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Lamprophyres pp 103–112Cite as

Inclusion Suites — Macrocrysts, Xenocrysts, Xenoliths, etc.

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Abstract

The spectrum between truly cognate and wholly foreign inclusions was explained in the introduction to Chapter 4. Here we deal with inclusions which are largely foreign (Types B-F). Table 6.1 explains the fairly standard nomenclature used. Inclusions characteristically constitute tens of percent of the volume of individual lamprophyre dykes, and locally reach 70–80% (e.g. Reynolds 1936; Ayres & Higgins 1939; Elders 1957). They can be concentrated in the central portions of dykes and sills via flow differentiation (Section 3.1).

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© 1991 Springer Science+Business Media New York

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Rock, N.M.S. (1991). Inclusion Suites — Macrocrysts, Xenocrysts, Xenoliths, etc.. In: Lamprophyres. Springer, Boston, MA. https://doi.org/10.1007/978-1-4757-0929-2_6

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  • DOI: https://doi.org/10.1007/978-1-4757-0929-2_6

  • Publisher Name: Springer, Boston, MA

  • Print ISBN: 978-1-4757-0931-5

  • Online ISBN: 978-1-4757-0929-2

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