Makran-Siahan Basin (Arc-Trench Gap)
Makran Coast
Coastal Balochistan along Arabian Sea · Active accretionary prism
Accretionary prism complex with thick Cenozoic turbidite sequences. Active subduction zone with mud volcanoes. World's largest accretionary wedge.
This reference records 13 units in the Makran Coast spanning 2 geological eras, most commonly sandstone, conglomerate, shale/mudstone.
At a glance
- 13
- units
- 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
- Planktonic foraminifera
- Trace fossils
- Foraminifera
- Deep water foraminifera
- Bivalves (lamellibranchs)
- Gastropods
- Assilina mamilla
- Fasciolites borealis
- Discocyclina undulata
- Lepidocyclina blanfordi
- Lepidocyclina dilatata
- Nummulites atacicus
- Nummulites fichteli
- Nummulites intermedius
- Spiroclypeus sp.
- Benthic foraminifera
- Mollusks
- Corals
Units in this province
13 unitsLine these up against other basins on the correlation panel →
- Quaternary
- Cenozoic
- Mesozoic
- Paleozoic
- Precambrian
Which part?
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.