INTERESTING AREAS AND POINTS OF GEOLOGIC INTEREST IN THE GREAT STATE OF ARIZONA
METEOR CRATER
MISCELLANEOUS
This is a
general view of an outcrop exposed along Interstate 40 near the Cholla
Generating Plant. It shows the Triassic Moenkopi Formation which is a
deltaic accumulation of fine grained sands and mud. It was also subject to
desiccation and mudcracks and salt casts are frequently found in the formation.
This outcrop contains layers of nodular gypsum and greenish clay layers.
Close up view of the Gypsum veins and nodules in the Triassic Moenkopi Formation
of northern Arizona.