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The Middle Proterozoic Jacobsville Sandstone, located on the upper peninsula, Michigan, is the youngest rift- related sedimentary unit in the 1.1 Ga Midcontinent rift. Although outcrops of the Jacobsville Sandstone along the Lake Superior shoreline and in river gorges are well studied, these outcrops represent stratigraphically only the upper 300-400 feet of the estimated 9,000 feet thick Jacobsville Sandstone. I used drill cores and newly-studied outcrop samples; 1) to characterize stratigraphically continuous sections; 2) to compare the Jacobsville Sandstone in subsurface with the Jacobsville Sandstone in outcrop; 3) to identify lateral and vertical variations in texture and petrographic composition within the Jacobsville Sandstone; and 4) to determine petrographic provenance of the Jacobsville Sandstone.

Creator

• Hedgman, Cheryl

License

• Attribution-NonCommercial-NoDerivs 4.0 International

Subject

• Lake Gogebic
• Sandstone
• Geology
• Jacobsville

Geographic Subject

• Michigan

Submitter

Graduate School

College

• Arts and Sciences

Degree Program

• Geology

Degree

• MS

Degree Date

• 1992

Advisor

• Unknown

Publisher

• University of Cincinnati

Language

• English

Note

• Legacy Identifier: http://hdl.handle.net/2374.UC/733209

  This thesis was sent to UC Libraries by Dr. J. Barry Maynard, Department of Geology, in April 2014. In the same month, Carol Gundrum of the Graduate School approved of its inclusion in the Digital Resource Commons.

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