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The AAPG/Datapages Combined Publications Database

AAPG Bulletin

Abstract


Volume: 38 (1954)

Issue: 1. (January)

First Page: 118

Last Page: 128

Title: South Flat Formation, New Upper Cretaceous Formation of Central Utah

Author(s): Robert E. Hunt (2)

Abstract:

The South Flat formation is a new medical (?) Montanan unit recognized in the Laramide orogenic belt of central Utah. It consists of 2,850 feet of flood plain and piedmont deposits that are exposed in the northern part of the Gunnison Plateau. The new formation is tentatively correlated with the Blackhawk formation in the Wasatch Plateau on the east.

Although the distribution of the South Flat formation appears to be restricted, it is important from a tectonic standpoint. Angular unconformities that separate it from the underlying Indianola group and the overlying Price River formation demonstrate that the early Laramide orogenic movement consisted of two distinct impulses in central Utah.

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