 | Jahn, B.M., Auvray, B., Cornichet, J., Bai, Y.L., Shen, Q.H., Liu, D.Y. (1987) 3.5 Ga old amphibolites from eastern Hebei Province, China: Field occurrence, petrography, Sm-Nd isochron age and REE geochemistry. Precambrian Research, 34 (3) 311-346 doi:10.1016/0301-9268(87)90006-4 | Journal (article/letter/editorial) |
| geochemistry. Precambrian Res., 34: 311--346. Amphibolite blocks frequently occur in association with grey...were subsequently retrogressed to the present amphibolite facies mineral assemblages. The positive end...represented by highly metamorphosed and deformed amphibolite enclaves in late Archaean granitic rocks. The...ancient age for the contrasting rock types: amphibolite and quartz diorite. These points will be discussed...(granulite and upper amphibolite facies), and less than 10% belongs to lower grade amphibolite and greenschist |
 | | Journal (volume) |
| Mikkelin lääninrahasto (The Cultural Foundation of Finland) and from Outokumpu Oy:n Säätiö (The Outokumpu...base-stations (Woollard 1950). The first attempt in Finland at applying gravity measurements to ore-exploration...between the years 1948-1953. In 1954 and 1955 Finland procured for ore-exploration three Worden gravimeters...1. The number of gravity stations measured in Finland in connection with ore exploration in the years...measured in connection with ore exploration in Finland over five-year periods. Number of mcasurcd stations |
 | | Journal (volume) |
| Geological Survey of Finland Bulletin 309 On the geochemistry of copper in the Quaternary deposits in...in the Kiihtelysvaara area, N orth Karelia, Finland by Reijo Salminen Geologinen tutkimuslaitos Espoo...Espoo 1980 Geological Survey of Finland, Bulletin 309 ON THE GEOCHEMISTRY OF COPPER IN THE QUATERNARY...deposits in the Kiihtelysvaara area, North Karelia, Finland. Ge%gica/ SlIrvey 0/ Fin/and, Bulletin 309. 48.... . . . . .. 21 The transport distance of amphibolite at Palojärvi . . . . . . . . . . . . . . . . |
 | | Journal (article/letter/editorial) |
| complex (Fig. 1). These supracrustals form extensive outcrops up to several hundred meters wide and several...prominent is a banded amphibolite accounting for more than half of the amphibolite outcrops. The banded amphibolites...folding and have been metamorphosed up to the amphibolite facies (Chadwick and Coe 1983). Isotopic evidence...indicating that tourmaline formed prior to the amphibolite-facies metamorphism (Appel 1985 b). The tourmaline...separated from each other by 5-10 m of banded amphibolite with very sparsely disseminated scheelite. The |
 | | Report (issue) |
| rock forming dikes as much as 10 feet thick. Outcrops rare. Mapped largely from float PEGMATITE coarse-grained...thin slabs. Breaks Commonly makes prominent outcrops and relatively thin sandy residual soils. Locally...Locally contains abundant lenses and layers of amphibolite and hornblende gneiss similar to those described...exposed over areas greater than a few acres AMPHIBOLITE, HORNBLENDE GNEISS, AND ASSOCIATED ROCKS Predominantly...fine- to medium-grained dark-green to black amphibolite and medium- to dark-gray-green hornblende gneiss |
 | | Journal (article/letter/editorial) |
| intermediate amphibolite............................................................... Coarse amphibolite.............................. Special textures in amphibolite................................................pre-Cambrian sedimentary rocks are small masses of amphibolite. These bodies, both here and in other parts of...amphibolites was mapped by plane table, and individual amphibolite bodies were studied in detail in the Homestake...to erosion has resulted in numerous prominent outcrops. The reader must be cautioned not to confuse these |
 | | Journal (article/letter/editorial) |
| indicates they were produced by greenschist to amphibolite facies dynamothermal metamorphism of alkalic...lavas rrTlJ sheeted dykes STUDIED METAMORPHIC OUTCROPS g bbros ultramafics v v TROODOS COMPLEX v...Cyprus locating the three studied metamorphic outcrops. 33030 ' I 275 width of ca. 1.5 km and is...alkali lavas of the Mamonia Complex. North of the amphibolite unit the fault contains serpentinite within which...grade are tectonically intermixed. Three small outcrops of amphibolites were sampled from southwest, west |
 | | Report (issue) |
| amphibolitized 38 olivine gabbro 22. Photomicrograph of amphibolite . 39 23. Photograph of a diallage-plagioclase...olivine gabbro show a progressive alteration into amphibolite which consists of an assemblage of hornblend...occurs locally within the sill. Evidence that the amphibolite margin, previously termed Roan Gneiss, is orthoamphibolite...of Keith (1907) shows associated ultramafic-amphibolite bodies within a thick interlayered sequence of...likely that many of the attitudes measured at small outcrops represent some of the smaller minor folds. The |
 | | Report (issue) |
| that has caved from the working. The waste rock, outcrops in the ends of the larger trenches, and pillars...area in the core of the amphibolite mass north of Samrah, Here the outcrops consist of large boulders...boulders was mapped in the nearby, circular mass of amphibolite straddling the dacite-andesite dike swarm east...of gabbro occur sporadically throughout the amphibolite. Northwest and north of the map, gabbro is common...by Quinn in 1964. The gabbro characteristically outcrops in the form of large nearly spherical boulders |
 | | Journal (article/letter/editorial) |
| nodules of probable stromatolitic origin in amphibolite from the Neoproterozoic terrain of southern Israel...ACT Several small bodies of massive to banded amphibolite occur within plagioclase-quartz-biotite hornblende...terrain of southern Israel. Entrapped within the amphibolite are nodules consisting mainly of calcite+talc...amphibolites is thus enigmatic. K EY WORDS : amphibolite, stromatolite, Neoproterozoic, Arabo-Nubian Shield...proposed. Geological setting The Neoproterozoic outcrops of southern Israel (totalling some 90 km2) occur |
 | | Book |
| lava or Diorite pluton Igneous, intermediate Amphibolite Basalt lava or Gabbro pluton Igneous, mafic...likely feldspar, not quartz. Watch out for amphibolite and diabase. The calcium-rich Plagioclase feldspar...colored bands or not. * This rock is probably amphibolite (page 72). Rock looks more like a tan, brown...encountered in association with mafic rock types like amphibolite, and they also accumulate in quantities that...very different from granite gneiss in old rock outcrops that have experienced millions of years of weathering |
 | | Report (chapter) |
| several distinct NW-trending belts separated by amphibolite sheets. The most prominent belt comprises the...basite (amphibolite) sheet. Narrower bands of Kerrysdale-type semipelite occur within the amphibolite in the...and less wellexposed outcrops compared with the adjoining rugged amphibolite outcrops, which tend to form...granodiorite gneiss (similar to Ard gneiss, below) and amphibolite sheets with thin quartz-biotite-garnet schist...(meta-limestone) bands; 400 m. Mill na Claise belt: amphibolite sheet enclosing three narrow bands of mixed semipelite |
 | | Journal (article/letter/editorial) |
| the magmatic character and tectonic setting of amphibolite-facies basic rocks, in which former textures...pre-metamorphic magmatic characters of amphibolite bodies subjected to amphibolite-facies metamorphism may be determined...Division in the type area is almost devoid of amphibolite bodies. Further north, in northern Ross-shire...concordant bodies of garnet amphibolite, known locally as Sgurr Mor amphibolite, occur sporadically (Winchester...to consist of a series rather than a single amphibolite body. 51 At most of the collecting traverses |
 | Floyd, P. A., Winchester, J. A., Ciesielczuk, J., Lewandowska, A., Szczepanski, J., Turniak, K. (1996) Geochemistry of early Palaeozoic amphibolites from the Orlica-Śnieżnik dome, Bohemian massif: petrogenesis and palaeotectonic aspects. Geologische Rundschau, 85 (2) 225-238 doi:10.1007/bf02422230 | Journal (article/letter/editorial) |
| represents one of the largest and most complex outcrops of the central European Variscides and encompasses... 1990) showing the distribution of the main amphibolite bodies within the Stronie, Staré Město and Nové...amphibolites, predominantly metamorphosed in the amphibolite facies, with rarer granulite and eclogite facies...elements. Samples were selected from small, scattered outcrops within the Stronie formation, as well as basic...were also taken along the almost continuous amphibolite belts within the Nové Město and Staré Město |
 | | Report (issue) |
| coincides with the westernmost sandstone and shale outcrops of the Chilhowee Group and Sandsuck Formation...that of the field mapper. We have recorded many outcrops on our field sheets while making cross-country...oversimplification to relate isolated or selected outcrops of mylonite in these basement rocks to single...CENTRAL BLUE RIDGE, NORTH CAROLINA mapped as amphibolite contain interlayers of calc-silicate granofels...sedimentary origin (Kuchenbuch, 1979). Another amphibolite variety is mottled white and green, inequigranular |
 | | Journal (article/letter/editorial) |
| Eastern Palmer Land Shear Zone. Based on the high-amphibolite grade rocks exposed in central western Palmer... Methods and sample description 3.a. Mapping Outcrops containing metamorphic rocks in several previously...−65.47 Orthogneiss E 1661.5 −69.28 −64.63 Amphibolite E 3607.2 Grimley Glacier Mt Sullivan −69.57...−70.96 −67.05 Orthogneiss −70.97 −67.07 Amphibolite −70.96 −66.67 Metasediment −70.64 −67.13...calculated for a metasediment, an orthogneiss and an amphibolite. The hornblende–plagioclase geothermometer of |
 | | Journal (article/letter/editorial) |
| including pelitic schist and minor garnet-bearing amphibolite, which are faulted against a sequence of low-grade...high-pressure epidote amphibolite facies is recorded by medium-grade schist and amphibolite and was synchronous...mica-schist, quartzite, and minor garnet-bearing amphibolite outcrops between Red Point [442500E, 5178500N; GDA94...a typical mineral assemblage in medium-grade amphibolite, note the brighter oligoclase zones surrounding...01:04 19 March 2016 PELITIC SCHIST Amphibolite The amphibolite body consists of amphibole (40¡50 vol%) |
 | | Journal (article/letter/editorial) |
| (N = 2), 12.6 ± 0.6‰ (N = 4) for < 1 m thick amphibolite layers, and 12.1 ± 0.4‰ (N = 24) for the concordant...interlayered metapelite, quartzofeldspathic gneiss, amphibolite, hornblende gneiss, pyroclastic carbonatite,...green- chist facies (450°C, 3.4 kbar) to upper amphibolite facies (650 to 680°C, 2.5 kbar) in an upward...8.0 6.5 3117 4 Granite 8.4 6.7 3118 4 Amphibolite 3.8 2.5 4.3 2.7 4.1 ? ? ?4 Metaconglomerate...basement; mid-crustal, ductilely deformed, upper amphibolite-facies metamorphic rocks; and a brittle upper |
 | Garde, Adam A., Scherstén, Anders, McDonald, Iain, Keulen, Nynke (2014) Comments and corrections to the Letter to the Editor,Meteoritics & Planetary Science, May 2014: “Impact controversies: Impact recognition criteria and related issues,” and discussion of shock mineral melting at Maniitsoq and Vredefort. Meteoritics & Planetary Science, 49 (12) 2129-2132 doi:10.1111/maps.12397 | Journal (article/letter/editorial) |
| the lower continental crust with ambient upper amphibolite to granulite facies P–T conditions. This is clearly...brecciated and hydrothermally altered orthogneiss-amphibolite outcrops for the front cover of MAPS Vol. 48. No |
 | | Report (issue) |
| porphyry.________-___----___--__.-___-___--__ Amphibolite. ___-_____________-_-__--____---_--_-___-____Granite...chiefly of hornblende schist, hornblende gneiss, amphibolite, metadiorite, and chlorite schist. The Black...therefore are younger than it, but some foliated amphibolite appears to form dikes that cut Powderhorn granite...include quartzbiotite schist, quartzite, and amphibolite belonging to the Black canyon SChiSt 0± Hunter...specimens of f eldspathic varieties of amphibolite. Outcrops are scarce or lacking in many parts of of |
 | | Journal (article/letter/editorial) |
| migmatite gneiss, quartz-feldspathic gneiss, and amphibolite from the Bucaramanga Gneiss recorded metamorphic...melting reactions. The evaluation of mesosomes (amphibolite, pelitic and quartz-feldspathic rocks) as potential...and southern Santander Massif, several migmatite outcrops were characterized in order to constrain evolution...arnet bearing gneiss, hornblende gneiss and amphibolite collectively called the Bucaramanga CE Gneiss...Massif is cored by the Bucaramanga Gneiss, an amphibolite- to SC RI granulite-facies (from temperature |
 | | Journal (article/letter/editorial) |
| The Swakop Terrane was metamorphosed to upper amphibolite-facies conditions with anatexis in the Uitdraai...edge of the Okawakuejawa Ridge, the Omusema amphibolite separates the Quelle from the Kudulecke unit...unit. In this locality, the lower part of this amphibolite is interlayered with the upper beds of the Quelle...small lens of Quelle rocks separates the Omusema amphibolite from the Etusis meta-arkose. This complex stratigraphic...have been incorporated in the overlying Omusema amphibolite. The conglomerate shows a slight increase in |
 | Will, T.M., Lee, S.-H., Schmädicke, E., Frimmel, H.E., Okrusch, M. (2015) Variscan terrane boundaries in the Odenwald–Spessart basement, Mid-German Crystalline Zone: New evidence from ocean ridge, intraplate and arc-derived metabasaltic rocks. Lithos, 220. 23-42 doi:10.1016/j.lithos.2015.01.018 | Journal (article/letter/editorial) |
| medium- to high-grade metamorphic Variscan basement outcrops, separating very low- to lowgrade metasedimentary...rock, garnet-bearing biotite gneiss and minor amphibolite. In the south, the Elterhof Formation was intruded...al., 2012). The Spessart basement experienced amphibolite-facies metamorphism with peak temperatures of...Spessart basement Quartzdiorite-Granodiorite Amphibolite Unit III Orthogneiss unit Garnet-mica schist...Garnet-staurolite schist (Mömbris Formation) Paragneiss, amphibolite and calcsilicate rock (Alzenau/Elterhof Formation) |
 | Dlamini, N., Hofmann, A., Belyanin, G., Xie, H., Kröner, A., Wilson, A., Slabunov, A. (2017) Supracrustal gneisses in southern Swaziland: a basalt-sandstone assemblage of the upper Mozaan Group deformed in the Neoarchaean. South African Journal of Geology, 120 (4) 477-498 doi:10.25131/gssajg.120.4.477 | Journal (article/letter/editorial) |
| assemblage of ductilely deformed supracrustal rocks (amphibolite and quartzite) and granitoid gneisses intruded...three deformational events (D1, D2 and D3) at amphibolite and retrograde greenschist facies grade. The...South Africa, 1988) as greenstone remnants (amphibolite, talc-carbonate schist and serpentinebearing...a heterogeneous assemblage of serpentinite, amphibolite, gabbroic gneiss, quartzite, diorite, augen-gneiss...have destroyed any protolith textures. Amphibolite Amphibolite occurs in different varieties, varying |
 | | Journal (article/letter/editorial) |
| nappes reached middle crustal levels (in the amphibolite facies field), strain partitioned into structurally...Explanations: 1. serpentized peridotite; 2. amphibolite; 3. orthogneiss; 4. paragneiss; 5. migmatite...biotite-sillimanite paragneisses with frequent amphibolite bodies and less frequent carbonates, quartzites...correlated with the Letovice Ophiolite Complex. Amphibolite bodies of the Variegated Group and of GU are...and Hˆck (1994) and referred to as the Rehberg Amphibolite. As no important differences exist between the |
