Pakistan Stratigraphy · stratigraphy.pk
Lupghar formation
https://stratigraphy.pk/formation/lupghar-formation
Lupghar formation
Permian
Karakoram-Hindukush Basin · Central Karakoram Batholith
Permian in the time scale →Stratigraphic position
Band colour = period; texture = dominant rock type. Lines between bands mark the contact type. True scale makes height ∝ recorded thickness; hatched = thickness not recorded. Ages approximate, for ordering.
This unit (highlighted) within its province column; faded ends continue above and below. Line style marks the contact type.
A lower Permian shale-to-limestone unit of the Chapursan Group in upper Hunza.
Lupghar formation is named after Lupghar valley, a tributary of Chapursan by Gaetani et al. (1995) and he presented lower member includes shale, muds and sandstone with phosphatic nodules, and upper member bioclastic and oolitic limestone and dolomite of Early Permian.
Significance. Lower formation of the Chapursan Group in the Upper Hunza region; rests on the Gircha Formation and is conformably overlain by the Panjshah Formation.
- Lithology
- Lower member of interbedded shale, mudstone and sandstone with phosphatic nodules; upper member of thick-bedded bioclastic and oolitic limestone and dolomite.
- Thickness
- about 300–380 m
- Type locality
- Lupghar valley
- Basin
- Karakoram-Hindukush Basin
- Region
- Central Karakoram Batholith
- Environment
- marine, shallow marine
- Introduced by
- Gaetani et al. (1995)
Provinces
References
- Malkani, M.S. & Mahmood, Z. (2017). Stratigraphy of Pakistan. Geological Survey of Pakistan, Memoir Vol. 24.
- Kazmi, A.H. & Jan, M.Q. (1997). Geology and Tectonics of Pakistan. Graphic Publishers, Karachi.
Reviewer confidence: medium
Related units
Saved on this device only.