Viewing the north canyon wall from an eye altitude of about 2 km, locate the thin, white rock layer below the rim of the canyon and the thicker, tan rock layer just above the lowest exposures of red rock visible in the canyon. These formations are the Permian-aged Coconino Sandstone and the Cambrian-aged Tapeats Sandstone, respectively. Measure the vertical distance between these two formations and refer to Earth
Viewing the north canyon wall from an eye altitude of about 2 km, locate the thin, white rock…
Viewing the north canyon wall from an eye altitude of about 2 km, locate the thin, white rock layer below the rim of the canyon and the thicker, tan rock layer just above the...
