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Geology Of The West-Central Part Of The Malad Range, Idaho, Phillip H. Wach
Geology Of The West-Central Part Of The Malad Range, Idaho, Phillip H. Wach
All Graduate Theses and Dissertations, Spring 1920 to Summer 2023
The west-central part of the Malad Range is located in south-eastern Idaho. This area was the site of thick marine deposition in the early Paleozoic period. In the Tertiary and Quaternary periods continental deposition occurred, covering the Paleozoic rocks. Quartzite and shale units of the Brigham Quartzite are found near the base of the Cambrian section. Carbonate with shale interbeds is found in the middle and late Cambrian units. Limestone and silty limestone are found in the early and middle Ordovician time overlain by the middle Ordovician Swan Peak Quartzite. The Laketown Dolomite includes units of late Ordovician and Silurian …