Category:Grand Canyon Supergroup

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English: The Grand Canyon Supergroup. (see en:Great Unconformity)

Members:

Sixtymile Formation
Chuar Group
Nankoweap Formation
Unkar Group
The Great Unconformity, and the Tapeats Sandstone (lowest of Tonto Group) are above the Supergroup. The Vishnu Group lies below. The Supergroup & the Vishnu Group are in an angular unconformity, at about 45 degrees from horizontal.

Subcategories

This category has the following 5 subcategories, out of 5 total.

C

L

N

T

U