| Leat, P. T., Riley, T. R., Storey, B. C., Kelley, S. P., Millar, I. L. (2000) Middle Jurassic ultramafic lamprophyre dyke within the Ferrar magmatic province, Pensacola Mountains, Antarctica. Mineralogical Magazine, 64 (1) 95-111 doi:10.1180/002646100549021 | Journal (article/letter/editorial) | within the Ferrar magmatic province, Pensacola Mountains, Antarctica P. T. LEAT1,*, T. R. RILEY1, B. C....otherwise tholeiitic Ferrar magmatic province of Antarctica. We report an Ar-Ar age of 183 + 2.2 Ma for the...rare clinopyroxene phenocrysts with perovskite and spinel microphenocrysts in a groundmass of amphibole,...ultrama®c, lamprophyre, dyke, Ferrar, Pensacola Mountains, Antarctica. Introduction CONTINENTAL ¯ood basalts...those of contemporaneous basalts in Dronning Maud Land (Luttinen et al., 1998), which is conjugate to the |
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