- Usage in publication:
-
- Caddin Formation*
- Modifications:
-
- Original reference
- Biostratigraphic dating
- Dominant lithology:
-
- Sand
- AAPG geologic province:
-
- Atlantic Coast basin
Summary:
Pg. 11 (fig. 8), 21-22, 29, 31 (fig. 22), 34. Caddin Formation. Occurs in subsurface of southern Dorchester County, southeastern South Carolina. Sediments previously included in the Black Creek Formation by Hazel and others (1977) and Gohn and others (1977). Consists mostly of gray, clayey, calcareous, glauconite-quartz sand. Thickness 100 feet at type. Overlies Shepherd Grove Formation (new); underlies Cane Acre Formation (new) of Black Creek Group. Fossils. Age is Late Cretaceous (early, but not earliest, Campanian; Austinian to Tayloran Provincial Age; DICARINELLA ASYMETRICA to GLOBOTRUNCANITA ELEVATA planktic foram zone, ASPIDOLITHUS PARCUS to CALCULITES OVALIS (NC18) calcareous nannofossil zone, ALATACYTHERE CHEETHAMI to ASCETOLEBERIS PLUMMERI ostracode zone).
Type section (subsurface): depth-interval 1,544 to 1,644 ft, Clubhouse Crossroads No. 1 drill core, near Clubhouse Crossroads, Dorchester Co., southeastern SC. Named from Caddin Bridge Swamp which drains area south of drill site.
Source: Publication.
For more information, please contact Nancy Stamm, Geologic Names Committee Secretary.
Asterisk (*) indicates published by U.S. Geological Survey authors.
"No current usage" (†) implies that a name has been abandoned or has fallen into disuse. Former usage and, if known, replacement name given in parentheses ( ).
Slash (/) indicates name conflicts with nomenclatural guidelines (CSN, 1933; ACSN, 1961, 1970; NACSN, 1983, 2005, 2021). May be explained within brackets ([ ]).