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Malikhore Formation
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Malikhore Fm base reconstruction

Malikhore Fm

Period: 
Jurassic

Age Interval: 
Early Jurassic


Province: 
Pakistan Axial Belt

Type Locality and Naming

Ferozabad Gr – middle formation. Holotype section: Malikhore village (35 I/9, 27 km WNW of Khuzdar. Author: Fatmi et al., 1990. Reference section: None.


Lithology and Thickness

Oolitic limestone. Anwar et al. (1991) described the lithology in the type section to be mainly composed of thick-bedded limestone with subordinate calcareous shale/marl as thin partings. The limestone is grey to greyish brown, weathering to brown, thick bedded to massive, biomicritic and hard, peletic, oolitic, coquinoidal and shelly with frequent bioturbated mottled beds. The shale is black, fissile and carbonaceous. The formation is highly resistant which forms steep slopes or cliffs.

Thickness: 136-387 m. It is 387 m in type locality, 204 m in Khararai section and 136 m in Lukh Rud section


Lithology Pattern: 
Oolitic limestone


Relationships and Distribution

Lower contact

Conformably underlain by Kharari Fm (transitional).

Upper contact

Confromably overlain by Anjira Fm (transitional).

Regional extent

The formation is exposed in southern Axial Belt; northward it extends up to west of Khuzdar town.


GeoJSON

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Fossils

Abundant fragments of bivalves (Pecten, Weyla, Gervillea ), crinoids (Isocrinus ), brachiopods (Sporiferina sp.), corals etc are found from different levels.


Age 

Early Jurassic.

Age Span: 

    Beginning stage: 
Sinemurian

    Fraction up in beginning stage: 
0.5

    Beginning date (Ma): 
196.18

    Ending stage: 
Pliensbachian

    Fraction up in the ending stage: 
1.0

    Ending date (Ma):  
184.20

Depositional setting


Depositional pattern:  


Additional Information


Compiler:  

Nusrat K. Siddiqui