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Earth Sciences

Theses/Dissertations

1977

Idaho

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Structural Geology Of The Southern Part Of Elkhorn Mountain, Bannock Range, Idaho, George A. De Vries May 1977

Structural Geology Of The Southern Part Of Elkhorn Mountain, Bannock Range, Idaho, George A. De Vries

All Graduate Theses and Dissertations, Spring 1920 to Summer 2023

The area of southern Elkhorn Mountain, a previously unmapped area, is located north of Malad City, Idaho, in the Bannock Range. The mapped area is within the Basin and Range province. The mapped area measures 5.9 miles in the north-south direction and approximately 8.8 miles in the east-west direction.

The oldest stratigraphic unit, in the mapped area, is the Ute Formation of Middle Cambrian age. Other units of Cambrian age, in ascending order, are: Blacksmith Formation, Bloomington Formation, Nounan Formation, and St. Charles Formation. The units of Ordovician age are the Garden City and the Swan Peak Formations. The youngest …