Gwadar Formation
Early Pleistocene probably (Gelasian-Calabrian; ~2.03-1.39 Ma)
Quaternary in the time scale →Cited in 4 sources Last reviewed Jul 31, 2026
- Rank
- formation
- Status
- Published
- Age
- Quaternary · Quaternary · Middle PleistoceneEarly Pleistocene probably (Gelasian-Calabrian; ~2.03-1.39 Ma)
- Named by
- Not recorded
- Type locality
- Gwandar hammerhead section within Makran Flysch Province (MFP) of the Balochistan Basin
- Thickness
- 60–900 m
- Lithology
- Sandy claystone. Combined Gwadar and overlying/coeval Ormara Fm are predominantly sandy clay, 60-900 m thick
- Synonyms
- Not recorded
Sandy claystone. Combined Gwandar and overlying/coeval Ormara Fm are predominantly sandy clay, 60-900 m thick v
Fossils
Not recorded
Contacts
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
- Not recorded
- Region
- Not recorded
- Depositional environment
- Not recorded
- Coordinates
- Not recorded
Correlation
Not recorded. Compare this unit against other basins on the correlation panel →
Economic significance
Not recorded
Remarks
Not recorded
Sources (4)
- Indian Plate Lexicon (indplex.geolex.org), Geological Society of India and international compilation.
- Shah, S.M.I. (2009). Stratigraphy of Pakistan. Geological Survey of Pakistan, Memoir Vol. 22.
- Kazmi, A.H. & Jan, M.Q. (1997). Geology and Tectonics of Pakistan. Graphic Publishers, Karachi.
- Kazmi, A.H. & Abbasi, I.A. (2008). Stratigraphy and Historical Geology of Pakistan. Department & National Centre of Excellence in Geology, University of Peshawar, Peshawar. 524 pp. ISBN 978-969-9119.
Reviewer confidence: high
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: Name attested in the Shah (1977/2009) Geological Survey of Pakistan compilation — the national stratigraphic lexicon. This records where the name is documented; it is not an endorsement of the unit’s definition, age or figures.
Cite this unit
Qudsi, L. (2026). Gwadar Formation. In Pakistan Stratigraphy Dataset [Data set]. Zenodo. https://doi.org/10.5281/zenodo.21363991
@misc{stratigraphypk_gwadarformation,
author = {Qudsi, Lareb},
title = {{Gwadar 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/gwadar-formation (accessed August 30, 2026).
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