Woodring Loc. 103 - Canal Zone [upper Culebra Fm]: Burdigalian, Panama

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Bivalvia - Arcida - Arcidae
Woodring 1973 r category
Subspecies: Anadara (Grandiarca) chiriquiensis chiriquiensis
Bivalvia - Ostreida - Ostreidae
Crassostrea cahobasensis (Pilsbry and Brown 1910)
Woodring 1982 a category
Gastropoda - Potamididae
Woodring 1959 r category
see common names

Geography
Country:Panama
Coordinates: 9.1° North, 79.7° West (view map)
Paleocoordinates:
Basis of coordinate:estimated from map
Geographic resolution:outcrop
Time
Period: Neogene Epoch: Miocene
Stage: Burdigalian 10 m.y. bin: Cenozoic 5
Key time interval: Burdigalian
Age range of interval: 20.45 - 15.98 m.y. ago
Age estimate: 19.5 Ma (Sr isotope)
Stratigraphy
Formation:Culebra Member:upper
Stratigraphic resolution:bed
Stratigraphy comments: LITHOSTRATIGRAPHY: From the Culebra Formation, which unconformably overlies the Las Cascadas agglomerate; emended by Kirby et al. (2009) to the upper member of the Culebra Formation. AGE: Early Miocene in text; direct date extrapolated from Kirby et al. (1999), =Burdigalian. STRATIGRAPHIC POSITION: From unknown position within member.
Lithology and environment
Primary lithology:planar lamination,fine poorly lithified "shale"
Secondary lithology: carbonaceous mudstone
Includes fossils?Y
Includes fossils?Y
Lithology description: Collection assumed to be from lower part of formation. The lower part of the formation comprises: dark-colored, thin-bedded or laminated, fine-grained rocks; carbonaceous or lignitic shale, carbonaceous silty mudstone, tuffaceous siltstone. The upper part comprises: calcareous and sandy strata, and ranges from tuffaceous amd pebbly calcareous sandstone to sandy limestone.
Environment:marine indet.
Geology comments: No paleoenvironmental data reported.
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils
Collection methods and comments
Collection methods:selective quarrying,field collection
Reason for describing collection:taxonomic analysis
Museum repositories:USNM
Collection method comments: Collected by MacDonald and Vaughan (1911). Material is also held (but not specified for any specific collection) at Stanford University, Acad. Nat. Sci. Phil., Corenell University, PRI, U. Cal. and Cal. Acad. Sci. Locality now unaccessible (submerged).
Taxonomic list comments:Exhaustive for gastropoda.
Metadata
Also known as:USGS Loc. 6012b
Database number:42621
Authorizer:A. Hendy Enterer:A. Hendy
Modifier:A. Hendy Research group:marine invertebrate
Created:2004-08-03 10:59:38 Last modified:2025-02-22 15:12:02
Access level:group members Released:2005-08-03 10:59:38
Creative Commons license:CC0
Reference information

Primary reference:
11306. W. P. Woodring. 1957. Geology and Paleontology of Canal Zone and adjoining parts of Panama. United States Geological Survey Professional Paper 306(A) [A. Miller/A. Hendy/A. Hendy]

Secondary references:

43691 M. X. Kirby, D. S. Jones, and B. J. MacFadden. 2009. Lower Miocene stratigraphy along the Panama Canal and its bearing on the Central American Peninula. PLoS One 3(7):1-14 [A. Hendy/A. Hendy]
11372 W. P. Woodring. 1959. Geology and paleontology of Canal Zone and adjoining parts of Panama: Description of Tertiary mollusks (gastropods: Vermetidae to Thaididae). United States Geological Survey Professional Paper 306(B):147-239 [A. Miller/A. Hendy/A. Hendy]
13235 W. P. Woodring. 1973. Geology and paleontology of canal zone and adjoing parts of Panama: Description of Tertiary mollusks (additions to gastropods, scaphopods, pelecypods: Nuculidae to Malleidae). United States Geological Survey Professional Paper 306(E):453-539 [A. Miller/A. Hendy/A. Hendy]
13359 W. P. Woodring. 1982. Geology and paleontology of canal zone and adjoing parts of Panama: Description of Tertiary mollusks (Pelecypods: Propeamussiidae to Cuspidariidae). United States Geological Survey Professional Paper 306(F) [A. Miller/A. Hendy/A. Hendy]