Ridley - Wilson, 1949 (Ordovician of the United States)
Where: Tennessee (35.5° N, 86.5° W: paleocoordinates 28.1° S, 66.4° W)
• basin-level geographic resolution
When: Ridley Limestone Formation, Blackriveran (460.9 - 449.5 Ma)
• formation-level stratigraphic resolution
Environment/lithology: shallow subtidal; lithified, bioturbated, peloidal, shelly/skeletal packstone and wackestone
• Geological information from field work of S.M. Holland and M.E. Patzkowsky
• medium to thick bedded skeletal to peloidal wackestones to packstones. highly bioturbated. includes some beds of skeletal (echinodermal) grainstones.
Preservation: original calcite, replaced with calcite
Primary reference: C. W. Wilson. 1949. Pre-Chattanooga stratigraphy in Central Tennessee. Tennessee Division of Geology Bulletin 56:1-415 [S. Holland/S. Holland] more details
Purpose of describing collection: biostratigraphic analysis
PaleoDB collection 5329: authorized by Steven Holland, entered by Steven Holland on 23.09.1999, edited by Pete Wagner