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The "Li_Triangle_ARG_MRP_NMIC.gdb" geospatial database was developed by the U.S. Geological Survey for use in a geographic information system (GIS) to support mineral resource research and assessment of lithium resources in the Argentina portion of the central South American Lithium Triangle. The Lithium Triangle is host to significant amounts (nearly 60%) of the worlds known (identified) resources of lithium. Over 100 salars and lagunas, ranging in area from a few square kilometers (km2) to approximately 9,000 km2, are found within this region. The Lithium Triangle is approximately 400,000 km2 and encompasses about 150 internal drainage basins in northwestern Argentina, western Bolivia, northern Chile, and southern-most...
View east and upriver toward Unkar Group of rocks, Cardenas Basalt sill (black), Bass Formation (light gray), Hakatai Shale (red), unconformably below overlying Cambrian Tapeats Sandstone, from south side of river mile 134.8.
View north toward basalt dike (photograph EI10) in Hakatai Shale, Unkar Group, on north side of river mile 77.2, at beginning of Hance Rapids. Shinumo Sandstone forms cliff at upper edge of photograph.
Aerial view northwest toward Vesta Temple in foreground and Diana Temple in background, south rim of Grand Canyon, about 3 miles west of river mile 97.0. Pennsylvanian strata below red cliff (bottom of photograph), Permian strata from red Esplanade Sandstone cliff to rim. Hermit Formation (red slope below white cliff), Coconino Sandstone (white cliff), Toroweap Formation (slope, white ledge, slope), and Kaibab Formation (top cliff of Vesta and Diana Temple).
Fold in Tapeats Sandstone on east side of Butte Fault in Carbon Canyon, 1 mile west of river mile 65.0.
Aerial view northwest from over river mile 54.0 toward East Kaibab Monocline (top center of photograph) in Little Nankoweap Canyon.
Aerial view northwest toward Morning Glory breccia pipe in Harrisburg Member (upper slope) and Fossil Mountain Member (lower cliff) of Kaibab Formation, northwest rim of Hellhole Bend, Little Colorado River canyon.
Hundred and Fiftynine Mile Dike at top of Redwall Limestone (person for scale on dike), south of river mile 159.7.
View northeast toward Meriwhitica Springs on travertine flats of Meriwhitica Canyon and east wall of Spencer Canyon in background with unnamed Redwall Limestone buttes.
Aerial view south and downriver from river mile 211.9 toward a Precambrian “island” of schist (photographs WM07, WM08, WM09) during the basal Cambrian sea encroachment, right bank of river mile 212.5.
View north toward Meriwhitica Monocline from trail in Meriwhitica Canyon, about 2 miles southwest of Meriwhitica Springs. Redwall Limestone is large upper gray cliff.
View south and downriver toward Coconino Sandstone (black layer at river level), overlain by cliff of Brady Canyon Member of Toroweap Formation on west side of river mile 4.7.
Aerial view north towards Vulcans Throne volcano in distance on north side of river mile 179.3. View in foreground is north along Toroweap Fault in lower Prospect Canyon at faulted unnamed Pleistocene cinder cone and alluvium on east side of Prospect Canyon. Mount Trumbull (Pliocene basalt) on skyline, left side of photograph.
Photograph showing breccia in breccia pipe in Redwall Limestone, 1 mile southwest of river mile 232.0.
View north from Esplanade Sandstone toward Forster Canyon breccia pipe (white bleached zone in Watahomigi and Manakacha Formations of Supai Group) in west wall of Forster Canyon, a half mile southwest of river mile 123.4.
View east from Bass Trail across river toward Precambrian Wheeler Fold on north side of river mile 108.3. Mesoproterozoic rocks including Cardenas Basalt (black rock, lower right edge of photograph), Bass Formation (white strata, left side of photograph, Wheeler Fold, bottom center, and white ledges, base of upper cliffs), Hakatai Shale (brown cliff and upper gray ledges, upper center of photograph), and Shinumo Sandstone (brown cliff, upper edge of photograph).
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