Kak, S. N.; Subrahmanyam, A.V. (2002) Depositional Environment and Age of Mahadek Formation of Wahblei River Section, West Khasi Hills, Meghalaya. Journal of the Geological Society of India, 60 (2). 151-162 doi:10.17491/jgsi/2002/600205
| Reference Type | Journal (article/letter/editorial) | ||
|---|---|---|---|
| Title | Depositional Environment and Age of Mahadek Formation of Wahblei River Section, West Khasi Hills, Meghalaya | ||
| Journal | Journal of the Geological Society of India | ||
| Authors | Kak, S. N. | Author | |
| Subrahmanyam, A.V. | Author | ||
| Year | 2002 (August 1) | Volume | 60 |
| Page(s) | 151-162 | Issue | 2 |
| Publisher | Geological Society of India | Place | Bangaluru, India |
| URL | |||
| DOI | doi:10.17491/jgsi/2002/600205Search in ResearchGate | ||
| Generate Citation Formats | |||
| Classification | Not set | LoC | Not set |
| Mindat Ref. ID | 19391321 | Long-form Identifier | mindat:1:5:19391321:1 |
| GUID | 0 | ||
| Full Reference | Kak, S. N.; Subrahmanyam, A.V. (2002) Depositional Environment and Age of Mahadek Formation of Wahblei River Section, West Khasi Hills, Meghalaya. Journal of the Geological Society of India, 60 (2). 151-162 doi:10.17491/jgsi/2002/600205 | ||
| Plain Text | Kak, S. N.; Subrahmanyam, A.V. (2002) Depositional Environment and Age of Mahadek Formation of Wahblei River Section, West Khasi Hills, Meghalaya. Journal of the Geological Society of India, 60 (2). 151-162 doi:10.17491/jgsi/2002/600205 | ||
| In | (2002, August) Journal of the Geological Society of India Vol. 60 (2). Geological Society of India | ||
| Abstract/Notes | Abstract Depositional conditions deduced from field, petrography and textural studies show that Lower Mahadek sediments (LMS) are of fluvial and Upper Mahadek sediments (UMS) are of marine origin. A hard lateritic ground represents the discontinuity surface between the fluvial, reduced uranium - mineralized facies (LMS) and the marine, oxidized facies (UMS). The change in facies, together with the pyroclastics discovered recently, represents a distinct time gap within the Mahadek sedimentation not reported earlier and is related to Sylhet volcanism. The pyroclastics and discontinuity surface indicate that the Lower Mahadek sediments may range from late Jurassic to early Cretaceous and Upper Mahadek sediments are most probably late Cretaceous, the intervening period being represented by the deposition and denudation of pyroclastics. This study shows that the Lower Mahadek are volcanoclastic sediments and brings out an unconformity within the Mahadek Formation of Meghalaya plateau. | ||
Locality Pages
| Locality | Citation Details |
|---|---|
| West Khasi Hills District, Meghalaya, India |
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