Kimberlitic, melilititic, trachytic and carbonatitte eruptives at Saltpetre Kop, Sutherland, South Africa

McIver, James; Ferguson, John

doi:10.1029/sp015p0111

Cited by 4 publications

(1 citation statement)

References 27 publications

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“…In the kimberlites and associated alkaline ultramafics from southern Africa, McIver and Ferguson (1979) pointed out that olivine and pyroxene were the dominant fractionation phases during the early stages of kimberlite evolution, whereas the more evolved rocks showed olivine-dominated fractionation. The olivine dominated mineralogy of the Spangar rocks may be comparable to such more evolved kimberlites.…”

Section: Discussionmentioning

confidence: 99%

A newly discovered kimberlitic rock from Pakistan

Ahmed

McCormick

1990

Mineral. mag.

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This first report of the occurrence of a kimberlitic rock in Pakistan is supported by its field relations, textures and mineral chemistry. Linear dykes, lenses, conical and pipe-like bodies, plugs and sills intrude non-orogenic, early Jurassic limestone near the SW extremity of an Eocene-emplaced ophiolite on the transform-type Indian plate margin; far away from the stable Precambrian craton. The rock resembles 'micaceous kimberlites' petrographically and contains olivine, phlogopite, perovskite, chromian spinel, monticellite, chlorite, serpentine, calcite, apatite, pectolite, clinopyroxene, amphibole, nepheline, magnetite and titanomagnetite. The minerals and their microprobe analyses resemble those of kimberlitic rocks.

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Section: Discussionmentioning

confidence: 99%