Offshore zone -9, Hooker Quadrangle, east of U.S. Highway 11 (Ordovician of the United States)
Where: Dade County, Georgia (34.7° N, 85.5° W: paleocoordinates 29.2° S, 66.4° W)
• coordinate estimated from map
• outcrop-level geographic resolution
When: Caradoc (460.9 - 449.5 Ma)
• no information given
Environment/lithology: offshore; gray limestone
• Massive, gray to blue-gray, crystalline, limestone in which brownish-black ropy chert nodules and calcite "eyes" may occur. Some argillaceous material may be presen, as well as calcilutute with dark, silty, dolomitic layers.
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 33179: authorized by Steven Holland, entered by Tori Hanson on 23.07.2003
Creative Commons license: CC BY (attribution)
Taxonomic list
Show authors, comments, and common names
Anthozoa | |
Favistella sp. Dana 1846 horn coral | |
Cephalopoda | |
Strophomenata | |
| |
Strophomena incurvata, "Strophomena tennesseensis" = Rhipidomena tennesseensis
| |
Rhynchonellata | |
Zygospira sp. Hall 1862 |