Home Multi-Country Search About Admin Login
Cenozoic
Mesozoic
Paleozoic
Neoproterozoic
Mesoproterozoic
Paleoproterozoic

Search by
Select Region(s) to search
Hold Ctrl (Windows/Linux) or Command (Mac) to select multiple
Luna Formation
Click to display on map of the Ancient World at:
Luna Fm base reconstruction

Luna Fm

Period: 
Jurassic

Age Interval: 
Bajocian-Bathonian (middle Jurassic)


Province: 
W.India Kutch Basin

Type Locality and Naming

Subsurface: Interval 945 to 1080 m in well Banni-2 (Zutshi et al., 1993)

[Fig. Geological and structural map of Kutch, also showing the onshore and offshore wells drilled for oil exploration. (Map by Rasoul Sorkhabi in GeoExpro Dec2014, based on various sources including S.K. Biswas, Current Science, 25May2005)]


Lithology and Thickness

Claystone. It consists of shale, limestone and sandstone with alternations of shale, thin coal bands and carbonaceous matter, while silty shale occurs towards the middle part of section. In Banni-2 it is 135 m, it is 60 m thick in Nirona well


Lithology Pattern: 
Continental marl


Relationships and Distribution

Lower contact

Unconformable with underlying Lodai Fm

Upper contact

Unconformable with Jumara Fm

Regional extent


GeoJSON

{"type":"Feature","geometry":{"type":"MultiPolygon","coordinates":[[[[67.55,22.63],[67.97,23.37],[68.51,23.97],[68.92,23.99],[68.94,24.29],[69.69,24.28],[69.87,24.17],[70.13,24.18],[70.2,24.28],[70.61,24.39],[70.59,24.24],[70.89,24.24],[70.99,24.33],[71.13,24.42],[71.02,24.45],[71,24.55],[71.1,24.65],[71.31,24.62],[71.39,24.37],[71.3,24.27],[71.33,23.97],[71.27,23.81],[71.63,23.35],[71.55,23.24],[71.34,23.27],[69.59,22.72],[68.13,22.15],[67.55,22.63]]]]}}

Fossils


Age 

Bajocian to Bathonian (Middle Jurassic)

Age Span: 

    Beginning stage: 
Bajocian

    Fraction up in beginning stage: 
0.2

    Beginning date (Ma): 
170.35

    Ending stage: 
Bathonian

    Fraction up in the ending stage: 
1.0

    Ending date (Ma):  
165.29

Depositional setting

The sediments exhibit current bedding and incipient cyclothemic characters, between coal shale and limestone, indicating paralic environment


Depositional pattern:  


Additional Information


Compiler:  

Modified from Jitendriya Mishra (2009) Kutch-Saurasthra Basin, Chap. 17 in ONGC Bull 44