Provisional geologic map of the Fountain Green North quadrangle, Sanpete and Juab Counties, Utah (M-134)

In stock
1:24,000 Geologic Maps

By: R. L. Banks

The Fountain Green North quadrangle lies in an area of transition between three physiographic provinces in central Utah: the Middle Rocky Mountains, the Basin and Range, and the Colorado Plateau. Strata range from Middle Jurassic to Quaternary in age, though mappable blocks derived from older units occur in landslide masses. The Late Cretaceous Indianola Group dominates the map area. The Jurassic Arapien Shale and Twist Gulch Formation and Early Cretaceous Cedar Mountain Formation are exposed in small areas. The latest Cretaceous or early Tertiary North Horn Formation and Tertiary Flagstaff and Moroni Formations unconformably overlie older strata in the area.

The first substantial geologic work in the area, which was begun in the early 1920s by Spieker and Reeside, resulted in the regional stratigraphic framework. Subsequent work by Spieker and his graduate students resulted in a number of fundamental publications. The prevailing poor outcrop quality and landsliding prevented measurement of stratigraphic sections within the map area. Thicknesses and stratigraphic position of the strata were determined using sections measured in nearby locations by myself and other workers.

Other Information:
Published: 1991
Pages: 21 p.
Plates: 2 pl.
Scale: 1:24,000
Location: Juab County and Sanpete County
Media Type: Paper Map

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