Kaixinling Gr

Period:

Permian

Age Interval:

P₂ (58), Kungurian Stage (uppermost Cisuralian Epoch) through Guadalupian Epoch [latest-Early through Middle Permian]

Province:
Qinghai

Type Locality and Naming

The type section is located in the vicinity of the Kaixinling Coal Mine near the No.90 Highway Maintenance Squad of the Qinghai-Tibet Highway. It was named by the Qinghai Petroleum Bureau in 1957. Contains a lower Gadikao Fm and an upper Zhageyong Fm)

Lithology and Thickness

Claystone and Limestone. Grey-green and grey sandy slate, thick-bedded limestone, intermediate volcanic rocks and gypsum layers. Thickness of 2351.6 m.

Lithology Pattern:

Continental marl

Relationships and Distribution

Lower contact

Unconformable contact with the underlying strata of upper Devonian

Upper contact

Unconformable contact with the overlying Wuli Gr (Nayixiong Fm)

Regional extent

Distributed in the Jieza, Kaixinling and Nangqian areas

GeoJSON

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Fossils

Fusulinida represented by Schwagerina, Misellina, Parafusulina, Neoschwagerina, Verbeekina, Yabeina, Pseudodoliolina; Brachiopods represented by Enteletes, Dictyoclostus, Plicatifera, Streptorhynchia.

Age

Yangsingian Epoch = Kungurian Stage (uppermost Cisuralian Epoch) through Guadalupian Epoch [latest-Early through Middle Permian]

Age Span:

Beginning stage:

Kungurian

Fraction up in beginning stage:

0.15

Beginning date (Ma):

281.96

Ending stage:

Wordian

Fraction up in the ending stage:

1.0

Ending date (Ma):

264.34

Depositional setting

Depositional pattern:

Additional Information

Compiler:

Wang Yujing