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Showing 1 to 3 of 3 for “"Nolichucky Formation"”.
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Paleontology and stratigraphy of the Nolichucky Formation in southwest Virginia and northeast Tennessee
The paleontology and stratigraphy of the Nolichucky and adjacent formations in the region from Giles and Montgomery counties, Virginia, to the latitude of Knoxville, Tennessee, is described from 27 measured sections and 22 isolated localities. Over 3,600 fossil specimens were collected and …
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Carbonate ramp to deeper shale-shelf transitions of an Upper Cambrian (Dresbachian) shelf embayment, Nolichucky Formation, southwest Virginia
The Nolichucky Formation (0-300 m thick) formed as a transgressive-regressive package on the Cambrian pericratonic shelf in a broad, deep water embayment, bordered to the northeast and southeast by peritidal Honaker and Elbrook carbonates. Lateral facies changes from deep embayment rocks to …
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Carbon cycle changes during the end-Marjuman (Cambrian) extinction in the Southern Appalachians
… amount of carbon isotope data from the Deadwood Formation in the Black Hills of South Dakota suggests the possibility of a small negative ẟ¹³C excursion near the extinction and preceding the SPICE. Previous high-resolution biostratigraphy has identified an expanded record of extinction event …