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Pakistan Stratigraphy

Kohistan-Ladakh Magmatic Arc

Kohistan Arc

Northern Khyber Pakhtunkhwa and Gilgit-Baltistan · Oceanic island arc, inter-suture position

Cretaceous-Paleogene island arc complex representing a complete section through oceanic arc crust. Bounded by the Northern (Indus) and Karakoram Sutures.

Units

22

Tectonic setting

Oceanic island arc, inter-suture position

This reference records 22 units in the Kohistan Arc spanning 2 geological eras, most commonly metamorphic rocks, igneous rocks, evaporite.

At a glance

22
units
2
eras
7
georeferenced
2
with fossils
16
type localities
9,000 m
max thickness
19
sources

Rock types

  • metamorphic rocks (10)
  • igneous rocks (6)
  • evaporite (3)
  • conglomerate (2)

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

Fossils recorded

  • Orbitolina
  • Rudists (Hippurites)
  • Nummulites
  • Discocyclina
  • Actinocyclina

Units in this province

22 units

Line these up against other basins on the correlation panel →

Era colours
  • Quaternary
  • Cenozoic
  • Mesozoic
  • Paleozoic
  • Precambrian
Kohistan Arc
MetamorphicIgneousShale / mudMixedLimestoneConglomerateFossils recordedConformableIntrusive

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.