J
John A. Winchester
Researcher at Keele University
Publications - 70
Citations - 9158
John A. Winchester is an academic researcher from Keele University. The author has contributed to research in topics: Metamorphism & Volcanic rock. The author has an hindex of 28, co-authored 70 publications receiving 8420 citations.
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Geochemical discrimination of different magma series and their differentiation products using immobile elements
TL;DR: In this article, the abundance and distribution of selected minor and trace elements (Ti, Zr, Y, Nb, Ce, Ga and Sc) in fresh volcanic rocks can be used to classify the differentiation products of subalkaline and alkaline magma series in a similar manner to methods using normative or major-element indices.
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Geochemical magma type discrimination: application to altered and metamorphosed basic igneous rocks
TL;DR: In this article, five minor and trace elements, known to be chemically stable during alteration and metamorphism, have been combined in a set of binary diagrams that distinguish fresh tholeiites from alkali basalts.
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Magma type and tectonic setting discrimination using immobile elements
TL;DR: In this paper, five minor and trace elements have been variously combined to produce a set of binary diagrams in addition to total alkali-SiO2 diagrams, that discriminate between fresh tholeiitic and alkali basalts.
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Identification and discrimination of altered and metamorphosed volcanic rocks using immobile elements
TL;DR: In this paper, a series of immobile-element diagrams for metamorphic volcanic suites is presented, based on geochemical data on meta-volcanic suites in the greenschist, amphibolite and granulite facies.
Journal IssueDOI
Tectonics and Magmatism in Turkey and the Surrounding Area
TL;DR: Tectonics and Magmatism in Turkey and the Surrounding Area presents up-to-date results and ideas from a large number of international contributors on a wide range of current research activity in this region as mentioned in this paper.