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Schorl from
Oketo rhyolite, Oketo town, Tokoro District, Okhotsk Subprefecture, Hokkaidō Prefecture, Japan


Classification
Species:Schorl
Formula:NaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Schorl data
Locality Data:Click here to view Oketo rhyolite, Oketo town, Tokoro District, Okhotsk Subprefecture, Hokkaidō Prefecture, Japan
Data Identifiers
Mindat Occurrence Record ID:609207
Long-form Identifier:1:3:609207:8
GUID (UUID V4):e5a430cb-cb2c-4483-a2bd-669cc42424a4
References
Watanabe J and Hasegawa K (1986) Borosilicates (datolite, schorl) and aluminosilicates (andalusite, sillimanite) in the Oketo rhyolite, Hokkaido. Journal of the Faculty of Science, Hokkaido University, series 4, 21, 583-598.
Reference Search (possible matching items)
VERNON, R.H., FLOOD, R.H., D'ARCY, W.F. (1987) Sillimanite and andalusite produced by base-cation leaching and contact metamorphism of felsic igneous rocks. Journal of Metamorphic Geology, 5 (4) 439-450 doi:10.1111/j.1525-1314.1987.tb00395.x
Journal (article/letter/editorial)
veinlets containing andalusite and sillimanite in rhyolite, inferring a deuteric origin for them. These occurrences...alteration and volcanism in the Lincolnton-McCormick district, Georgia and South Carolina. Geological Society...& Hasegawa, K., 1986. Borosilicates (datolite, schorl) and aluminosilicates (andalusite, 450 R.H....H. Flood & W.F. D'Arcy sillimanite) in the Oketo Rhyolite, Hokkaido. Joiirnalof the Faculty of Science
VERNON, R. H. (1987) Growth and concentration of fibrous sillimanite related to heterogeneous deformation in K-feldspar-sillimanite metapelites. Journal of Metamorphic Geology, 5 (1) 51-68 doi:10.1111/j.1525-1314.1987.tb00369.x
Journal (article/letter/editorial)
sillimanite-bearing folia that apparently formed in fractured rhyolite during deuteric alteration. This occurrence suggests...alteration, and volcanism in the Lincolnton-McCormick district, Georgia and South Carolina. Geological Society...Borosilicates (datolite, schorl) and aluminosilicates (andalusite, sillimanite) in the Oketo Rhyolite, Hokkaido. Journal
(1998) Chemical and volume changes during deformation and prograde metamorphism of sediments. Special Publication, 138. Geological Society of London. 215-246 doi:10.1144/gsl.sp.1996.138.01.13
Report (chapter)
that deformed lapilli tufts in the English Lake District were initially diagenetically compacted normal...alteration and volcanism in the Lincolnton-McCormick district, Georgia and South Carolina. Geological Society...Origin of slaty cleavage in the Coeur d'Alene district, Idaho. Bulletin of the Geological Society of...central Shikoku. Journal of the Geological Society of Japan, 90, 33-42. HART, R. 1970. Chemical exchange between...cleavage development in the Kitakami slates of NE Japan. Journal of Structural Geology, 13, 927-943. KERRICK
Grew, Edward S., Anovitz, Lawrence M., Grew, Edward S., Anovitz, Lawrence M. - Eds. (1996) Boron - Mineralogy, Petrology and Geochemistry. Reviews in Mineralogy Vol. 33. Mineralogical Society of America
Report (volume)
assemblages 376 Tourmaline stability in magmas: Schorl-dravite 377 Acknowledgments 379 References 379...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
Grew, Edward S., Anovitz, Lawrence M., Grew, Edward S., Anovitz, Lawrence M. - Eds. (1996) Boron - Mineralogy, Petrology and Geochemistry. Reviews in Mineralogy Vol. 33. Mineralogical Society of America
Report (volume)
assemblages...... Tourmaline stability in magmas: Schorl-dravite ..................2..0008 Bare MOW COPIES...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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