Titaniun-Mineral Deposits of the Roseland Anorthosite-Ferrodiorite Terrane, Blue Ridge Province of Central Virginia  Nelson and Amherst Counties, Virginia, July 15-16, 1989 Cover

Titaniun-Mineral Deposits of the Roseland Anorthosite-Ferrodiorite Terrane, Blue Ridge Province of Central Virginia: Nelson and Amherst Counties, Virginia, July 15-16, 1989

ISBN/ASIN: 9780875906263,9781118667200 | English | pdf | 27/27 pages | 1.86 Mb

About The ProductPublished by the American Geophysical Union as part of the Field Trip Guidebooks Series.
Grenvillian terranes of eastern Canada are characterized by large titanium deposits and the association anorthosite-ferrodiorite-charnockite-granulite. The Roseland district of Nelson and Amherst Counties in central Virginia (figure 1) is the only terrane of the southern Appalachians known to have this association; titanium deposits include rutile in the anorthosite border zone and ilmenite in nelsonite and ferrodiorite. The anorthosite is unusually alkalic with a combined Na20 + K20 content of 8.4% (Table 2), about 1? times the world average for massif anorthosites (Nockolds, 1954).
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