The megacryst and inclusion assemblage from the Black Rock vent, Ayrshire.

R. W S Alexander, J. B. Dawson, E. M. Patterson, Richard Hervig

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

This Carboniferous basanitic vent on the NW Ayrshire coast, 2 km SSW of Fairlie, outcrops on a flat, tidal beach and contains an inclusion assemblage of single-phase megacrysts and altered ultramafic xenoliths. Megacrysts of clinopyroxene, kaersutite, phlogopite and anorthoclase belong to the Al-augite group; the ultramafic xenoliths are identified as amphibole-lherzolites of the Cr-diopside group. Probe analyses of minerals from each group show them to be very similar to other Scottish and world-wide examples of inclusions in undersaturated alkaline volcanic rocks. -R.A.H.

Original languageEnglish (US)
Pages (from-to)203-212
Number of pages10
JournalScottish Journal of Geology
Volume22
Issue number2
StatePublished - 1986
Externally publishedYes

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megacryst
alkaline rock
augite
phlogopite
diopside
tidal flat
amphibole
clinopyroxene
volcanic rock
outcrop
beach
probe
coast
mineral
rock
world

ASJC Scopus subject areas

  • Geology

Cite this

Alexander, R. W. S., Dawson, J. B., Patterson, E. M., & Hervig, R. (1986). The megacryst and inclusion assemblage from the Black Rock vent, Ayrshire. Scottish Journal of Geology, 22(2), 203-212.

The megacryst and inclusion assemblage from the Black Rock vent, Ayrshire. / Alexander, R. W S; Dawson, J. B.; Patterson, E. M.; Hervig, Richard.

In: Scottish Journal of Geology, Vol. 22, No. 2, 1986, p. 203-212.

Research output: Contribution to journalArticle

Alexander, RWS, Dawson, JB, Patterson, EM & Hervig, R 1986, 'The megacryst and inclusion assemblage from the Black Rock vent, Ayrshire.', Scottish Journal of Geology, vol. 22, no. 2, pp. 203-212.
Alexander, R. W S ; Dawson, J. B. ; Patterson, E. M. ; Hervig, Richard. / The megacryst and inclusion assemblage from the Black Rock vent, Ayrshire. In: Scottish Journal of Geology. 1986 ; Vol. 22, No. 2. pp. 203-212.
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