The occurrence of phosphorites on the Calicut mount, off Kerala, Lakshadweep Sea, India

Gopakumar, B; Kumar, A Anil; Sardar, S K

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Please use this identifier to cite or link to this item: http://nopr.niscpr.res.in/handle/123456789/57949

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DC Field	Value	Language
dc.contributor.author	Gopakumar, B	-
dc.contributor.author	Kumar, A Anil	-
dc.contributor.author	Sardar, S K	-
dc.date.accessioned	2021-08-24T06:17:38Z	-
dc.date.available	2021-08-24T06:17:38Z	-
dc.date.issued	2021-07	-
dc.identifier.issn	2582-6727 (Online); 2582-6506 (Print)	-
dc.identifier.uri	http://nopr.niscair.res.in/handle/123456789/57949	-
dc.description	566-573	en_US
dc.description.abstract	A highly altered carbonate rock was recovered from the mount, off Calicut, Kerala. Bulk chemical analysis of the rock showed that it contains ~ 21 % P₂O₅. The rock consists of fine to coarse lithic and bio-clasts embedded in brown to the yellow coloured phosphatic matrix. Detailed SEM-EDS of the rock piece indicates micro-globular and nodular growth of phosphorite around calcite to form a core-rim structure, with P₂O₅ as high as 31.67 weight percentage. The X-ray elemental mapping carried out using EPMA indicates highest P₂O₅ (29.87 %) on the altered surfaces. Microstructural and geochemical analyses suggest authigenic/diagenetic precipitation of phosphorite on the carbonate rock.	en_US
dc.language.iso	en	en_US
dc.publisher	NIScPR-CSIR, India	en_US
dc.source	IJMS Vol.50(07) [July 2021]	en_US
dc.subject	Authigenic precipitation	en_US
dc.subject	Calicut mount	en_US
dc.subject	Carbonate fluorapatite	en_US
dc.subject	Phosphorite	en_US
dc.title	The occurrence of phosphorites on the Calicut mount, off Kerala, Lakshadweep Sea, India	en_US
dc.type	Article	en_US
Appears in Collections:	IJMS Vol.50(07) [July 2021]

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