Physical Sciences and Mathematics Commons^™

Structural Geology Of The Southern Part Of Elkhorn Mountain, Bannock Range, Idaho, George A. De Vries

All Graduate Theses and Dissertations, Spring 1920 to Summer 2023

The area of southern Elkhorn Mountain, a previously unmapped area, is located north of Malad City, Idaho, in the Bannock Range. The mapped area is within the Basin and Range province. The mapped area measures 5.9 miles in the north-south direction and approximately 8.8 miles in the east-west direction.

The oldest stratigraphic unit, in the mapped area, is the Ute Formation of Middle Cambrian age. Other units of Cambrian age, in ascending order, are: Blacksmith Formation, Bloomington Formation, Nounan Formation, and St. Charles Formation. The units of Ordovician age are the Garden City and the Swan Peak Formations. The youngest …

Growth-Form-Analysis And Paleoecology Of The Corals Of The Lower Mississippian Lodgepole Formation, Bear River Range, North-Central Utah, Judith M. Miller

All Graduate Theses and Dissertations, Spring 1920 to Summer 2023

The Mississippian (Kinderhookian-Osagean) Lodgepole Formation contains a diverse fossil assemblage. Taxa present include brachiopods, crinoids, gastropods, cephalopods, trilobites and corals. Corals and associated fauna were collected from four localities within the Bear River Range. These are, from north to south, Beirdneau Hollow, Spring Hollow, Leatham Hollow and Porcupine Dam. The well-preserved tabulate and rugose (compound and solitary) corals exhibit a high degree of morphologic variability. The colonial corals of the Lodgepole Formation (particularly Lithostrotionella, Syringopora) exhibit a morphologic gradient from platy to hemispherical forms. The six morphologic categories of colonial corals discussed in this study are identified by mean …

Synecology And Faunal Succession Of The Upper Mississippian Great Blue Limestone, Bear River Range And Wellsville Mountain, North-Central Utah, Alan P. Sweide

All Graduate Theses and Dissertations, Spring 1920 to Summer 2023

The late Mississippian Great Blue Limestone was studied at four locations around Cache Valley, Utah. One location was at Dry Lake in the Pisgah Hills to the west of Cache Valley. Three locations were in the Bear River Range to the east of Cache Valley. From north to south the locations are: 1) Beirdneau Peak, 2) Logan Peak, and 3) the ridge to the north of East Fork Canyon. The Dry Lake location represents the upper, middle, and some of the lower part of the section. The base of the section is covered. Locations in the Bear River Range represent …