 | | Journal (article/letter/editorial) | | beneath thinned but intact continental crust. Serpentinite has comparatively low density, low frictional...uppermost mantle. The low permeability of a serpentinite `cap' layer might help to explain the lack of...Keywords: oceanic crust; continental crust; serpentinite; exhumation; oxygen; isotopes; £uid dynamics...[6]. The origin and distinction of gabbro and amphibolite at Sites 900, 1067 and 1068 is controversial...granite: 2.7 g cm33 , peridotite: 3.3 g cm33 ) and serpentinite has low frictional strength and low or anisotropic |  | | Book | | MOLDAN UBIAN s. str. Gfohl unit < Ci MORAVO - SILESIAN (medium to high grade) D Drosendorf unit (low...Evolution S. VRANA, P. BLUMEL, and K. VIII Moravo-Silesian Zone VIII. A Introduction Z. MfsAR and M. X...Igneous Activity (Cadomian Plutonism in the Moravo-Silesian Basement) F. FINGER, G. FRASL, A. DUDEK, E. JELiNEK...and Metallurgy AI. Mickiewicza 30 30059 Krakow Poland P. BLilMEL Institut fur Mineralogie Technische...Geological Sciences Cybulskiego 30 50205 Wroclaw Poland E. JELINEK Department of Geology Charles University |  | | Journal (article/letter/editorial) | | greenstones of the ~2.9 to 2.8 Ga Belingwean and Lower Bulawayan Groups, the ~2.7 Ga Upper Bulawayan and...Batholith. Younger greenstones of the Belingwean and Lower Bulawayan Groups are regarded by Horstwood et al...(ironstone, felsite, actinolite schist, amphibolite, serpentinite) were isoclinally folded along north-trending...complexes, bordered to the west by the Shangani, Lower Gweru and Kwekwe greenstone belts and divided by...margin of the Gweru Belt (Lower Gweru and Guinea Fowl areas, Figure 1) the Lower Bulawayan (~2.9 to 2.8 |  | | Journal (article/letter/editorial) | | 102-109, 1981. GARNET-CLINOPYROXENE KUROSEGAWA AMPHIBOLITE TECTONIC ZONE, CITY-PETROGRAPHY FROM NEAR...surrounded clinopyroxene-bearing partly by amphibolite serpentinite of the mass Kurosegawa 0.2 x 1.1...indicates that partitioning the coefficient amphibolite was between coexisting formed under the...surrounding Chichibu System are always accompanied by serpentinite. Zone have been 1) biotite-bearing•@ 2)...augite-garnet garnet amphibolite (Karakida, 1977), amphibolite, garnet amphibolite and garnet-clinopyroxene |  | | Journal (article/letter/editorial) | | Paleoproterozoic carbonate rocks, metamorphosed to amphibolite facies in the east–west (E–W) trending Spinghar...and are mostly metamorphosed to amphibolite. Although the amphibolite occurs mostly parallel to subparallel...peridotite and gabbro) are initially altered to serpentinite by hydration at high temperatures (>600 C)...with a little loss of magnesium and silica. The serpentinite is then carbonized by the influx of fluid containing... dara and Lesho, quartz chlorite schist and amphibolite are also parallel to subparallel to the beddings |  | Krám, Pavel, Čuřík, Jan, Veselovský, František, Myška, Oldřich, Hruška, Jakub, Štědrá, Veronika, Jarchovský, Tomáš, Buss, Heather L., Chuman, Tomáš (2017) Hydrochemical Fluxes and Bedrock Chemistry in three Contrasting Catchments Underlain by Felsic, Mafic and Ultramafic Rocks. Procedia Earth and Planetary Science, 17. 538-541 doi:10.1016/j.proeps.2016.12.136 | Journal (article/letter/editorial) | | committee of WRI-15 Keywords: granite; amphibolite; serpentinite; Norway spruce; magnesium; coefficient...216 829-949 736-802 690-804 Granite Amphibolite Serpentinite Podzol Cambisol Stagnosol 98 89 81 ...and Ni (0.1%) was detected in the uppermost serpentinite (Fig. 1a) and, naturally, this sample also contains...highest recorded value (0.56) in the uppermost serpentinite. 540 Pavel Krám et al. / Procedia Earth and...concentrations were recorded only during baseflow, lower values during high flow. a 0 MgO (wt%) 20 30 |  | | Book | | Field of the Fore-Sudetic Monocline (Southwestern Poland) S. Speczik (with 6 Figures) . . . . . . . . ....of Organic Material in the Kupferschiefer of the Lower Rhine Basin R. Diedel and W. Piittmann (with 7 Figures)...Langenstrassen F (1983) Neritic sedimentation of the Lower and Middle Devonian in the Rheinische Schiefergebirge...Field of the Fore-Sudetic Monocline (Southwestern Poland) S. SPECZIK J Abstract Fluid inclusion studies...rocks of the Fore-Sudetic Monocline of southwest Poland. Surprisingly high temperatures determined for |  | | Journal (issue) | | melange containing amphibolite, greenstone, argillite, quartzite, marble, and serpentinite and (2) overlying...Schist (not shown in Figure 2) and underlying amphibolite, which occur in the northernmost part of the...Applegate Group mainly on the basis of their middle-amphibolite-facies metamorphic 15 I ~ ~ Applegate Group...two parts: (1) a serpentinite-matrix melange containing blocks of greenstone, amphibolite, metadiorite,...facies or lower in the southern Klamaths and increases northward to middle and upper amphibolite facies |  | | Journal (article/letter/editorial) | | peridotitesand amphibolitesof the Paleozoic komatiitic lower ultramafic unit, the Tjakastad Finero Complexin...volcanicassemblages at the baseof the greenstone sequencewith the lower ultramafic and the mafic to amounts of accessoryopaque...the belt in Zimbabwewas kindly (1979) named the lower unit containingultramafic Belingwegreenstone and...morphismleadingto a completeserpentinization of lower greenstones the ultramafic rocks. No olivine relicts...Krauatively fresh and little sheared,whereasthe lower dismembered greenstones are highlyaltered.No golddeposits |  | | Journal (article/letter/editorial) | | dissolved Utota I and226Ra were present in much lower concentrations than 222Rnwhen expressed in terms...throughout the eastern two-thirds of M o n t g o m e r y County, an area of - 9 0 0 km 2. The N e w Jersey study...waters f r o m the m y l o n i t e have generally lower p H ( a v e r a g e _+1 S.D. in p H for waters from...mylonite is 5.9 + 2.3 p p m ) , a n d generally lower ZCO3 (average a n d S.D. for waters from the h o...e r c o n c e n t r a t i o n s of 222Rn b u t lower concentrations of Utota 1. Dissolved Z22Rn in samples |  | | Journal (article/letter/editorial) | | tectonic movement affecting the Arunta Inlier and the lower Neoproterozoic part of the Amadeus Basin in central...Orogeny, Mesoproterozoic (c. 1180 Ma) granuliteand amphibolite-facies gneisses in the Musgrave 477 Complex...that have been deformed and metamorphosed to amphibolite facies (Smithies and Bagas, 1997). Augen orthogneiss...(Supersequence 3 + 4) Tabletop Terrane; granitoid rock, amphibolite, metamorphosed banded iron-formation, and orthogneiss...orthogneiss with rafts and lenses of quartzite, amphibolite, serpentinite and banded iron-formation Undivided orthogneiss |  | Seat, Z., Stone, W. E., Mapleson, D. B., Daddow, B. C. (2004) Tenor variation within komatiite-associated nickel sulphide deposits: insights from the Wannaway Deposit, Widgiemooltha Dome, Western Australia. Mineralogy and Petrology, 82 (3) 317-339 doi:10.1007/s00710-004-0047-3 | Journal (article/letter/editorial) | | Polyphase deformation and metamorphism to mid-amphibolite facies have modified the ore continuity, mineralogy...sediment-associated massive sulphide is significantly lower in tenor than sediment-free massive sulphide, and...prevailing volcanic model (Lesher and Campbell, 1993), lower tenor sediment-associated massive sulphide reflects...and strain setting and are in general smaller, lower in tenor, distributed as pods rather than ribbons...deformation events (D1 to D4) and metamorphism to mid-amphibolite facies (Archibald et al., 1978; McQueen, 1981a) |  | Han, Shijiong, Yang, Yanchen, Bo, Junwei, Zhang, Guobin, Khomich, Vadim G., Huang, Yongwei, Yang, Yunbao, Wang, Xueyang (2020) Late Neoarchean magmatic record of the Jiamusi–Khanka Block, Northeast China: New clues from amphibolite zircon U–Pb geochronology and Lu–Hf isotopes. Geological Journal, 55 (5). 3401-3415 doi:10.1002/gj.3562 | Journal (article/letter/editorial) | | Jiamusi–Khanka Block, Northeast China: New clues from amphibolite zircon U–Pb geochronology and Lu–Hf isotopes...we describe newly discovered late Neoarchean amphibolite of the Huangsong Group collected from drillhole... LA–ICP–MS U–Pb dating for zircons from the amphibolite yields a weighted‐mean 207 Pb/206Pb 5 age...China, Grant/Award Number: 41602066 2.54‐Ga amphibolite show high and positive εHf(t) values ranging...fluids/melts from subducted crustal materials. The amphibolite displays low SiO2 and alkalis, and high TFe2O3 |  | | Journal (article/letter/editorial) | | ductile deformation and associated regional amphibolite-facies metamorphism of the Transamazonian cycle...The Bacuri mafic-ultramafic complex consists of a lower mafic zone (>500 m thick), an ultramafic zone (30–120...ultramafic zone. This zone consists of interlayered serpentinite (olivine cumulate) and chromitite (chromite...ultramafic zone in direct contact with the underlying lower mafic zone. The thickness of the main chromitite...ductile deformation and associated regional amphibolite-facies metamorphism. The main purpose of this |  | 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 |  | | Report (issue) | | Oceanic Fracture Zones in Abyssal Settings 1. Serpentinite matrix mélange: Implications of mixed provenance...commonly embedded in an argillitic, sandy, or serpentinite matrix showing high stratal disruption and a...field, petrological, and geochemical data on serpentinite-matrix mélanges of different ages in California...evidence that blockin-matrix fabrics developed in serpentinite within an abyssal fracture zone. Shervais et...high-temperature (HP-HT) garnet-amphibolite blocks from a serpentinite shear zone structurally beneath |  | | Journal (volume) | | verbreitet (Abb. 2). Da kommen Amphibolite, Hornblendite, Serpentinite, Tremolit- und Chloritschiefer...Granodioritgebieten, sondern auch aus den Gebirgen, wo Amphibolite, Serpentinite und Hornblendite auftreten , bezieht,...Keimadugu. In der Umgebung Tuffe, Quarzite, Amphibolite und auch Sedimente, aus denen der Fluss sein...entnommen. In der Umgebung sind Amphibolite, Hornblendite und Serpentinite verbreitet, alles basische Gesteine...Wasser von basischen Felsen, zu denen Amphibolite, Serpentinite und Hornblendite gehören und die in seinem |  | | Journal (article/letter/editorial) | | sedimentary rocks. This fluid then locally reacted with lower Fe/(Fe + Mg) rocks to form Fe-bearing dolomite +...approximately 103, assuming graphite saturation. At lower CO2 fugacities, Fe-bearing silicates entered the...granite, serpentinized harzburgite, and lower greenschist to amphibolite facies meta-igneous and metasedimentary...Series of alteration reactions in serpentinite, mafic amphibolite, and granite wall rocks involved carbonatization...along discordant Au-quartz veins in serpentinite, mafic amphibolite, and granite are summarized in Fig |  | | Report (issue) | | Sierra Foothills Melange and Adjacent Areas, Amador County, California GEOLOGICAL SURVEY PROFESSIONAL PAPER...Sierra Foothills Melange and Adjacent Areas, Amador County, California By WENDELL A. DUFFIELD and ROBERT V...--------------------------- Page Page 1 Serpentinite and related rocks______________________________...Cosumnes River and the ~okelumne River, Amador County, In pocket California ------------------------...SIERRA FOOTHILLS MELANGE AND ADJACENT AREAS, AMADOR COUNTY, CALIFORNIA By WENDELL A. DuFFIELD ABSTRACT |  | | Journal (article/letter/editorial) | | i t e association The rocks of the gneiss-amphibolite association form the lowermost sequence in the...together the Caledonian basement complex. 2: Serpentinite-amphibolite associations; a: Speik complex (east)...sequence. All this data suggests that in the gneiss-amphibolite association there exist pre-Ordovician series... Amphibolites are widespread in the gneiss-amphibolite association. The original rocks are predominantly...environment. Along with these banded sequences of amphibolite and plagioclase gneiss, which appear in the higher |  | | Report (issue) | | Yurkovich and Arthur J. Merschat STOP 2-3 Addie Quarry: Webster-Addie Mafic-ultramafic complex ...........P. Yurkovich STOP 2-4 Cartoogechaye terrane amphibolite on old U.S. 23-74 .............................sandstone and shale and some basalt flows in the lower Unicoi the Appalachians (Table 1). The remainder...Formation. represent the missing lower Tommotian interval—the Lower Ocoee Supergroup rocks filled a basin...sequence that The Ocoee Supergroup consists of the lower Snowbird Group has been correlated with the Cambro-Ordovician |  | | Journal (article/letter/editorial) | | metamorphosed Precambrian and Lower Paleozoic rocks in the east and lower crustal rocks in the west (Peřestý...Holub (a) SAXOTHURINGIAN / W. SUDETES / LUGIAN Lower Carboniferous clastics Proterozoic to Early Paleozoic...tur Su on ne e zo Cretaceous Basin Praha SILESIAN LUGIAN Kutná Hora Complex 50° Monotonous and... ult TEPLÁ–BARRANDIAN BRUNOVISTULIAN Moravo-Silesian (Proterozoic and Paleozoic) PC CB Ba Carboniferous...Neoproterozoic granitoids 14° (b) VP46 N MLC Amphibolite Serpentinite Toužim Ky/Sil bearing gneiss Eclogite |  | | Journal (article/letter/editorial) | | they show light rare earth depleted patterns and lower incompatible trace element contents. Their relative...succession (ca 600 Ma) containing mafic schist, amphibolite and siliciclastic metasedimentary rocks and a... 3; Withnall et al., 1995). Mafic schist and amphibolite with MORB and alkaline magmatic affinities also...Ordovician limestone, mafic igneous rocks, and serpentinite. The basement succession is intruded by Devonian...quartzite, pelitic schist, mafic schist, amphibolite, serpentinite, and calc-silicate rocks, and are overlain |  | | Journal (article/letter/editorial) | | ore quality, are widespread in greenschist to amphibolite grade greenstone-gneiss terrain in the south-central...Archean (3.5–3.2 Ga) deposits associated with amphibolite grade greenstone remnants in the 3.6 to 3.35...Tokwe gneisses (e.g., Hornet, Valley) and on the amphibolite grade eastern flank of the Shurugwi greenstone...conversion of chromite to (mainly) chlorite during amphibolite metamorphism. Introduction ZIMBABWE’S 100-year-old...greenschist (Shurugwi and Masvingo belts) to amphibolite (Tokwe gneisses) and granulite (Northern Marginal |  | | Journal (article/letter/editorial) | | high-pressure/low-temperature rocks, fluid-mediated transport, serpentinite mélange, subduction processes This article’s...rocks (e.g., eclogite, blueschist) in exhumed serpentinite-matrix mélanges. Studies over the past ∼20...primarily jadeite composition (NaAlSi2 O6 ) Serpentinite: a rock composed principally of serpentine minerals...found in serpentinite boulder conglomerates and as veins and tectonic blocks in serpentinite. Although...(1984) in relationship to ophiolites (the term serpentinite mélanges should have been used, as discussed |
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