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Pakistan Stratigraphy

Basin

Makran-Siahan Basin (Arc-Trench Gap)

1 province · 13 formations

This reference records 13 units across 1 province of the Makran-Siahan Basin (Arc-Trench Gap), spanning 2 geological eras and most commonly sandstone, conglomerate, shale/mudstone.

At a glance

13
units
1
province
2
eras
6
georeferenced
7
with fossils
13
type localities
5,000 m
max thickness
9
sources

Rock types

  • sandstone (4)
  • conglomerate (3)
  • shale/mudstone (3)
  • limestone (2)
  • metamorphic rocks (1)

Based on the primary lithology recorded for each unit; some units span more than one rock type.

Fossils recorded

  • Deep water foraminifera
  • Trace fossils
  • Foraminifera
  • Planktonic foraminifera
  • Benthic foraminifera
  • Mollusks
  • Bivalves (lamellibranchs)
  • Gastropods
  • Corals
  • Assilina mamilla
  • Fasciolites borealis
  • Discocyclina undulata
  • Lepidocyclina blanfordi
  • Lepidocyclina dilatata
  • Nummulites atacicus
  • Nummulites fichteli
  • Nummulites intermedius
  • Spiroclypeus sp.

Provinces

1

Units in this basin

13