= 14.35 Z = [2] X-ray Powder Pattern: Near Nain, Canada. (ICDD 30-942). 3.22 (100), 5.01 (60), 4.11...Occurrence: Milarite group. In fused xenoliths and contact metamorphic rocks. Association: Cordierite...quartz, biotite, zircon, magnetite, hematite, graphite. Distribution: Following are a few localities...Prefecture; on the Akagi volcano, Gumma Prefecture; and from Rishiri Island, Japan. On the Malyi Nepiskol...Riiser-Larsen, and nearby, in Enderby Land, Antarctica. In the Nain complex, at Ikkinikulluit Brook, Labrador, Newfoundland |
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Berg, Jonathan H., Wheeler, E. P. (1976) Osumilite of deep-seated origin in the contact aureole of the anorthositic Nain Complex, Labrador. American Mineralogist, 61 (1-2) 29-37 |
Journal (article/letter/editorial) |
the contact aureoleof the anorthositicNain complex' Labrador JoNa.rHeNH. Bsnc Department of Geology, Uniuersity...hypersthene, orthoclase,cordierite,plagioclase, Nain complex.It ite,and pyrrhotitein a granulitein the contactaureoleof...occurs as a discretephaseas well as with quartz and hypersthenein symplectites.The o, = osumiliteis uniaxial...positive(locally anomalouslybiaxial), e : 1.5473I0.0002, A, and densityis 2.62-2.64g/cm3.Its 1.5406+0.0002, a : l0...its composition is compared with other osumilites and related minerals, the following prominent substitutions |
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Gaines, Richard V., Skinner, H. Catherine W., Foord, Eugene E., Mason, Brian, Rosenzweig, Abraham, King, Vandall T. (1997) Dana's New Mineralogy (8th ed.) Wiley-Interscience. p.1872 |
Book (edition) |
James Dwight Dana and Edward Salisbury Dana EIGHTH ENTIRELY REWRITTEN EDITION AND GREATLY ENLARGED ...ROCHESTER ACADEMY OF SCIENCE, ROCHESTER, NEW YORK And with Illustrations by ERIC DOWTY SHAPE SOFTWARE...All rights reserved. Published simultaneously in Canada. Reproduction or translation or any part of this...This publication is designed to provide accurate and authoritative information in regard to the subject...of James Dwight Dana and Edward Salisbury Dana. — 8th ed., entirely rewritten and greatly enl. / by Richard |
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