Gravity survey of Ogden Valley, Weber County, Utah
Ogden Valley is a northwest trending valley within the Wasatch Mountains of north-central Utah. On the basis of geological evidence Ogden Valley is believed to be structurally controlled by normal faults along both the east and west margins. Gravity measurements in the valley definitely indicate a fault with at least 2000 feet of vertical displacement along the west margin of the valley. A fault with at least 1000 feet of vertical displacement is postulated along the east margin of the valley, together with three smaller, buried faults within the valley. The maximum depth of Quaternary alluvium and Tertiary sediments within the valley is about 6000 feet.
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