请输入您要查询的百科知识:

 

词条 Caraba Formation
释义

  1. Fossil content

  2. See also

  3. References

      Bibliography  
{{Infobox rockunit
| name = Caraba Formation
| image =
| caption =
| type = Formation
| age = Early Oligocene
| period = Oligocene
| prilithology = Sandstone
| otherlithology = Conglomerate
| namedfor =
| namedby = Jones
| year_ts = 1950
| region = Panamá Province
| country = {{PAN}}
| coordinates = {{coord|9.1|N|79.7|W|display=inline,title}}
| paleocoordinates = {{coord|7.1|N|77.5|W|display=inline}}
| unitof =
| subunits =
| underlies = Las Cascadas & Caimito Formations
| overlies = Bas Obispo, Bohío & Panama Formations
| thickness =
| extent = Panama Basin
| area =
| map = {{Location map+ | Panama
| relief = 1
| width = 250
| float = center
| places =
| lat_deg = 9.1
| lon_deg = -79.7
| mark = Orange pog.svg
| marksize = 12
}}
| map_caption =
}}

The Caraba Formation (Tcr)[1] is a geologic formation in Panama. The formation was first defined in 1950 by Jones as a facies member of the Caimito Formation.[2] The formation consists of poorly lithified, pebbly, tuffaceous, calcareous sandstones and conglomerates and preserves fossils dating back to the Early Oligocene period.[3]

Fossil content

The following fossils have been reported from the formation:

Bivalves
  • Leopecten gatunensis
  • ?Argopecten sp.
Gastropods
  • Pachycrommium trinitatensis
  • Ficus sp.

See also

{{Portal|Earth sciences|Panama|Paleontology|Neogene|Prehistory of North America|Prehistory of South America}}
  • List of fossiliferous stratigraphic units in Panama

References

1. ^Geologic Map, 1980
2. ^Woodring, 1957, p.29
3. ^Caraba Formation at Fossilworks.org

Bibliography

  • {{cite LSA |last=Stewart |first=R.H. |last2=Stewart |first2=J.L. |last3=Woodring |first3=W.P. |year=1980 |title=Geologic Map of the Panama Canal and Vicinity |url=https://pubs.usgs.gov/pp/0306f/plate-1.pdf |publisher=USGS |pages=1 |accessdate=2019-02-09}}
  • {{cite LSA |last=Woodring |first=W.P |year=1957 |title=Geology and Paleontology of Canal Zone and Adjoining Parts of Panama - 306A Geology and description of Tertiary mollusks (Gastropods: Trochidae to Turritellidae) |url=https://pubs.usgs.gov/pp/0306a/report.pdf |publisher=USGS |pages=1–186 |accessdate=2019-02-09}}

6 : Geologic formations of Panama|Paleogene Panama|Sandstone formations|Conglomerate formations|Geography of Panamá Province|Panama Canal Zone

随便看

 

开放百科全书收录14589846条英语、德语、日语等多语种百科知识,基本涵盖了大多数领域的百科知识,是一部内容自由、开放的电子版国际百科全书。

 

Copyright © 2023 OENC.NET All Rights Reserved
京ICP备2021023879号 更新时间:2024/11/12 10:31:25