National Geofund and Geology (NGG)

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National Geofund and Geology(NGG)
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National Geofund

• Geological data collected in the last 50 years
• More than 7000 reports covering all aspects of
  geological activities
• In charge of disclosure of unpublished
  information to another organizations under
  established rules.

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National Geofund

• Two ways to find reports of interest
• In GeoArchive DB
• Using graphical interface for the areas in which
  geological works have been done

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National Geofund
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Geological Map of Bulgaria

• Scale 1 500 000
• Published in 1989
• 2 flat coloured sheets covered all territory of
  Bulgaria
• Bulgarian-English edition
• Digital model available (MapInfo)
• The map is compiled on the base of the
  Geological map of Bulgaria scale 1100 000 and
  available data of the National Geofund

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Digital Map
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Digital Map

• Fragment of 1500000 map in real scale

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Geological Map of Bulgaria

• Scale 1100 000
• Published Map Series
• 86 coloured flat sheets, covered all the country
• Bulgarian or English edition
• Available in digital form (MapInfo)

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Digital Maps
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Digital Map, example
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Geological Map of Bulgaria

• Scale 125 000
• Unpublished map series
• Standard indexed map sheets, covered mineral
  potential areas
• Reports are available
• Some of map sheets are available in digital
  form (MapInfo)
• The results from new field geological mapping
  program are
• produced directly in digital form and printed
• Only Bulgarian edition available.

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Digital Maps
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Digital Maps, example.
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Geological Data Sets

• Geological Maps, Scale - 1500 000,1100 000,125
  000
• GIS format - different layers of information
• Geological boundaries
• Stratigraphy
• Lithology
• Tectonics
• Rivers
• Infrastructure - towns, roads, railway

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Geomorphologic Map of Bulgaria

• Scale 1100 000
• Unpublished map series
• Map sheets correspond to geological map in scale
  1100 000.

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• Geochemical Map of Bulgaria
• Scale 1100 000
• Unpublished series, presents point-source
  geochemical data
• The point data have been gridded to create
  colour classified digital maps.
• Gravity Map of Bulgaria
• Scale 1100 000
• Unpublished map series
• Bouguer anomaly contours and location of
  observations

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Digital Maps
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Magnetic Map of BulgariaScale 1100 000

• Unpublished map series
• Ground magnetic anomaly contours and location of
  digitised data points.

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• Map of Mineral Deposits of Bulgaria, Scale 1100
  000
• Unpublished map series, consists of point objects
  that represent location of mineral deposits,
  occurrence and indication.
• Geoarchive
• Data set in Bulgarian language about all the
  reports available in National Geofund with the
  key words for searching
• Oil and Gas Wells
• Data set for all oil and gas wells drilled on
  the territory of Bulgaria, onshore
• and offshore
• Seismic Lines in Bulgaria
• Data set consists of information from seismic
  surveys, onshore and offshore.

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Example of interpretation using information from
seismic survey, wells and well logs.
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• Aeromagnetic and Gamma Ray Spectrometer Data
• Regional aero data
• Location of digitised data points along flight
  lines and calculated
• values of magnetic field and U,Th, K

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• Exploration Drillholes and Mining Workings
• Data set consists of information from drillholes
  and mining workings of mineral exploration
  programs.
• National Balance of Reserves and Resources
• The data set consists of reserves and resources
  of all metallic, industrial minerals, oil and
  gas, coal deposits in Bulgaria.
• Tectonic Map of Bulgaria
• Scale 1500 000
• Published map
• 2 sheets
• Bulgarian-English Edition, 1976.

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Digital Map

• Magnetic Map of Bulgaria, 1500000.
• Contour map of Za(nT), produced from grid 5x5km

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Geological Data Sets

• Metallogenic Map of Bulgaria, 11000000.
• Published 1coloured map sheet, English edition,
  1989
• Map of Delimited Areas of Gold Deposits in
  Bulgaria.
• Computer map, produced from digitised series of
  maps of scale ranging from 11000 to 125000.
• Map of Uranium Mineralization in Bulgaria.
• Computer Map with uranium deposits, occurrences
  and radioactive anomalies, digitised from maps of
  scale 1200000.

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Geological Data Sets

• Physical properties of the Rocks.
• Data set containing information for rock
  samples-coordinates, type of rock, geologic end
  tectonic position and major physical properties.
  Currently updated.
• Pan sampling data.
• Data set contains information about position of
  pan samples and quality and quantity of minerals.
  Currently updated.

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Contents of gold grains in pan samples
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Geological Data Sets

• Geological Study Areas in Bulgaria
• Computer maps of the areas in which geological
  works have been done.
• Register and Cadastre of Prospecting and/or
  Exploration Permits
• Register and Cadastre of permits for prospecting
  and/or exploration of underground resources
  issued by the state authorities according
  UNDERGROUND RESOURCES ACT.
• Specialised Cadastre of Deposits and Register of
  Discoveries
• Data set contains maps of mineral deposits and
  information about the discoveries of underground
  resources made as a result of geological
  research.

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Geological Data Sets

• Map of the Geological Hazards in Bulgaria,
  1500000.
• Published Map accompanying with
  explanatory text in booklet, 1 folded colour
  sheet, Bulgarian-English edition, 1994
• Groundwater Monitoring Design for Bulgaria,
  11000000
• Computer map for Groundwater Monitoring
  Design on the base of Geological Map 1500000.
• Map of Underground Waters, 1500000.
• Unpublished map, paper copy.
• Map of Mineral Waters in Bulgaria, 1500000.
• Unpublished map, paper copy.

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Geological Data Sets

• Hydrogeological Map of Bulgaria, 1200000.
• Published Atlas containing 28 coloured map sheets
  and 16 hydrogeological sections.
• Map of Resources of Underground Waters in
  Bulgaria, 1200000.
• Published Atlas containing 28
  coloured map sheets.
• Map of River System in Bulgaria, 125000.
• Digital map sheets produced from
  topographic maps.
• Protected Caves in Bulgaria.
• Data set contains information about 113 protected
  caves with maps of caves and protected areas.