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Magma traps: Part II, application

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Abstract

A model of the lithostatic control of the ascent of magma, described in Part I (this volume), is tested against data from the Upper Cretaceous-Lower Tertiary sedimentary and volcanic region of central West Greeland: the thickness of sedimentary rock; the thickness of the pillow breccias; the total thickness of the lava pile; the depth of the post volcanic paleosurface. The local development is largely determined by a single parameter, the proportion of crustal thinning, and requires a magma source at 75 km depth with differentiation at 11 km depth. The model is applied in outline to the development of continental and orogenic volcanism in New Zealand.

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Authors and Affiliations

  1. Geology Department, Manchester University, M13 9PL, Manchester, England

    J. W. Elder

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  1. J. W. Elder
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Elder, J.W. Magma traps: Part II, application. PAGEOPH 117, 15–33 (1978). https://doi.org/10.1007/BF00879731

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  • DOI: https://doi.org/10.1007/BF00879731

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