Field Geology and Petrography — Macroscopy and Microscopy

  • N. M. S. Rock


A general exposition of minor intrusion characteristics is superfluous here, since many of the descriptions of basaltic dyke-swarms in Halls & Fahrig (1987), Maalt a (1987) and textbooks, plus comprehensive models of vents in R.H.Mitchell (1986), Bergman (1987) and Milashev (1988), already apply to lamprophyres. Detailed descriptions of lamprophyre bodies are available for example in Geldon (1972), Wallace (1975), Mykura (1976), Rock et al.(1986a) and Milashev (1988). This section therefore emphasises aspects peculiar to lamprophyre intrusions, which help to distinguish them from basaltic intrusions. Such aspects need to be considered at scales ranging from single bodies to entire dyke-swarms.


Globular Structure Felsic Rock Field Geology Composite Body Lamprophyre Dyke 
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Copyright information

© Springer Science+Business Media New York 1991

Authors and Affiliations

  • N. M. S. Rock
    • 1
  1. 1.Key Centre for Strategic Mineral Deposits, Department of GeologyUniversity of Western AustraliaAustralia

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