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Journal of Geological Society of India (Online archive from Vol 1 to Vol 78)

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2004
2003
2001

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Murkute, Y. A.

Aggradational Climbing Dune Laminations from Kamthi Sandstones of Umrer Coalfield

Abstract Views :171 | PDF Views:124

Authors

Y. A. Murkute ¹

Affiliations
1 Postgraduate Department of Geology, Nagpur University, Law College Square, Nagpur - 440 001, IN

Source

Journal of Geological Society of India (Online archive from Vol 1 to Vol 78), Vol 63, No 5 (2004), Pagination: 537-539

Abstract

No Abstract.

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Sedimentological Attributes of Sandstones from Talchir formation, Chimur Area, Chandrapur District, Maharashtra

Abstract Views :192 | PDF Views:129

Authors

Y. A. Murkute ¹

Affiliations
1 Postgraduate Department of Geology, Nagpur University, Law College Square, Nagpur - 440 001, IN

Source

Journal of Geological Society of India (Online archive from Vol 1 to Vol 78), Vol 61, No 4 (2003), Pagination: 471-476

Abstract

No Abstract.

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Sources of Cement in Barakar Sandstones from Umrer Coalfield, Nagpur

Abstract Views :171 | PDF Views:131

Authors

Y. A. Murkute ¹

Affiliations
1 Department of Geology, Nagpur University, Law College Square, Nagpur - 440 001, IN

Source

Journal of Geological Society of India (Online archive from Vol 1 to Vol 78), Vol 62, No 1 (2003), Pagination: 99-102

Abstract

Two broad categories of silica sources, causing silica cementation in Barakar sandstones from Umrer coalfield identified are: (1) external source and (2) internal source. In first category, silica is inferred to have been derived from associated shale and siltstone beds. The silica recovered from the limited compaction as well as through vugs and solution openings generated by intrastratal solution activity represents the second category. The ferruginous cement has resulted from weathering processes while pedogenic processes are responsible for carbonate cementation.

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Kamthi Sandstones: Grain Size Distribution and Depositional Processes

Abstract Views :211 | PDF Views:2

Authors

Y. A. Murkute ¹

Affiliations
1 Department of Geology, Nagpur University, Nagpur - 440 001, IN

Source

Journal of Geological Society of India (Online archive from Vol 1 to Vol 78), Vol 58, No 5 (2001), Pagination: 435-440

Abstract

Grain size distribution of sandstones from the Kamthi Formation is analyzed to evaluate the depositional processes. A group of lithounits from the Kamthi Formation is well exposed in the open cast coal mines of Umrer. The CM pattern and log-probability curves of grain size distribution have been analyzed to deduce the modes of sediment transport and the resultant depostional environment. The CM pattern has brought out traction, saltation and suspension modes of sediment transport, while log-probability curves have shown the dominance of saltation sub-population with minor proportion of suspension. Both these characteristics would suggest fluvial environment for the deposition of sandstones of Kamthi Formation.

Keywords

Sandstones, Grain Size Parameters, Kamthi Formation, Gondwana Sequence, Coal Mines, Umrer, Maharashtra

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