Английская Википедия:Cancañiri Formation
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The Cancañiri Formation, also named as Cancañiri Tillite, is a Katian to Hirnantian geologic formation of central Bolivia. The pebbly, argillaceous sandstones, shales and siltstones of the up to Шаблон:Convert thick formation,[1] were deposited in a glacial foreshore to deep water turbiditic environment.[2][3][4][5] The formation is named after Cancañiri, a mining town close to Llallagua, where a local legend of a possessed woman is believed.[6] The formation overlies the San Benito Formation in Cochabamba and the Amutara Formation in other parts. The Cancañiri Formation is overlain by the Uncía Formation.[7]
Fossil content
The formation has provided the following fossils: Шаблон:Div col
- Destombesium pacochicoensis
- Dinorthis flabellulum
- Drabovinella curiosa
- Tunariorthis cardocanalis
- Oanduporella sp.
- Rostricellula sp.
See also
References
Bibliography
Further reading
- V. Havlicek and L. Branisa. 1980. Ordovician brachiopods of Bolivia: Succession of assemblages, climate control, affinity to Anglo-French and Bohemian provinces. Rozpravy Ceskoslovenske Akademie Ved. Rada Matematickych a Prirodnich Ved. Academia Praha, Prague, Czechoslovakia 90(1):1-54
- ↑ Díaz Martínez, 2005, p.237
- ↑ Díaz Martínez, 1997, p.55
- ↑ Along "Coboce" Road near Irpa Irpa Railway Station at Fossilworks.org
- ↑ Changolla, railway on the Cochabamba - Oruro Railway at Fossilworks.org
- ↑ Paco Chico, ~40 km west of Potosí at Fossilworks.org
- ↑ La Llorona de Cancañiri
- ↑ Díaz Martínez, 1997, p.56
Категории:
- Английская Википедия
- Geologic formations of Bolivia
- Ordovician System of South America
- Silurian System of South America
- Ordovician Bolivia
- Silurian Bolivia
- Katian
- Hirnantian
- Sandstone formations
- Shale formations
- Siltstone formations
- Glacial deposits
- Deep marine deposits
- Turbidite deposits
- Ordovician southern paleotemperate deposits
- Silurian southern paleotemperate deposits
- Paleontology in Bolivia
- Geology of Cochabamba Department
- Geology of Potosí Department
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