 | | Journal (article/letter/editorial) | | and its metamorphic envelope (West Sudetes, SW Poland) ANDRZEJ KOZŁOWSKI, SŁAWOMIR ILNICKI*, WITOLD MATYSZCZAK...Warsaw, Al. Żwirki i Wigury, 93, PL-02-089 Warszawa, Poland. *E-mail: slawomir.ilnicki@uw.edu.pl ABSTRACT:...and its metamorphic envelope (West Sudetes, SW Poland) Acta Geologica Polonica, 66 (3), 451–471. Warszawa...322–312 Ma) and its surroundings in West Sudetes (SW Poland) have provided data on Nb-Ta-REE minerals from... KARKONOSZE GRANITE AND ITS METAMORPHIC ENVELOPE, SW POLAND geochemical features, the isotope age of the distinguished |  | | Book (volume) | | e Pargasite—Ferro-pargasite Magnesio-hastingsite—Hastingsite Magnesio-sadanagaite—Sadanagaite Kaer...site Winchite—Ferro-winchite Magnesio-katophorite—Katophorite Magnesio-taramite—Taramite Sodic Amphiboles...Amphiboles Glaucophane-Ferro-glaucophane Magnesio-riebeckite—Riebeckite Eckermannite-Ferro-eckermannite L...Leakeite—Ferro-leakeite Kornite Ungarettiite Kozulite Magnesio-arfvedsonite—Arfvedsonite Nybd6ite—Ferro-nybéite...Minerals, three new minerals from the Laytonville Quarry, California were named by S. O. Agrell after the |  | | Journal (article/letter/editorial) | | Oligocene to Lower Miocene Krosno Formation sandstones in the Skole Nappe (southeast Poland): New insights...Geological Sciences, Jagiellonian University, Kraków, Poland Heavy minerals have been studied in order to address...University, Kraków, Poland. Email: dorota.salata@uj.edu.pl Skole Nappe (Poland). The heavy mineral composition...metamorphic origin, mainly from pelites affected by amphibolite facies conditions. The Krosno Formation was deposited...Handling Editor: C. Frassi between the Skole and Silesian basins. Chemical composition of provenance sensitive |  | | Journal (article/letter/editorial) | | green amphibole + titanite and colourless magnesio-hornblende, respectively, that are thought to record...assemblages that decrease in grade from granulite–amphibolite facies immediately in contact with overlying...overlying basal peridotites to greenschist facies at lower structural levels (Jamieson, 1980). In early investigations...structurally higher Old Lizard Head Series and lower Man of War Gneiss (Fig. 1). The Man of War Gneiss...comprises mica schists, garnet mica schists and hornblende mica schists. Using SHRIMP U–Pb zircon dating | | | Journal (article/letter/editorial) | | green amphibole + titanite and colourless magnesio-hornblende, respectively, that are thought to record...assemblages that decrease in grade from granulite–amphibolite facies immediately in contact with overlying...overlying basal peridotites to greenschist facies at lower structural levels (Jamieson, 1980). In early investigations...structurally higher Old Lizard Head Series and lower Man of War Gneiss (Fig. 1). The Man of War Gneiss...comprises mica schists, garnet mica schists and hornblende mica schists. Using SHRIMP U–Pb zircon dating |  | | Journal (article/letter/editorial) | | partly or completely at conditions of the upper amphibolite to granulite facies. The development of sagvandites... terrane; A/G border between greenschist to amphibolite facies and granulite facies terranes. 1). Most...assemblages equilibrated during upper amphibolite to hornblende-granulite facies metamorphism. Geochemical...Srikantappa, 1979; Janardhan et al., 1979). Upper amphibolite to granulite grade was attained during the last...dunite, harzburgite, minor lherzolite, bronzitite, hornblende peridotites to mafic gabbro, gabbro and anorthositic |  | RÖtzler, , Carswell, , Gerstenberger, , Haase, (1999) Transitional blueschist-epidote amphibolite facies metamorphism in the Frankenberg massif, Germany, and geotectonic implications. Journal of Metamorphic Geology, 17 (1) 109-125 doi:10.1046/j.1525-1314.1999.00183.x | Journal (article/letter/editorial) | | 16, 109–125 Transitional blueschist–epidote amphibolite facies metamorphism in the Frankenberg massif...a final low-pressure overprint which spanned amphibolite facies to prehnite–actinolite facies temperatures...Iberian massif is thought to have formed in the lower part of a thrust pile at c. 330 Ma (Gil Ibarguchi...stage (c. 1050 °C, 20–22 kbar) to low-pressure amphibolite facies conditions (Rötzler, 1992; Hagen et al...Ordovician to Upper Devonian, and, at the top, suspected Lower Carboniferous flysch (Heuse, 1994; and references |  | | Journal (article/letter/editorial) | | related to an influx of hydrous fluids under lower amphibolite-facies conditions, and is indicated by the...multi-stage metamorphic overprints. An initial amphibolite-facies overprint generated a distinctive texture...from infiltration of lower-temperature Ba-rich hydrous fluids. The original amphibolite facies assemblage...assemblage is magnesio-hornblende + plagioclase (An35) + biotite + quartz + titanite + allanite + zircon. Thermobarometry...xenolith. Keywords: hyalophane, Mesoarchean, amphibolite, metasomatism, Wyoming Province. INTRODUCTION |  | | Journal (article/letter/editorial) | | 2 October 1997 Abstract The greenschist to amphibolite transition as modeled by the reaction zoisite...bar, 298 K) of 575:4 1:6 J/K á mol for magnesio-hornblende. The calculated isopleths of constant Al...(1992) to account for the occurrence of magnesio-hornblende and epidote-quartz symplectites in clinopyroxene-poor...insights into such issues as the greenschist to amphibolite transition and the (retrogressive) formation...incorporation of Al into amphibole as the component magnesio-hornblende Ca2 Mg4 Al2 Si7 O22 OH2 and is based on |  | Gil, Grzegorz, Gunia, Piotr, Barnes, Jaime D., Szymański, Michał, Jokubauskas, Petras, Kalbarczyk-Gil, Anna, Bagiński, Bogusław (2019) Origin of Talc and Fe-Ti-V Mineralization in the Kletno Deposit (the Śnieżnik Massif, SW Poland) Minerals, 10 (1) 13 doi:10.3390/min10010013 | Journal (article/letter/editorial) | | in the Kletno Deposit (the Śnieżnik Massif, SW Poland) Grzegorz Gil 1,2, * , Piotr Gunia 2 , Jaime D...of Warsaw, Żwirki i Wigury 93, 02-089 Warszawa, Poland; p.jokubauskas@uw.edu.pl (P.J.); b.baginski1@uw...University of Wrocław, Maksa Borna 9, 50-204 Wrocław, Poland; piotr.gunia@uwr.edu.pl (P.G.); michas.szymanski@gmail...utexas.edu Independent Researcher, 05-070 Sulejówek, Poland; lek.wet.6891@gmail.com Correspondence: g.gil2@uw...deposit in the Śnieżnik Massif (Central Sudetes, SW Poland), mined for Fe, U, Ag, Cu, fluorite, and marble |  | | Journal (article/letter/editorial) | | STETTIN COMPLEX, WAUSAU SYENITE COMPLEX, MARATHON COUNTY, WISCONSIN. T. W. Buchholz1, A. U. Falster2, and...Ravine pegmatite on the west side of the old Dehnel quarry (confirmed via EMP [electron microprobe], XRD [X-ray...aegirine from the Summit prospect and the Dehnel quarry consistently contains about 0.9 wt. % Li2O. Arfvedsonite...Li2O, and riebeckite from the Ravine Dike, Dehnel quarry, contains 1.2 wt. % Li2O. Finally, analyses of...MIAROLITIC CAVITIES IN THE HAVEY PEGMATITE, POLAND, ANDROSCOGGIN COUNTY, MAINE. A. U. Falster and W. B. Simmons |  | | Journal (article/letter/editorial) | | and participated in the deformation and upper amphibolite facies metamorphic event of the area. Textures...(included S-surfaces), mineral assemblages (magnesio-hornblende, orthopyroxene, olivine, green spinel, ±...appreciable fluorine content. After the upper amphibolite facies metamorphism, reserpentinization of the...metasedimentary unit; the pre-Cherry Creek, containing hornblende gneisses, amphibolites, and quartzo-feldspathic...(generally trending northeast), and an upper amphibolite facies metamorphism. The ultramafic rocks occur |  | | Journal (article/letter/editorial) | | Actinolite. 1184 Actinolite and hornblende. coexisting, 11E4 Actinolite and hornblende, exsolution between, 1184...I 872 hdgbomite,942,956 hollingworthite, L694 hornblende, 116, 218, 574, 956, 11 8 4 hydroxylapatite,...clinozoisite.589 enclaves,mafi.c,574 garnet amphibolite,589 hornblende,574 pegmatite,granitic, 1998 plagioclase...MgAl2Or (synthetic), 1455 lMe(HzO)olCsClr,1884 magnesio-hornblende,181I milarite, 1836 milarite group, 1836...spinel, 405 Electron diffraction actinolite and hornblende, coexisting, ll84 amphibole, 971 anatase,343 |  | Stähle, Volker, Altherr, Rainer, Nasdala, Lutz, Trieloff, Mario, Varychev, Alexander (2017) Majoritic garnet grains within shock-induced melt veins in amphibolites from the Ries impact crater suggest ultrahigh crystallization pressures between 18 and 9 GPa. Contributions to Mineralogy and Petrology, 172 (10) doi:10.1007/s00410-017-1404-7 | Journal (article/letter/editorial) | | while majoritic garnets with lower VI(Si,Ti) of 0.12–0.27 cpfu formed at lower pressures and temperatures...200-µm-thick shock-induced vein in a moderately shocked amphibolite to model its pressure–temperature–time (P–T–t)...majorite-bearing amphibole fragment in a shock-vein of one amphibolite documents the whole unloading path. Keywords...al. 2009) and the transformation of pargasitic hornblende into a majoritic garnet (Stähle et al. 2011)...ZLN 86 and ZLN 100, see Stähle et al. (2011). Amphibolite ZLN 124 with layers of leucocratic gneiss (shock |  | | Report (chapter) | | comparative microstructural study of plagioclase and hornblende in naturally deformed metabasic rocks as well...are considered to constitute a major part of the lower continental crust (Rutter & Brodie 1992) and the...of the lower crust in several models (e.g. Carter & Tsenn 1987; O r d & Hobbs 1989). Hornblende is assumed...with deformation mechanisms of plagioclase and hornblende have been published to date. Experiments suggest...plagioclase is deformed by dislocation creep under lower crustal conditions (e.g. Tullis & Yund 1987; Ji |  | | Journal (article/letter/editorial) | | isoclinal folding and metamorphism of the granulite–amphibolite facies. Layered magmatic structures were preserved...stratigraphy and chemical composition represented by a lower suite of relatively evolved IAT lavas, a middle...outcrops, the complex is divided into three units: a) Lower Unit: layered mafic–ultramafic (granulitefacies metamorphism):...websterite; b) Intermediate Unit: intrusive mafic (amphibolite-facies metamorphism): banded amphibolites which...plagiogranite; and c) Upper Unit: extrusive mafic rocks (amphibolite-facies metamorphism): fine-grained amphibolites |  | | Journal (article/letter/editorial) | | from upper crustal mafic volcanic rocks through lower crustal gabbro to mantle peridotite. The Berit metaophiolite...from structurally higher to lower levels, it consists of garnet amphibolite (metabasalt), granulite facies...facies metagabbro (as lenses in amphibolite inferred to be retrogressed granulite), and metaperidotite...pressuretemperature conditions and path of oceanic lower crustal rocks in the Berit meta-ophiolite, and an...cooling of ~150°C. Hornblende-plagioclase thermometry results for host amphibolite (Hbl+Pl±Crn±Grt ± relict |  | | Journal (article/letter/editorial) | | deformation paths of the Alpine greenschist-amphibolite facies metamorphism BERNHARDSCHULZ Institut fur...Amphibolites in the Mesozoic part of the parautochthonous Lower Schieferh~ille (LSH), the allochthonous Upper Schieferh~ille...the cores to magnesio-hornblende and tschermakitic hornblende, and from magnesio-hornblende to late actinolite...prograde-retrograde P - T paths for the Alpine greenschist-amphibolite facies event. The paths passed P.,'Trnaxat 6--7...metamorphism. The middle to late Alpine greenschist-amphibolite facies event appears as an independent metamorphism |  | Ledneva, Galina V., Layer, Paul W., Bazylev, Boris A., Sokolov, Sergey D., Kuzmin, Dmitry, Kononkova, Natalia N., Ishiwatari, Akira (2019) Early-middle Triassic basic magmatism and metamorphism of ultramafic-mafic complexes of the Ust’-Belaya terrane (central Chukotka, NE Russia):40Ar/39Ar ages, petrological and geochemical data, geodynamic interpretations. International Geology Review, 61 (9) 1052-1070 doi:10.1080/00206814.2018.1491013 | Journal (article/letter/editorial) | | resulted in transformation of microgabbro to garnet amphibolite, diorite to albite-zoisite-paragonite-pargasite...assemblage of garnet amphibolite correspond to those of epidote amphibolite – amphibolite – amphibole eclogite...indicates high-P metamorphic conditions of epidote-amphibolite facies. Received 20 February 2018 Accepted 17...40 Ar/39Ar geochronology; microgabbro; garnet amphibolite; arc tholeiite; high-P metamorphism; subduction;...and metamorphic rocks as well as bulk garnet amphibolite suggesting nearly coeval early-middle Triassic |  | | Journal (article/letter/editorial) | | M~nchberg Massif; MP, Moldanubian Pluton; M-SZ, Moravo-Silesian Zone; N-KC, Neukirchen-Kdyn~Complex; N-KZ, Ni...Massif (Fig. 1) comprising parts of Czechoslovakia, Poland, Austria and Germany. The block is truncated to...(SZ),Moldanubian (MZ) and Moravian (or Moravo-Silesian) Zones. Early nappe concepts developed to explain...applicable elsewhere in this orogenic belt. Moravo-Silesian Zone The Cadomian-consolidated Bruno-Vistulian...(Suess, 1897). This area is known as the Moravo-Silesian Zone (MSZ). The MSZ basement south of the Elbe |  | | Journal (article/letter/editorial) | | Occurrence and Infrared Spectra of Holmquistite and Hornblende from Mt. Marion, near Kalgoorlie, Western Australia...Coexisting holmquistite and hornblende are described from an amphibolite associated with a spodumene...contact t h a t rubbly outcrops of holmquistite amphibolite have been found (Ross, 1962). Tourmalinized amphibolites... Occurrence and Infrared Spectra of Holmquistite and Hornblende from Mr. Marion cn~ 281 ' j 5o ;= rn c...fine-grained greenish amphibolite. The matrix minerals of this rock consist of green hornblende (50 %) in rounded |  | Neumaryr, P., Groves, D. I., Ridley, J. R., Koning, C. D. (1993) Syn-amphibolite facies archaean lode gold mineralisation in the Mt. York District, Pilbara Block, Western Australia. Mineralium Deposita, 28 (6) 457-468 doi:10.1007/bf02431602 | Journal (article/letter/editorial) | | ep'one. ralium slta 9 Springer-Verlag 1993 Syn-amphibolite facies Archaean lode gold mineralisation in the...broadly synchronous with the peak of regional amphibolite facies metamorphism, which reached temperatures...deposits are similar to other well documented syn-amphibolite facies lode gold deposits from the Archaean Southern...Mineralisation at Mt. Y o r k is also hosted in amphibolite facies banded iron formation (BIF), mafic volcanic...a b u n d a n c e of gold mineralisation in amphibolite facies rocks has only recently been recognised |  | Soret, M., Agard, P., Dubacq, B., Vitale-Brovarone, A., Monié, P., Chauvet, A., Whitechurch, H., Villemant, B. (2016) Strain localization and fluid infiltration in the mantle wedge during subduction initiation: Evidence from the base of the New Caledonia ophiolite. Lithos, 244. 1-19 doi:10.1016/j.lithos.2015.11.022 | Journal (article/letter/editorial) | | channelization of aqueous fluids. 40Ar/39Ar dating on magnesio-hornblende indicates that this deformation episode occurred...phlogopite-rich matrix wrapping peridotites and amphibolite boudins, points to the percolation of alkali-rich...the subduction-obduction system comes from the amphibolite to granulite facies metamorphic soles found at...al., 2007). SC RI We document sheared mafic amphibolite and feldspar-rich veins outcropping over a scale...ophiolitic sequence. These gabbros SC RI represent the lower crust of the ophiolite. They are separated from |  | | Report (chapter) | | continues crystallizing until they have reached amphibolite facies. Symplectite yields a pressure range from...the symplectite assemblage crystallizes later, at lower pressures and temperatures (10–4 kbar, 680–420°C)...studied and it is always assumed it represents an amphibolite-facies assemblage. Accordingly, a recent publication...Caledonian eclogites are embedded, consists of amphibolite-facies gneiss and augen gneiss (Milnes et al... 2005). Eclogite in the southern part recorded lower pressure conditions characteristic of high-pressure |  | | Journal (article/letter/editorial) | | Llano Uplift, central Texas. Long-short dashes." county lines. After Muehlberger et al. (1967) I equivocally...metamorphosed under syntectonic and latekinematic amphibolite-grade conditions which probably involved low...igneous and metamor- phic rocks are exposed. The lower part of the exposed basement consists o f a > 3...Schist consists of two main rock types; hornblende schist (amphibolite) and quartz-feldspar rocks that range...micaceous schists (McGehee 1963 ; Burnitt 1961). The lower 2,500 m of the sequence is dominantly graphitic |
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Amphibolite quarry, Wieściszowice, Gmina Marciszów, Kamienna Góra County, Lower Silesian Voivodeship, Poland