Bayan Shireh Formation
Geological formation in Mongolia / From Wikipedia, the free encyclopedia
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The Bayan Shireh Formation (also known as Baynshiree/Baynshire, Baynshirenskaya Svita or Baysheen Shireh) is a geological formation in Mongolia, that dates to the Cretaceous period. It was first described and established by Vasiliev et al. 1959.[1]
Quick Facts Type, Sub-units ...
Bayan Shireh Formation | |
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Stratigraphic range: Albian-Santonian ~102–86 Ma | |
Type | Geological formation |
Sub-units | Upper beds, lower beds |
Underlies | Javkhlant Formation |
Overlies | Baruunbayan Formation |
Thickness | Up to 300 m (980 ft) |
Lithology | |
Primary | Claystone, sandstone |
Other | Conglomerate, mudstone |
Location | |
Coordinates | 44.3°N 109.2°E / 44.3; 109.2 |
Approximate paleocoordinates | 46.5°N 100.0°E / 46.5; 100.0 |
Region | Gobi Desert |
Country | Mongolia |
Type section | |
Named for | Bayan Shireh |
Named by | Vasiliev et al. |
Year defined | 1959 |
Fossil localities in Mongolia. From C to D, mainly Bayan Shireh locations |
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