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Stratigraphy and sedimentology of the St. Lawrence Formation, Upper Cambrian of the northern Mississippi Valley

Abstract:

New collections of fossils and description of stratigraphic sections through the St. Lawrence Formation in the Upper Cambrian of the northern Mississippi Valley provide the basis for reassessment of the stratigraphy and sedimentology of this unit. The formation contains three lithofacies groups: 1) heterolithic dolomicrite, siltstone and sandstone; 2) flat-pebble conglomerate and laminated sandstone, and 3) stromatolitic dolomite. Deposition occurred in marine conditions on a shallow shelf. T...

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Authors


Hughes, NC More by this author
More by this author
Institution:
University of Oxford
Department:
Oxford, MPLS, Earth Sciences
Journal:
Contributions in Biology and Geology - Milwaukee Public Museum
Volume:
91
Publication date:
1997
URN:
uuid:a2fdf661-499d-4dea-96b4-59f43e6342a1
Source identifiers:
82047
Local pid:
pubs:82047
Language:
English

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