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Open-File Report 97-470G, ver.1.0This report is preliminary and has not been reviewed for conformity with U. S. Geological Surveyeditorial standards and stratigraphic nomenclature. Any use of trade names is for descriptivepurposes only and does not imply endorsement by the U. S. government.
U.S. Department of the Interior U.S. Geological Survey
by R. M. Pollastro1, F. M. Persits2, and D. W. Steinshouer2
1 U.S. Geological Survey, Denver, CO2 Contractor to the U.S. Geological Survey, Denver, CO
MAP SHOWING GEOLOGY, OIL AND GAS FIELDS, AND GEOLOGIC PROVINCES OF IRAN
U.S. Geological Survey Open File Report 97-470G, ver.1.0
MAP SHOWING GEOLOGY, OIL AND GAS FIELDS, AND GEOLOGIC PROVINCES OF IRAN
Table of Contents
Introduction
Geologic provinces in Iran, sorted by province name
Geologic provinces in Iran, sorted by province code
Map showing faults, oil and gas fields, and geologic provinces of Iran
Map showing geology, oil and gas fields and geologic provinces of Iran
Data processing steps
References
INTRODUCTION
This digitally compiled map includes geology, oil and gas field centerpoints, geologic provinces,and major faults of Iran with some of these components extended into geographically adjacentareas. This digital compilation is an interim product of the U.S. Geological Survey's WorldEnergy Project (WEP) and part of a series on CD-ROM. The goal of the WEP is to assess theundiscovered, technically recoverable oil and gas resources of the world and report the result ofthis assessment in the year 2000. For data management purposes, the world was divided into eightenergy regions corresponding approximately to the economic regions of the world asdefined by the U.S. Department of State.
Each world energy region was then further divided into geologic provinces on the basis of naturalgeologic entities and may include a dominant geologic structural element or a number ofcontiguous elements. Some provinces contain multiple, genetically-related basins. Geologicprovince boundaries for Iran were delineated using data from different geologic maps,publications, and other tectonic and geographic data. Each province was assigned a unique number;the first digit is the region number. An attempt was made to number the provinces in geographicalorder or groups with numbering starting at the Arabian Shield (see Pollastro and others, 1998).The list of provinces sorted by number is shown to the right of the map.
Centerpoints of oil and gas fields are shown and were plotted with permission fromPetroconsultants International Data Corporation, 1996 worldwide oil and gas field database.Allocation of field data to geologic provinces provided a ranking of the provinces by total knownpetroleum volume (see Klett and others, 1997). The WEP further characterizes the geologicprovinces by petroleum system and assessment units in order to assess the undiscovered petroleumvolume.
Specific details of map and data sources, and the procedure used in the compilation of thisgeologic map of Iran are given in the metadata file and described briefly in the text below.Stratigraphic subdivisions of Phanerozoic rocks were combined to simplify the geology andmaintain consistency with other maps in this series. Precambrian rocks are undivided.This map was compiled using Environmental Systems Research Institute, Inc.(ESRI) ARC/INFOsoftware. Political boundaries and cartographic representations are used, with permission,from ESRI's ArcWorld 1:3M digital coverages, have no political significance, and are displayedfor general reference only.
REFERENCES
Alsharhan,A.S., and Nairn, A.E.M., 1997, Sedimentary Basins and Petroleum Geology of the Middle East, Elseveir, Amsterdam, 942 p.Beydoun,Z.R., 1991, Arabian plate hydrocarbon geology and potential -- A plate tectonic approach: Amer. Assoc. Petrol. Geologists, Studies in Geology 33, 77 p.Environmental Systems Research Institute,Inc.,1992, ArcWorld 1:3M, Environmental System Research Institute (ESRI). Digital database available from ESRI, 380 New York Street, Redlands, CA 92373-8100.Haghipour,A., and Aghanabati,A (compilers),1985, Geologic Map of Iran: Ministry of Mines and Metals, Geological Survey of Iran, one plate.International Geologic Map of Africa, 1959, Plate 3, 1:5,000,000, International Geologic Congress, Association of Geologic Services of Africa, Paris, France.Klett, T.R., Ahlbrandt T.S., Schmoker, J.W., and Dolton, G.L., 1997, Ranking of World's oil and gas provinces by known petroleum volume: U.S. Geological Survey Open File Report 97-463, one CD-ROM.Petroconsultants, 1996, Petroleum exploration and production database: Petroconsultants, Inc., Houston, Texas (database available from Petroconsultants, Inc., P.O. Box 740619, Houston, Texas 77274-0619).Pollastro R.M., Karshbaum A.S, and Viger R.J. , 1998, Map showing geology, oil and gas fields, and geologic provinces of the Arabian peninsula: U.S. Geological Survey Open File Report 97-470B, one CD-ROM.Persits F.M., Ulmishek G.F., and D.W. Steinshouer., 1997, Map showing geology, oil and gas fields, and geologic provinces of the Former Soviet Union: U.S. Geological Survey Open File Report 97-470E, one CD-ROM.
DATA PROCESSING STEPS
This map has been digitally compiled and abstracted from The Geological Map of Iran, (1985)Compiled by A. Haghipour and A. Aghanabati, Ministry of Mines and Metals, Geological Surveyof Iran, Scale 1:2,500,000.
The projection information written on the original map is ".. adjusted from PolyconicProjection of International 1:1000000 Map of the Earth". Because such projection is notdirectly supported by ESRI's ARC/INFO software, it was necessary to georeference the mapto the one of known projections. This was done as follows:
1. The latitude/longitude grid with cell size 2 * 2 degrees was projected to LambertConformal Conic projection and then used to create ARC/INFO point coverage. That pointcoverage 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 Lambert ConformalConic projection by ARC/INFO GRIDWARP program (polynomial of the second order) using the"to - from" links created by CONTROLPOINTS program. 3. Geologic polygon boundaries from the source map were initially transfered to mylar and thenscanned to produce a binary image. 4. The binary image from step 3 with geologic boundaries was vectorized by ARC/INFO GRIDLINEutility and then supplemented by hands-on digitization. 5. Polygon boundaries and geologic attributing of the ARC/INFO coverage from step 4were verified and corrected by using gray-scale image from step 2 as a background guide. 6. A series of piecewise "rubbersheet" transformations was applied to the final ARC/INFOcoverage. The ARC/INFO coverages that were used for transformation were ESRI's ArcWorld1:3M GIS cartographic layers (RIV3M, CTRY3M). Overall RMS error of that transformation isequal to 1,500 meters (0.6 mm on original paper map).
LIST OF GEOLOGIC PROVINCE CODES AND NAMES (SORTED BY CODE)
1109---Middle Caspian Basin1112---South Caspian Basin1113---Kura Basin1153---Karabogaz-Karakum High
1154---Amu-Darya Basin1155---Kopet-Dag Foldbelt2017---Oman Mountains2018---Gulf of Oman Basin2019---Rub Al Khali Basin2020---Int. Homocline-Central Arch2021---Greater Ghawar Uplift2022---Qatar Arch2023---Widyan Basin-Int. Platform2024---Mesopotamian Foredeep Basin2030---Zagros Fold Belt2031---Zagros Thrust Zone2080---Araks2081---Lesser Caucasus2091---Central Iranian Basins2092---Cen. Iranian Microcontinents2093---Lut Block and Depression2094---Alborz Fold Belt8001---Southeast Afghanistan8021---Makran8022---Baluchistan8023---Central Afghanistan
LIST OF GEOLOGIC PROVINCE CODES AND NAMES (SORTED BY NAME)
2094---Alborz Fold Belt1154---Amu-Darya Basin2080---Araks8022---Baluchistan8023---Central Afghanistan2091---Central Iranian Basins2092---Cen. Iranian Microcontinents2021---Greater Ghawar Uplift2018---Gulf of Oman Basin2020---Int. Homocline-Central Arch1153---Karabogaz-Karakum High1155---Kopet-Dag Foldbelt1113---Kura Basin2081---Lesser Caucasus2093---Lut Block and Depression8021---Makran2024---Mesopotamian Foredeep Basin1109---Middle Caspian Basin2017---Oman Mountains2022---Qatar Arch2019---Rub Al Khali Basin1112---South Caspian Basin8001---Southeast Afghanistan2023---Widyan Basin-Int. Platform2030---Zagros Fold Belt2031---Zagros Thrust Zone
Geologic province outline
Geologic contact
Thrust/Reverse fault
Thrust/Reverse fault (inferred)
Other faults (undifferentiated)
Other faults inferred (undifferentiated)
International boundary
Center of oil field
Center of gas field
Major cities
Geologic province code
QQuaternary
QeQuaternary eolian
QskQuaternary sabkha/marsh
QNQuaternary-Neogene
NNeogene
PgPaleogene
TTertiary
TKTertiary-Cretaceous
KCretaceous
KJCretaceous-Jurassic
JJurassic
JTrJurassic-Triassic
TrTriassic
MzMesozoic
TrPTriassic-Permian
MzPzMesozoic-Paleozoic
PPermian
PCPermian-Carboniferous
CCarboniferous
CDCarboniferous-Devonian
DDevonian
SSilurian
SOSilurian-Ordovician
OOrdovician
CmCambrian
PzPaleozoic
CmpCmCambrian-Precambrian
PzpCmPrecambrian-Paleozoic
pCmPrecambrian
SaltSalt Undifferentiated
QiQuaternary Intrusives
QvQuaternary Volcanics
TiTertiary Intrusives
TvTertiary Volcanics
ToTertiary Ophiolites
CziCenozoic Intrusives
CzvCenozoic Volcanics
CzMziCenozoic-Mesozoic Intrusives
CzMzvMesozoic-Cenozoic Volcanics
MziMesozoic Intrusives
MzvMesozoic Volcanics
MzoMesozoic Ophiolites
MzPziMesozoic-Paleozoic Intrusives
MzPzvMesozoic-Paleozoic Volcanics
PzvPaleozoic Volcanics
pCmiPrecambrian Intrusives
pCmvPrecambrian Volcanics
aeAcid Extrusives unknown age
aiAcid Intrusives unknown age
acidAcid igneous unknown age and type
beBasic Extrusives unknown age
biBasic Intrusives unknown age
basicBasic igneous unknown age and type
ieIntermediate Extrusives unknown age
iiIntermediate Intrusives unknown age
interIntermediate igneous unknown age and type
IoOphiolites (undifferentiated)
vsVolcanics and Sedimentary deposites undiferentiated
Areas outside of Iran
Sea
Lakes and wide rivers
Geologic province outline
Geologic contact
Thrust/Reverse fault
Thrust/Reverse fault (inferred)
Other faults (undifferentiated)
Other faults inferred (undifferentiated)
International boundary
Center of oil field
Center of gas field
Major cities
Geologic province code
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QQuaternary
QeQuaternary eolian
QskQuaternary sabkha/marsh
QNQuaternary-Neogene
NNeogene
PgPaleogene
TTertiary
TKTertiary-Cretaceous
KCretaceous
KJCretaceous-Jurassic
JJurassic
JTrJurassic-Triassic
TrTriassic
MzMesozoic
TrPTriassic-Permian
MzPzMesozoic-Paleozoic
PPermian
PCPermian-Carboniferous
CCarboniferous
CDCarboniferous-Devonian
DDevonian
SSilurian
SOSilurian-Ordovician
OOrdovician
CmCambrian
PzPaleozoic
CmpCmCambrian-Precambrian
PzpCmPrecambrian-Paleozoic
pCmPrecambrian
SaltSalt Undifferentiated
QiQuaternary Intrusives
QvQuaternary Volcanics
TiTertiary Intrusives
TvTertiary Volcanics
ToTertiary Ophiolites
CziCenozoic Intrusives
CzvCenozoic Volcanics
CzMziCenozoic-Mesozoic Intrusives
CzMzvMesozoic-Cenozoic Volcanics
MziMesozoic Intrusives
MzvMesozoic Volcanics
MzoMesozoic Ophiolites
MzPziMesozoic-Paleozoic Intrusives
MzPzvMesozoic-Paleozoic Volcanics
PzvPaleozoic Volcanics
pCmiPrecambrian Intrusives
pCmvPrecambrian Volcanics
aeAcid Extrusives unknown age
aiAcid Intrusives unknown age
acidAcid igneous unknown age and type
beBasic Extrusives unknown age
biBasic Intrusives unknown age
basicBasic igneous unknown age and type
ieIntermediate Extrusives unknown age
iiIntermediate Intrusives unknown age
interIntermediate igneous unknown age and type
IoOphiolites (undifferentiated)
vsVolcanics and Sedimentary deposites undiferentiated
Areas outside of Iran
Sea
Lakes and wide rivers
Geologic province outline
Geologic contact
Thrust/Reverse fault
Thrust/Reverse fault (inferred)
Other faults (undifferentiated)
Other faults inferred (undifferentiated)
International boundary
Center of oil field
Center of gas field
Major cities
Geologic province code