Offshore zone + 3, Kensington Quadrangle, west of Pigeon Mountain (Ordovician of the United States)
Where: Walker County, Georgia (34.6° N, 85.4° W: paleocoordinates 29.3° S, 66.3° W)
• coordinate estimated from map
• outcrop-level geographic resolution
When: Caradoc (460.9 - 449.5 Ma)
• no information given
Environment/lithology: offshore; yellow, argillaceous limestone and gray, calcareous limestone
• alternations of thin, yellow argillaceous laminae and bluish-gray calcareous laminae less than 1 mm, occasionally interrupted by intraformational conglomerates and breccias; some black calcilutite and fine to coarsely crystalline limestone; in some areas a unit of lutitic and fine-grained limestone is present with black chert nodules.
Size class: macrofossils
Primary reference: A. T. Allen and J. G. Lester. 1957. Zonation of the Middle and Upper Ordovician strata in northwestern Georgia. Georgia State Division of Conservation, the Geological Survey Bulletin 66:1-104 [S. Holland/T. Hanson/T. Hanson] more details
Purpose of describing collection: biostratigraphic analysis
PaleoDB collection 32576: authorized by Steven Holland, entered by Tori Hanson on 09.07.2003