MAPS SHOWING GEOLOGY, OIL AND GAS FIELDS AND GEOLOGIC PROVINCES OF THE FORMER SOVIET UNION

by
F. M. Persits, G. F. Ulmishek, D. W. Steinshouer

Open-File Report 97-470E

This report is preliminary and has not been reviewed for conformity with U. S. Geological Survey editorial standards and stratigraphic nomenclature. Any use of trade names is for descriptive purposes only and does not imply endorsement by the U. S. government.



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Table of Contents

Introduction
Data processing steps
References
Geologic provinces in the Former Soviet Union, sorted by province name
Geologic provinces in the Former Soviet Union, sorted by province code
Map showing geologic provinces of the Former Soviet Union
Map showing geology, oil and gas fields and geologic provinces of the Former Soviet Union



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I.  INTRODUCTION TOP of Report

This digitally compiled map includes geology, geologic provinces, and oil and gas fields of the Former Soviet Union. The map is part of a worldwide series on CD-ROM by the World Energy Project released of the U.S. Geological Survey . The goal of the project is to assess the undiscovered, technically recoverable oil and gas resources of the world and report these results by the year 2000. For data management purposes the world was divided into eight energy regions corresponding approximately to the economic regions of the world as defined by the U.S. Department of State.     The Former Soviet Union (Region 1) includes Armenia, Azerbaijan, Byelarus, Estonia, Georgia, Kazakhstan, Kyrgyzstan, Latvia, Lithuania, Moldova, Russia, Tajikistan, Turkmenistan, Ukraine, and Uzbekistan.

Each region was then further divided into geologic provinces on the basis of natural geologic entities and may include a dominant structural element or a number of contiguous elements. Some provinces contain multiple genetically related basins.  Geologic province boundaries for the Former Soviet Union were delineated using data from a number of geologic maps and other tectonic and geographic data (see References).

Offshore province boundaries were defined by the 2000 meter bathymetric contour from the map edited by Gabrielyants, 1990 (see References). Each province was assigned a unique number; the first digit is the region number; province numbers follow. An attempt was made to number the provinces in geographical groups; onshore, offshore, and combined on and offshore. The numbering starts in the west.

Oil and gas field data from Petroconsultants International Data Corporation worldwide oil and gas field database were allocated to these provinces. The geologic provinces are being further subdivided into petroleum systems and assessment units in order to appraise the undiscovered petroleum potential of selected provinces of the world. For a more in-depth discussion on the geologic provinces and their relative ranking in terms of total known petroleum volume, see Klett and others, 1997.

Specific details of the data sources and map compilation are given in the metadata file on this CD-ROM and in the page 4. Smaller stratigraphic subdivisions of Phanerozoic rock were combined to simplify the map and to maintain consistency with other maps of the series. Precambrian rocks are undivided. Oil and gas field markers represent field centerpoints published with permission from Petroconsultants International Data Corp., 1996 database.

This map was compiled using Environmental Systems Research Institute, Inc. (ESRI) ARC/INFO software. Political boundaries and cartographic representations on this map were taken, with permission, from ESRI's ArcWorld 1:3M digital coverage, have no political significance, and are displayed as general reference only. Portions of this database covering the coastline and country boundaries contain intellectual property of Environmental Systems Research Institute,Inc.(ESRI), and are used herein with permission. Copyright 1992 and 1996, Environmental Systems Research Institute,Inc. All rights reserved.


Data Processing Steps TOP of Report

This map has been digitally compiled and abstracted from
the Geological Map of the USSR,1966,
D. V. Nalivkin, editor
Ministry of Geology of the USSR
Vsesoyuzniy Nauchno-Issledovatel'skiy
Geologicheskiy Institute (VSEGEI).
Sheets 1,2
Scale 1:7,500,000.

The projection and coordinate system for the original map were not given.  It was necessary to georeference the map to real world coordinates.

This was done as follows:

  1. The latitude/longitude grid with cell size 4 * 6 degrees was projected to Equidistant Conic projection and then used to create ARC/INFO point coverage. That point coverage was used to create "to - from" links by ARC/INFO CONTROLPOINTS program.
  2. A gray-scale scanned image of the original paper map was transformed to Equidistant Conic projection by ARC/INFO GRIDWARP program (polynomial of the second order) using the "to - from" links created by CONTROLPOINTS program.
  3. The scanned image from the second step was vectorized by the method of extraction of linear features described by F.Persits, 1997, (USGS open-file report OF-97-713), and then corrected by hands-on digitization.
  4. A series of piecewise " rubbersheet" transformations applied to the final ARC/INFO coverage. The ARC/INFO coverages that were used for transformation were ESRI's ArcWorld 1:3M GIS cartographic layers (RIV3M, CTRY3M).

Petroleum field locations Centerpoints are published here from 1996 data with permission of Petroconsultants International Data Corp.

Geologic province boundaries are those defined by USGS World Energy Project.


II.  REFERENCES TOP of Report

1. Environmental Systems Research Institute, Inc. (ESRI), ArcWorld Digital map, 1:3,000,000.

2. Gabrielyants, G.A.,ed,1990, Map of oil and gas geologic zonation of the USSR (scale 1:2,500,000): All-Russia Research Geological Oil Institute (VNIGRI),Moscow.

3. Gramberg, I.S., and Pogrebitsky, Yu.E.,eds,1984, Geologic framework of the USSR and distribution of useful minerals (Geologicheskoye stroeniye SSSR i zakonomernosti razmeshcheniya poleznykh iskopaemykh), Vol.9, Seas of the Soviet Arctic: St. Petersburg Nedra, 280p.

4. Klett, T.R., Ahlbrandt, T.S., Schmoker, J.W., and Dolton, G.L., 1997, Ranking of the World's oil and gas provinces by known petroleum volumes: U.S. Geological Survey Open File Report 97-463, one CD-ROM.

5. Persits F.M., GRIDVECTOR (version 1): An ARC/INFO AML program to extract linear features from a gray-scale image of a paper geologic map: U.S. Geological Survey Open File Report 97-713.

6. Petroconsultants, 1996, Petroleum exploration and production database: Houston,Texas, Petroconsultants, Inc. [database available from Petroconsultants, Inc., P.O. Box 740619, Houston, Texas 77274-0619].

7. Rozanov,L.N.,ed.,1970, Tectonic map of petroleum provinces of the USSR (scale 1:2,500,000): All-Union Petroleum Research Geological Institute (VNIGRI), St. Petersburg.

8. Spizharsky,T.N.,ed.,1966, Tectonic map of the USSR (scale 1:7,500,000): All-Union Research Geological Institute (VSEGEI), St. Petersburg.


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U.S. Geological Survey Open-File Report 97-470E


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