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Oronto Group

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Journal Article

The Nonesuch Formation Lagerstätte: a rare window into freshwater life one billion years ago

Paul K. Strother, Charles H. Wellman
Published: 30 November 2020
Journal of the Geological Society (2021) 178 (2): jgs2020-133.
DOI: https://doi.org/10.1144/jgs2020-133
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Failed rifting and fast drifting: Midcontinent Rift development, Laurentia’s rapid motion and the driver of Grenvillian orogenesis

Nicholas L. Swanson-Hysell, Jahandar Ramezani, Luke M. Fairchild, Ian R. Rose
Journal: GSA Bulletin
Published: 29 January 2019
GSA Bulletin (2019) 131 (5-6): 913–940.
DOI: https://doi.org/10.1130/B31944.1
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MACROSCOPIC STRUCTURES IN THE 1.1 Ga CONTINENTAL COPPER HARBOR FORMATION: CONCRETIONS OR FOSSILS?

ROSS P. ANDERSON, LIDYA G. TARHAN, KATHERINE E. CUMMINGS, NOAH J. PLANAVSKY, MARCIA BJØRNERUD
Journal: PALAIOS
Published: 01 July 2016
PALAIOS (2016) 31 (7): 327–338.
DOI: https://doi.org/10.2110/palo.2016.013
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The Mesoproterozoic Copperwood Sedimentary Rock-Hosted Stratiform Copper Deposit, Upper Peninsula, Michigan

Theodore J. Bornhorst, William C. Williams
Journal: Economic Geology
Published: 01 September 2013
Economic Geology (2013) 108 (6): 1325–1346.
DOI: https://doi.org/10.2113/econgeo.108.6.1325
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Anoxia in the terrestrial environment during the late Mesoproterozoic

Vivien M. Cumming, Simon W. Poulton, Alan D. Rooney, David Selby
Journal: Geology
Published: 01 May 2013
Geology (2013) 41 (5): 583–586.
DOI: https://doi.org/10.1130/G34299.1
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DISTRICT-SCALE CONCENTRATION OF NATIVE COPPER LODES FROM A TECTONICALLY INDUCED THERMAL PLUME OF ORE FLUIDS ON THE KEWEENAW PENINSULA, NORTHERN MICHIGAN

Alex C. Brown
Journal: Economic Geology
Published: 01 December 2008
Economic Geology (2008) 103 (8): 1691–1694.
DOI: https://doi.org/10.2113/gsecongeo.103.8.1691
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The provenance and chemical variation of sandstones associated with the Mid-continent Rift System, U.S.A.

Robert L. Cullers, Pieter Berendsen
Published: 01 October 1998
European Journal of Mineralogy (1998) 10 (5): 987–1002.
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Illite/smectite geothermometry of the Proterozoic Oronto Group, Midcontinent Rift system

Kirsten L. Price, S. Douglas McDowell
Published: 01 April 1993
Clays and Clay Minerals (1993) 41 (2): 134–147.
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Interpretation of Seismic Reflection, Gravity, and Magnetic Data Across Middle Proterozoic Mid-Continent Rift System, Northwestern Wisconsin, Eastern Minnesota, and Central Iowa

Val W. Chandler, Peter L. McSwiggen, G. B. Morey, William J. Hinze, R. R. Anderson
Journal: AAPG Bulletin
Published: 01 March 1989
AAPG Bulletin (1989) 73 (3): 261–275.
DOI: https://doi.org/10.1306/703C9B68-1707-11D7-8645000102C1865D
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Comparative Precambrian Stratigraphy and Structure Along the Mid-Continent Rift

Albert B. Dickas
Journal: AAPG Bulletin
Published: 01 March 1986
AAPG Bulletin (1986) 70 (3): 225–238.
DOI: https://doi.org/10.1306/9488566A-1704-11D7-8645000102C1865D
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