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Pakistan Stratigraphy
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Cenozoic • Neogene formation Literature

Sra Khula Formation

Middle to Late Miocene

Pishin–Katawaz Basin · Pishin Belt (Dasht Murgha)

Part of Dasht Murgha Group

Neogene in the time scale →

Cited in 2 sources Last reviewed Aug 2, 2026

Unit summary
Rank
formation
Status
Published
Age
Cenozoic · Neogene · Middle–Late MioceneMiddle to Late Miocene
Named by
Kasi et al. (2012)
Type locality
Core of the Dasht Murgha Syncline near Sra Khula village, Dasht Murgha area, Pishin Belt (reference section; published location N 30 deg 56 min 30 sec E 68 deg 18 min 35 sec; coordinate not independently confirmed).
Thickness
up to ~700 m
Lithology
Cyclic dark-red to maroon mudstone (intervals up to ~165 m) with subordinate coarse- to very-coarse-grained, pebbly, gritty sandstone (trough and low-angle cross-bedding); rare lateritic beds; fluvial.
Synonyms
Not recorded

The upper formation of the Miocene Dasht Murgha Group in the Pishin Belt of northern Balochistan, introduced by Kasi et al. (2012). It is a cyclic mudstone-dominated fluvial succession up to about 700 m thick — dark-red to maroon mudstone (intervals up to about 165 m) with subordinate coarse, pebbly, gritty sandstone — exposed in the core of the Dasht Murgha Syncline near Sra Khula village.

Fossils

Not recorded

Contacts

In the Zhob-Muslim Bagh column
SandstoneShale / mudConglomerateConformable

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.

Distribution & setting

Basin
Pishin–Katawaz Basin
Region
Pishin Belt (Dasht Murgha)
Depositional environment
fluvial
Coordinates
Not recorded

Correlation

Not recorded. Compare this unit against other basins on the correlation panel →

Economic significance

Not recorded

Remarks

Not recorded

Sources (1)

Reviewer confidence: medium

Every fact on this page is source-cited. This entry is part of the peer-archived Pakistan Stratigraphy Dataset (doi.org/10.5281/zenodo.21363991, CC‑BY‑4.0).

Lexicon status: Defined in journal or other literature; not found in a GSP memoir. There is no body currently ratifying unit status, so provenance is shown in place of a formal ruling.

Cite this unit
APA

Qudsi, L. (2026). Sra Khula Formation. In Pakistan Stratigraphy Dataset [Data set]. Zenodo. https://doi.org/10.5281/zenodo.21363991

BibTeX
@misc{stratigraphypk_srakhulaformation,
  author    = {Qudsi, Lareb},
  title     = {{Sra Khula Formation} --- Pakistan Stratigraphy Dataset},
  year      = {2026},
  publisher = {Zenodo},
  doi       = {10.5281/zenodo.21363991},
  url       = {https://doi.org/10.5281/zenodo.21363991}
}

Archived dataset: doi.org/10.5281/zenodo.21363991 (CC‑BY‑4.0) · Direct link to this entry: https://stratigraphy.pk/formation/sra-khula-formation (accessed September 5, 2026).

To cite the unit's original definition instead, see: Kasi et al. (2012).

    Saved on this device only.