A Geoscience Digital Image Library

TitleTonto Platform, Grand Canyon National Park, Arizona
DescriptionView of Tonto Platform from Kaibab Trail, Grand Canyon National Park. Platform formed in soft shales of Bright Angel on resistant strata of the Tapeats Sandstone. Cliff-forming Tapeats seen across Colorado River, with Grand Canyon Supergroup exposed below cliff and remainder of Paleozoic section seen in background.
ChronostratigraphyLower and Middle Cambrian
LithostratigraphyTapeats Sandstone (Tonto Group), Bright Angel Shale (Tonto Group)
Geologic provinceColorado Plateau
LocationUSA ▹ Arizona ▹ Coconino. Near Grand Canyon. Grand Canyon National Park.
PhotographerJoseph Hartman. 1979.
CollectionJoseph Hartman P02471.
Key wordsGrand Canyon National Park, Tonto Platform
Tech details840 KB. Outcrop. Kodachrome, TIFF format.
GeoDIL number1342