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Atwell Trig Station, Callahan County, Texas, USA
Lat/Long (Decimal) | 32.2611,-99.1342 |
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Co-ordinates Derivation | based on nearby landmark |
Given Location | Texas, United States |
Mindat.org Region (for given coordinates) | Callahan County, Texas, USA |
Collections
Collection | Reference | Stratigraphic Name | Comments | Lithology | Age |
---|---|---|---|---|---|
Atwell Trig Station, Callahan Co. [Walnut Clay] | Young K. (1966) | Walnut Clay | STRATIGRAPHIC RELATIONS: From the Walnut Clay, which overlies the Paluxy Sandstone and is overlain by the Comanche Peak Limestone or Goodland Limestone. It is a lateral correlative of the Keys Valley Marl. AGE: Middle Albian; Oxytropidoceras salasi zone. STRATIGRAPHIC POSITION: From unknown position within formation. | claystone | 109 - 105.3 Ma Early/Lower Cretaceous |
Recorded Fossils
Accepted Name | Hierarchy | Age |
---|---|---|
Oxytropidoceras sp. genus | Animalia : Mollusca : Cephalopoda : Ammonoidea : Brancoceratidae : Oxytropidoceras | 109 - 105.3 Ma Early/Lower Cretaceous |
Oxytropidoceras (Manuaniceras) sp. subgenus | Animalia : Mollusca : Cephalopoda : Ammonitida : Mojsisovicsiidae : Oxytropidoceras : Oxytropidoceras (Manuaniceras) | 109 - 105.3 Ma Early/Lower Cretaceous |
References
Young K. (1966) Texas Mojsisoviciziinae (Ammonoidea) and the zonation of the Fredricksburg, Geological Society of America Memoir 100, 1-225 |
Data courtesy of: PBDB: The Paleobiology Database, Creative Commons CC-BY licenced. , GBIF: the Global Biodiversity Information Facility, various licences, iDigBio, various licences, and EOL: The Encyclopedia of Life (Open Data Public Domain). Because fossils are made of minerals too!