 | | Journal (article/letter/editorial) | | INTRUSION, LABRADOR, CANADA Brent E. OWENS§ Department of Geology, College of William and Mary, Williamsburg...Intrusion, Labrador, Canada. The symplectite is dominated by aluminian diopside, cuspidine, and monticellite...monticellite, but also contains a calcic garnet (Grs70) and serpentine. Cuspidine approaches closely the ideal...33% clinopyroxene, 27% cuspidine, 21% monticellite, 9% garnet, and 9% serpentine. A reconstructed bulk-composition...the adjacent åkermanite, with the exception of Na and Fe, which were probably mobile (or retained in residual |  | | Journal (article/letter/editorial) | | Kiglapait Intrusion, Labrador BRENT E. OWENS* Department of Geology, College of William and Mary, Williamsburg...of a xenolith and autolith swarm in the Lower Zone of the Kiglapait Intrusion, Labrador. All xenoliths...lighter-colored than the local troctolite host rock, and are surrounded by a 1–2 cm thick reaction zone of...xenoliths is diopside + forsterite + monticellite + spinel, and one also contains åkermanite. Reaction...Reaction zones are dominated by diopside and spinel. All clinopyroxene compositions are “fassaitic,” with high |
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