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T. J. Palmer
Burrows at certain omission surfaces in the Middle Ordovician of the Upper Mississippi Valley
Journal of Paleontology (January 1978), 52(1):109-117
Index Terms/Descriptors:
Latitude & Longitude:
GeoRef, Copyright 2004, American Geological Institute.
burrows; Champlainian; corrosion zones; Decorah; diagenesis; Galena Dolomite; hardgrounds; ichnofossils; Illinois; Iowa; Middle Ordovician; Minnesota; Mississippi Valley; morphology; new taxa; omission surfaces; Ordovician; paleontology; Paleozoic; Rivoli Member; Scalaridomus; Scalaridomus flexuosus; sediments; syngenesis; taxonomy; Trentonian; United States; Upper Mississippi Valley; Wisconsin
N37°00'00" -
N42°30'00" and
W91°30'00" -
W87°30'00" (Search for maps and images at Alexandria Digital Library)
N40°25'00" -
N43°30'00" and
W96°35'00" -
W90°10'00" (Search for maps and images at Alexandria Digital Library)
N43°30'00" -
N49°00'00" and
W97°10'00" -
W89°45'00" (Search for maps and images at Alexandria Digital Library)
N42°30'00" -
N47°00'00" and
W92°50'00" -
W86°45'00" (Search for maps and images at Alexandria Digital Library)
Copyright © 1978 by the GeoScienceWorld.
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