 | | Journal (article/letter/editorial) | | Talc-Phengite Assemblage in Piemontite Schist from Brezovica, Serbia, Yugoslavia by K. ABRAHAM and W. SCHREYER...manganiferous schist containing piemontite, spessartine, quartz, chlorite, hematite, braunite, and occasional...LOCAL GEOLOGY AND PETROGRAPHY The geology around Brezovica, which lies in southern Serbia some 50 km northwest...the creek Piljevacki Potok, some 2 km WSW of Brezovica. It belongs obviously to a series of manganiferous...thin section of garnet-piemontite schist from Brezovica showing the coexistence of the minerals piemontite |  | | Report (issue) | | 78 (40), 3.06 (35) Chemistry: (1) Laytonville district, California, USA; analysis not given, stated 3+...(Laytonville district, California, USA). Association: Deerite, zussmanite, stilpnomelane, spessartine, riebeckite...manganoan siderite, ferroan kutnohorite (Laytonville district, California, USA). Distribution: In the USA, in...in the Powers quarry, Coos Co., Oregon. From Brezovica, Yugoslavia. In the Tanemaya mine, Kumamoto Prefecture...minerals from the Franciscan of the Laytonville District, Mendocino Co., California. MSA meeting, Bozeman |  | | Journal (article/letter/editorial) | | composition contain the assemblage quartz+piemontite+ spessartine + braunite + Mg-chlorite + hematite + phengite...Abstract. sursassite + braunite + quartz = spessartine + clinochlore_+ hematite + H20 4- 02 (1) sursassite...sursassite + braunite + phengite + quartz = spessartine + phlogopite _4-hematite + H20 + 02 (2) and...[hematite, piemontite] + hematite + quartz = spessartine + clinochlore + H20 + Oz (3) Reactions (1)...breakdown of sursassite and the formation of spessartine during prograde metamorphism of the piemontite |  | KAWACHI, YOSUKE, GRAPES, RODNEY H., COOMBS, DOUGLAS S., DOWSE, MARTIN (1983) Mineralogy and petrology of a piemontite-bearing schist, western Otago, New Zealand. Journal of Metamorphic Geology, 1 (4) 353-372 doi:10.1111/j.1525-1314.1983.tb00280.x | Journal (article/letter/editorial) | | Zealand Abstract. Pink piemontite-spessartine-bearing and grey-green spessartine-bearing manganiferous quartzose...Electron microprobe data are reported for sphene, spessartine-rich garnet, manganoan epidote, piemontite, tourmaline...to below this critical buffering value in a spessartine-rich schist and it was close to or below the...replacement of piemontite by second generation spessartine. Observed zoning and mineral replacements indicate...tend to rise in chlorite, phengite, tourmaline, spessartine, and calcite, Mn increases and Ti decreases in |  | | Journal (article/letter/editorial) | | 1007/s00710-006-0146-4 Coexisting calderite and spessartine garnets in eclogite-facies metacherts of the...mm-size for spessartine) to sharp overgrowths of yellow calderitic garnet on colourless spessartine, to yellow...hundreds of mm in size) overgrowing colourless spessartine and showing evidence of oscillatory zoning, resorption...than 1.0 wt% MgO and 0.8 wt% TiO2 in colourless spessartine, and less than 0.2 wt% MgO and 1.6 wt% TiO2 in...narrower gap, between colourless spessartine and yellow spessartine, whereas the broad compositional |  | Dasgupta, Somnath, Bhattacharya, P. K., Banerjee, H., Fukuoka, M., Majumdar, N., Roy, Supriya (1987) Calderite-rich garnets from metamorphosed manganese silicate rocks of the Sausar Group, India, and their derivation. Mineralogical Magazine, 51 (362) 577-583 doi:10.1180/minmag.1987.051.362.12 | Journal (article/letter/editorial) | | Labrador, Canada), Schreyer and Abraham (1977; Brezovica, Yugoslavia) and Muir Wood (1982; Panoche Pass...at Chikla (Bhandara District, Maharashtra) and Tirodi and Netra (Balaghat District, Madhya Pradesh). In...While the former is comparable with that of spessartine as per the ASTM data file, the latter deviates...thus represents an intermediate member of the spessartine-calderite solid solution. The chemical compositions...insignificant pyrope component. These are predominantly spessartine-rich garnets with 6--8 mole % of the andradite |  | | Journal (article/letter/editorial) | | by Springer-Verlag 1976 The Coticule Rocks (Spessartine Quartzites) of the Venn-Stavelot Massif, Ardennes...Z•tpicher Stra3e 49, D-5000 K6ln Abstract. Thin spessartine-quartzite layers (coticules) are interstratified...diffuse. Phase relations of the phengitebearing spessartine-quartzites including paragonite, chlorite, and...series (= Salmian 2), yellow to white layers of a spessartine-quartz assemblage are repeatedly intercalated...region (Fig. 1). Following Renard (1878), these spessartine-quartzites are called coticules (cos, cotis, |  | | Journal (article/letter/editorial) | | 6-255, talc occurs mostly in the piemontite- and spessartine-bearing, phengite-free layers, but could also...along with hematite, some chlorite, and rare spessartine and phlogopite. Talc and phengite have been observed...per cent of other end members in 7-172; it is spessartine (over 80 per cent end member) in 6-255. Blue...contain the same minerals (quartz, piemontite, spessartine, hematite, braunite and the four phyllosilicates...talc-phengite assemblage in piemontite schist from Brezovica, Serbia, Yugoslavia. J. Petrology, 17,421-39. |  | | Journal (article/letter/editorial) | | piemontite--spessartine and piemontite quartzites (PSQ), containing braunite-rich lenses; (2) spessartine quartzites...change into NpxQ by a decreasing content of spessartine. While SQ is chemically equivalent to a montmorillonitic...montmorillonitic clay + Mn 2÷ + Na ÷, almost spessartine-free NpxQ can be derived from Fe-rich nontronitic...either as lensiform braunite--quartz bodies or as spessartine-, piemontite-, or Na-pyroxene-rich quartzites...of ferromanganoan metasediments (piemontite--spessartine-, spes- sartine- and Na-pyroxene quartzites) |  | IBUKI, Masaru, FUJIMOTO, Yoshikazu, TAKAYA, Masaki, MIYAKE, Akira, HIRAJIMA, Takao (2008) Howieite in meta-manganese siliceous rocks of Kurosegawa belt, western Kyushu, Japan. Journal of Mineralogical and Petrological Sciences, 103 (5) 365-370 doi:10.2465/jmps.080618 | Journal (article/letter/editorial) | | decompose to other manganese minerals such as spessartine, rhodonite and/or piemontite with an increase...minerals from the Franciscan of the Laytonville district, Mendocino County, California. American Mineralogist...S. and Hoshizumi, H. (2005) Geology of Tomochi district. Quadrangle Series, 1 : 50,000, Kagoshima (15)...highpressure indicators from the contact aureole of the Brezovica, Yugoslavia, Peridotite. Neues Jahrbuch für ...regional-metamorphic terrains in the Yatusiro district, Kumamoto Prefecture. Journal of the Geological |  | | Journal (article/letter/editorial) | | com/loi/taje20 Piemontite‐bearing rocks from the Olary District, South Australia P. M. Ashley a a Minerals...(1984) Piemontite‐bearing rocks from the Olary District, South Australia, Australian Journal of Earth...ons Piemontite-bearing rocks from the Olary District, South Australia P. M. Ashley Downloaded by [UNAM...to medium grained rocks contain piemontite, spessartine-rich garnet, albite, phengite, manganoan tremolite...Block, manganese-bearing rocks, piemontite, spessartine-rich garnet, oxygen fugacity INTRODUCTION red/violet) |  | | Journal (article/letter/editorial) | | garnet + anorthite (with garnet becoming more spessartine-rich with decreasing fo,) is highly suggestive...yields a garnet composition of grossular 33 : spessartine 27 : andradite 40. I n order to check these assumptions... + piemontite in nature are uniformly more spessartine-rich than the garnets formed by breakdown of...data are not available. The slight decrease in spessartine content in garnets from amphibolite facies rocks...balance considerations for piemontite breakdown to spessartine garnet in very Mn-rich rocks are suggested by |  | | Journal (article/letter/editorial) | | silicate occurrence at the Hoskins mine, Grenfell district, New South Wales P. M. Ashley a a Department...silicate occurrence at the Hoskins mine, Grenfell district, New South Wales, Australian Journal of Earth...silicate occurrence at the Hoskins mine, Grenfell district, New South Wales P. M. Ashley Downloaded by [Dicle...subordinate carbonates, quartz, hausmannite, spessartine and Ba minerals, and (2) a well-laminated 'oxidized'...from the Hoskins manganese mine in the Grenfell district of NSW. This material was reported to contain |  | | Journal (article/letter/editorial) | | unit (pfu) for O = 12 is less than 2.0; e.g., spessartine-rich garnet in quartz schist in central Shikoku...et al. (1994); c and d pyrope, almandine and spessartine quoted in Deer et al. (1982); grossular and andradite...the Sanbagawa metamorphic terrain in the Besshi district, central Shikoku, Japan. J Geol Soc Jpn 88:887-900...high-pressure indicators from the contact aureole of the Brezovica, Yugoslavia, peridotite. N Jb Mineral Abh 130:114133...eclogites in the Sambagawa metamorphic belt, Besshi district. Japan. J Petrol 25:619-643 Vermaas FHS (1952) |  | | Journal (article/letter/editorial) | | containing rhodonite, tephroite, hausmannite, gamel (spessartine-grossular-andradite), calcium-manganese carbonates...talc-phengite assemblagein piemontite schist from Brezovica, Serbia, Yugoslavia. Journal of Petrology, 17...(1984) Piemontite-bearingrocks from the Olary district, South Australia. Australian Journal ofEarth Sciences...manganesesilicate occurrenceat the Hoskins mine, Grenfell district, New South Wales. Australian Journal of Earth |  | Seidel, Eberhard, Okrusch, Martin, Kreuzer, Hans, Raschka, Helmut, Harre, Wilhelm (1981) Eo-alpine metamorphism in the uppermost unit of the Cretan nappe system ? Petrology and geochronology. Contributions to Mineralogy and Petrology, 76 (3) 351-361 doi:10.1007/bf00375462 | Journal (article/letter/editorial) | | curves, b PH2o=0.4 Ptot, garnet with 7 mole-% spessartine+grossularite, and K-feldspar with 20 mole-% aIbite...ophiolitic m61ange SW of M6ronas, SE part of the district of R6thimnon (24~ 35~ Fig. 1). This rock does...Lovri6 A (1978) The age of metamorphic rocks of Brezovica and its importance for the explanation of ophiolite...Jurassic age of metamorphism at the base of the Brezovica peridotite (Yugoslavia). Earth Planet Sci Lett |  | | Journal (article/letter/editorial) | | of piemontite, braunite, and rutile to form spessartine, calcite, titanite, and hematite by the reactions:...reactions: piemontite + braunite + C02 = spessartine + calcite + quartz_+ hematite + H 2 0 + 02 (3) and...rarely: piemontite + quartz + rutile + braunite = spessartine + titanite + hematite + H 2 0 + 02. (4) 1 Introduction...Albite Muscovite Chlorite Piemontite Thulite Spessartine Tremolite Cymrite Celsian Calcite Braunite Hematite...calculated only in s o m e piemontites from spessartine-bearing samples (see c h a p t e r 5). A p p |  | | Journal (issue) | | mineral assemblage that includes stilpnomelane, spessartine, riebeckite, crocidolite, quartz, aegirine, grunerite...assemblage that includes jadeite, aegirine, spessartine, lawsonite, and alkali amphibole. Also on Corsica...quartz, albite, iron oxide, alkali amphibole, spessartine, stilpnomelane, and apatite. Its formation is...treatment of gemstones, and the minerals of the Mogok district. Priced at $129 plus shipping, and clearly worth...calderitic garnet and cummingtonite in metachert at Brezovica, Serbia, where samples span the range from Mn-rich |  | | Journal (article/letter/editorial) | | stability limits of the common garnet end members spessartine and andradite lie some 800~ above that for calderite...extent, by solid solutions rich in the component spessartine Mn2+AI~+[SiO~Ia . However, in order to account... thus excluding a possible influence of the spessartine and andradite end members. 0) t'N m~ ~ '...those of the garnet end members andradite and spessartine. The experimental curves are from Holland 1980...Maresch 1977 (glaucophane); and Mottana 1974 (spessartine). Abbreviations of the mineral names explained |  | | Journal (article/letter/editorial) | | (1968), who studied the metamorphic aureole of the Brezovica ultramafic massif in south Serbia. Pami6 (1971c)...— 9-7 581 3-2 24-2 4-8 — Pyrope Almandine Spessartine Grossularite Andradite Uvarovitc X •= average...metamorphic rocks around the ultramafic mass of Brezovica (Serbia, Yugoslavia). 23rd Inter. Geol. Cong. |  | | Journal (article/letter/editorial) | | calculation of the slopes in the K F M A S H system. Spessartine was added as an additional phase component to...P-T displacement for incremental changes in spessartine component. Divariant regions in the M n K F M...Pyrophyllite Muscovite K-feldspar Pyrope Almandine Spessartine Phlogopite Annite Mn-biotite Mg-staurolite Fe-staurolite...increases by approximately 35 ~ C for every 10% spessartine + grossular component added to the garnet. Chloritoid...with the garnet becoming zoned with decreasing spessartine and increasing almandine. When the reaction garnet |  | | Journal (article/letter/editorial) | | not developed- In the ferrugineous metacherts, spessartine containing spiral and sigmoidal inclusion trails...Harte & Graham (1975). Garnet Garnet occurs as spessartine in metasediments (locally very abundant in metachert...metamorphic rocks around the ultramafic mass of Brezovica (Serbia, Yugoslavia). 23rd Int. geol. Congr. Prague |  | | Report (volume) | | member of the epidote group from the Itoigawa-Ohmi district, Niigata Prefecture, central Japan. J Mineral...evolution in the Nickel Plate Deposit, Hedley, District, British Columbia. Econ Geol 87:1541-1565 Fluid...evolution in the Groundhog Mine, Central Mining District, New Mexico. Econ Geol 82:523-545 Meinert LD (1992)...Ophir Hill mine Pb-Zn-(Ag) skarn deposit, Ophir district, Tooele County, Utah. Geol Soc Am Abstracts with...in cores. The manganoan epidote occurs with spessartine garnet and one example described by Kawachi et |  | | Book | | Identical Siderite Sillin1anite Smectile Sodalite Spessartine SphaJerite Spine] Spodumene Staurolite Stilbite...Sn1ectite Sphalerite Spodumene Spine! Sapph irinc Spessartine Schor! Serpentine Stauro lite Stilbite Stilpnornelane...1927, p. 139) BIRD'S !::YE SLATE (English Lake District). Type of cleaved tuff with accretionary lapilli...fine-gra ined 1neta1norphic rock consisting of spessartine garnet in a matrix of white mica ± submicroscopic...quartz. Sometin1es used, incorrectly, for all spessartine quartzites. Cf. novaculite. gondite. ( Plinius |  | | Book (volume) | | Dinaric metallogenic province The western Macedonian district Iron ore deposits . Manganese ore deposits Molybdenum...Osogovo—Ograzden ore district The West Rhodope ore district The East Rhodope ore district The Srednogorié...Sofia ore district The Panagyurishté ore district The Yambol ore district . The Burgas ore district The Malko...Malko Tirnovo ore district structiralemersllogents The _ Kraishtide zone 189 xi The Balkan structural—metallogenic...Chiprovtsi—Martinovo ore district The Sedmochislenitsi ore district The Troyan ore district . The Moesian st |
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