Search Results - "Sage, R.P."

Mantle processes in an Archean orogen: Evidence from 2.67 Ga diamond-bearing lamprophyres and xenoliths by Wyman, D.A., Ayer, J.A., Conceição, R.V., Sage, R.P.

“…The world's oldest diamond deposits occur in ∼2.67 Ga dikes and heterolithic breccias emplaced into greenstone belts of the Wawa and Abitibi Subprovinces,…”
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Bimodal cyclical Archean basalts and rhyolites from the Michipicoten (Wawa) greenstone belt, Ontario: geochemical evidence for magma contributions from the asthenospheric mantle and ancient continental lithosphere near the southern margin of the Superior Province by Sage, R.P., Lightfoot, P.C., Doherty, W.

“…The petrographic and geochemical variations in the middle to late Archean volcanic rocks of the Michipicoten (Wawa) greenstone belt (MGB), Ontario, record…”
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Types, abundances and distribution of kimberlite indicator minerals in alluvial sediments, Wawa–Kinniwabi Lake area, Northeastern Ontario: implications for the presence of diamond-bearing kimberlite by Morris, T.F, Crabtree, D, Sage, R.P, Averill, S.A

“…In response to the discovery of diamonds within modern alluvium in the glaciated area of Wawa, Ontario, Canada, the Ontario Geological Survey undertook a…”
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UPb zircon ages for the Missanabie-Renabie area and their relation to the rest of the Michipicoten greenstone belt, Superior Province, Ontario, Canada by Turek, A., Heather, K.B., Sage, R.P., Van Schmus, W.R.

“…The Missanabie-Renabie area is the eastern portion of the Michipicoten greenstone belt. Ten new UPb zircon ages confirm and extend the chronostratigraphy…”
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