Mineral chemistry of clinopyroxene and feldspars in the Neoproterozoic alkaline dykes of the Bangalore District, Karnataka, India

The unmetamorphosed Neoproterozoic dykes of the continental intraplate alkaline magmatism studied in Southern Karnataka consist of analcime-tinguaites, tinguaites, bostonites and solvsbergites. The analcime-tinguaites, tinguaites and bostonites display pyroxene trends typical of alkaline rocks; the...

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Autori principali:	H.T. Makkonen, K. Laajoki, T.C. Devaraju
Natura:	Artigo
Lingua:	Inglês
Pubblicazione:	Geological Society of Finland 1993-12-01
Serie:	Bulletin of the Geological Society of Finland
Soggetti:	dykes tinguaite bostonite solvsbergite clinopyroxene K-feldspar electron probe data Proterozoic Neoproterozoic Karnataka India
Accesso online:	http://www.geologinenseura.fi/bulletin/Volume65/sgs_bt_065_2_pages_077_088.pdf
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