Unconformity showing Pre-Cambrian granite and pegmatite dikes cut by basal Cambrian conglomerate, Sierra Madre district. Weber County, Utah. 1912.
Dates
Date Taken
1912
Summary
Unconformity showing Pre-Cambrian granite and pegmatite dikes cut by basal Cambrian conglomerate, Sierra Madre district: head of north fork of Eldorado Canyon, on north slope of small branch ravine, 12 miles north-northeast of Ogden. Weber County, Utah. 1912. Portion is plate 25-B in U.S. Geological Survey. Professional paper 111. 1920.
Summary
Unconformity showing Pre-Cambrian granite and pegmatite dikes cut by basal Cambrian conglomerate, Sierra Madre district: head of north fork of Eldorado Canyon, on north slope of small branch ravine, 12 miles north-northeast of Ogden. Weber County, Utah. 1912. Portion is plate 25-B in U.S. Geological Survey. Professional paper 111. 1920.
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