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Abstract:
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The geology data set for this map includes arcs, polygons, and labels that
outline and describe the general geologic age and rock type for South Asia.
The geologic provinces data set includes arcs, polygons, and labels of
geologic and petroleum provinces interpreted and designated by Ben E. Law
and Craig J. Wandrey from a number of literature and map resources to assist
in the assessment of oil and gas resources for the U.S.G.S. World Energy
Project. The oil and gas field centerpoints data set is a point coverage
that marks the approximate centerpoints of oil and gas fields in South
Asia. Political boundaries are provided to show the general location of
country and/or other reference 'political' boundaries.
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Purpose:
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The data provide government, geological community, consultants, and the
general public with the important geological base that is used to define
geologic provinces and oil and gas field assignments for U.S.G.S. Oil and
Gas Assessment of the World.
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Supplemental_Information:
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There are several data sets divided into directories on the CD-ROM: **********************************************************************
1. ARC_COVR directory This directory contains original UNIX ARC/INFO(ver.
7.0.4) coverages in Albers Conic Equal Area projection. This directory
also contains several text files, look-up tables, and ARC Macro-language
command files in ARC/INFO INTERCHANGE format, from which one can produce
a complete Map plot at a scale of 1:5,000,000 for South Asia using the
reg8glg.aml program. 1.1 geo8 - Generalized surficial geology of South
Asia. Item 'GLG' in coverage's feature attribute table. 1.2 provwrld -
Geological province boundaries for the world that outline areas of common
geologic structures or petroleum systems. Items 'CODE' and 'NAME' are included
in the coverage's feature attribute table. Note that this coverage is for
the entire world and that the mapextent clip command was used in the aml
reg8glg.aml to limit the extent of the cover that is displayed. 1.3 fld8
- Oil and Gas Field Centerpoints for South Asia. This point coverage is
a general representation of the number, distribution, and location of oil
and gas fields. This data set is part of a proprietary database. The field
center points are displayed only on the plot. The field data used is available
from Petroconsultants International Data Corporation. This cover can not
be released to the public and is not included. 1.4 pol8 - U.S.G.S. region
boundary between Region 8 (South Asia), Region 2 on the west (Middle East-North
Africa), Region 1 on the northwest (Former Soviet Union), and Region 3
(East Asia). These are four of the eight regional subdivisions in the U.S.G.S.
Oil and Gas assessment of the World. Country boundaries included are provided
for reference only and are used with permission from ESRI. 1.5 polw_rb
- World coverage in Robinson Projection for use with the supplementary
wldmap.aml which draws a reference map in the upper-right corner. 1.6 reg8
- USGS Region 8 boundary coverage in Robinson Proj. for use with the supplementary
wldmap.aml, to display a reference map of Region 8. 1.7 proj.prj - text
file that contains the projection information necessary for the neatline
tics. 1.8 neat.prj - text file that contains the projection information
for the neatline placement. 1.9 mapbar.aml - AML file produced by W.R.
Beeman for the generation of a scalebar at a scale that is specified by
the user, in this case, 1:5,000,000. 1.10 reg8glg.aml - AML file produced
by C.J. Wandrey for the generation of the "Map Showing Geology, Oil and
Gas Fields, and Geologic Provinces of South Asia". 1.11 reg8prov.aml -
AML file produced by C.J. Wandrey for the generation of the reference map
showing geologic province, region, field center points, and political boundaries
for South Asia. 1.12 wldmap.aml - AML file produced by A.S. Karshbaum for
the generation of a reference map of the World with a Region 8 boundary
in red. 1.13 reg8intr.txt - text file that contains the map's introductory
text. 1.14 reg8refs.txt - text file containing a list of selected references
used to produce and verify the map. 1.16 wep.shd - a World Energy Project
shadeset produced by Chris Schenck for shading the geologic polygons. 1.17
fnt034 - a pattern necessary for use with wep.shd shadeset. 1.18 geology.key
- key file for shading, text, and labels for the geology. (IMPORT auto
geology.e00 geology.key) 1.18 provmap.key - key file for shading for other
regions. 1.19 lines.key - key file for all line types. (IMPORT auto lines.e00
lines.key) 1.20 fieldmrk.key - key file for the oil and gas field centerpoints.
(IMPORT auto fieldmrk.e00 fieldmrk.key) 1.21 provline.key - key file used
in reg8prov.aml **********************************************************************
2. EXPORT/UNIX directory Contains datasets in ARC/INFO Export or Ungenerate
formats: 2.1 ARC/INFO Export format data sets correspond with the names
used for the original coverages and legend key Info tables from section
1 and are suffixed with the interchange extension '.e00'. Oil and gas field
centerpoints are not supplied in EXPORT format, nor as a coverage, as these
datapoints are part of a proprietary database. These files are uncompressed
ASCII files, created with the EXPORT NONE option. 2.2 ARC/INFO UNGENERATE
files in ASCII form for two of the major coverages; reg8_glg.gen and wrldprov.gen.
These files contain x,y coordinates for the coverage polygons and have
the '.gen' extension. 2.3 Files with a .csv extension (comma separated
values) contain polygon attribute information. **********************************************************************
3. PLOT directory 3.1 geo8.hp2 - HPGL2 plot file containing the complete
map "Map Showing Geology, Oil and Gas Fields, and Geologic Provinces of
South Asia" and cartographic aesthetics. For use with HP Design Jet with
plotter width no less than 36 inches. 3.2 geo8.eps - Encapsulated Postscript
file containing the same map described above in 3.1. 3.3 geo8.gra - Arc/Info
metaplot file. can be drawn to the display within Arc or plotfiles can
be created. The same map described above in 3.1. 3.4 geo8.ai - Adobe Illustrator
7 file. The same map described above in 3.1. 3.5 prov8.hp2 an - A HPGL2
plot file containing Region 8 provinces, oil and gas field points, international
boundaries, cities and shoreline. Geology of South Asia is NOT included
in this plot file. 3.6 prov8.eps - Encapsulated Postscript file containing
the same map described above in 3.5. 3.7 prov8.gra - Arc/Info metaplot
file. can be drawn to the display within Arc or plotfiles can be created.
The same map described above in 3.5. 3.8 geo8.ai - Adobe Illustrator 7
file. The same map described above in 3.5.
**********************************************************************
4. VIEWS directory This directory contains all the vies, themes, layouts
and projects for use in ARCVIEW (ver. 3.0). 4.1 Two shapefiles are included
that correspond with the two main ARC/INFO coverages: geo8.shp, and provwrld.shp.
Note that provwrld.shp and all other formats of the provwrld cover contain
all of the province boundaries for the world in an Albers Conic Equal Area
Projection. 4.2 Each shapefile is supplemented with a corresponding *.shx
file and *.dbf file for use in ARCVIEW.
**********************************************************************
5. TEXT directory 5.1 .csv files - Comma separated value files. These include
legend files (fieldmark, geology, lines, provmap), polygon attribute files
(geo8, provwrld). 5.2 .dbf files - duplicates of some .csv files in a dbase
format. 5.3 .gen files - Arc generate polygon files (geo8, provwrld). 5.4
.aml files - Arc AML files used for map construction/plotting (mapbar,
reg8glg, reg8pov, wldmap). 5.5 .prj files - Arc Projection parameter files
(neat, proj). 5.6 .txt files - Text block files for map plotting (reg8intr,
reg8refs, reg8glg). 5.7 .shd files - Custom Arcplot shade files (wep).
5.8 .key files - ArcPlot key files for plotting legends (provline).