Products available for download:
Data
Disclaimer:
It is
fully the user’s responsibility to validate the accuracy and suitability of
these data for a given application. The University of Nevada Reno, UCCSN, Great
Basin Center for Geothermal Energy, Arthur Brant Laboratory for Exploration
Geophysics, U. S. Department of Energy and other participating agencies, and
their researchers and employees provide no warranty of any kind that the
provided data and documentation products are free from error or complete.
If you know what you are looking for you
can go directly to the FTP site below
Link to Data Documentation and
Product Description page
Links to
Other directly compatible GIS data
sources.
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Figure 6. Color Shaded
Isostatic Residual Gravity Anomaly
Reduced at 2.67 g/cc density. Data area is 1160 km by
1200 km.
Data Source: New compilation with gridded 1000 m grid cells.
Full resolution image (300 m pixels)
Lambert projection:
Tif image file (~
50 MB)
(right click and save target as)
GB_GRV_ISO_RES_Lambert.tif
World registration
tifw file
(right
click and save target as)
GB_GRV_ISO_RES_Lambert.tifw
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Figure 7. Color Isostatic Residual Gravity Anomaly upward
continued 10 km viewed on shaded topography. Data area is 1160 km by
1200 km.
Data Source: New compilation gridded with 1000 m grid cells.
isostatic residual gravity smoothed by upward
continuation 10 km.
Full resolution image (300 m pixels)
Lambert projection:
Tif image file (~
50 MB)
(right click and save target as)
GB_GRV_ISO_RES_upc10km_DEM_SR_LAM.tif
World registration
tifw file
(right
click and save target as)
GB_GRV_ISO_RES_upc10km_DEM_SR_LAM.tifw
Same as above with King USA faults
Tif image file (~
50 MB)
World registration
tifw file |
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Figure 8. Color Shaded Complete Bouguer Gravity Anomaly
Reduced at 2.67 g/cc density. Data area is 1160 km by
1200 km.
Data Source: New compilation with gridded 1000 m grid cells.
Full resolution image (300 m pixels)
Lambert projection:
Tif image file (~
50 MB)
(right click and save target as)
GB_GRV_CBA267_LAM_1km.tif
World registration
tifw file
(right
click and save target as)
GB_GRV_CBA267_LAM_1km.tifw
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Figure 9. Color Shaded Free Air Gravity Anomaly.
Data area is 1160 km by 1200 km.
Data Source: New compilation gridded with 1000 m grid cells.
Full resolution image (300 m pixels)
Lambert projection:
Tif image file (~
50 MB)
(right click and save target as)
GB_GRV_FreeAir_LAM_1km.tif
World registration
tifw file
(right
click and save target as)
GB_GRV_FreeAir_LAM_1km.tifw
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Figure 1. Digital Elevation Model color-shaded relief image
showing Great Basin outline and county boundaries. Data area is 1160 km by
1200 km.
Data Source: GTOPO30 prepared at 600 m grid cell
size.
Full resolution image (300 m pixels)
Lambert projection:
Tif image file (~ 48 MB)
(right click and save
target as)
GB_GTOPO30_Lambert.tif
World registration
tifw file
(right
click and save target as)
GB_GTOPO30_Lambert.tifw
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Figure 2. Shallow crustal residual gravity
anomaly color-shaded-relief.
Data Source: New compilation with 1000 m grid cells.
Residual produced by removing 20 km upward
continuation of isostatic residual anomaly from isostatic
residual anomaly.
Full resolution image (300 m pixels)
Lambert projection:
Tif
image file (~ 48 MB)
(right click and save target as)
GB_GRV_ISO_RES_upc20km_rersid_Lambert.tif
World registration tifw file (right
click and save target as)
GB_GRV_ISO_RES_upc20km_rersid_Lambert.tifw
Grid and contour files are also available.
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Figure 3. Sample detail of Residual gravity 1
milligal contours on 90m-resolution color shaded-relief DEM map area is 25
km by 25 km.
Line graphics:
Gravity station locations and shallow crustal residual gravity contours (1
mgal interval) suitable for plotting on 1:250,000 scale maps.
Lambert projection:
Contour ArcView Shape
file group(~ 37
MB) zipped
(right click and save
target as)
GB_GRV_Residual_1mgal_contours_ln_shp.zip
Station points ArcView Shape file
group (~ 11 MB) zipped
(right click and save
target as)
GB_grv_stns_pt_shp.zip
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Figure 4. Shallow crustal residual gravity
anomaly – grid displayed here as B&W intensity image.
Data Source: New compilation with 1000 m grid cells.
Residual produced by removing 20 km upward
continuation of isostatic residual anomaly from isostatic
residual anomaly.
Full resolution grid (1000 meter cells)
Lambert projection:
ArcView flt binary grid file (~ 5.3 MB)
(right click and
save target as)
GB_grv_shallow_crust_resdual_Lambert.flt
Associated hdr file (1 KB)
(right
click and save target as)
GB_grv_shallow_crust_resdual_Lambert.hdr
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Figure 5. Magnetic total field intensity anomaly (IGRF
corrected) reduced to 305 meters above ground.
Data source: USGS compiled aeromagnetic grid (1km
cells) USGS, Kucks 2001.
Full resolution image (300 m pixels)
Lambert projection:
Tif image file (~ 48 MB)
(right click and save
target as)
GB_AMAG_USGS_1km_Lambert.tif
World registration
tifw file
(right click and save
target as)
GB_AMAG_USGS_1km_Lambert.tifw
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Below are a few other
sources of
geoscience layers that can be combined
and viewed in ArcView-type programs without format conversions or
re-projections.
The UNR Keck Earth Science data site offers projection and
format compatible:
DDS-41 Great Basin Geoscience
Database - shape files from the.
http://keck.library.unr.edu/data/gbgeosci/gbgdb.htm
.
Topographic base maps (DRGs)
1:250,000 and 1:100,000 scales - ArcView compatible Tiff format
http://keck.library.unr.edu/data/drg/drgs.html .
The UNR Arthur Brant Laboratory is developing an integrated
map server to deliver these data sets.
http://able1.mines.unr.edu .
Great Basin Center for Geothermal – Data Resources
http://www.unr.edu/geothermal/evaluatingresources/dataresources.html