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Pakistan Stratigraphy

Basin

Chagai-Raskoh Magmatic Arc

1 province · 10 formations

This reference records 10 units across 1 province of the Chagai-Raskoh Magmatic Arc, spanning 3 geological eras and most commonly conglomerate, evaporite, igneous rocks.

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At a glance

10
units
1
province
3
eras
3
georeferenced
7
with fossils
10
type localities
1,600 m
max thickness
19
sources

Rock types

  • conglomerate (4)
  • evaporite (3)
  • igneous rocks (1)
  • sandstone (1)
  • limestone (1)

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

Fossils recorded

  • Algae
  • Foraminifera
  • Corals (in limestone interbeds)
  • Hippurites loftusi
  • Lepidorbitoides socialis
  • Orbitoides sp.
  • Omphalocyclus sp.
  • Miscellanea miscella
  • Other larger foraminifera
  • Assilina dandotica
  • Assilina exponens
  • Fasciolites oblonga
  • Linderina brugesi
  • Opertorbitolites douvillei
  • Echinolampas nummulitica
  • Velates perversus
  • Alveolina vredenburgi
  • Flosculina globosa
  • Saudia labyrinthica
  • Lepidocyclina dilatata
  • Nummulites fichteli
  • Nummulites intermedius
  • Nummulites vascus
  • Nummulites atacicus

+5 more across the Chagai-Raskoh Magmatic Arc units.

Provinces

1

Stratigraphic column

The Chagai-Raskoh Magmatic Arc units placed in age order (units without a resolvable age are omitted). Toggle readable vs true-scale, and use Download to export any section as SVG or PNG for a figure.

Chagai-Raskoh Magmatic Arc — stratigraphic column
ConglomerateIgneousLimestoneShale / mudFossils recordedContact not recorded

Band colour = period; texture = dominant rock type. Lines between bands mark the contact type; dotted = no contact recorded in the sources (not a claim of conformity). True scale makes height ∝ recorded thickness; hatched = thickness not recorded. Ages approximate, for ordering.

Units in this basin

10