Panama Formation
The Panama Formation (Tp)[1] is a geologic formation in Panama. The formation consists of tuffaceous[2] sandstones, conglomerates, tuffaceous shales and algal and foraminifera-rich limestones,[1] and preserves bivalve fossils of Leopecten gatunensis and Nodipecten sp. and dates back to the Late Oligocene period.[3]
Panama Formation Stratigraphic range: Late Oligocene | |
---|---|
Type | Formation |
Underlies | Caraba Formation |
Overlies | Gatuncillo Formation, Cretaceous basement |
Lithology | |
Primary | Sandstone, shale, conglomerate |
Other | Tuff, limestone |
Location | |
Coordinates | 9.1°N 79.7°W |
Approximate paleocoordinates | 7.6°N 77.3°W |
Region | Panamá Province |
Country | Panama |
Extent | Panama Basin |
Type section | |
Named for | Panama |
Panama Formation (Panama) |
References
- Geologic Map, 1980
- Woodring, 1957, p.12
- Panama Formation at Fossilworks.org
Bibliography
- Stewart, R.H.; J.L. Stewart, and W.P. Woodring. 1980. Geologic Map of the Panama Canal and Vicinity, 1. USGS. Accessed 2019-02-09.
- Woodring, W.P. 1957. Geology and Paleontology of Canal Zone and Adjoining Parts of Panama - 306A Geology and description of Tertiary mollusks (Gastropods: Trochidae to Turritellidae), 1–186. USGS. Accessed 2019-02-09.
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