Naza Fm
Period:
Carboniferous
Age Interval:
C21 (),Visean (middle Early Carboniferous)
Province:
Xizang (Tibet)
Type Locality and Naming
The type section is located at Naza, about 50 km south of Lungmu Co, Ngari, Tibet. It was named by Guo Tieying and Liang Dingyi in 1991.
Lithology and Thickness
Sandstone, Black Claystone and Volcanics. Black-gray to brown-yellow metamorphic sandstone, black slate and black siliceous limestone, intercalated with basic volcanic rock
Lithology Pattern:
Clayey sandstone
Relationships and Distribution
Lower contact
Unknown: Its contact relationship with the underlying strata is unclear
Upper contact
Unknown: Its contact relationship with the overlying strata is unclear
Regional extent
Distributed in the Karakorum area
GeoJSON
null
Age
Visean (middle Early Carboniferous)
Age Span:
Beginning stage:
Visean
Fraction up in beginning stage:
0.0
Beginning date (Ma):
346.73
Ending stage:
Visean
Fraction up in the ending stage:
1.0
Ending date (Ma):
330.34
Depositional setting
Depositional pattern:
Additional Information
Compiler:
Fan Yingnian