A glacial record spanning the Pleistocene in southern Minnesota

Carrie E. Jennings; Alan Knaeble; Gary Meyer; Barbara Lusardi; Terry L. Bovee; Brandon Curry; Marylee Murphy; Vania Stefanova; H. E. Wright

doi:10.1130/2011.0024(16)

A glacial record spanning the Pleistocene in southern Minnesota

Carrie E. Jennings, Alan Knaeble, Gary Meyer, Barbara Lusardi, Terry L. Bovee, Brandon Curry, Marylee Murphy, Vania Stefanova, H. E. Wright

Illinois State Geological Survey

Research output: Contribution to journal › Article › peer-review

Abstract

The glacial history of southern Minnesota, based on the surficial deposits of the late glacial Des Moines lobe and older deposits correlated to Marine Oxygen Isotope Stage 16, is documented in exposures along tributaries to the Minnesota River. A recently formalized stratigraphy defines and correlates these tills on the basis of their texture, lithologic composition, and stratigraphic position. Soils developed in this glacial landscape are among the most productive in the world. Their subtle variations reflect shifting ecotones throughout the Holocene.

Original language	English (US)
Pages (from-to)	351-378
Number of pages	28
Journal	GSA Field Guides
Volume	24
DOIs	https://doi.org/10.1130/2011.0024(16)
State	Published - 2011

Keywords

ISGS

ASJC Scopus subject areas

Geology
Earth-Surface Processes
Stratigraphy
Palaeontology

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10.1130/2011.0024(16)

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AU - Curry, Brandon

AU - Murphy, Marylee

AU - Stefanova, Vania

AU - Wright, H. E.

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AB - The glacial history of southern Minnesota, based on the surficial deposits of the late glacial Des Moines lobe and older deposits correlated to Marine Oxygen Isotope Stage 16, is documented in exposures along tributaries to the Minnesota River. A recently formalized stratigraphy defines and correlates these tills on the basis of their texture, lithologic composition, and stratigraphic position. Soils developed in this glacial landscape are among the most productive in the world. Their subtle variations reflect shifting ecotones throughout the Holocene.

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A glacial record spanning the Pleistocene in southern Minnesota

Abstract

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