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Black river-polished amphibolitic schist, west (left) bank of river mile 127.5.
Aerial view northwest toward Horn Creek Rapids, river mile 90.9, showing numerous pegmatite and granite dikes in black Vishnu Schist. Inner canyon is 1,300 feet deep here.
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 west toward granite rocks (photograph WM01) on west side of river mile 190.1 from Hundred and Ninety Mile canyon.
View southwest and downriver toward Vishnu Schist below Tapeats Sandstone, river mile 112.6.
River-polished Vishnu Schist, north bank of Crystal Rapids, river mile 98.7.
View northwest toward southeast side of Precambrian Zoroaster Granite “island” of Cambrian seaway, onlapped by Cambrian Tapeats Sandstone, from Tonto Trail, south of river mile 85.1.
View southeast and downriver toward metamorphic rocks with granitic dikes, north of Granite Park, river mile 208.2.
Pegmatite dikes in schist, south bank of river mile 80.5.
Aerial view north into Clear Creek canyon, about 1 mile north of river mile 84.7. View of vertical beds of Paleoproterozoic Vishnu Schist overlain by horizontal Cambrian Tapeats Sandstone (brown cliff) in foreground, and tilted Mesoproterozoic Bass Formation in distance, that marks the Great Unconformity.
View west and downriver toward lower part of Paleoproterozoic Zoroaster Granite “island” with pegmatite and granite intrusions into black Vishnu Schist on south side of river mile 85.7. Tapeats Sandstone at skyline.
Aerial view west toward Bright Angel Creek delta (lower right center of photograph) and two Colorado River foot bridges to Phantom Ranch in Bright Angel Creek from over river mile 88.0. Upper black Kaibab Suspension Bridge is for mules and people crossing, lower gray Silver Bridge is for people and water pipeline crossing. Bass Formation (cliffs) and overlying red slope of Hakatai Shale (photograph EM17) at left overlies Precambrian metamorphic rocks.
View south and downriver toward Diamond Peak (Redwall Limestone peak); schist and granite below Tapeats Sandstone cliff and Bright Angel Shale slope on west side of river mile 221.6.
View west and downriver toward granite and gneiss in Lower Granite Gorge near Two Hundred and Thirtyfour Mile canyon, river mile 233.5.
View downriver and northwest toward beginning of Granite Narrows, with metamorphic rocks and granitic intrusions, lower left of photograph (photograph CM10). River mile 135.5.
View west and downriver toward Paleoproterozoic Vishnu Schist metamorphic complex from river mile 78.4. Greatest Angular Unconformity is between schist and overlying east-dipping strata of Mesoproterozoic Bass Formation. White talus of Hance asbestos mine at Cardenas Basalt sill within Bass Formation, upper right of photograph.
View west and downriver toward Paleoproterozoic schist and granite near Vishnu Creek, from river mile 81.8.
View downriver from Crystal Creek delta toward pegmatite dikes in Vishnu Schist on north side of river below Crystal Rapids, from river mile 98.7.
View south and downriver toward Diamond Peak (Redwall Limestone peak) and gneiss and granite on west side of river mile 222.4.
View southeast toward Serpentine Rapids from Tonto Trail, northwest of Serpentine Canyon delta, a quarter mile above river mile 106.7. Vishnu Schist with a few white pegmatite intrusions.
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