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The amphibolites may represent mafic volcaniclastic lithologies.— Digital50.com Digital 50 Daily Industry News RSS Feed
The Boiteau Lake Uranium Trend is hosted within mid paleoproterozoic rock units of the Joe's Pond Formation and contains a variety of lithologies including mafic volcanics, sandstones, conglomerates, chert, argillites, schist, gneiss and pegmatites.— Digital50.com Digital 50 Daily Industry News RSS Feed
Uranium mineralization in all showings either occurs in carbonate altered shears and veinlets or in fractured and gossanous metapelitic sediments dominantly hosted within the mafic volcanic units.— Digital50.com Digital 50 Daily Industry News RSS Feed
These intersections are all from unaltered, biotitic coarse-grained granitic dykes cutting mafic rocks.— StreetInsider.com News Articles
Topics in Sedimentary Geology That I Write About Theoretical Stratigraphy #2: Barrell and the Rhythms of Geologic Time Constraints on the depths and temperatures of basaltic magma generation on Earth and other terrestrial planets using new thermobarometers for mafic magmas Methanotrophs regulated atmospheric sulfur isotope anomalies during the Mesoarchean (Tumbiana Formation, Western Australia)— Clastic Detritus

American Heritage Dictionary (1)
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