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SOME POINTERS:
Photos typically include their locations, so you can use locations as keywords too. You get more hits with shorter words, and fewer hits as you become increasingly specific with increasing numbers of keywords. It’s best to use singular rather than plural (eg “volcano” instead of “volcanoes”).
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Basalt flow, Grand Canyon, AZ
Quaternary basalt flow of the Uinkaret Volcanic field stranded above the Colorado River, Grand Canyon National Park, Arizona. (260522-101)
Download ImageVolcanic Neck, “Vulcan’s Forge”: Grand Cyn, AZ
Vulcan’s Forge, an eroded Pleistocene volcanic neck in the Colorado River in Grand Canyon National Park (260522-67)
Download ImageVolcanic neck, Grand Canyon, AZ (vertical)
Vulcan’s Forge, an eroded Pleistocene volcanic neck in the Colorado River in Grand Canyon National Park. Cliffs in the background consist of Cambrian Muav Limestone, Mississippian Redwall Limestone, and Pennsylvanian-Permian Supai Group (260622-64)
Download ImageVolcanic Neck, “Vulcan’s Forge”: Grand Cyn, AZ
Vulcan’s Forge, an eroded Pleistocene volcanic neck in the Colorado River in Grand Canyon National Park. Cliffs in the background consist of Cambrian Muav Limestone, Mississippian Redwall Limestone, and Pennsylvanian-Permian Supai Group (260622-63)
Download ImageHavasu Creek, Grand Cyn, AZ (vertical)
Havasu Creek in slot canyon, Grand Canyon National Park, Arizona (260522-44)
Download ImageConcentric travertine deposits, AZ
Rounded amygdules of travertine, Grand Canyon National Park, Arizona (260522-34)
Download ImageTravertine, Arizona
Travertine deposit, Grand Canyon National Park, Arizona (260522-25)
Download ImageStars and Grand Canyon, AZ
Stars and the Colorado River in Grand Canyon National Park, Arizona
Download ImageCambrian Trace Fossils, Grand Cyn, AZ
Trace fossils on underside of bedding plane, Cambrian Tapeats Sandstone, Grand Canyon National Park, Arizona (260521-117)
Download ImageWaterfall and Great Unconformity, G Cyn, AZ
Deer Creek Falls and the Great Unconformity with Tapeats Sandstone over Proterozoic basement rock, Grand Canyon National Park, Arizona (260521-85)
Download ImageCruziana trace fossils, Cambrian
Cruziana trilobite feeding tracks, about 1.5 m long. Cambrian Tapeats Sandstone, Grand Canyon National Park, Arizona (260521-77)
Download ImageColorado River and Grand Canyon, AZ
View down the Colorado River in Grand Canyon National Park, Arizona
Download ImageGreat Unconformity, Grand Canyon, AZ
Great unconformity. Nonconformity between Cambrian Tapeats Sandstone overlying steeply foliated amphibolite of the Proterozoic Brahma Schist. Note the high water mark. Grand Canyon National Park, Arizona (260521-29)
Download ImageGreat Unconformity, Grand Canyon, AZ
Great unconformity. Nonconformity between Cambrian Tapeats Sandstone overlying steeply foliated amphibolite of the Proterozoic Brahma Schist. Note the high water mark. (260521-27)
Download ImagePaleozoic rock, Grand Canyon, Arizona
Paleozoic rock along the Colorado River in Grand Canyon National Park, Arizona. Tapeats Sandstone in the foreground up to Redwall Limestone in the bkg. (260521-26)
Download ImageChannel: Great Unconformity, Grand Cyn
Channel deposit cut into the underlying basement rock at the Great Unconformity, Grand Canyon National Park, Arizona (260520-109)
Download Image260520-101
Basal conglomerate at the Great Unconformity, Grand Canyon National Park, Arizona (260520-101)
Download ImageElves Chasm, Grand Canyon National Park, Arizona
Elves Chasm, Grand Canyon National Park, Arizona
Download ImageMilky Way Galaxy, Grand Canyon, AZ
Milky Way and cliffs of the Grand Canyon National Park, Arizona (260520-84)
Download ImageGreat Unconformity, Grand Canyon, AZ
Great unconformity. Nonconformity between Cambrian Tapeats Sandstone overlying steeply foliated amphibolite of the Proterozoic Brahma Schist. Grand Canyon National Park, Arizona (260520-64)
Download ImageFaulted monocline, Grand Canyon, AZ
Faulted monocline, Grand Canyon National Park, Arizona (260520-63)
Download Image
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