 | | Journal (article/letter/editorial) | | Talc-Phengite Assemblage in Piemontite Schist from Brezovica, Serbia, Yugoslavia by K. ABRAHAM and W. SCHREYER...containing piemontite, spessartine, quartz, chlorite, hematite, braunite, and occasional phlogopite. The resulting...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...rare phlogopite. The opaques are predominantly hematite and, confined to certain layers, minute crystals |  | | Journal (article/letter/editorial) | | JURASSIC AGE OF METAMORPHISM AT THE BASE OF THE BREZOVICA PERIDOTITE (YUGOSLAVIA) MARTIN OKRUSCH, EBERHARD...from the metamorphic sequence at the base of the Brezovica peridotite were dated by the K-Ar method. Two...to Upper Jurassic times. If one interprets the Brezovica sequence as a dynamo-thermal aureole, the cooling...The metamorphic sequence at the base o f the Brezovica peridotite is currently regarded as one o f the...uninfluenced Fig. 1. Geological map of the area west of Brezovica after Karamata [ 14]. Inset map: ophiolites (black) |  | | Journal (article/letter/editorial) | | quartz+piemontite + sursassite + braunite + Mg-chlorite + hematite + rutile+titanite. The Mn-Al-silicate sursassite...quartz+piemontite+ spessartine + braunite + Mg-chlorite + hematite + phengite + phlogopite + rutile. Rare sursassite...braunite + quartz = spessartine + clinochlore_+ hematite + H20 4- 02 (1) sursassite + braunite + phengite..._4-hematite + H20 + 02 (2) and in braunite-free assemblages sursassite + Mn 3 +Fe3_~ [hematite, piemontite]...piemontite] + hematite + quartz = spessartine + clinochlore + H20 + Oz (3) Reactions (1) to (3) have |  | 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...Schreyer (1983) at pressures above 22kbar under a hematite-magnetite buffer and it was shown to be stable...at Chikla (Bhandara District, Maharashtra) and Tirodi and Netra (Balaghat District, Madhya Pradesh). In...(i) Garnet + quartz + hematite + alkali feldspar; (ii) Garnet + braunite + hematite + alkali feldspar; (iii)...(iii) Garnet + jacobsite + pyroxmangite + quartz + hematite + tirodite + alkali feldspar (only at Tirodi and |  | | Journal (article/letter/editorial) | | metaradiolarite layer (cf. Chopin, 1978), and a piemontite-, hematite-, braunite- and barytes-bearing layer of a dolomitic...with phengite in a phengite-rich layer along with hematite, some chlorite, and rare spessartine and phlogopite...expressed as Fe2O3 in 6-255 and 6-242, which are hematite- and piemontite-bearing samples. The Fe J+ /Fe...additional component Fe 2 O 3 is essentially present as hematite. The samples concerned are 6-242 and 6-255. (ii)...same minerals (quartz, piemontite, spessartine, hematite, braunite and the four phyllosilicates talc, phengite |  | | Journal (article/letter/editorial) | | France. They occur both in oxidised metachert with hematite and braunite (þ minor Mn-pyroxenoid and tirodite...with rhodonite, kutnahorite or rhodochrosite, and hematite. 3: Amphibolite-facies, Maharastra, India (Sastri...zone of a contact aureole (P ¼ 1.0–1.2 GPa), Brezovica, Serbia (Schreyer and Abraham, 1977), with howeite...pyroxmangite, rhodochrosite, jacobsite, quartz and hematite. 7: Blueschist facies (>1.0 GPa, 450–500 C)...quartz, microcline, albite, biotite, epidote, hematite, titanite and zircon). 9: Ultrahigh-temperature |  | | Journal (article/letter/editorial) | | suggesting an oxidation state higher than magnetite–hematite buffer (Fig. 3). No significant chemical zonation...the system Na–Ca–Mg–Fe–Al–Si–H–O–C with excess hematite, H2O and CO2. The stability fields of Tlc + Ky...assemblage (Grt) are highlighted; note that quartz, hematite, and dolomite are also stable in these fields....Mautia Hill. Although our sample does not bear hematite that was described in the Hbl–Ky–Tlc–Qz schist...comparison, clinoamphibole (mostly ‘hornblendic’) in hematite–bearing mafic schists of the biotite–zone of Sambagawa |  | | Journal (article/letter/editorial) | | rutile; llm ilmenite; Py pyrite; Po pyrrhotite; Hem hematite; Ccp chalcopyrite; Cbn carbonate; Tlc talc; Tur...(US3705) is mainly composed of garnet, magnetite, hematite, sodic amphibole and stilpnomelane with subordinate...and classified them into three groups: hematite-beating, hematite-free, and pyrrhotite-bearing, in decreasing...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 |  | | Journal (article/letter/editorial) | | (Ardennes) (Kramm, 1973) and amphibolite facies (Brezovica, Yugoslavia) (Karamata et al., 1970). Without...et al. (1970) propose, that the coticules of Brezovica, Yugoslavia, had been formerly cherty marine sediments...% O 3 in the shales, which are usually rich in hematite, a m o u n t s to 10-20 wt %, whereas the coticules...types, which is due to the presence o r absence of hematite. The d i s t r i b u t i o n of m a n g a n e...Regarding a chloritoid formation from kaolinite and hematite which is described for the surrounding Salmian |  | | 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...tremolite and phlogopite, quartz and Mn-bearing hematite. Distinctive mineralogical layering is characteristic...phlogopite and hematite indicate that during crystallization, oxygen fugacity was above the hematite-magnetite |  | | Journal (article/letter/editorial) | | unaltered lenses is braunite + quartz + spessartine -+ hematite; weathered lenses consist of a powdery mixture...piemontite + muscovite + hematite quartz + piemontite + spessartine + muscovite + hematite quartz + piemontite...piemontite + spessartine + braunite + muscovite + hematite In piemontites A1 cation coefficients per 12.5 oxygens... [] + + + o • 80/300/2 Quartz • + + Hematite Magnetite Braunite Rhodochrosite + -I- (3 -I-... + [] + [] + [] • Braunite [] Andros Hematite + [] o central 80/22 80/23 80/242 80/244/2 |  | | Journal (article/letter/editorial) | | Porphyry Deposits of the Buchim–Damjan– Borov Dol Ore District, Republic of Macedonia (FYROM) T. Serafimovskia...copper deposits in the Buchim–Damjan–Borov Dol ore district and their genetic fea tures are considered and...copper deposits in the Buchim–Damjan– Borov Dol ore district discussed in this paper do not exceed 150 kt....giant deposits? The Buchim–Damjan–Borov Dol ore district occupies approximately 150 km2 in the southern...part of the Republic of Macedonia (Fig. 1). The district is distinguished by widespread Tertiary volcanism |  | | 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...from the Hoskins manganese mine in the Grenfell district of NSW. This material was reported to contain...Fig. 1 Location of the Hoskins mine, Grenfell district, and its regional geological setting (modified |  | | Journal (article/letter/editorial) | | along the Cu-Cu20 buffer, and 365" 5 lo" C for the hematite-magnetite buffer. Mn-free clinozoisite and epidote...of this bulk composition is not stable at the hematite-magnetite (HM) buffer at 2 kbar; its thermal stability...cc = calcite = chlorite Ct = garnet Gt HITI = hematite KAS = kyanite, andalusite, sillimanite = K-feldspar...Talc-Phengite Assemblage in Piemontite Schist from Brezovica, Ssrbia, Yugoslavia. Journal of Petrology, 17...1984. Piemontite-bearing rocks from the Olary District, South Australia. Australian Journal of Earth |  | | Journal (issue) | | deerite is found in a blue amphibole-aegirine-hematite-magnetite rock at the boundary between quartzite...the Cottian Alps, Northern Italy; in schist with hematite, stilpnomelane, amphibole, pyrite, and magnetite...treatment of gemstones, and the minerals of the Mogok district. Priced at $129 plus shipping, and clearly worth...Lake, British Columbia; in schist with quartz, hematite, andradite, and ferriwinchite at Maki, Shikoku...calderitic garnet and cummingtonite in metachert at Brezovica, Serbia, where samples span the range from Mn-rich |  | | Journal (article/letter/editorial) | | FeGln—ferroglaucophane, Fs—ferrosilite, Gln— glaucophane, Hem—hematite, Jd—jadeite, Lws—lawsonite, Mg Rbk—magnesioriebeckite...mentary Rocks in the Contact Aureole beneath the Brezovica Harzburgite Massif, Proceedings of the Inter...Nakamura, C. and Enami, M., Prograde Amphiboles in HematiteBearing Basic and Quartz Schists in the Sanbagawa |  | | Journal (article/letter/editorial) | | spinel-magnetite-ilmeno-hematite-plagioclase-enstatitequartz and sapphirine (2 : 2 : 1)-corundum-ilmeno-hematite-phlogopite-plagioclase...sapphirine and spinel with magnetite and ilmeno-hematite in quartzitic rocks suggests that sapphirine was...was formed by a reaction including spinel, hematite and quartz on the educt side. Metamorphic conditions...from Kretz (1983) and the terminology used for hematite-ilmenite and related exsolved phases is from Buddington...retrograde assemblages are also found. Magnetite-ilmeno-hematite aggregates are ubiquitous in the quartzites and |  | Franceschelli, M., Puxeddu, M., Carcangiu, G., Gattiglio, M., Pannuti, F. (1996) Breccia-hosted manganese-rich minerals of Alpi Apuane, Italy: A marine, redox-generated deposit. Lithos, 37 (4) 309-333 doi:10.1016/0024-4937(95)00026-7 | Journal (article/letter/editorial) | | calcite, muscovite, phlogopite, baryte and minor hematite, rutile and apatite. During the Alpine orogeny...350”-380°C were attained; Mn assemblages with hematite and phlogopite indicate f0, > lOAs for T= 350°C...chlorite, cld = chloritoid, ep = epidote, hem = hematite, hln = hollandite, hsm = hausmannite, kut = kutnahorite...(lo-20%) and minor amounts ( < 5%) of piemontite, hematite and Mn-oxide. Typical mineral assemblages are:...(4) br + phl + bix. Minor amounts of apatite, hematite and quartz are also present. Braunite and hollandite |  | | Journal (article/letter/editorial) | | Na-pyroxene (violan), carbonate, quartz, hollandite, and hematite. Zoned grains generally exhibit a decreasing Mn...Piemontites formed in contact or close to braunite ( _ hematite) attained maximum (Mn 3 + + Fe 3 +)A1-1 substitution...omphacite/chloromelanite + CO2 + HzO + HCI +_braunite + hematite = piemontite + tremolite + albite + chlorite +...rutile to form spessartine, calcite, titanite, and hematite by the reactions: piemontite + braunite + C02...C02 = spessartine + calcite + quartz_+ hematite + H 2 0 + 02 (3) and more rarely: piemontite + quartz |  | | Journal (article/letter/editorial) | | synthesized, under the oxygen fugacity of the hematite/magnetite buffer, at pressures not lower than...calderite (Fig. 1), such as pyroxmangite-hematite, rhodonite-hematite, and, especially, rhodonite-jacobsite-quartz...mineral braunite ( 3 M n 2 0 3 . M n S i O 3 ) , hematite and quartz. A t oxygen fugacities differing still...(550-600 ~ C), at which the efficacy of the magnetite-hematite buffer is uncertain (cf. Eugster and Wones 1962;...1962; Huebner 1971), the assemblage pyroxmangites~-hematite developes. It is probably metastable, because |  | | Journal (issue) | | from the Blanchard mine group, Honsonburg mining district, Socorro County, New Mexico, USA 390-399 Carletonville...Hobasburh-Lorraine (1817-1867) 412-413 Quartz with hematite from China 414-418 Mineral Hill, Wakefield, Carroll...zogenaamde "Franciscan" formatie, Laytonville district, Mendocino county, California, USA. De Franciscan... USA; Pinchi Lake, British Columbia, Canada; Brezovica, Joegoslavië; Maki, Kochi Prefecture, Shikoku...minerals from the Franciscan of the Laytonville District, Mendocino County, California", Am. MIneral. 50(1-2) |  | | Journal (article/letter/editorial) | | Abraham and Trochim (1975) Chikla, Bhandara district/India 51.9 I5.3 32.8 Bilgrami (1956) Darmstadt/Germany...those from the Sitasaongi Mine, Chikla, Bhandara District, India with p = 1.40 (0.99 Mn 3§ +0.41 Fe 3§ a...respectively, and from the Goldongri Mine, Panchmahal District, Gujarat State, India, with p=1.43 (0.75 Mn 3§...Manganese silicate minerals from Chikla, Bhandara district, India. Mineral. Mag. 31, 236-244 (1956) 244...Ishibashi, K. : On the paragenesis of piemontite and hematite in the Sambagawa crystalline schist. Sci. Rept |  | | Journal (article/letter/editorial) | | talc, phlogopite, chlorite, garnet, quartz and hematite contains the Si content of 3.55, indicating a...talc-phengite assemblage in piemontite schist from Brezovica, Serbia, Yugoslavia. J Petrol 17:421–439 Albee |  | | 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 |  | | Journal (article/letter/editorial) | | completely replaced by albite, and the groundmass by hematite and chlorite. The vesicular pillow lavas are chemically...= talc, ox = Fe-Ti oxide, sph = sphene, hem = hematite. Downloaded from http://petrology.oxfordjournals...plagioclase-epidote-amphibole-(chlorite)-(quartz)-(hematite)-(white mica) -(calcite)-(sphene) (Fig. 2). Plagioclase...assemblage consists of albite-chlorite-epidote-calcite-(hematite). Prehnite is rare, and pumpellyite and actinolite...le. Quartz, calcite, and iron oxide (commonly hematite) occur locally in accessory amounts. The light-coloured |
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