 | | Journal (article/letter/editorial) |
| (1986) © Springer-Verlag 1986 Strata bound scheelite in the Archean Malene supraerustal belt, West...2% W and 0.16ppm gold. The tungsten occurs as scheelite which is associated with tourmalinites and stratabound...zinc, copper, lead, molybdenum, and tin. The scheelite is shown to be strata-bound and of submarine exhalative...rocks, as a result of which the first traces of scheelite were discovered in heavy-mineral concentrates...during 1983 and 1985 and revealed an abundance of scheelite-bearing streams. Follow-up work on these discoveries |
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| Conditions of Metamorphism, Structure, 290 Amphibolite, Geochemistry, Petrology, Pelitic Rocks, ...map of the Kenny Hill formation, Upper Paleozoic outcrops in Southeast Asia, Geosynclinal organization...the other on the east. In the center, limited outcrops of mainly Permian rocks occupy anticlinal cores...erosion, and they now form very re- stricted outcrops. In Malacca minor granite bosses were intruded...conclusively demonstrated. The Machinchang Formation outcrops in the west of the Langkawi Islands. It comprises |
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| metamorphism increased progressivelyto upper amphibolite and even granulite facies. Yioolsdrif Suite and...Metamorphic Complexes consist ofmidProterozoic, upper amphibolite facies ortho- and paragneisses. metasediments...Hawkesworth and Marlow. 1983; Marlow. 1981). Scheelite skarns are developed in places, apparently in...paragneiss containing quartzite, mica schist and amphibolite layers are the main rock types that make up the...calc-silicate rock, hornblende gneiss and amphibolite. Minor amphibolite dykes cut the granite. A large poorly |
 | | Report (issue) |
| Huebnerite Ferberite Ferrimolybdite Wolframite Scheelite Calcite Magnesite Siderite (Sideroplesite) Rhodochrosite...constituent of a schistose curnrningtonite-tourmaline amphibolite at the Newark gold mine five miles west of Custer...te marble lies in contact with a dark-green amphibolite containing 65 to 75 % hornblende about three...marble which lies in contact with a dark-qreen amphibolite containing 65 to 75 % hornblende, about three...and dacites and in other parts of the Hills in amphibolite, lime-silicate ellipsoids, and many other rock |
 | | Journal (article/letter/editorial) |
| in the Nuuk region were metamorphosed under amphibolite facies conditions, they are called “greenstone... These orthogneisses contain many layers of amphibolite and anorthosite, both of which are up to ca....association occurs in alternating granulite and amphibolite facies belts (Bridgwater et al., 1976). Since...belt has been repeatedly metamorphosed up to amphibolite facies and folded during several phases of deformation...primary structures in some domains, and in many outcrops it has severely changed the composition of the |
 | | Journal (issue) |
| PLATIVET, LONDON Specialists in : WOLFRAM SCHEELITE CHROME MOLYBDENITE TANTALITE AMBL YGONITE...the text The bulk of the material comes from outcrops on and near the Cross River in the vicinity of...Volutomorpha?mungoensissp. nov. A limestone which outcrops in the south bank of the Benue River at the town...Material.- ttn1erol1 casts. Occz1rre1,ce.-l1ale outcrops alo11g tl1e Ent1gt1- kalagt1 t'Oad. Collector.... Petrology of the Burnb11na Ring . . . . . Amphibolite Rocks . . . . . . . Ophitic Dyke Rocle . . . |
 | | Corporate Document |
| Tshanda and Mero deposits. Several mineralised outcrops were also observed, providing limited first hand...this orientation are barren. Massive blocks of amphibolite along with pegmatite outcrop over several tens...northeast-southwest is further emphasised by pegmatite and amphibolite outcrops in the south of the deposit area southeast...Tshanda, Flat Mero and Vein 16 pits to the east. Sub-outcrops of veins associated with these pits and palaeo-placer...schist and with hornblende/epidote bands in the amphibolite. Two generations of quartz are defined, the first |
 | | Report (issue) |
| Ashe the on-strike equivalent (Brown, domains amphibolite dominated Lynchburg Formation in Virginia, Formation...sulphur-rich shale sequences. It is notable that the amphibolite units typically concentrate at lithological breaks...a strong west to east mid-greenschist to mid-amphibolite facies metamorphic gradient. Although a gross...lineament. Paleozoic strata are infolded with amphibolite facies gneisses comprising the Hatcher Complex...Glover, 1983). The apparent continuity of the amphibolite-grade metamorphic overprint of the eastern Chopawamsic |
 | | Report (issue) |
| points, and do not resemble the quartztourmaline outcrops immediately at hand. A good deal of the material...coastal peneplain is granite serpentlJ~e. .gabbro-amphibolite, and slate and sandstone. Thus It wlll be seen...granite, slate, sandstone, serpentine, and gabbro-amphibolite have been worn down to a common level, giving...factors which have distinctly aided prospecting. Outcrops are located with comparative ease, and they may...the topographical features. The occurrence of outcrops on the hill-slopes , and their dissection by the |
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| remained unknown until much later. The extensive outcrops of phyllite and slate were already well known...term, for the region, although it does contain outcrops of Carboniferous-Permian basement rocks, is dominated...where it crosses the Sungai Kerait (Figure 5). The outcrops appear as windows within the Upper Triassic Sadong...tremoUte schist. Quartz veining is conmion, but all outcrops are weathered. The age is unknown but inferred...in manuscript; Tate and Hon, 1991) forms small outcrops of greenschist facies schists as windows within |
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| 20 either buried by transported overburden, outcrops at surface or has residual soils forming directly...minerals attracted early man to conspicuous gossanous outcrops from which he extracted gold, silver and copper...advent of Mohammed in 570 AD. The ferruginous outcrops of Cornwall yielded copper and tin twenty-four...universally accepted classification system for Fe-rich outcrops (French: chapeaux de fer). The terminology used...colour contrast that may be utilized to locate outcrops by colour aerial photography. Glasson (1973) used |
 | | Report (volume) |
| faulting, but possibly by overlap. A dike of amphibolite outcrops in the slopes a short distance south of...Fluorite Eidge. The most numerous are dikes of amphibolite which traverse the granite south and west of...interrupted by faulting and talus. In some of the outcrops northwest of Gym Peak the sandstone appears to...appear to be crushed out or faulted down. Small outcrops of the upper part of the formation appear at the...feature and gives considerable prominence to'the outcrops. It occurs mostly in thin beds alternating with |
