| | Journal (article/letter/editorial) | GEOLOGISKE UNDERSĂGELSE BULLETIN No. 12. ON SAPPHIRINE FROM WEST GREEN LAND BY HENNING SĂRENSEN WITH...UNDERSĂGELSE TI ULLETIN No. 12. ON SAPPHIRINE FROM WEST GREENLAND BY HENNING SĂRENSEN WITH 2 FIGURES...BIANCa LUNaS BOGTRYKKERI A/S 1955 ON SAPPHIRINE FROM WEST GREENLAND BY HENNING SĂRENSEN WITH 2 FIGURES... Abstract. Two ne\v occurrences of sapphirine from West Greenland are described. In the first of them...them (from Sukkertoppen District) sapphirine is present as rims of reaction around grains of corundum in | | | Journal (article/letter/editorial) | BULLETIN No. I. ON SAPPHIRINE-BEARING ROCKS IN THE VICINITY OF SUKKERTOPPEN (WEST GREENLAND) BY HAr\S HAMI3EHG...BULLETIN No.1. ON SAPPHIRINE-BEARING ROCKS IN THE VICINITY OF SUKKERTOPPEN (WEST GREENLAND) BY HANS RAMBERG... CONTENTS 1'age Preface . Inlroduction 5 . G The sapphirine-carrying complex. The minerals . Discussion ...to contain the eomparatively rare mineral of sapphirine, and a brief examination of these rock specimens...banded and veinod gneiSSâŹR along the west coast of Greenland, the gl'anodioritic gnciss of Sukkertoppon and | | | Journal (article/letter/editorial) | Japan. GNL CORRESPONDENCE First Report of Sapphirine-bearing Rocks from the PalghatCauvery Shear Zone...within the Palghat-Cauvery Shear System contain sapphirine in association with corundum, spinel and sillimanite...collision boundary in southern India. Key words: Sapphirine-corundum-spinel, mineral chemistry, ultrahigh-temperature...characteristic mineral associations including sapphirine, orthopyroxene, sillimanite and spinel (Harley...and Motoyoshi, 2000; Tsunogae at al., 2002). Sapphirine-bearing aluminous rocks have been described from | | | Journal (article/letter/editorial) | Mineralogist, Volume 73, pages692-700, 1988 Sapphirine granulites from the Kakanuru area, Eastern Ghats...Andhra University, Waltair, India 530003 Ansrnrcr Sapphirine in the granulitic terrane of the Eastern Ghats...Ghats, near Kakanuru, India, has three modes of occurrence:(l) as a dominant mineral in a rock of possible...These P- ?" conditions are in accordancewith the sapphirine paragenesis.The temperature estimate from the...accompaniedby hydration and metasomatism. INrnoouctIoN Sapphirine-bearinggranulitesare very useful in deducing | | | Journal (article/letter/editorial) | com/loi/tigr20 METASOMATIC ZONALITY AND GENESIS OF SAPPHIRINE-BEARING ROCKS IN THE BUG REGION E. B. Nalivkina...Nalivkina (1961) METASOMATIC ZONALITY AND GENESIS OF SAPPHIRINE-BEARING ROCKS IN THE BUG REGION, International...18:30 11 February 2015 ABSTRACT Precambrian sapphirine-bearing rocks were discovered in the core of...phlogopite; IV. Sapphirine -corundum- microcline -biotite; V. Corundum- sillimanite - sapphirine-microcline;...e; VI. Sillimanite-sapphirine-corundum-prismatine-microcline. The minerals are not unstable together | | | Journal (article/letter/editorial) | Petrol (1984) 88:102-112 9 Springer-Verlag 1984 Sapphirine bearing granulites from the Sipiwesk Lake area...Western Ontario, London, Ontario, Canada Abstract. Sapphirine occurs in the orthopyroxene-cordierite and ...wt %) and MgO (24.6 wt %) contents and contain sapphirine (up to 69.2 wt % A1203), aluminous orthopyroxene...and corundum, Sapphirine forms coronas mantling spinel and corundum. Corona sapphirine is zoned and its...contact. Textural and chemical relationships of sapphirine with coexisting phases indicate that spinel + | | Giovanardi, Tommaso, Morishita, Tomoaki, Zanetti, Alberto, Mazzucchelli, Maurizio, Vannucci, Riccardo (2013) Igneous sapphirine as a product of melt-peridotite interactions in the Finero Phlogopite-Peridotite Massif, Western Italian Alps. European Journal of Mineralogy, 25 (1) 17-31 doi:10.1127/0935-1221/2013/0025-2251 | Journal (article/letter/editorial) | 17â31 Published online October 2012 Igneous sapphirine as a product of melt-peridotite interactions...S. Eufemia 19, 41100 Modena, Italy Abstract: Sapphirine is generally interpreted to be of metamorphic...Igneous sapphirine, i.e. sapphirine crystallised from melt, is very rare. We examined sapphirine-bearing...to investigate a possible igneous origin for sapphirine by crystallisation from a melt, acquiring particularly...melt-rock reaction and fractional crystallisation. Sapphirine locally occurs in melanocratic zones placed between | | | Journal (article/letter/editorial) | State Museum in Albany. Serendibite, Sinhalite, Sapphirine, and Grandidierite from the Adirondack Mountains...E M I N E R A L S , seren dibite, sinhalite, sapphirine, and grandidierite, occur in as sociation at...collected at Johnsburg. He remarked that the occurrence at Johnsburg resembled the one in Sri Lanka,...sinhalite, thus rep resenting the second known occurrence of this mineral. In asmuch as all Sri Lankan...magnification in cross nicols appears dull gray. Sapphirine, (Mg,Al) (Al,Si) O , at Johnsburg appears to | | Lal, R. K., Ackermand, D., Seifert, F., Haldar, S. K. (1978) Chemographic relationships in sapphirine-bearing rocks from Sonapahar, Assam, India. Contributions to Mineralogy and Petrology, 67 (2) 169-187 doi:10.1007/bf01046574 | Journal (article/letter/editorial) | Springer-Verlag 1978 Chemographic Relationships in Sapphirine-Bearing Rocks From Sonapahar, Assam, India R...Germany Abstract. Silica-deficient rocks in which sapphirine coexists with cordierite, gedrite, chondrodite...relics within cordierite in one sample of the sapphirine-spinel-cordierite-phlogopite-bearing rock. Sapphirines...brucite > gedrite > cordierite > phlogopite > sapphirine > spinel. The consistent topology of the observed...- S i O 2 - A I 2 0 3 - - H 2 0 . The stable occurrence of the spinelcordierite and spinel-sillimanite | | | Journal (article/letter/editorial) | Mineralogist Vol. 43, pp. 463-478 (2005) AN OCCURRENCE OF SAPPHIRINE IN THE ARCHEAN SUPERIOR PROVINCE, NORTHERN...H2X 3Y7, Canada ABSTRACT A clast containing sapphirine has been found in the Troie Complex in the Archean...matrix. The clast contains sapphirine as symplectitic rims with plagioclase or K-feldspar (or with both)...cordierite. Sapphirine also forms a corona around green hercynite, with Kfeldspar rimming the sapphirine. Reaction...preserve these mosaic textures. Keywords: Archean, sapphirine, thermobarometry, granulite, metasedimentary | | | Journal (article/letter/editorial) | Newton Fig. 2. Examples of CO2 inclusions in sapphirine-bearing granulites from central Sri Lanka (Bolder-Schrijver...primary ďŹuid inclusions in orthopyroxene and plagioclase. (b) Primary ďŹuid inclusions in garnet. Arrow:...(Touret and Huizenga, 2011). It includes quartzâplagioclase intergrowths (myrmekite) occurring along the...In this reaction, K-feldspar is replaced by plagioclase and quartz under the inďŹuence of Ca and Na-bearing...distance of a few decimetres, high-grade minerals (plagioclase, hornblende, garnet) are ďŹrst replaced by albite | | | Journal (article/letter/editorial) | crust. The dominant rock types are charnockites, sapphirine-bearing granulites, garnet cordierite gneisses...SHRIMP UâPb ages from zircon associated with sapphirine-bearing granulite facies rocks of Perumalmalai...widespread Ediacaran tectonothermal event. The occurrence of Ediacaran UHT metamorphism followed by isothermal...(ultrahigh-temperature) metamorphism via preservation of sapphirine-bearing granulites that occur as enclaves within...Kelsey and Hand 2015). Metamorphic evolution of sapphirine-bearing granulites from Madurai Block has provided | | | Journal (article/letter/editorial) | India have similar lithologies, in particular, sapphirine bearing pelitic assemblages . Graphite deposits...us cha r no c k it e (orthopyroxene-biotite-plagioclase-Kfeldspar-quartz) is the most dominant rock type...Perthitic K-feldspar is the dominant mineral. Plagioclase (An 30 %) and quartz constitute 50 YO of the...bodies: The assemblage orthopyroxeneclinopyroxene-plagioclase is typical. Garnet is present only at the contacts...symplectitic orthopyroxene (X Mg - 0.54) + calcic plagioclase assemblage after garnet is quite common to the | | | Journal (article/letter/editorial) | journal homepage: www.elsevier.com/locate/gr Sapphirine-bearing Fe-rich granulites in the SW Siberian...t We report here for the ďŹrst time the occurrence of sapphirine-bearing rocks within the Paleoproterozoic...conditions in this region. The UHT rocks contain sapphirine, high alumina orthopyroxene, orthopyroxene +...interaction near the peak metamorphic conditions. Sapphirine grains occur in the gneiss with relatively low...low Mg bulk composition. It is suggested that sapphirine occurs in the Mg-Al-rich domains which have been | | | Journal (article/letter/editorial) | the stability of the 1Tc and 2M polytypes of sapphirine Andrew G. Christy Department of Earth Sciences...content and mean oxidation state o f iron in sapphirine are important in this respect. Fe 2 + stabilises...host rocks, and estimates for the conditions of sapphirine crystallisation, where obtainable, suggest that...existence of a second structural modification of sapphirine, in addition to the monoclinic form whose structure...reported by McKie (1963). This polytype (termed ' sapphirine-1 Tc' here, to maintain consistency with previous | | | Journal (article/letter/editorial) | Petrology 9 Springer-Verlag 1986 Formation of sapphirine during retrogression of a basic high-pressure...S61vegatan 13, S-223 62 Lund, Sweden Abstract. Sapphirine-bearing rocks occur in the northern part of...Gneiss Region, Vestranden, central Norway. The sapphirine-bearing rocks are characterized by a high MgO/(MgO+FeO)...anorthite, andesine, sapphirine and corundum. Textural relationships suggest that sapphirine formed by the reaction:...reaction: spinel§ kyanite --* sapphirine + corundum, and probably also by a reaction between corundum | | | Journal (article/letter/editorial) | Vizianagram, Eastern Ghats Belt, India, and genesis of sapphirine-bearing assemblages S. SARKAR,1 S. DASGUPTA1...petrogenetic grid approach and thermobarometry. Sapphirine is developed in sillimanite-bearing acid pegmatite...contact with the pegmatite. Both sillimanite and sapphirine in the pegmatite are considered to be magmatic...the intrusion of pegmatite was responsible for sapphirine formation in the spinel granulite. Key words:...words: Al-metasomatism; Eastern Ghats Belt; sapphirine bearing pegmatite; spinel granulite; UHT metamorphism | | | Journal (article/letter/editorial) | (1980) 9 by Springer-Verlag 1980 Osumilite-Sapphirine-Quartz Granulites From Enderby Land, Antarctica:...Hobart, Tasmania, Australia Abstract. Osumilite-sapphirine-quartz granulites from Enderby Land, Antarctica...reaction coronas found in these rocks. The common occurrence elsewhere of mineral reaction during uplift,...coexisting garnetcordierite, in which spinel-quartz, sapphirine-quartz, hypersthene-sillimanite-quartz and osumilite...0010-7999/80/0074/0201/$02.00 202 D.J. Ellis: Osumilite-Sapphirine-Quartz Granulites From Enderby Land, Antarctica | | Janardhan, A.S., Sriramguru, K., Basava, Sharana, Shankara, M.A. (2001) Geikielite-Mg.Al.Spinel -Titanoclinohumite Association from a Marble Quarry near Rajapalaiyam Area, Part of the 550 Ma Old Southern Granulite Terrain, Southern India. Gondwana Research, 4 (3) 359-366 doi:10.1016/s1342-937x(05)70335-x | Journal (article/letter/editorial) | present study), Ambasamudram localities along with sapphirine bearing localities. in the deformed zone, where...drawn out lenses in the marble (Fig. 2b). The occurrence of charnockite as pods may be attributed to subsequent... 2c. Large Mg.Fe.Al.spine1 co-existing with plagioclase -phlogopite-clinopyroxene- Fig. 2d. Dark (with...conditions of the SGT have been deduced from the sapphirine bearing pelitic assemblages in the Kodaikanal...pargasitic in composition. The decreasing modal plagioclase content and increasing spinel component can be | | | Journal (article/letter/editorial) | Metamorphic History of Sapphirine-bearing and Related Magnesian Gneisses from Namaqualand, South Africa...Town, Rondebosch, 7700 South Africa ABSTRACT Sapphirine occurs with cordierite, phlogopite, spinel, sillimanite...gneisses reveal a three-stage textural history. Sapphirine appeared during a second stage of prograde mineral...delineation of the stable mineral associations of sapphirine in the system KjO-MgO-FeO-A^C^-SiOj-HjO under...of P-T slopes of sapphirine equilibria. The mineral textures thus indicate sapphirine growth under increasing | | | Book (volume) | clinopyroxene in olivine-plagioclase orthocumulate, Skaergaard intrusion, east Greenland. Crossed polars x60...polars x60. D. Orlhopyroxene with exsolved plagioclase lamellae, Nain anorthosite, Labrador. Crossed...Wollastonite Pectolite Bustamite Rhodonite Pyroxmangite Sapphirine Aenigmatite Rhonite Serendibite 547 564 57 5...and chemistry of the formation ofclinopyroxene-plagioclase symplectite from omphacite. Neues Jahrb. Min...) in a lunar norite. Smyth suggested that its occurrence was related to the inferred extremely slow cooling | | | Journal (article/letter/editorial) | orthopyroxene, quartz, feldspars and locally sapphirine (Hermans et al. 1976) or osumilite (Maijer et...garnet I, biotite I, sillimanite I, sapphirine I, quartz, plagioclase and perthite. This stage probably... cordierite I, hercynite-magnetite, quartz, plagioclase, perthite or mesoperthite and, near the plutons...garnet II, sillimanite II, sapphirine II, orthoclase, quartz and plagioclase give evidence for the M 3...temperature of 900~ for the Al-rich bronzite of the sapphirine-bearing rocks. Jacques de Dixmude (1978) has | | | Journal (article/letter/editorial) | (2007) 492 â 503 www.elsevier.com/locate/gr Sapphirine + quartz assemblage in contrasting textural modes...September 2006 Abstract Stability of the assemblage sapphirine + quartz in MgâAl-rich granulites implies ultrahigh...relations between sapphirine and quartz in different parts of the same occurrence of a MgâAl-rich granulite...data suggest stabilization of the assemblage sapphirine + quartz with orthopyroxene and cordierite during...the stability of this assemblage. Most of such sapphirine grains (Spr1) are texturally separated from quartz | | | Journal (article/letter/editorial) | doi:10.1111/j.1525-1314.2011.00954.x Stability of sapphirine + quartz in the oxidized rocks of the Wilson...USA ABSTRACT The equilibrium coexistence of sapphirine + quartz is inferred to record temperatures in...potential for sapphirine to contain signiďŹcant Fe3+ suggests that the stability of sapphirine + quartz could...Grenville Province of central Labrador preserves sapphirine + quartz-bearing assemblages in highly oxidized...provides an opportunity to explore the stability of sapphirine + quartz in such rock compositions within the | | | Journal (article/letter/editorial) | (1980) 9 by Springer-Verlag 1980 Osumilite-Sapphirine-Quartz Granulites From Enderby Land Antarctica...Antarctica, contain coexisting spinel-quartz, sapphirine-quartz, hypersthene-sillimanite-quartz and osumilite...compositions, garnet, cordierite, hypersthene, sapphirine and sillimanite cannot coexist with both osumilite...limit the stability field of cordierite, such as sapphirine-quartz, hypersthene-sillimanite (or kyanite).../$04.20 124 D.J. Ellis et al. : Osumilite-Sapphirine-Quartz Granulites From Antarctica are rare in |
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