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Rare earth abundances and origin of some Indian lamprophyres

D. K. Paul and P. J. Potts
Rare earth abundances and origin of some Indian lamprophyres
Geological Magazine (1981) 118 (4): 393-399

Abstract

Whole-rock and RE, Th, Ta, Hf, Sc, Co and Ba analyses of six lamprophyres from NE India show similarities with kimberlite. They have light RE-enrichment and greater variation in light RE than heavy RE. A small amount of partial melting of mantle pockets enriched in incompatible elements is thought to explain the lamprophyre compositions.


ISSN: 0016-7568
EISSN: 1469-5081
Coden: GEMGA4
Serial Title: Geological Magazine
Serial Volume: 118
Serial Issue: 4
Title: Rare earth abundances and origin of some Indian lamprophyres
Affiliation: Geol. Surv. India, Calcutta, India
Pages: 393-399
Published: 1981
Text Language: English
Publisher: Cambridge University Press, London, United Kingdom
References: 1 p.
Accession Number: 1982-056998
Categories: Geochemistry of rocks, soils, and sedimentsIgneous and metamorphic petrology
Document Type: Serial
Bibliographic Level: Analytic
Illustration Description: illus. incl. 14 anal., 2 tables, geol. sketch map
N18°00'00" - N43°00'00", E80°00'00" - E89°00'00"
Country of Publication: United Kingdom
Secondary Affiliation: GeoRef, Copyright 2017, American Geosciences Institute. Reference includes data from Mineralogical Abstracts, United KingdomTwickenhamUKUnited Kingdom. Reference includes data from PASCAL, Institute de l'Information Scientifique et Technique, Vandoeuvre-les-Nancy, France
Update Code: 1982
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