 | | Journal (article/letter/editorial) | | kornerupine-cordierite-sillimanite rocks from Ellammankovilpatti, Tamil Nadu, India E.S. Grew 1,,, K. Abraham 1, and...minute (mostly 0.1 ram) grains with fine-grained hercynite, magnetite, and rutile in two coarse-grained ...kornerupine-cordierite-sillimanite rocks from Ellammankovilpatti, Tamil Nadu, India. The hoegbomite is Ti-poor (2.5wt%...Gatehouse and Grey (1982) to be applicable to the Ellammankovilpatti hoegbomite, the analyses were recalculated...+ ZnO + H 2 0 + 02 = cordierite + chlorite + hercynite + hoegbomite + magnetite + B203. The conditions |  | Sengupta, P., Bhui, U. K., Braun, I., Dutta, U., Mukhopadhyay, D. (2009) Chemical substitutions, paragenetic relations, and physical conditions of formation of hogbomite in the Sittampundi layered anorthosite complex, South India. American Mineralogist, 94 (11) 1520-1534 doi:10.2138/am.2009.3121 | Journal (article/letter/editorial) | | Sittampundi layered anorthosite complex, South India Pulak SenguPta,1,* uttam k. Bhui,1 ingo Braun,2...Sciences, Jadavpur University, Kolkata 700032, India Mineralogisch-Petrologisches Institut, Universität... 29, Ballygunge Circular Road, Kolkata 700019, India 1 2 aBStract Layered anorthosite, chromiferous...2.9 Ga Sittampundi layered complex (SLC), South India, underwent high-grade metamorphism at ca. 2.5 Ga...spinel, anorthosite, Ti-mobility, Sittampundi, South India introDuction Högbomite is a complex Fe-Mg-Al-Ti |  | | Journal (article/letter/editorial) | | one sample is a secondaryproduct of a Zn-beaing hercynite. The FeO content rangesfrom 28 to 30 wt0/0,making...in contact with zincian hdgbomite and zincian hercynite. In a second sample, a small grain of green spinel...Archean granite-greenstone terrane in the northeast district of Botswana. The belt consists of polymetamorphosed...(Sp), gahnite (Gh), zincian hdgbomite(Zn-Hg),and hercynite(Hc). - Fe,., as FeO. 0.00 55.62 34.75 0.25 3...establishwhether their hdgbomite (from Ellammankovilpatti, Tamil Nadu, India) was an 8I1 polytype. They suggestedthat |  | | Journal (article/letter/editorial) | | magnetite with hercynite, and at the border of magnetite where it is in contact with hercynite, rare ilmenite...hoÈgbomite-participating reactions: Ti-bearing hercynite ) hercynite hoÈgbomite (intergrown/exsolution lamellae)...cordierite ) hercynite hoÈgbomite rutile chlorite/pyrophyllite hoÈgbomite ) hercynite ilmenite...grains intergrown with hercynite and also in grains at the margin of hercynite, but this zoning is overprinted...depending on the surrounding phases. In contact with hercynite, hoÈgbomite has FeO (total Fe as FeO) 27.1±28 |  | | Journal (article/letter/editorial) | | the Palghat-Cauvery shear zone system, southern India T. TSUNOGAE1,2,* AND M. SANTOSH3 1 Graduate School...Archaean-Proterozoic collisional boundary in southern India. HoÈgbomite occurs here as fine- to medium-grained...metamorphic ¯uid, Palghat-Cauvery shear zone system, India. K EY WORDS : Introduction HOÈGBOMITE, a complex...PalghatCauvery shear zone system divides the South India Granulite Terrane (Madurai, Trivandrum, and Nagercoil...Madurai Block (based on the 1:500,000 map of Tamil Nadu, (GSI, 1995)) with the sample locality ($) of |  | NISHIMIYA, Yuki, TSUNOGAE, Toshiaki, SANTOSH, M., DUBESSY, Jean, CHETTY, T.R.K. (2009) Prograde and retrograde högbomites in sapphirine + quartz bearing Mg-Al rock from the Palghat-Cauvery Suture Zone, southern India. Journal of Mineralogical and Petrological Sciences, 104 (5) 319-323 doi:10.2465/jmps.090613 | Journal (article/letter/editorial) | | Petrological högbomites Sciences,from Volume southern 104, India page 319 ─ 323, 2009 319 LETTER Prograde and...from the Palghat-Cauvery Suture Zone, southern India Yuki Nishimiya*, Toshiaki Tsunogae*, **, M. Santosh***...Geophysical Research Institute, Hyderabad 500 606, India ‡ - We report rare högbomite in a sapphirine...trace of the Cambrian Gondwana suture in southern India. Fine grained (~ 0.8 mm) högbomite occurs mantled...bearing rocks from Manitouwadge massive sulfide district, Ontario, Canada, that underwent peak metamorphism |  | Grew, E. S., Chernosky, J. V., Werding, G., ABRAHAM, K., MARQUEZ, N., HINTHORNE, J. R. (1990) Chemistry of Kornerupine and Associated Minerals, a Wet Chemical, Ion Microprobe, and X-Ray Study Emphasizing Li, Be, B and F Contents. Journal of Petrology, 31 (5) 1025-1070 doi:10.1093/petrology/31.5.1025 | Journal (article/letter/editorial) | | South Africa Zimbabwe Uganda Tanzania Madagascar India East Germany Norway Canada Greenland Afghanistan...(PI) Quartz (Qtz) Ilmemte/hematite Spinel (Spl)/ Hercynite (He) Corundum (Cm) Rutile (Rt) Magnetite (Mag)...Mnz—monazite, Ms—muscovite, Sul—sulfide. Spinel (Spl)/ Hercynite (He) Corundum (Crn) Rutile (Rt) Magnetite (Mag)...kornerupine with sapphirine, sillimanite, and hercynite, the last of which is dark from abundant magnetite...PI—plagioclase, Crd cordierite, Si! sillimanite, He hercynite, Bt biotite. CHEMISTRY OF KORNERUPINE AND ASSOCIATED |  | | Journal (article/letter/editorial) | | garnet,sillimanite, cordierite, anthophyllite, hercynite, rutile, and corundum; staurolite, kyanite, K-feldspar...hdgbomite-rutile-magnetite, and hdgbomite-magnetite-hercynite. No contacts were found with K-feldspar, staurolite...grains of hercynite appear in any given section,and in generalhdgbomite enclosesthis hercynite and appearsto...appearsto be replacing it (Fig. 2C). In addition, hercynite forms fine lamellar intergrowths with hdgbomite...higher than Fe3+-Feratios characteristicof spinel-hercynite and ferromagnesiansilicates,but similar to the |  | | Journal (article/letter/editorial) | | t976), W. Greenland (Aekermand et al., 1983), India (Grew et al., 1987) and Antarctica (Grew et al....A Y ilmenite-ores from the Sogn district and from the Bergen district associated with iron-ores in anorthositic...for the two hOgbomites. Spinels are principally hercynite-spinel solid solutions with low gahnite (MA 818:1...Increase of the gahnite component will stabilise hercynite-spinel solid solutions with decreasing temperatures...kornerupine-cordierite-silliminate rocks from Ellammankovilpatti, Tamil Nadu, India. Ibid. 95, 21-31. - - D r u g o |  | | Journal (article/letter/editorial) | | modules (S) where the spinel modules have ideally hercynite composition. Ferrohögbomite has been described...the ferrohögbomite-2N2S grains are rimmed by hercynite, Fe0.57Zn0.26Mg0.18Al2O4, which separates them...spinel module is derived from spinel, MgAl2O4, hercynite, FeAl2O4, or gahnite, ZnAl2O4. According to the...ilmenite and högbomite, pseudorutile, magnetite, and hercynite. Fig. 2. Back-scattered electron image of the...grains are closely associated with green spinel (hercynite), where spinel is usually found between ferrohögbomite-2N2S |  | | Journal (article/letter/editorial) | | Benson Mine District, Adirondack Mountains, New York and the Manitouwadge Massive Sulfide District, Ontario...(Ilm)-biotite-almandine (Alm)-sillimanite (Sil)-quartz (Qz)-hercynite (Hc)-corundum (Cor)-rutile (Ru). At Manitouwadge...h6gbomite is found with gedrite-eordierite-staurolite-hercynite-magnetite_+ quartz + ilmenite _+futile + biotite...- T i ores, Madangere, Ankola Taluk, Karnataka, India Coolen (1981) Calcsilicate granulite, Furua, Tanzania...South Africa Kornerupine-sillimanite gneisses, India Benson Mine, New York Manitouwadge, Ontario Beukes |  | Owens, B. E., Belkin, H. E., Zerolis, J. M. (2013) Margarite, corundum, gahnite and zincohögbomite in a blackwall, Raleigh Terrane, Eastern Piedmont Province, USA. Mineralogical Magazine, 77 (7) 2913-2929 doi:10.1180/minmag.2013.077.7.03 | Journal (article/letter/editorial) | | + H2O = högbomite which can be written with hercynite as a reactant as follows (Petersen et al., 1989):...5FeAl2O4 + 3Al2O3 + TiO2 + H2O = Fe5Al16TiO30(OH)2 hercynite corundum rutile högbomite Origin of various...leading to the formation of corundum from the hercynite component is: This reaction seems appropriate...TiO2 + H2O + O2 = Zn7Al18Fe2TiO38(OH)2 gahnite hercynite rutile zincohögbomite 3FeAl2O4 + O2 = Fe3O4...Heimann et al. (2005) utilized a ternary plot of hercynite-gahnite-spinel proportions to illustrate zincian |  | | Journal (article/letter/editorial) | | = garnet Grs = grossular Hem = hematite Hc = hercynite Hog = hoegbomite Ilm = ilmenite Kfs = K-feldspar...crystallization of the two minerals from the melt. Minor hercynite, magnetite and ilmenite occur in the mesosomes... quartz, plagioclase, sillimanite and rarely hercynite and corundum. Embayments filled by quartz, plagioclase...prismatic; in the leucosome it is associated with hercynite and magnetite. Cordierite is present in the mesosomes...porphyroblasts, with garnet, sillimanite, biotite, hercynite and magnetite inclusions. In the leucosomes it |  | | Journal (article/letter/editorial) | | between the end members ZnA1204 and FeAlzO4 (hercynite), the latter making up about 313 tool%. Cr203...7n0 2o v v ~o v "~ 6o ~ ~ ao ~ ~_ Hercynite etc Fe0tot (+Mg0, Mn0} Fig. 3a, b. Chemical...phases diaspore, titanian hematite, and gahnite. Hercynite, FeAlaO4, is only present in minor amounts of...compositions were not encountered. Endmember hercynite shown in parenthesis is for referenceonly 323...kornerupine-cordierite-sillimanite rocks from Ellammankovilpatti, Tamil Nadu, India. Contrib Mineral Petrol 95:21-31 |  | Cámara, Fernando, Cossio, Roberto, Regis, Daniele, Cerantola, Valerio, Ciriotti, Marco E., Compagnoni, Roberto (2018) Beltrandoite, a new root-name in the högbomite supergroup: the Mg end-member magnesiobeltrandoite-2N3S. European Journal of Mineralogy, 30 (3) 545-558 doi:10.1127/ejm/2017/0029-2692 | Journal (article/letter/editorial) | | associated as inclusions to relict pre-Alpine hercynite spinels and dolomite in cm- to dm-long darker...supergroup have modules of aluminous spinels (spinel, hercynite or gahnite). Therefore, the prefixes magnesio-...the image, a corundum grain is in contact with hercynite. (b) Magnesiobeltrandoite-2N3S crystal showing...aluminous clinochlore, ilmenite and chromium-rich hercynite. In the matrix, clinochlore shows sharp zoning...to Fe-Al-rich clinochlore þ ilmenite þ Cr-rich hercynite, and (b) the Fe-richer zoned rims in spinel grains |  | | Journal (article/letter/editorial) | | Fe-rich högbomite the spinel module corresponds to hercynite, FeAl2O4. In the spinel module the octahedral...module is equivalent to gahnite, ZnAl2O4, or hercynite, FeAl2O4. Pengzhizongite-6T (Chen et al. 1989)...1963), and 1.65 Ti pfu for a sample from Letaba district, Transvaal (Nel 1949), to 1.0 Ti pfu for högbomite...kornerupinecordierite-sillimanite rock from Tamil Nadu, India (Grew et al. 1987), this sample has only 0...in ferrohögbomite the S module is derived from hercynite Fe2+Al2O4. A new polysome nomenclature has been |  | Shimura, T., Akai, J., Lazic, B., Armbruster, T., Shimizu, M., Kamei, A., Tsukada, K., Owada, M., Yuhara, M. (2012) Magnesiohogbomite-2N4S: A new polysome from the central Sor Rondane Mountains, East Antarctica. American Mineralogist, 97 (2) 268-280 doi:10.2138/am.2012.3827 | Journal (article/letter/editorial) | | 0 0.5 (1) magnetite association, (2) spinel-hercynite association, and (3) independent grains. In Antarctica...kornerupine-cordierite-sillimanite rocks from Ellammankovilpatti, Tamil Nadu, India. Contributions to Mineralogy and...belt at Venugopalapuram, Vizianagaram district, Andhra Pradesh, India: do such lenses have a tourmalineenriched...from the Palghat-Cauvery Suture Zone, southern India. Journal of Mineralogical and Petrological Sciences...Sittampundi layered anorthosite complex, South India. American Mineralogist, 94, 1520–1534. Shannon, |  | Reddy, K. Mahender, Mishra, Niharika, Simi, T. S., Rath, Sonali, Paul, Arijit, Sari, S. (2023) Special Publication Vol. 1-I (77), A Manual of the Geology of India : Precambrian Part I, Southern part of the peninsula (5th ed.) Geological Survey of India | Report (edition) | | © INDIA, GEOLOGICAL SURVEY (2023) Compiled by Sri. K. Mahender Reddy, Director (Retd.), GSI, Smt...Published by The Director General Geological Survey of India 27, Jawaharlal Nehru Road Kolkata- 700016 Price...former Directors Generals, Geological Survey of India (GSI), for reposing faith on us by entrusting this...of the publication “A Manual of the Geology of India”(vol-I Part-I), Precambrian of Southern Part of...Additional Director General & HOD Geological Survey of India, Southern Region for providing infrastructural support |  | | Report (volume) | | 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...Ca-Th-REE borosilicate from the Vico volcanic district (Latium, Italy). Eur J Mineral 7:439-446 Matsubara...group from the Little Three mine pegmatite, Ramona district, San Diego County, California. Am Mineral 76:1998-2002 | | | Report (volume) | | 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...Vicanite-(Ce): a new borosilicate from the Vico volcanic district (Latium, Italy). Eur J Mineral 7:439-446 Ca-Th-REE...group from the Little Three mine pegmatite, Ramona district, San Diego County, California. Am Mineral 76: |  | | Book | | Tassinari, MMML 9 3 Metallogeny of Culampajá Gold District, Argentina Avila, JC, and Lazarte, JE 4 Systematic...Schist Belt, Western Dharwar Craton, Karnataka, India Sunder Raju, PV and Merkle, RKW 657 Mineralogical...analysis. 16 METALLOGENY OF CULAMPAJÁ GOLD DISTRICT, ARGENTINA Julio C. Avila1,2*, José E. Lazarte1... Argentina Abstract The Culampajá auriferous district is located in Catamarca, Argentina, and belongs...important is the Culampajá district [1]. The Culampajá auriferous district is located in the northern |
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