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Minor acid intrusions and dykes of lamlash - Whiting bay region, Arran

By: Rao, M. Srirama.
Material type: ArticleArticleDescription: 237-246pp.Subject(s): Acid intrusion - Lamash whiting bay - Arran - Scotland | Thin sills and dykes - Arran - Scotland | Rock description - Arran - Scotland | Petrology - Arran - Scotland In: Geological magazine : Vol. 96 Iss. 1-6 Year. 1959Summary: Abstract Thin sills and dykes of pitchstone and felsite and dykes of crinanite, olivine-dolerite, tholeiites of different types, quartz-dolerite, andesite, craignurite-pitchstone, felsite and porphyry are described and the importance of contact and deep-seated hybridization of two magmas of contrasting basic and acid composition in their formation established. Among the dykes, the sequence of intrusion is surmised to be as follows: basic, sub-basic, intermediate, acidic, and, again, basic.
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Article Article Library and Information Centre
Periodical Section
Bound Journal Collection Not for loan 002544_35
Serials/Scientific Journal Serials/Scientific Journal Library and Information Centre
Periodical Section
Bound Journal Collection 550 GEO (Browse shelf) Available 002544

Abstract
Thin sills and dykes of pitchstone and felsite and dykes of crinanite, olivine-dolerite, tholeiites of different types, quartz-dolerite, andesite, craignurite-pitchstone, felsite and porphyry are described and the importance of contact and deep-seated hybridization of two magmas of contrasting basic and acid composition in their formation established. Among the dykes, the sequence of intrusion is surmised to be as follows: basic, sub-basic, intermediate, acidic, and, again, basic.

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