Cenozoic • Neogene formation In GSP lexicon

Hinglaj Formation

Late Oligocene to Pliocene (Aquitanian-Piacenzian; ~23.0-2.58 Ma)

Cited in 4 sources Last reviewed Jul 30, 2026

Unit summary

Rank: formation
Status: Published
Age: Cenozoic · Neogene · Late Oligocene to PlioceneLate Oligocene to Pliocene (Aquitanian-Piacenzian; ~23.0-2.58 Ma)
Named by: Vredenburg (1906)
Type locality: Hinglaj hills, Makran Flysch Province
Thickness: 3030-4545 m (4000 m at Hinglaj hills; 4545 m at Talar, 3030 m at Jiwani)
Lithology: Dominantly sandstone with shale, subordinate shelly limestone and minor conglomerate; grey to brown, fine- to coarse-grained, gritty to pebbly, usually calcareous.
Synonyms: Not recorded

A thick arenaceous succession dominated by sandstone with shale, subordinate shelly limestone and minor conglomerate, restricted to the Axial Belt (Arenaceous Zone) and the Makran Flysch Province, where its lower coeval facies is the Talar Formation. Best exposed in the Hinglaj hills. Named by Vredenburg (1906).

Fossils

Assilina mamilla Fasciolites borealis Discocyclina undulata Lepidocyclina blanfordi Lepidocyclina dilatata Nummulites atacicus Nummulites fichteli Nummulites intermedius Spiroclypeus sp.

Contacts

In the Makran Coast column

SandstoneShale / mudFossils recordedConformable

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

Makran Coast Zhob-Muslim Bagh

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 (3)

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.

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

APA

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

BibTeX

@misc{stratigraphypk_hinglajformation,
  author    = {Qudsi, Lareb},
  title     = {{Hinglaj 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/hinglaj-formation (accessed August 30, 2026).

To cite the unit's original definition instead, see: Vredenburg (1906).

Below · older

Khojak Formation

Paleogene

Above · younger

Chatti Formation

Neogene