Mine Data
  Index To Opencast Coal Data
  Index To The BGS Technical Reports Collection.
  Index To The National Geological Records Centre Collection Of Geological Archives.
  Nirex 3-D Modelling Data.
  Nirex Digital Geoscience Database (NDGD)
  Nirex Magnetic Tape Archives - Processed Data
  Nirex Magnetic Tape Archives - Raw Data
  Nirex Reference Drawings.
  Opencast Coal Data
  Opencast Coal Site Maps
  Original Seismic Sections.
  Original Seismic Shotpoint Location Maps.
  Overseas Geophysical Surveys
  Petrobangla (Bangladesh) Seismic Survey Data
  Scanned Images of Deep Mine Data
  Seismic Line Index (SLI).
  Seismic Locations And Sections Database
  Stratigraphic Surfaces Database.
  UK Earthquake Seismogram Data.
  UK Onshore Geophysical Library (UKOGL)
  Understanding The Micro-To Macro Behaviour Of Rock-Fluid Systems - M2M
 50 narrower terms
  Geophysical interpretation
   Geophysical profiles
    Seismic profiles (2 datasets)
   Seismic interpretation
    Seismic event (3 datasets)
    Seismic profiles (2 datasets)
    Seismographs (6 datasets)
  Geophysical methods
   Down hole geophysics (One dataset)
    Borehole Geology Database.
   Electrical survey methods
    EM methods (One dataset)
     GeoIndex High Resolution Airborne Surveys
  Geophysical surveys (22 datasets)
   Aerial geophysical surveys (3 datasets)
    Aerial magnetic surveys (3 datasets)
   Electrical surveys
    EM surveys
     EM methods (One dataset)
      GeoIndex High Resolution Airborne Surveys
    Electrical survey methods
     EM methods (One dataset)
      GeoIndex High Resolution Airborne Surveys
   Geophysical anomalies
    Gravity anomalies (One dataset)
     GeoIndex Gravity Anomalies
    Magnetic anomalies (One dataset)
     GeoIndex Magnetic Anomalies
   Gravity surveys (2 datasets)
    Gravity anomalies (One dataset)
     GeoIndex Gravity Anomalies
    Gravity values (One dataset)
     GeoIndex Gravity Anomalies
    Marine gravity surveys (One dataset)
     GeoIndex Gravity Readings
   Magnetic surveys (6 datasets)
    Aerial magnetic surveys (3 datasets)
    Magnetic anomalies (One dataset)
     GeoIndex Magnetic Anomalies
    Magnetic data (2 datasets)
   Radioactivity surveys (4 datasets)
   Seismic surveys (4 datasets)
    Marine seismic surveys (2 datasets)
    Seismic reflection surveys (10 datasets)
  Marine geophysics (7 datasets)
  Solid earth geophysics
   Geomagnetism (8 datasets)
    Geomagnetic stations (One dataset)
     UK Geomagnetic Observatory One-Minute Mean Values.
   Geothermometry
    Mineral thermometry
     Fluid inclusions (One dataset)
      Nirex Petrological Samples And Records.
   Gravity (One dataset)
    GeoIndex Gravity Readings
   Seismology (6 datasets)
    Earthquakes (4 datasets)
    Seismic interpretation
     Seismic event (3 datasets)
     Seismic profiles (2 datasets)
     Seismographs (6 datasets)
    Seismicity (One dataset)
     GeoIndex Modern and Historical Recorded Earthquakes
     Seismic monitoring (One dataset)
      GeoIndex Modern and Historical Recorded Earthquakes
Glacial geology  2 narrower terms
  Glaciation
   Glacial sediments (2 datasets)
Halides  Narrower term
  Fluorides (One dataset)
   Fluoride in Stream Water
Historical geology  One assigned dataset
  World Seismicity Database
 20 narrower terms
  Geochronology (One dataset)
   Digital Geochronological Index
   Geological age (One dataset)
    UK Continental Shelf Seabed Sediments (1:1 million scale)
  Geological time
   Geological time scale
    Phanerozoic
     Cenozoic
      Quaternary (3 datasets)
      Tertiary (2 datasets)
     Mesozoic (One dataset)
      London Register Of Microfossils.
      Cretaceous (3 datasets)
      Jurassic (3 datasets)
     Palaeozoic (4 datasets)
      Carboniferous (2 datasets)
      Ordovician (One dataset)
       GeoIndex Fossil Specimens
      Silurian (One dataset)
       GeoIndex Fossil Specimens
  Stratigraphy (8 datasets)
   Biostratigraphy (13 datasets)
   Chronostratigraphy (One dataset)
    Taxonomic Listing Of Quaternary, Upper Tertiary and Carboniferous Fossils Of UK (North).
   Rock stratigraphic unit (2 datasets)
   Stratigraphic nomenclature (One dataset)
    The BGS Lexicon Of Named Rock Units.
Hydrocarbons  10 assigned datasets
  British Coal Miscellaneous records
  Deep Mine Data
  Downhole Geophysical Log Collection.
  Ex-British Coal Interpretive Collection.
  GeoIndex Hydrocarbon Well Locations (UK Onshore)
  Geological Archives.
  Index To Deep Mine Data
  Index To Opencast Coal Data
  Index To The National Geological Records Centre Collection Of Geological Archives.
  Scanned Images of Deep Mine Data
 4 narrower terms
  Aliphatic hydrocarbons
   Alkanes
    Methane
     Coalbed methane (2 datasets)
Hydrology  One assigned dataset
  Aquifer Properties, Database Of Physical Properties Of Aquifers In England And Wales.
 16 narrower terms
  Floods (3 datasets)
  Hydrogeology (21 datasets)
   Ground water (10 datasets)
    Aquifers (11 datasets)
     Aquifer properties (2 datasets)
      Transmissivity (One dataset)
       GeoIndex Water Wells with Aquifer Property Measurements
    Ground water discharge
     Springs (3 datasets)
    Ground water level
     Water table (One dataset)
      GeoIndex Water Wells with Water Level Measurements
    Ground water management
     Ground water pollution (One dataset)
      GeoIndex Aquifer Vulnerability Maps
     Ground water withdrawal
      Drawdown (One dataset)
       GeoIndex Water Wells with Aquifer Property Measurements
    Ground water movement (5 datasets)
    Water wells (6 datasets)
Industrial materials  12 narrower terms
  Aggregates (One dataset)
   Crushed Rock Inter-Regional Flows
  Construction materials (One dataset)
   Industrial Minerals Resources Map of Britain
   Building materials
    Building stones (One dataset)
     Reference Samples Of Building Stones.
  Industrial minerals (One dataset)
   Industrial Minerals Resources Map of Britain
   Barite (3 datasets)
   Clay minerals
    Illite (One dataset)
     Pelite Illite Crystallinity Database
   Gypsum (2 datasets)
  Limestone (3 datasets)
  Stone
   Building stones (One dataset)
    Reference Samples Of Building Stones.
Industry  2 narrower terms
  Mineral industry
   Mineral statistics (2 datasets)
Industry statistics  5 narrower terms
  Consumption (One dataset)
   UK Information And Statistics.
  Exports (One dataset)
   World Mineral Statistics Dataset.
  Imports (One dataset)
   World Mineral Statistics Dataset.
  Mineral statistics (2 datasets)
  Production (2 datasets)
Information storage and retrieval  32 narrower terms
  Data management
   Data processing
    Data (14 datasets)
     Geochemical data (One dataset)
      Hydrothermal Geochemical Experimental Data.
     Geophysical data (One dataset)
      GeoIndex Coal Authority Digital Geophysical Logs
      Gravity data (One dataset)
       GeoIndex Geophysics Theme
      Magnetic data (2 datasets)
      Seismic data (5 datasets)
      Potential field data
       Gravity data (One dataset)
        GeoIndex Geophysics Theme
       Magnetic data (2 datasets)
     Imagery (One dataset)
      Satellite Imagery Of The UK/World (Digital)
      Satellite imagery (5 datasets)
     Spatial data
      DEM (2 datasets)
      Maps (35 datasets)
       Atlases (2 datasets)
       Digital maps (17 datasets)
       Geochemical maps (6 datasets)
       Geological maps (20 datasets)
        Field maps (2 datasets)
       Geophysical maps
        Gravity maps (One dataset)
         GeoIndex Gravity Readings
       Hydrogeological maps (2 datasets)
       Resource maps
        Coal resource maps (2 datasets)
        Mineral resource maps (2 datasets)
  Documentation
   Indexing
    Thesauri (One dataset)
     BGS Geoscience Thesaurus
  Information systems
   GIS (24 datasets)
Logging  One assigned dataset
  Digital Geophysical Borehole Log Index (RECALL database)
 8 narrower terms
  Logs
   Geological logs (One dataset)
    GeoIndex Water Wells
   Geophysical logs (4 datasets)
   Graphic logs (5 datasets)
   Well logs (One dataset)
    Downhole Geophysical Log Collection.
  Well logging (3 datasets)
   Well logs (One dataset)
    Downhole Geophysical Log Collection.
   Wire line logging (One dataset)
    Digital Geophysical Borehole Log Index (RECALL database)
Man made features  3 narrower terms
  Dams
   Dam site investigations (One dataset)
    Hydro-Electric Records (He)
  Tunnels (One dataset)
   Hydro-Electric Records (He)
Mapping  One assigned dataset
  Datastore for BGS Digital Field Data Capture System (BGS SIGMAmobile)
 17 narrower terms
  Geochemical mapping (2 datasets)
  Geological mapping (6 datasets)
   Geological maps (20 datasets)
    Field maps (2 datasets)
   Structural mapping (One dataset)
    East Grampians Field Data.
  Maps (35 datasets)
   Atlases (2 datasets)
   Digital maps (17 datasets)
   Geochemical maps (6 datasets)
   Geological maps (20 datasets)
    Field maps (2 datasets)
   Geophysical maps
    Gravity maps (One dataset)
     GeoIndex Gravity Readings
   Hydrogeological maps (2 datasets)
   Resource maps
    Coal resource maps (2 datasets)
    Mineral resource maps (2 datasets)
Marine geology  17 assigned datasets
  1:1M scale Offshore Quaternary Map
  BGS Reports Collection.
  Coastal-Marine Geophysical Data
  Coastal-Marine Geophysical Index
  Coastal-Marine Geophysical Records
  Coastal-Marine Map Index
  Coastal-Marine Maps
  Coastal-Marine Photographs
  Coastal-Marine Reports
  Coastal-Marine Sample Station and Borehole Analyses
  Coastal-Marine Sample Station and Borehole Index
  Coastal-Marine Sample Station and Borehole Records
  Coastal-Marine Samples and Cores
  Index To The BGS Technical Reports Collection.
  Interpreted Seismic And Well Data.
  Offshore - BedRock Geological Map Data - UK waters - 250K
  Offshore - Sea Bed Sediment Map Data - UK waters - 250k
Materials handling  Narrower term
  Storage (One dataset)
   Palaeosaurus
Metals  One assigned dataset
  Records Of Mineral Exploration.
 27 narrower terms
  Base metals
   Copper (2 datasets)
   Lead (5 datasets)
   Nickel (5 datasets)
   Zinc (One dataset)
    London Earth Topsoil Chemical Data
  Iron (One dataset)
   London Earth Topsoil Chemical Data
   Iron minerals
    Iron ores
     Hematite (One dataset)
      Plans Of Abandoned Mines (Other Than Coal): Cumbria.
   Iron ores
    Hematite (One dataset)
     Plans Of Abandoned Mines (Other Than Coal): Cumbria.
  Non ferrous metals
   Alkaline earth metals
    Calcium (One dataset)
     London Earth Topsoil Chemical Data
     Calcium sulphates
      Gypsum (2 datasets)
    Strontium
     Strontium isotopes (One dataset)
      Dalradian Carbonate Rock Geochemistry Database.
   Arsenic (6 datasets)
   Base metals
    Copper (2 datasets)
    Lead (5 datasets)
    Nickel (5 datasets)
    Zinc (One dataset)
     London Earth Topsoil Chemical Data
   Cadmium (5 datasets)
   Chromium (5 datasets)
   Uranium (2 datasets)
Microorganisms  2 narrower terms
  Microplankton
   Dinoflagellates (One dataset)
    Biostratigraphical Masterpacks.
Microscopy  Narrower term
  Electron microscopy (One dataset)
   Nirex Petrological Samples And Records.
Mineral deposits  2 assigned datasets
  GeoIndex Mineral Assessment Reports
  Records Of Mineral Exploration.
 3 narrower terms
  Hydrothermal deposits (One dataset)
   Hydrothermal Geochemical Experimental Data.
  Mineral sands (One dataset)
   GeoIndex Mineral Assessment Reports
  Ores (6 datasets)
Mineral processing  3 narrower terms
  Mineral separation
   Gravity separation
    Panning (One dataset)
     GeoIndex Panned Drainage Sediment
Mineralogy  2 assigned datasets
  BGS Reports Collection.
  Index To The BGS Technical Reports Collection.
 25 narrower terms
  Mineragraphy
   Polished section (One dataset)
    Nirex Petrological Samples And Records.
  Mineral genesis
   Ore genesis
    Metallogenesis (One dataset)
     GeoIndex Mineral Reconnaissance Programme Reports
  Minerals (22 datasets)
   Industrial minerals (One dataset)
    Industrial Minerals Resources Map of Britain
    Barite (3 datasets)
    Clay minerals
     Illite (One dataset)
      Pelite Illite Crystallinity Database
    Gypsum (2 datasets)
   Metalliferous minerals (6 datasets)
    Iron minerals
     Iron ores
      Hematite (One dataset)
       Plans Of Abandoned Mines (Other Than Coal): Cumbria.
   Non metalliferous minerals
    Clay minerals
     Illite (One dataset)
      Pelite Illite Crystallinity Database
    Evaporite minerals
     Gypsum (2 datasets)
   Oxide minerals
    Hematite (One dataset)
     Plans Of Abandoned Mines (Other Than Coal): Cumbria.
   Sulphate minerals
    Barite (3 datasets)
    Gypsum (2 datasets)
Mining  16 assigned datasets
  10k Sheet Data Files.
  50k Sheet Data Files.
  Applied Geology Maps and Sections
  Archival Card Index Of Quarries In England And Wales.
  Arup Review Of Mining Instability In Great Britain
  Dines Metalliferous Mineral File.
  GeoIndex Opencast Coal Prospecting Areas
  Index To The BGS Collection Of Large Scale Mine Plans & Land Survey Plans.
  Land Survey Plans (LSP)
  Mines And Quarries Database - BritPits.
  Mining Hazard (not including coal) in Great Britain.
  Opencast Coal Records: Scotland & Northern England.
  Plans Of Abandoned Mines (Coal & Oil Shale) For Scotland Held On Microfilm.
  Plans Of Abandoned Mines (Other Than Coal & Shale): Scotland.
  Plans Of Abandoned Mines (Other Than Coal): Cumbria.
  The BGS Collection Of Mine Plans.
 13 narrower terms
  Coal mining (One dataset)
   Index To Opencast Coal Data
  Industrial sand mining
   Sand pits (One dataset)
    Mines And Quarries Database - BritPits.
  Mine planning (5 datasets)
  Mines (19 datasets)
  Mining engineering
   Mine shafts (17 datasets)
  Surface mining
   Open cut mining (4 datasets)
   Quarrying (12 datasets)
    Quarries (2 datasets)
     Pits
      Sand pits (One dataset)
       Mines And Quarries Database - BritPits.
Natural hazards  16 assigned datasets
  Applied Geology Maps and Sections
  Arup Review Of Mining Instability In Great Britain
  GeoIndex Landslides
  GeoSure Basic
  GeoSure Collapsible Deposits
  GeoSure Compressible Deposits
  GeoSure Insurance Data
  GeoSure Running Sand Deposits
  GeoSure Shrink Swell Deposits
  GeoSure Slope Instability
  GeoSure Soluble Rocks
  Geological Indicators of Flooding Great Britain
  HPA-BGS Joint Indicative Atlas of Radon in Great Britain
  HPA-BGS Joint Radon Potential Dataset For Great Britain
  Karst Geohazard Database
  Mining Hazard (not including coal) in Great Britain.
 10 narrower terms
  Floods (3 datasets)
  Pollution (6 datasets)
   Water pollution
    Ground water pollution (One dataset)
     GeoIndex Aquifer Vulnerability Maps
  Geohazards
   Earthquakes (4 datasets)
   Landslides (4 datasets)
   Radon gas (One dataset)
    Environmental Radioactivity Database
    Radon detection (2 datasets)
   Subsidence (One dataset)
    Karst Geohazard Database
Natural resources  2 assigned datasets
  Applied Geology Maps and Sections
  GeoIndex Mineral Assessment Reports
 15 narrower terms
  Mineral resources (15 datasets)
   Mineral resource maps (2 datasets)
   Ore reserves (One dataset)
    GeoIndex Mineral Reconnaissance Programme Reports
  Reserves
   Ore reserves (One dataset)
    GeoIndex Mineral Reconnaissance Programme Reports
  Resource assessment (4 datasets)
  Resource maps
   Coal resource maps (2 datasets)
   Mineral resource maps (2 datasets)
  Water resources
   Water management
    Ground water management
     Ground water pollution (One dataset)
      GeoIndex Aquifer Vulnerability Maps
     Ground water withdrawal
      Drawdown (One dataset)
       GeoIndex Water Wells with Aquifer Property Measurements
Oceanography  3 narrower terms
  Bathymetry (One dataset)
   GeoIndex Gravity Readings
  Submarine topographic features
   Continental shelf (One dataset)
    Microfossils From The Continental Shelf - Value Added Data
Palaeontology  22 assigned datasets
  All BGS Raw Biostratigraphy Collections And Data
  All BGS Value Added Biostratigraphy Collections And Data
  Biostratigraphical Interpretative Data Files
  Biostratigraphical Masterpacks.
  Biostratigraphy Reports - Onshore And Offshore, 1953-2000.
  Calcareous Microfossil Registers.
  Index To Specimens Transferred From The John Smith Collection To The UK (North) Type and Stratigraphical Collection
  Index To The UK (North) Survey Collection Of Fossils.
  Index To The UK (North) Type And Stratigraphical Collection Of Fossils.
  List Of Specimens From The UK (North) Type And Stratigraphical Collection And Related Publications.
  London Office Registers Of Macrofossils.
  London Register Of Lower Palaeozoic Microfossils From The UK.
  London Register Of Microfossils.
  Microfossils - Raw Dataset
  Microfossils - Value Added Dataset
  Microfossils From The Continental Shelf - Value Added Data
  Microfossils From The UK.
  Palaeosaurus
  Taxonomic Listing Of Quaternary, Upper Tertiary and Carboniferous Fossils Of UK (North).
  The BGS Edinburgh Palaeontological Slides Collection.
  The BGS UK (North) Biostratigraphical Collection Of Graphic Logs
  Type And Figured Microfossils.
 12 narrower terms
  Fossils (13 datasets)
   Macrofossils (2 datasets)
   Microfossils (9 datasets)
   Fossil specimen
    Type specimen (3 datasets)
  Micropalaeontology (6 datasets)
   Foraminifera (2 datasets)
   Microfossils (9 datasets)
   Ostracoda (One dataset)
    London Register Of Microfossils.
  Systematic palaeontology
   Type specimen (3 datasets)
  Taxonomy (7 datasets)
Petroleum engineering  12 narrower terms
  Reservoir engineering
   Core analysis (One dataset)
    Nirex Analogue (Paper) Records
   Enhanced recovery
    Reservoir stimulation
     Water flooding (One dataset)
      Groundwater Flooding Susceptibility
   Petroleum production methods
    Reservoir performance
     Reservoir stimulation
      Water flooding (One dataset)
       Groundwater Flooding Susceptibility
   Well tests
    Pump tests (One dataset)
     Aquifer Properties, Database Of Physical Properties Of Aquifers In England And Wales.
     Well discharge tests (One dataset)
      GeoIndex Water Wells with Aquifer Property Measurements
Petrology  7 assigned datasets
  BGS Petrological Collection Database.
  BGS Reports Collection.
  England & Wales "1-Inch" Geological Map Sheet Petrological Sample Archive.
  Foreign Sliced Rock Collection.
  Index To The BGS Technical Reports Collection.
  Nirex Petrological Samples And Records.
  Reference Samples Of Building Stones.
 12 narrower terms
  Sedimentary petrology
   Sedimentary rocks
    Carbonate rocks
     Limestone (3 datasets)
    Clastic rocks
     Shale
      Oil shale (One dataset)
       Plans Of Abandoned Mines (Coal & Oil Shale) For Scotland Held On Microfilm.
    Coal (24 datasets)
     Coal exploration (2 datasets)
    Ironstone (3 datasets)
    Pelite (One dataset)
     Pelite Illite Crystallinity Database
  Thin sections (3 datasets)
Photography  5 assigned datasets
  Archive Photograph Collections
  BGS Photograph Collection
  Collections Of Aerial Photographs.
  Land Survey Collection of Photographs
  Royal Commission on the Ancient and Historical Monuments of Scotland - Aerial Photographs
 2 narrower terms
  Aerial photography (3 datasets)
   Aerial photographs (2 datasets)
Physical objects  5 narrower terms
  Core samples (5 datasets)
  Thin sections (3 datasets)
  Water samples (One dataset)
   GeoIndex Stream Water
  Fossil specimen
   Type specimen (3 datasets)
Physical phenomena  3 narrower terms
  Gravity (One dataset)
   GeoIndex Gravity Readings
  Magnetism
   Magnetic fields (One dataset)
    Data From Various Aeromagnetic Surveys In Offshore Petroleum Areas.
Planning  7 assigned datasets
  Karst Geohazard Database
  Mineral Resource Polygons
  Ministry of Housing and Local Government (MHLG) Mineral Planning Permission Polygons
  Ministry of Housing and Local Government (MHLG) Mineral Planning Permissions Cards
  Ministry of Housing and Local Government (MHLG) Mineral Planning Permissions Maps
  Ministry of Housing and Local Government (MHLG) Mineral Planning Permissions Scanned Maps
  Nottingham's Caves Database
 5 narrower terms
  Land use planning (2 datasets)
   Reclamation
    Land reclamation
     Land filling (3 datasets)
  Mine planning (5 datasets)
Potential field methods Properties  7 narrower terms
  Physical properties
   Electrical properties
    Conductivity (One dataset)
     GeoIndex Stream Water
   Permeability (6 datasets)
   Porosity (3 datasets)
  System properties
   Geological age (One dataset)
    UK Continental Shelf Seabed Sediments (1:1 million scale)
Radiation  5 narrower terms
  Nuclear radiation
   Gamma radiation (One dataset)
    Environmental Radioactivity Database
   Radioactive materials
    Radioactive isotopes
     Strontium isotopes (One dataset)
      Dalradian Carbonate Rock Geochemistry Database.
Regional geology  6 assigned datasets
  Geophysical Surveys In Africa
  Geophysical Surveys In Latin America.
  Geophysical Surveys In The Middle And Far East
  Ground Geophysical Surveys In The UK Done For Specific Projects.
  Overseas Geophysical Surveys
  Zimbabwe Regional Geochemical Survey.
Remote sensing  4 assigned datasets
  Collections Of Aerial Photographs.
  Index To The BGS Collections Of Aerial Photographs
  Photogrammetric Data Of The UK And World
  Satellite Imagery Of The UK/World (Digital)
 7 narrower terms
  Aerial photography (3 datasets)
   Aerial photographs (2 datasets)
  Imagery (One dataset)
   Satellite Imagery Of The UK/World (Digital)
   Satellite imagery (5 datasets)
  Spacecraft sensing
   Landsat (3 datasets)
   Satellite imagery (5 datasets)
Reports  7 assigned datasets
  GeoIndex Site Investigation Reports
  Index To The BGS Technical Reports Collection.
  Index To The National Geological Records Centre Accessions Collection.
  Index To The National Geological Records Centre Collection Of Geological Archives.
  Land Survey Record Index Database (LSRI); Scotland And Northern England.
  Nirex Analogue (Paper) Records
  Nottingham's Caves - Archival Material For Digital Register.
 Narrower term
  Technical reports (3 datasets)
Rocks  10 narrower terms
  Sedimentary rocks
   Carbonate rocks
    Limestone (3 datasets)
   Clastic rocks
    Shale
     Oil shale (One dataset)
      Plans Of Abandoned Mines (Coal & Oil Shale) For Scotland Held On Microfilm.
   Coal (24 datasets)
    Coal exploration (2 datasets)
   Ironstone (3 datasets)
   Pelite (One dataset)
    Pelite Illite Crystallinity Database
Sampling  One assigned dataset
  Kenya Regional Geochemistry.
 10 narrower terms
  Bulk sampling (One dataset)
   Onshore Borehole Collection.
  Core sampling
   Core samples (5 datasets)
  Geochemical sampling (2 datasets)
   Soil sampling (3 datasets)
   Stream sampling (3 datasets)
   Stream sediment sampling (2 datasets)
  Heavy mineral sampling (2 datasets)
  Water sampling
   Water samples (One dataset)
    GeoIndex Stream Water
Sedimentary geology  One assigned dataset
  Biostratigraphy Reports - Onshore And Offshore, 1953-2000.
 30 narrower terms
  Lithology (2 datasets)
   Lithologic unit (One dataset)
    The BGS Lexicon Of Named Rock Units.
  Sedimentary petrology
   Sedimentary rocks
    Carbonate rocks
     Limestone (3 datasets)
    Clastic rocks
     Shale
      Oil shale (One dataset)
       Plans Of Abandoned Mines (Coal & Oil Shale) For Scotland Held On Microfilm.
    Coal (24 datasets)
     Coal exploration (2 datasets)
    Ironstone (3 datasets)
    Pelite (One dataset)
     Pelite Illite Crystallinity Database
  Sedimentation
   Sediments (One dataset)
    Coastal-Marine Sample Station and Borehole Analyses
    Clastic sediments
     Clays
      Clay minerals
       Illite (One dataset)
        Pelite Illite Crystallinity Database
      Refractory clays (One dataset)
       Plans Of Abandoned Mines (Other Than Coal & Shale): Scotland.
     Gravel (3 datasets)
     Sands (2 datasets)
      Mineral sands (One dataset)
       GeoIndex Mineral Assessment Reports
    Detrital sediments
     Detritus
      Gravel (3 datasets)
    Terrestrial sediments
     Freshwater sediments
      Fluvial sediments (7 datasets)
     Glacial sediments (2 datasets)
Semiconductor materials  Narrower term
  Selenium (One dataset)
   London Earth Topsoil Chemical Data
Solar system  5 narrower terms
  Planets
   Earth (planet)
    Geosphere
     Earth hydrosphere
      Surface waters (4 datasets)
Speleology  Narrower term
  Caves (4 datasets)
Structural geology  One assigned dataset
  Structure Of The Bedrock
 6 narrower terms
  Geological structures
   Grabens (One dataset)
    Distribution Of UK North Sea Lithostratigraphic Units
  Structural processes (geology)
   Deformation (structural geology)
    Faulting
     Faults (One dataset)
      Structure Of The Bedrock
Sulphates  3 narrower terms
  Sulphate minerals
   Barite (3 datasets)
   Gypsum (2 datasets)
Surficial geology  2 assigned datasets
  Geological Interpreted Superficial Deposits Thickness Models version 2.1, GI_SDTM v2.1
  Superficial Deposits Thickness Models, SDTM
 9 narrower terms
  Pedology
   Soil chemistry (9 datasets)
    Soil analysis (4 datasets)
   Soil classification (One dataset)
    National Soil-Parent Material
   Soils (4 datasets)
    Soil properties (One dataset)
     National Soil-Parent Material
    Soil sampling (3 datasets)
    Soil surveys (One dataset)
     London Earth Topsoil Chemical Data
    Top soil (2 datasets)
Surveys  35 narrower terms
  Aerial surveys (3 datasets)
   Aerial geophysical surveys (3 datasets)
    Aerial magnetic surveys (3 datasets)
  Exploration (6 datasets)
   Coal exploration (2 datasets)
   Mineral exploration (2 datasets)
    Geochemical exploration (6 datasets)
   Petroleum exploration (One dataset)
    Data From Various Aeromagnetic Surveys In Offshore Petroleum Areas.
  Geophysical surveys (22 datasets)
   Aerial geophysical surveys (3 datasets)
    Aerial magnetic surveys (3 datasets)
   Electrical surveys
    EM surveys
     EM methods (One dataset)
      GeoIndex High Resolution Airborne Surveys
    Electrical survey methods
     EM methods (One dataset)
      GeoIndex High Resolution Airborne Surveys
   Geophysical anomalies
    Gravity anomalies (One dataset)
     GeoIndex Gravity Anomalies
    Magnetic anomalies (One dataset)
     GeoIndex Magnetic Anomalies
   Gravity surveys (2 datasets)
    Gravity anomalies (One dataset)
     GeoIndex Gravity Anomalies
    Gravity values (One dataset)
     GeoIndex Gravity Anomalies
    Marine gravity surveys (One dataset)
     GeoIndex Gravity Readings
   Magnetic surveys (6 datasets)
    Aerial magnetic surveys (3 datasets)
    Magnetic anomalies (One dataset)
     GeoIndex Magnetic Anomalies
    Magnetic data (2 datasets)
   Radioactivity surveys (4 datasets)
   Seismic surveys (4 datasets)
    Marine seismic surveys (2 datasets)
    Seismic reflection surveys (10 datasets)
  Marine surveys (One dataset)
   Copy Borehole Logs.
   Marine gravity surveys (One dataset)
    GeoIndex Gravity Readings
   Marine seismic surveys (2 datasets)
   Marine survey equipment (2 datasets)
Tests  11 narrower terms
  Laboratory tests
   Chemical analysis (6 datasets)
    Instrumental chemical analysis
     Spectroscopy
      Atomic spectroscopy
       X ray fluorescence spectroscopy (5 datasets)
      ICP spectroscopy (One dataset)
       GeoIndex Stream Water
      Molecular spectroscopy
       X ray diffraction (One dataset)
        Nirex Petrological Samples And Records.
    Major element analysis (2 datasets)
    Trace analysis (2 datasets)
Wastes  2 narrower terms
  Waste management
   Waste disposal (4 datasets)
Water  9 assigned datasets
  10k Sheet Data Files.
  50k Sheet Data Files.
  Groundwater Level Archive
  Hydrogeological Core Properties.
  Results From The Regional Geochemical Mapping Of Britain
  Scottish Water Well Records.
  URGENT - Urban Regeneration And The Environment
  Water Well Archive
  Wellmaster Hydrogeological Database.
 20 narrower terms
  Ground water (10 datasets)
   Aquifers (11 datasets)
    Aquifer properties (2 datasets)
     Transmissivity (One dataset)
      GeoIndex Water Wells with Aquifer Property Measurements
   Ground water discharge
    Springs (3 datasets)
   Ground water level
    Water table (One dataset)
     GeoIndex Water Wells with Water Level Measurements
   Ground water management
    Ground water pollution (One dataset)
     GeoIndex Aquifer Vulnerability Maps
    Ground water withdrawal
     Drawdown (One dataset)
      GeoIndex Water Wells with Aquifer Property Measurements
   Ground water movement (5 datasets)
   Water wells (6 datasets)
  Salt water (One dataset)
   GeoIndex Hydrogeological Maps
  Surface waters (4 datasets)
  Water quality (One dataset)
   GeoIndex Hydrogeological Maps
  Water storage
   Dams
    Dam site investigations (One dataset)
     Hydro-Electric Records (He)
X ray diffraction pattern  Narrower term
  X ray diffraction (One dataset)
   Nirex Petrological Samples And Records.
Zoology  2 narrower terms
  Fauna (One dataset)
   The BGS UK (North) Biostratigraphical Collection Of Graphic Logs
   Microfauna (One dataset)
    London Register Of Lower Palaeozoic Microfossils From The UK.
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