 | | Journal (article/letter/editorial) | | andalusite ash layer in Niigata KATSUKI KUROKAWA*, Prefecture, HIROMI * Department of from the Pliocene...KONISHI** Earth and , Faculty School of Central Japan YOSHIMI FUJIWARA*** Science University, ** Graduate...Science of Education, 950-21, and Niigata Japan Technology , Niigata Niigata *** Meike 950-21...crystals from layer mudstone and and and ash Prefecture, Niigata 2-6cm thick. School combined Osumilite... first reported was grains ash to by Miya Japan the silicic The ash are The and is in andalusite |  | | Journal (article/letter/editorial) | | strongly peraluminous hornfelses, containing cordierite, andalusite, sillimanite, biotite, pyrite and...intrusion have been contact metamorphosed to cordierite-, andalusite-, sillimanite-bearing hornfelses...(An) K-feldspar groundmass (Or) Biotite (mg) Cordierite (mg) T2d T2i R c T3e T3d 46-35 33 90 ...to a zone rich in polygonal quartz, feldspar, cordierite and andalusite (bottom) devoid of sillimanite...proportions of quartz, plagioclase, K-feldspar, cordierite (mg = 59), muscovite, pale-brown biotite, andalusite |  | | Journal (article/letter/editorial) | | feldspar and biotite, with or without garnet, cordierite and residual andalusite. Many of the folia appear...plagioclase and biotite, with or without garnet, cordierite or residual andalusite (Fig. 1). Some segregating...feldspar, garnet, andalusite, staurolite and cordierite, with smaller amounts of mica than in the high-strain...way to sillimanite, K-feldspar, garnet andor cordierite. Apart from sillimanite, these minerals are typically...to granoblastic garnet, quartz, feldspar and cordierite, Broken Hill area, N.S.W., Australia. Plane-polarized |  | | Report (chapter) | | that deformed lapilli tufts in the English Lake District were initially diagenetically compacted normal...proportions of garnet, quartz, K-feldspar and cordierite, with sillimanite and biotite that tend to be...domains) adjacent to and between porphyroblasts of cordierite in a schist from the Foothills terrane, central...changes occur. Porphyroblasts of minerals such as cordierite, garnet, staurolite, andalusite and K-feldspar...assemblages containing minerals such as pyrophyllite, cordierite, andalusite and sillimanite, which are more typical |  | | Report (volume) | | of reactions between tourmaline, biotite and cordierite 307 Petrology of Boron in Peraluminous Silicic...hydrous strontium borate from the Kramer Borate District, California. USGS Prof Paper 424-C:294-297 Erd...paragenesis of the Little Three mine pegmatites, Ramona District, San Diego County, California. Mineral Ree 20:101-127... from the Little Three mine pegmatite, Ramona District, San Diego County, California. Am Mineral 76:1998-2002...Matsubara S (1980) Manganese borate minerals from Japan. Kobutsugaku Zasshi 14 (Tokubetsugo 3):86-97 (in | | | Report (volume) | | of reactions between tourmaline, biotite and cordierite 307 Petrology of Boron in Peraluminous Silicic...hydrous strontium borate from the Kramer Borate District, California. USGS Prof Paper 424-C:294-297 Erd...paragenesis of the Little Three mine pegmatites, Ramona District, San Diego County, California. Mineral Rec 20:101-127... from the Little Three mine pegmatite, Ramona District, San Diego County, California. Am Mineral 76:1998-2002...Matsubara S (1980) Manganese borate minerals from Japan. Kobutsugaku Zasshi 14 (Tokubetsugo 3):86-97 (in |
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