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Manitu Formation

Manitu Fm

Period: 
Jurassic

Age Interval: 
Upper Jurassic, (TJ9).


Province: 
Inner Mongolia

Type Locality and Naming

Type locality is the West Hills of Manitu in Chifeng City, Balin Zuo Banner, Inner Mongolia Autonomous Region. Named by Compiler

Jingeng Sha (coordinator) Group for Liaoning Regional Stratigraphic Scale, 1978, Regional Stratigraphic Scale of Northeast China: Liaoning Province, Beijing: Geological Publishing House. First appeared in a 1974 manuscript by Li Jihai et al., who worked in No.2 Liaoning Regional Geological Survey Team. Middle formation in this regional version of the Xinganling Gr.


Lithology and Thickness

Andesite and volcaniclastic rocks, interlayered with sedimentary rocks


Lithology Pattern: 
Volcanics


Relationships and Distribution

Lower contact

Conformable onto the volcanics of the Manketou'ebo Fm.

Upper contact

Overlain by volcanics of the Baiyingaolao Fm.

Regional extent


GeoJSON

null

Fossils


Age 


Age Span: 

    Beginning stage: 
Oxfordian

    Fraction up in beginning stage: 
0.75

    Beginning date (Ma): 
156.47

    Ending stage: 
Kimmeridgian

    Fraction up in the ending stage: 
0.25

    Ending date (Ma):  
153.40

Depositional setting


Depositional pattern:  


Additional Information


Compiler:  

Jingeng Sha (coordinator) Group for Liaoning Regional Stratigraphic Scale, 1978, Regional Stratigraphic Scale of Northeast China: Liaoning Province, Beijing: Geological Publishing House. First appeared in a 1974 manuscript by Li Jihai et al., who worked in No.2 Liaoning Regional Geological Survey Team. Middle formation in this regional version of the Xinganling Gr.

Lithology and Thickness:

Andesite and volcaniclastic rocks, interlayered with sedimentary rocks

Lithology-pattern: Volcanics

Relationships and Distribution:

Lower contact:

Conformable onto the volcanics of the Manketou'ebo Fm.

Upper contact:

Overlain by volcanics of the Baiyingaolao Fm.

Regional extent:

GeoJSON:

Fossils:

Age:

Age span:

Beginning stage: Oxfordian

Fraction up in beginning stage: 0.75

Beginning date (Ma):

Ending stage: Kimmeridgian

Fraction up in ending stage: 0.25

Ending date (Ma):

Depositional setting:

Depositional-pattern:

Additional Information

Compiler

Jingeng Sha (coordinator)

Excerpts from Geological Formation Names of China (1866-2000), Springer.