 | | Report (issue) | | Geological Survey of Canada Miscellaneous Report 57 Cobalt – Belleterre – Timmins Ontario and Quebec Ann...Ann P. Sabina 2000 Geological Survey of Canada Miscellaneous Report 57 ROCKS AND MINERALS FOR THE COLLECTOR...Timmins Ontario and Quebec Ann P. Sabina 2000 ©Her Majesty the Queen in Right of Canada, 2000 Catalogue...Available in Canada from Geological Survey of Canada offices: 601 Booth Street Ottawa, Ontario K1A 0E8 3303-33rd...for reference in selected public libraries across Canada Cette publication est aussi disponible en français |  | | Journal (article/letter/editorial) | | accepted 14 April 1987) INTRODUCTION The Outokumpu district of Finnish Karelia is economically important,...GEOLOGY The stratiform ore deposits of the Outokumpu district of North Karelia are an integral part of a sequence...(Gaal et al, 1975). This sequence comprises serpentinite at the base which is overlain by dolomite, quartzite...al., 1981; Treloar & Putnis, 1982). While the serpentinite itself has been interpreted as part of an ophiolite...the serpentinite. General relationships include the common separation of skarn and serpentinite by dolomite |  | | Journal (article/letter/editorial) | | Concentric mineral zonation in sinsence of rare serpentinite rinds indicate that they are derived gle rock...Cr-chlorite that is in contact with serpentinite. Most serpentinite at 450°C and 2 kbar produced reaction...Both micas contain a significant para- (from serpentinite), and boron released from the breakdown of gonite...alteration of quartzqfeldspathic schist enclaves in serpentinite. Isocon analysis indicates that INTRODUCTION...inclusions in diamond from the Sao Luiz alluvial mine, Brazil. The 12-8% Cr 2 O 3 value reported here |  | | Journal (article/letter/editorial) | | Te Anau Series Rodingite 12 • Lower Permian Serpentinite; dyke-like mass 300 Amphibolites; brown hornblende...cores of augite occur in the hornblende. As a serpentinite dyke is approached, the rocks become heavily...except for a short distance on either side of the serpentinite dyke where the hornblende in the amphibolites...18, 2015 Four well-exposed contacts between serpentinite and the amphibolite were examined. In each case...illustrated by 94287, 94286, and 94285. The serpentinite (94287) is a massive greenish-black variety |  | | Journal (article/letter/editorial) | | Contact Metamorphism of Serpentinite, Chloritic Blackwall and Rodingite at Paddy-Go-Easy Pass, Central...The 2 km wide contact aureole produced from serpentinite by the intrusion of the Mount Stuart Batholith...has been altered to chrome-magnetite in the serpentinite. This alteration seems to be isochemical over...form 20 May 1974) CONTACT METAMORPHISM OF SERPENTINITE, ETC. 273 morphic events. The first was a...of blocks of non-serpentinized peridotite in serpentinite. The primary peridotite is lherzolite, being |  | | Journal (article/letter/editorial) | | Contact Metamorphism of Serpentinite, Chloritic Blackwall and Rodingite at Paddy-Go-Easy Pass, Central...The 2 km wide contact aureole produced from serpentinite by the intrusion of the Mount Stuart Batholith...has been altered to chrome-magnetite in the serpentinite. This alteration seems to be isochemical over...form 20 May 1974) CONTACT METAMORPHISM OF SERPENTINITE, ETC. 273 morphic events. The first was a...of blocks of non-serpentinized peridotite in serpentinite. The primary peridotite is lherzolite, being |  | | Journal (article/letter/editorial) | | tectonically constructed. There are isolated serpentinite lenses at discrete levels within it (Van der...volumes of leucocratic, acidic rocks, and some serpentinite slices outcrops along a 3 by 1 km belt in the...z—zoishe.) Metabasites immediately adjacent to the serpentinite bodies, and those as included blocks within...phases. POSSIBLE METASOMATIC EFFECTS OF THE SERPENTINITE BODIES The same suite of minerals is seen in...in the blocks enclosed within serpentinite as in the rest of the meta-igneous suite. There are however |  | | Report (issue) | | ...................... 38 Laterite cap on serpentinite........................ 39 Quaternary deposits...Hornblendic metagabbro..................... 59 Serpentinite.................................... 60 Lithology....... 100 La Bramadora mine.............................. 104 Berlin mine..................................................... 108 Supfa placer district.......................... 108 Puerto Antioquia...prospect............... 110 Porcecito placer district...................... Ill Iron............. |  | SCAMBELLURI, M, PICCARDO, G, PHILIPPOT, P, ROBBIANO, A, NEGRETTI, L (1997) High salinity fluid inclusions formed from recycled seawater in deeply subducted alpine serpentinite. Earth and Planetary Science Letters, 148 (3) 485-499 doi:10.1016/s0012-821x(97)00043-5 | Journal (article/letter/editorial) | | recycled seawater in deeply subducted alpine serpentinite Marco Scambelluri a3*, Giovanni B. Piccardo...Shear localization during convergence produced serpentinite-mylonite shear zones (high-strain domains) surrounding...olivine-bearing assemblage in the peridotites [20]. The serpentinite mylonites forming the high-strain domains display...contrast between rigid mafic rocks and ductile serpentinite at eclogitic conditions and indicate that the...was accompanied by partial dewatering of the serpentinite precursors, due to the brucite-consuming reaction: |  | | Report (issue) | | recesses in the Green Hountain antieltnoriom. A, talc mine is operated northeast of Johnson Village, and another...alls P. fhe srea i» prijaarll^ an agricultural district! Itusberijag, th© of forest p^odacte, and mining...and is in Morricvillo, A talc mine ana mill are in end nn ecbestos mine and saill arc in I4en, Just nortii...in diameter, but the northern tltlrds of the T&lc Mine and C$>er .^-chool bands aj^c quartg-slfc-lte»s...typically developed in the southeastern part of Stows township and adjoining areas* H The nazne Stowe for&ation |  | | Book | | by the following publishers for the U. S. A. and Canada Elsevier Science Publishing Company, Inc. 52 Vanderbilt...chrysoberyl. Leaching of SiOp from pegmatite in serpentinite gives rise to zeolites, carbonates and clay...Carbonatites axist in a similar position in the U.S.S.R., Canada and India). Carbonatites need for their formation...chiefly clay minerals, Pe oxides and hydroxides, mine- 38 rals of bauxites, less often carbonates (e...of Middle Devonian evaporite deposits in western Canada (with potassium salts in the centre of the basin |  | | Journal (article/letter/editorial) | | Glaucophane schist has been only found in the Juisui district and appears to be rare in Taiwan, however, its...schist, quartz-sericite schist, graphite schist, serpentinite, and some glaucophane schist. In contrast, the...schist and associated tectonic blocks of the Juisui district do not appear to be directly associated with serpentine...location boulder FIG. 2. Geologic map of the Juisui District showing foliation directions and specimen locations...association of such metatuffs with basalts and serpentinite in the Yuli belt may indicate that these metamorphosed |  | | Report (issue) | | fluids responsible for gold deposition, Alleghany district, Sierra County, California, 26 McMillan, W. J...the Guichon Creek batholith in British Columbia, Canada, as it relates to highland Valley ore deposits...Upper Cretaceous turbidite sequence, Hope-Sunrise district, southern Alaska, 5 Radtke, A. S., Wittkopp, R...of gold-bearing quartz veins of the Alleghany district, California (abs.), 25 Robyn, T. L., Henage, L...Geology and mineralization of the Washougal mining district, Skamania County, Washington, 15 Shreiner, Alexander |  | | Journal (article/letter/editorial) | | found (and analysed) by Macgregor (1928) near Lonely Mine, Rhodesia. Two distinct suites of greenstone belt...Rhodesian climate and in mines and boreholes serpentinite often passes into relatively fresh rock at a...0-20 17-80 7-54 0-84 002 005 NG121 SiO2 TiO 2 AljO, Fe 2 O 3 FeO 2 MnO MgO CaO Na 2 O K2O NG120 1528...geology of the country around the Lonely Mine, Bubi District. Bull. geol. Surv. Sth. Rhod. 11. 1947. An...mineralisation of the Shabi shear zone, Shabani District, Southern Rhodesia. Unpubl. Ph.D. thesis, Univ |  | | Journal (article/letter/editorial) | | cannot be related solely Collage, Flin Flon Belt, Canada (Stern et al., 1995). by fractional crystallization...Isotropic gabbro Gabbroic dykes Mantle pendotite (serpentinite) Clinopyroxeneamphibole±gamet dykes Fig. 3...metagabbro (Fig. 4a) and to a lesser extent serpentinite (mantle peridotite) are common in the sheeted...suite' dykei intruding the mantle tectonite (now serpentinite). Such dykes (not sampled) can be observed to...typical 5 cm wide dark green margin along the dyke-serpentinite contacL (Note that the alteration selvage overprints |  | | Report (issue) | | rocks. Ultramafic rocks, altered to steatite and serpentinite, intrude the early Precambrian rocks; mafic...granodiorite of the Bac.ao complex and Congonhas district is presumed to be about 2,700 m.y. old; Group...posttectonic. Ultramafic rocks are found as serpentinite, talc schists, and metagabbro intruding schists...in the Rio Acima and Macacos quadrangles. The serpentinite forms a narrow body about 4 km long, bordered...previous structures. Mafic dike rocks in the Raposas mine are foliated and crt preMinas iron-formation. Other |  | | Journal (article/letter/editorial) | | crop out directly on the northwest side of the serpentinite. Therefore, the Insubric Line probably passes...Peridotite, after Lensch (1971a) W--E S 0) Serpentinite Lherzolite and magnesite-rich ultramafic rocks...the body suggest that the mass—or at least its serpentinite sheath—may occur as a subhorizontal sheet. Such...pyroxene coexisting with spinel is rather small: AljO^" and Al2O°px isopleths are subparallel to the pressure...significance because of the near parallelism of the AljO^* and A12O5PX isopleths with the pressure coordinate |  | | Book | | . . . . . . . . . . . . . . . . . . . . . . . Canada . . . . . . . . . . . . . . . . . . . . . . . ...for radioactive nunerals in different parts of Ontario and came about as a result of placing 1nineral...Elclorado deposit, Great Bear Lake, Canada; Gold.fields district, Canada) (Fig. '2.7). Brecciated pitchblende...pitchblende, Port Radium, Great Bear Lake, N.W.T., Canada. Cracks and borders of spherulites contain covellite;...and quartz (black) which also replaces core. Bigay mine, Lachaux, Auvergne, France ( X 100) ( Geffroy and |  | | Journal (article/letter/editorial) | | Thompson (1981,fig.28). The coordinates A + N = AljO 3 + Fe 2 O 3 + Cr 2 O 3 + TiO 2 + (Na 2 O + K 2...New Caledonia: phase equilibria in the Ouegoa District. Tectonophysics, 43, 89-107. Brown, E. H., & Bradshaw...Zurich University. Coleman, R. G., Lee, D. E., Beatty, L. B., & Brannock, W. W., 1965. Eclogites and...eclogites in the Sambagawa metamorphic belt, Besshi District, Japan. J Petrology, 25, 619^3. Thompson, A. B...(732500/146700) Dolomite marble of unknown age at serpentinite contact. Poikiloblasts of jadeite-poor omp +primary |  | | Book (volume) | | Forsterite, crystalline limestone, Mogok Mining District, Burma (Adams and Graham, 1926). Olivine, with...Olivine, forsterite—mica—magnetite rock, Vostochyni mine, Ensky, U.S.S.R. (Sobolev, 1947). Olivine, tuff...-> 3Mg2Si04 + 3Si02 and the formation of the serpentinite in the low pressure regions in the crests of...minerals from the Ruby mining district of Mogok, Upper Burma. Trans. Roy. Soc. Canada, 3rd ser., vol. 20, sect...Petrology of the Memesagamesing Lake norite mass, Ontario, Canada. Amer. Journ. Sci., vol. 253, p. 590. Game |  | Pavlides, Louis, Arth, Joseph G., Sutter, J.F., Stern, T.W., Cortesini, Henry (1994) Early Paleozoic alkalic and calc-alkalic plutonism and associated contact metamorphism, central Virginia Piedmont. Professional Paper 1529. US Geological Survey doi:10.3133/pp1529 | Report (issue) | | Suite........................................... Mine Run Complex ............................................................................. 7 Serpentinite, Talc Schist, and Chlorite-Rock ... Greenstones............................... Olistoliths of the Mine Run Complex................................ Plutonism...of the Chopawamsic Formation, olistoliths of the Mine Run Complex and from the mafic pluton of the Lahore...rocks, and exotic mafic blocks from melange of the Mine Run Complex..... 10. Diagram showing composition |  | | Book (volume) | | Haliburton and Bancroft areas in Ontario, or in the Coimbatore district of Madras. Although originally...gneisses as in the Grenville series of Ontario. In Renfrew County, Ontario, corundum is erratically distributed...of the corundum deposits of Renfrew County, Ontario, Canada. Bull. Geol. Soc. Amer., vol. 68, p. 1605....p. 264. Eckermann, H. von, 1948. The alkaline district of Alno Island. Undersok., Ser. Ca., No. 36. Eppler...nepheline and corundum rocks of south-eastern Ontario. Amer. Min., vol. 34, p. 736. Muan, A. and Gee |  | | Report (issue) | | Olivenite, 1.6-cm cluster, Majuba Hill Mine, Antelope district, Pershing County. N. Prenn collection.... Davis The Goodsprings (Yellow Pine) Mining District, Clark County John C. Kepper 91 References ...COLOR PLATES (following page 242) Gold, Mexican Mine Gold, Majuba Placer Pyromorphite after Galena with...Round Mountain Mine Quartz, Lovelock area Acanthite Grossular, Nightingale district Quartz epimorph...after Calcite Agardite Grossular, Buena Vista district Quartz (amethyst) and Calcite Almandine-Spessartine |  | | Journal (issue) | | Ml George W. Robinson Natl. Museums of Canada Ottawa, Ontario Abraham Rosenzweig Tampa, FL Richard W...Angeles County George Robinson National Museums of Canada Arthur Roe Univ. of Arizona, Tucson Abraham Rosenzweig...albite and lepidolite, mined recently at the Himalaya mine, Pala, California. William Larson collection; photo...localities: the Himalaya dike system, Mesa Grande district, California (by E. E. Foord) [1977, vol. 8, no... 6, p. 461-474.]* The reopening of the Himalaya mine (by D. Eidahl) [1977, vol. 8, no. 6, p. 475.]* The |  | | Journal (article/letter/editorial) | | 40-13 55-56 5204 TiO2 005 007 0-16 0-52 001 AljO 3 59-44 19-77 339 7-57 62-12 6-37 SiO2 Cr2O3...during metamorphism of spinel peridotite or serpentinite possibly assisted by Downloaded from http://petrology...kimberlites of northern Lesotho and the Monastery mine, South Africa. Physics and Chemistry of the Earth |
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