|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
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This digitally compiled map includes petroleum geology, geologic provinces, and oil and gas fields of South Asia. The map is part of a worldwide series released by the U. S. Geological Survey World Energy Project. 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. South Asia (Region 8) is represented on this CD-ROM (see Reference Map), and includes Afghanistan, Bangladesh, Bhutan, India, Myanmar, Nepal, Pakistan, and Sri Lanka.
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 South Asia were delineated using data from UNESCO geologic maps, and other tectonic and geographic data (see Selected References). Offshore province boundaries were defined by the 2000 meter bathymetric contour from the UNESCO geologic maps (see References). Each province was assigned a unique number; the first digit is the region number. An attempt was made to number the provinces in geographical groups; onshore, offshore, and combined on and offshore. In South Asia, the numbering starts in the west. Oil and gas field data from Petroconsultants International 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 of the geologic provinces and their relative ranking in terms of total known petroleum volume, see Klett and others, 1997.
This map for South Asia was compiled and synthesized primarily from the UNESCO, 1976 and 1990, geologic maps of South and East Asia, 1:10,000,000 and 1:5,000,000 scales respectively. Specific details of the data sources are given in the metadata file on this CD-ROM. Geologic units were combined to simplify the map and to maintain consistency with other maps of the series. Precambrian rocks are undivided. Paleozoic, Mesozoic, and Cenozoic rocks have been combined in many cases (see Explanation). 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 and ArcPlot softwares. Political boundaries and cartographic representations on this map were taken, with permission, from ESRI's ArcWorld 1:3 million digital coverage, have no political significance, and are displayed as general reference only.
Abu, M., Bakr, M. S., and Jackson, Roy O., 1964, Rawalpindi, Geological map of Pakistan: Geological Survey of Pakistan, scale: 1:2,000,000.
Alam, M., Khurshid, Hasan, A.K.M., Shahidul, Khan, Mujibur Rahman, and Whitney, John W., 1990, Geological map of Bangladesh: Geological Survey of Bangladesh, scale: 1:1,000,000.
Bender, F., 1981, Geology of Burma: Technische Fachhochschule Berlin, scale: 1:2,000,000.
*Choubert, G. and Faure-Muret, A., 1976, Geological World Atlas, UNESCO, sheet ll, scale: 1:10,000,000.
Dasgupta, A. K., Ghose, A., and Chakraborty, K. K., 1993, Geological map of India: Hyderabad, Geological Survey of India, scale: 1:5,000,000.
Earth Sciences Research Division, 1977, Geological map of The Socialist Republic of the Union of Burma: Earth Sciences Research Division, Socialist Republic of the Union of Burma scale: 1:1,000,000.
Environmental Systems Research Institute Inc., 1992, ArcWorld 1:3M Environmental Systems Research Institute, Inc. (ESRI), Digital database, available from ESRI, Redlands, CA, scale: 1:3,000,000.
*JEBCO Seismic Ltd., compilers, 1984, Geological world atlas U.S.S.R. and surrounding areas: extract from the Geological World Atlas, sheets 10 through 13, Commission for the Geological Map of the World/UNESCO, scale: 1:10,000,000.
*Ghose, A., Chatterjee, D., and Bannerjee, J., 1990, Geological map of South and East Asia: Commission for Geological Map of the World, Subcommission for South and East Asia, UNESCO, scale: 1,5,000,000.
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.
Petroconsultants International Data Corporation, 1988, World Sedimentary Basins: Petroconsultants International Data Corporation, Geneva, Switzerland, scale: 1:23,000,000.
Petroconsultants International Data Corporation, 1996, Petroconsultants Worldwide Oil and Gas Field database 1996: Petroconsultants International Data Corporation, Geneva, Switzerland.
Wirtz, D., Muhlfeld, R., Weippert, D., and Wittekindt, H., compilers, 1964, Geological map of Afghanistan Central and Southern Part: Hanover, Geological Survey of the Federal Republic of Germany, and Afghanistan Geological and Mineral Survey (Kabul), scale: 1:1,000,000.
Wittekindt, H., and Weippert, D., Compilers, 1973, Geological map of Central and Southern Afghanistan: Hanover, Geological Survey of the Federal Republic of Germany, scale: 1:500,000.
* Used with the permission of UNESCO
U. S. Geological Survey Open-File Report 97-470C