 | | Journal (article/letter/editorial) | | and WAINE (C. V.), The Angra dos Reis (iron) meteorite, 94; Metallographic study of hexahedrites, 725...decomposition, 583 metamorphic effects in the Ergheo meteorite, Amphibole, Scotland, anal., 819; and see amosite...VANCE (E. R.), 605, manganese ores, 235 Bau mining district, Sarawak, Malaysia, anti721 monian idocrase, 894...Iceland, anal., 5o3 Anorthosite, Labrador, dense plagioclase glass in, Bertaghboy Bay, Canover, Connemara...FERNANDEZ(L. A.), Phenocrystic olivines from the eastern Azores, 165 Boulangerite, Cornwall, 767 BOUVIER(J |  | | Journal (article/letter/editorial) | | MARCH I 9 7 ~ , VOL. 38, PP. 89--93 The Molteno meteorite MICHAEL J. FROST ~ British Museum (Natural...London, S.W. 7 SUMMARY. The Molteno meteorite was seen to fall in South Africa in I953. It is a howardite...then to En33Fs~6Wo41. Also present are twinned plagioclase (An 84"4%) and small quantities of olivine (Fa...are given. THE Molteno meteorite fell about 2I km north-north-east of Molteno in Cape Province, Union...Union of South Africa, at approximately i7.oo hours in April or M a y I953. The approximate co-ordinates |  | | Journal (article/letter/editorial) | | THE WASHOUGAL METEORITE Dominique Y. Jerome* University of Oregon Eugene, Oregon 97403 M. Christophe...and determined the ranges of composition of plagioclase and pyroxenes from measurements of densities...of chondritic composition. INTRODUCTION The meteorite which flew over Portland, Oregon, before reaching...River at 8 a.m. on July 2, 1939 was the first meteorite fall ever recovered in the state of Washington...risers in the Pacific Northwest and described in local newspapers and in several subsequent articles (Pruett |  | | Report (issue) | | analyses of virtually all the known pyroxene-plagioclase achondrite meteorites and a discussion of the...A. Nelen . . . by Brian Mason T H E PYROXENE-PLAGIOCLASE ACHONDRITES, by Brian Mason, Eugene Jarosewich...parent rocks. Introduction As the importance of meteorite impacts as a mechanism producing lunar land forms...varieties: (1) "hard" trap which has euhedral plagioclase phenocrysts with strong oscillatory zoning, often...trap. Major minerals in both textural types are plagioclase (An 50-70) 33%-48%, clinopyroxene (augite ± pigeonite) |  | Warren, Paul H., Kallemeyn, Gregory W., Huber, Heinz, Ulff-Møller, Finn, Choe, Wonhie (2009) Siderophile and other geochemical constraints on mixing relationships among HED-meteoritic breccias. Geochimica et Cosmochimica Acta, 73 (19) 5918-5943 doi:10.1016/j.gca.2009.06.030 | Journal (article/letter/editorial) | | two separate chips were analyzed as a test of meteorite heterogeneity. Meteorites with extraordinary compositions...were intended to be representative of each bulk meteorite. In a few cases clasts (or otherwise distinctive...masses were generally >200 mg and average (per meteorite, not per analysis) 500 mg. Sources of samples...for MacAlpine Hills, MET for Meteorite Hills, NWA for Northwest Africa, PCA for Pecora Escarpment, QUE...denote new analyses from this work (for each meteorite, the average of our 1–3 analyses is plotted). |
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