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along the Uganda-Kenya border in the Karamoja District of Uganda (Text-fig. 1). The rocks described lie...of fine perthite * The word granulite is used in this paper to denote rocks of the granulite metamorphic...Miles 34!E TEXT-FIG. 1.āLocation map of Karamoja District, Uganda, showing the distribution of the Karasuk...Microcline . . . Perthite Quartz Quartzite Marble Acid Biotite Gneiss Basic Granulite o o o X X...Acid Granulite o o o X X X X X OligoclaseAndesine o X X Porphyroblastic Acid Granulite T |
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Geology and Mineral Deposits of the Roseland District of Central Virginia U.S. GEOLOGICAL SURVEY PROFESSIONAL... Geology and Mineral Deposits of the Roseland District of Central Virginia By NORMAN HERZ and ERIC R...1923Geology and mineral deposits of the Roseland district of central Virginia. (U.S. Geological Survey professional...Banded granulites and associated rocks. Banded granulite gneisses __ Quartz mangeritic and other mangeritic...mangeritic rocks _____ Origin of the granulite unit ____________________ Stratigraphic equivalence _____________________ |
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MisukuZone vertreten wird. Diese Misuku-Zone wurde im Gebiet der Mafingi-Berge und des Nyika-Plateaus nSher...Epidot-Amphibolit- bis Amphibolit-Fazies, 2. Jembia-Granulite aus dem Ubergangsbereich yon Cordierit-Granulit-...des Nyika-Plateaus. Die MisukuGneise und Jembia-Granulite sind dabei als gleichaltrig anzusehen: sie unterscheiden...triple point between the cordieritegranulite, granulite and amphibolite facies and 8. the post-tectonic...gneisses with a high proportion of mieroeline perthite. The semi-pelitie assemblages in the north east |
| Liu, Hao, Li, Xu-Ping, Kong, Fan-Mei, Santosh, M., Wang, Han (2019) Ultra-high temperature overprinting of high pressure pelitic granulites in the Huai'an complex, North China Craton: Evidence from thermodynamic modeling and isotope geochronology. Gondwana Research, 72. 15-33 doi:10.1016/j.gr.2019.02.003 | Journal (article/letter/editorial) |
ACCEPTED MANUSCRIPT 2 Abstract Paleoproterozoic granulite facies rocks are widely distributed in the North...Eastern Blocks of the Key words: D Pelitic granulite; High-pressure and ultra-high temperature metamorphism;...the SC banded alternating structure of the HP granulite facies mƩlange belt in the Huai'an Manjinggou...khondalite series rocks and MA the mafic HP granulite-bearing gray gneisses represent cover and basement...parts that PT E experienced medium pressure granulite facies metamorphism, and were derived from the |
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made of stone is the Pare Mountains of the Moshi district. In the north-east of the present area the cultivation...covered by thick layers of residual soil where no outcrops and little float are found. In such areas boundaries...rocks form hills with steep grassy slopes and few outcrops. Areas of black cotton soil as well as all the...WORK AND PROSPECTING The pegmatites of the Embu district have attracted the attention of prospectors since...Ena and the Itabua, have a limited flow jn their upper reaches even during the dry season. Except in the |
| Hu, Jianmin, Ren, Minghua, Zhao, Yue, Liu, Xiaochun, Chen, Hong (2016) Source region analyses of the morainal detritus from the Grove Mountains: Evidence from the subglacial geology of the EdiacaranāCambrian Prydz Belt of East Antarctica. Gondwana Research, 35. 164-179 doi:10.1016/j.gr.2015.04.010 | Journal (article/letter/editorial) |
until the discovery of highpressure (HP) mafic granulite erratic boulders in the glacial moraines from...dating; Subglacial geology; SC RI High-pressure granulite 1. Introduction NU The East Antarctic continent... Grove Mountains (Liu et al., 2009a). The HP granulite bedrock exposures have not TE D yet been found...oic shield is composed of 2526-2475 Ma mafic granulite, felsic orthogneiss, and paragneiss (Oliver et...U-Th-Pb ages for orthogneiss, paragneiss, mafic granulite, and granitic pegmatite all MA recorded this |
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(plutons) for ro of magmatic charnockites, and in granulite complexes showing metamorphic foliation and banding...(Touret and Huizenga, 2012). Metasomatized granulite outcrops also appear as lP massifs with minor/ no...minerologically different domains in felsic magmatic/igneous outcrops of the late Paleoproterozoic Luyashan igneous...ur medium to coarse-grained. Large enderbite outcrops with porphyritic texture Jo are seen in the...Prof. J.L.R. However metamorphic oneās show no perthite at all (Personal re texture. -p Touret). Feldspars |
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paragneiss 10 Cale-silicate paragneiss 11 Basic granulite, pyribolite and amphibolite Kanuku Granulites...granophyre (I wokrama Subvolcanic Intrusive Suite) 51 Outcrops oftombstone -like slabs (cleavage fragments) of...river levels also rise and so obscure the best outcrops. The field season varies from year to year depending...measurements must be treated with caution because the 'outcrops' are commonly tilted by stream under-cutting or...relatively slight for a tropical region and most of the outcrops are fresh. 7. Re-examination of photographs, st |
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suites in Grenvillian terrane of the Roseland district, Virginia Part fo Lithologic relations: ovis 5...eoeeneseeneessuenass 200 Norman Herz The Goochland granulite terrane: Remobilized Grenville basement EVIE COSTCTTE...investigations of the Honey Brook Upland and the Roseland District. Six papers present new geochronological data...Adirondack Mountains, New York, an amphibolite-granulite facies terrane in the 1.1-b.y.-old Grenville province...E, only locally present, is a quartz-feldspar granulite. To the east, the Gouverneur Marble correlates |
| Litherland, M., Annells, R. N., Appleton, J. D., BerrangƩ, J. P., Bloomfield, K., Burton, C. C. J., Darbyshire, D. P. F., Fletcher, C. J. N., Hawkins, M. P., Klinck, B. A., Llanos, A., Mitchell, W. I., O'Connor, E. A., Pitfield, P. E. J., Power, G., Webb, B. C. (1986) The geology and mineral resources of the Bolivian Precambrian shield. Overseas Memoir 9. British Geological Survey | Report (volume) |
feldspathisation 31 Petrogenesis 31 The Lomas Maneches Granulite Complex 31 Hypersthene granulites 32 Leptites...Rubidium-Strontiu,n Index the Lomas Maneches Granulite granitoid rocks of the San Ignacio Sunsas Orogeny...Estancia Las Madres 29 Granulite pavement of the Lomas Maneches massif 36 Basic granulite at Las Rengas 36...36 Folded K-feldspar leptite band in the Granulite Complex near San Bartolo 37 The Sunsas Group unconformity... America 8 Rb-Sr plot for rhe Lomas Maneches Granulite Complex and the Ascension schist belt 11 Distribution |
| Zhao, Lei, Li, Tiesheng, Peng, Peng, Guo, Jinghui, Wang, Wei, Wang, Haozheng, Santosh, M., Zhai, Mingguo (2015) Anatomy of zircon growth in high pressure granulites: SIMS UāPb geochronology and LuāHf isotopes from the Jiaobei Terrane, eastern North China Craton. Gondwana Research, 28 (4) 1373-1390 doi:10.1016/j.gr.2014.10.009 | Journal (article/letter/editorial) |
Jiaobei Terrane North China Craton a b s t r a c t Granulite facies rocks that witnessed high pressure and...represent the time of low- to medium-pressure granulite facies retrogression. Some zircon grains with...timing of amphibolite facies retrogression. The HP granulite facies metamorphism in Jiaobei is thus constrained...1870 and 1899 Ma, with low- to medium-pressure granulite facies retrogression at ca. 1850ā1870 Ma followed...2009; Santosh and Kusky, 2010; Brown, 2014). Granulite facies rocks have also been central to the investigations |
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exception of the illustrations in three articles, the Upper Permian ā Mesozoic evolution of central East Greenland...overlain by Upper Palaeozoic and younger platform sediments in North Greenland; in East Greenland Upper Palaeozoic...gneisses are mostly in amphibolite facies though granulite facies gneisses occur in the central part of ...domes which are often surrounded by rim blende granulite facies, are characteristic. The layered synclines...together with remobilised basement gneisses under upper greenschist-amphi- bolite facies conditions during |
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exception of the illustrations in three articles, the Upper Permian ā Mesozoic evolution of central East Greenland...overlain by Upper Palaeozoic and younger platform sediments in North Greenland; in East Greenland Upper Palaeozoic...assemblages, mainly in high amphibolite and hornblende granulite facies, are characteristic. The layered nature...gneisses are mostly in amphibolite facies though granulite facies gneisses occur in the central part of the...together with remobilised basement gneisses under upper greenschist-amphibolite facies conditions during |
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were metamorphosed to high-amphibolite facies to granulite facies. Detrital zircons from the fuchsite quartzite...granite. All of these rocks were metamorphosed to granulite facies. The TTG gneisses have superimposed fold... The supracrustal rocks consist of BIF, maļ¬c granulite, (pyroxene) amphibolite, felsic gneiss, biotite...zircon UāPb ages, representing metamorphism of granulite facies. Another two Mesoarchean units are the...characteristic is that all rocks underwent amphiboliteāgranulite facies metamorphism and partly migmatization. |
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uranium, thorium and potassium concentrated into the upper crust. It is also possible that gravitational energy...the concentrations of radioactive minerals in the upper layers. This is probably the principal source of...by mass. Laboratory experiments suggest that the upper mantle consists of dense, dark rocks composed essentially...common crustal rocks such as granodiorite, or granulite. Others, however, which are rather rare but...of mantle into the upper part of the crust. The speeds of seismic waves in the upper mantle are similar |
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uranium, thorium and potassium concentrated into the upper crust. It is also possible that gravitational energy...the concentrations of radioactive minerals in the upper layers. This is probably the principal source of...by mass. Laboratory experiments suggest that the upper mantle consists of dense, dark rocks composed essentially...granodiorite, crusts, are olivine-rich or granulite. Others, however, which are contain the...of mantle into the upper part of the crust. The speeds of seismic waves in the upper mantle are similar |
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sapphirine + cordierite in a "high temperature" granulite from the Sutomsk Complex in the Aldan Shield.... Xl xiii List of Participants The NATO ARW granulite conference: a report by D. VIELZEUF and PH. VIDAL...RUFF . . . . . . . . . . . . . . . . . . 7 The granulite - granite connexion. by J. D. CLEMENS . . . .... . . . 25 Heat, fluids, and melting in the granulite facies. by A. B. THOMPSON. . . 37 Granites,... . . . . . . . . . . . . . . . . . . . . The granulite belt of Lapland. by P. BARBEY and M. RAITH . |
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uranium, thorium and potassium concentrated into the upper crust. It is also possible that gravitational energy...the concentrations of radioactive minerals in the upper layers. This is probably the principal source of...mass. Laboratory experiments suggest that the upper mantle consists of dense, dark composed rocks...oceanic crustal rocks such as granodiorite, or granulite. Others, rather rare but widely distributed in...of mantle into the upper part of the crust. The speeds of seismic waves in the upper mantle are similar |