Crustal influences in the petrogenesis of the Malani rhyolites, southwestern Rajasthan: Combined trace element and oxygen isotope constraints

A. Maheshwari; M. Coltorti; A. N. Sial; G. Mariano

Crustal influences in the petrogenesis of the Malani rhyolites, southwestern Rajasthan: Combined trace element and oxygen isotope constraints

A. Maheshwari^*, M. Coltorti, A. N. Sial, G. Mariano

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

18 Citations (Scopus)

Abstract

The Malani volcanics of Gurapratap Singh and Diri belong to a basalt-andesite -daciterhyolite association of Precambrian age. The preponderance of rhyolites over basic and intermediate rocks is a significant feature of the area. The rhyolities are characterised by chemical features, which indicate their A-type affinity. The study rules out their cogeneticity and suggests the crustal involvement in the genesis of Malani rhyolites.

Original language	English
Pages (from-to)	611-619
Number of pages	9
Journal	Journal of the Geological Society of India
Volume	47
Issue number	5
Publication status	Published - May 1996
Externally published	Yes

Keywords

Malani Volcanics
Oxygen Isotopes
Petrology
Rajasthan

Cite this

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abstract = "The Malani volcanics of Gurapratap Singh and Diri belong to a basalt-andesite -daciterhyolite association of Precambrian age. The preponderance of rhyolites over basic and intermediate rocks is a significant feature of the area. The rhyolities are characterised by chemical features, which indicate their A-type affinity. The study rules out their cogeneticity and suggests the crustal involvement in the genesis of Malani rhyolites.",

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T1 - Crustal influences in the petrogenesis of the Malani rhyolites, southwestern Rajasthan

T2 - Combined trace element and oxygen isotope constraints

AU - Maheshwari, A.

AU - Coltorti, M.

AU - Sial, A. N.

AU - Mariano, G.

PY - 1996/5

Y1 - 1996/5

N2 - The Malani volcanics of Gurapratap Singh and Diri belong to a basalt-andesite -daciterhyolite association of Precambrian age. The preponderance of rhyolites over basic and intermediate rocks is a significant feature of the area. The rhyolities are characterised by chemical features, which indicate their A-type affinity. The study rules out their cogeneticity and suggests the crustal involvement in the genesis of Malani rhyolites.

AB - The Malani volcanics of Gurapratap Singh and Diri belong to a basalt-andesite -daciterhyolite association of Precambrian age. The preponderance of rhyolites over basic and intermediate rocks is a significant feature of the area. The rhyolities are characterised by chemical features, which indicate their A-type affinity. The study rules out their cogeneticity and suggests the crustal involvement in the genesis of Malani rhyolites.

KW - Malani Volcanics

KW - Oxygen Isotopes

KW - Petrology

KW - Rajasthan

UR - http://www.scopus.com/inward/record.url?scp=0030464297&partnerID=8YFLogxK

M3 - Article

AN - SCOPUS:0030464297

SN - 0016-7622

VL - 47

SP - 611

EP - 619

JO - Journal of the Geological Society of India

JF - Journal of the Geological Society of India

IS - 5

ER -

Crustal influences in the petrogenesis of the Malani rhyolites, southwestern Rajasthan: Combined trace element and oxygen isotope constraints

Abstract

Keywords

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