 | | Journal (article/letter/editorial) | | Part 5: The Prehnite Occurrence on the Russell-Hermon Road Figure 1 (left). The prehnite occurrence on...Figure 2 (above). Map showing the location of the prehnite road cut. STeVeN C. CHAMBeRlAIN 3140 CeC Center...of the mineralization with pink adularia, green prehnite, and gray quartz; 7.5 cm. Kenneth Hollmann collection...writing this brief description. An occurrence of prehnite, fluorite, chabazite-Ca, and chalcopyrite, with...pyrite is unique in this region. Moreover, the prehnite and fluorite specimens have long merited collector |  | | Journal (article/letter/editorial) | | kilometers beyond the intrusive contact (Cook and Bowman 2000). The parent dolomitic carbonates are iron-poor...tremolite does not continue into this zone (Cook and Bowman 2000), although a single occurrence of coexisting...117.10.200] at 07:35 21 November 2015 (Cook and Bowman 2000). In samples analyzed, brucite was rare and...samples. Spinel was reported from this zone (Cook and Bowman 2000) but was not found in this study. Fibrous...1978). These contain fourCook, S. J., and J. R. Bowman. 2000. Mineralogical evidence for membered BSi3O9(OH)2 |  | Djouka-Fonkwe, M. L., Kyser, K., Clark, A. H., Urqueta, E., Oates, C. J., Ihlenfeld, C. (2012) Recognizing Propylitic Alteration Associated with Porphyry Cu-Mo Deposits in Lower Greenschist Facies Metamorphic Terrain of the Collahuasi District, Northern Chile--Implications of Petrographic and Carbon Isotope Relationships. Economic Geology, 107 (7) 1457-1478 doi:10.2113/econgeo.107.7.1457 | Journal (article/letter/editorial) | | Queen’s University, Kingston, Ontario K7L 3N6, Canada Refugio, 49 School Lane, Chalfont St. Peter, Gerrards...759 Progress Avenue, Kingston, Ontario K7M 6N6, Canada. 0361-0128/12/4063/1457-22 Taylor, 1974; Gustafson...Gustafson and Hunt, 1975; Ohmoto, 1986; Bowman et al., 1987; Norman et al., 1991; Dilles et al., 1992; Clark...similar hydrogen and oxygen isotope compositions (Bowman et al., 1987; Norman et al., 1991; Dilles et al...for Isotope Research (QFIR), Queen’s University, Canada. For carbon isotope compositions and carbon concentrations |  | Byrne, Kevin, Trumbull, Robert B., Lesage, Guillaume, Gleeson, Sarah A., Ryan, John, Kyser, Kurt, Lee, Robert G. (2020) Mineralogical and Isotopic Characteristics of Sodic-Calcic Alteration in the Highland Valley Copper District, British Columbia, Canada: Implications for Fluid Sources in Porphyry Cu Systems. Economic Geology, 115 (4). 841-870 doi:10.5382/econgeo.4740 | Journal (article/letter/editorial) | | Highland Valley Copper District, British Columbia, Canada: Implications for Fluid Sources in Porphyry Cu...University of Alberta, Edmonton, Alberta T6G 2E3, Canada 2Helmholtz 3Mineral Centre Potsdam GFZ German...Columbia, Vancouver, British Columbia V6T 1Z4, Canada 4Institute 5HEG of Geological Sciences, Free...Dickson Avenue, Kelowna, British Columbia V1Y 7T2, Canada 6Department of Geological Sciences and Geological...Queen’s University, Kingston, Ontario K7L 3N6, Canada Abstract The Highland Valley Copper porphyry Cu |  | | Journal (article/letter/editorial) | | Low temperature CO 2 -rich fluid inclusions and prehnite (stable at Xco2 <0.01), present in the marble...delineate the physical conditions of skarn formation (Bowman & Essene 1984; Hall et al. 1988). Nevertheless...the pressure, temperature and fluid composition (Bowman & Essene 1984; Einaudi et al. 1981) and indicate...fluid inclusion and stable isotopic techniques (Bowman et al. 1985). This paper has three major outcomes...Minor plagioclase, showing extensive alteration to prehnite, together with xenoblasts of quartz, is developed |  | | Journal (article/letter/editorial) | | during burial, with zeolite facies succeeded by prehnite-pumpellyite facies assemblages at greater depth...Diamictite and undifferentiated sediments DEVONIAN Y/\ Bowman beds bedding SILURIAN- EARLY CARBON. "•VA^ fold...completely replace clasts. Calc-silicate minerals (prehnite, laumontite, epidote) are common in sandstone...depth, with prehnite most abundant in the lowest parts of the sequence, grading up into prehnite-laumontite...(100Fe/Fe + Al = 22.9-28.7) is associated with prehnite (100Fe/Fe + Al = 1.3-10.8) in the higher grade |  | Byrne, Kevin, Lesage, Guillaume, Gleeson, Sarah A., Piercey, Stephen J., Lypaczewski, Philip, Kyser, Kurt (2020) Linking Mineralogy to Lithogeochemistry in the Highland Valley Copper District: Implications for Porphyry Copper Footprints. Economic Geology, 115 (4). 871-901 doi:10.5382/econgeo.4733 | Journal (article/letter/editorial) | | Earth Sciences Building, Edmonton, Alberta T6G 2E3, Canada Deposit Research Unit, The University of British...Main Mall, Vancouver, British Columbia V6T 1Z4, Canada 3Helmholtz 4Institute 5Department 6Department...Newfoundland, St. John’s, Newfoundland A1B 3X5, Canada of Geological Sciences and Geological Engineering...Queen’s University, Kingston, Ontario K7L 3N6, Canada Abstract The Highland Valley Copper porphyry deposits...narrow (1–3 cm) halos around a low density of prehnite and/or epidote veinlets. It is, therefore, challenging |  | | Journal (article/letter/editorial) | | xonotlite, prehnite, 82o Bowman Hillock, Huntly, Aberdeenshire, hornblende-schist, laumontite, prehnite, kaolinite...Bombay Island, gyrolite, okenite, laurnontite, prehnite, 658 Chinchwad, Poona, amethyst, chlorophaeite...Panvel, laumontite, 658 Sewree, Poona, chabazite, prehnite, okenite, gyrolite, 658 Thul Ghat, Syhadree Mts... astrophyllite, 97 Tugtutoq, astrophyllite, 97 Canada Churchill Falls, Churchill river ( - Grand Falls |  | | Journal (article/letter/editorial) | | Royal Ontario Museum, Toronto, Ontario M5S 2C6, Canada (Received October I, 1990; accepted in revisedform...serpentinite. marked by the crystallization of diopside, prehnite, and lizardite in the rodingite, and by the recrystallization...Research on Fluid Inclusions, held in Toronto, Canada, May 20-22, 1990. ’ Present address: Department...Saskatchewan, Saskatoon, Saskatchewan S7N OWO, Canada. 97 D. S. O’Hanley, E. S. Schandl, and F. J.... grossular; Chl. chlorite; Di, diopside; Prh, prehnite; Lz. lizardite; Chr, chrysotile; Ant, antigorile; |  | | Journal (article/letter/editorial) | | 955 Oliver Road, Thunder Bay, Ontario P7B 5E1, Canada Introduction Exploration for porphyry deposits...green rock environment of porphyry systems (e.g., Bowman et al., 1987; Norman et al., 1991; Cooke et al...alteration from deposits across five countries (Canada, USA, Chile, Australia, and Philippines), three...United States (Ahmed et al., 2020); Highland Valley, Canada (Alva-Jimenez et al., 2020; Byrne et al., 2020a...Highland Valley Copper district of British Columbia, Canada, is the focus of three papers in this Special Issue |  | | Journal (article/letter/editorial) | | Ca2A12Si3010(OH)2+A12Si2Os(OH)4+ 3SIO2+ 5H~O laumontite prehnite kaolinite quartz The object of this note is...place. The outcrop is located by a stream, near Bowman Hillock, about 4 km due west of Huntly, Aberdeenshire...birefringent mineral with the optical properties of prehnite. Mentification was confirmed by X-ray diffraction...(Bates, I97I). It appears, therefore, that the Bowman Hillock outcrop affords a good example of laumontitization...hydrothermal solutions, and subsequent decomposition into prehnite plus a kaolin mineral as suggested by Seki (I966) |  | | Journal (article/letter/editorial) | | conditions below greenschist facies. Zeolites, prehnite and pumpellyite are conspicuously absent. However...9233 975565 Bowman 9234-2-S 979608 Bowman 9234-2-S 973654 Bowman 9234-2-S 968653 Bowman 9234-2-S 965654...965654 Bowman 9234-2-S SiO2 TiO2 Al2O3 Fe2O3T MnO MgO CaO Na2O K2 O P2O5 LOI Total 57.52 1.24 15.77...AMG Map name Sheetb 957 Basalt Outcrop 970656 Bowman 9234-2-S 959 Basalt Outcrop ELH25.88 ELH58.53...Drillhole 25.88 58.53 315.1 972565 857289 857289 344598 Bowman Billyena Billyena Gulligal 9234-2-S 8937-3-S 8937-3-S |  | | Journal (article/letter/editorial) | | time identified with scolecite, has been shown by Bowman (19o9) to be mesolite. 2 Mesolite crystals sometimes...I'49) like mordenite, but is uniaxial negative. Prehnite is quite common in Bombay in association with...they occur in abundance with laumontite, calcite, prehnite, and quartz. In the Nasik and Poona regions okenite...uniaxiality. Thin sections of these minerals mounted in canada balsam are characterized by their nearly nonexistent...laumontite zone and is associated with laumontite, prehnite, and calcite. It is faintly pleochroic from almost |  | | Journal (article/letter/editorial) | | Ontario, Canada) T. A. Grammatikopoulos and A. H. Clark Queen’s University, Kingston, ON, Canada Received...pluton, in the Belmont domain, southeastern Ontario, Canada. The skarn is approximately 4 million tones grading...Minor Wo-Grt veins Wo is scarcely replaced by prehnite Cpx, Grt and Ves are <1 millimeters in grain-size...conducted at Queen’s University, Kingston, Ontario, Canada. Energy Dispersive Spectrometer (EDS) analyses...and=or higher XCO2 (Chenhall and Mazaheri, 1993; Bowman, 1998; Duzs-Moore et al., 2003). Formation of |  | Chamberlain, Steven C., King, Vandall T., Cooke, Donald, Robinson, George W., Holt, Wayne (1999) Minerals of the Gouverneur Talc Company Quarry (Valentine Deposit), Town of Diana, Lewis County, New York. Rocks & Minerals, 74 (4) 236-249 doi:10.1080/00357529909602546 | Journal (article/letter/editorial) | | tons. Pods of secondary alteration containing prehnite, calcite, and diopside in addition to wollastonite...the metasyenite and the wollastonite skarn; (2) prehnite replaces portions of the skarn and the zone of...minerals occur locally in both the quartz and prehnite replacement bodies. Mineralogy Minerals of interest...occurrence: in the marble, in cavities in the prehnite replacements of wollastonite, and in cavities...belt of the Grenville Province in New York and Canada. Graphite, C. Although graphite occurs in calcite |  | | Journal (article/letter/editorial) | | researchers, such as Savin epidote, vesuvianite,and prehnite. They occurasaland Lee (1988), prefer the experimentallydeter-...test for the presence The rodingiteswithin the Bowman mine were of CO2 (clathrate),but nonewasdetected...first Sciences andEngineering Research Councilof Canada sampleand 3.2 per rail for the secondone are ob-...d increasethe 6•80 seawatervalue, suchthat the Bowman mine serpentinites could have formed from this |  | | Journal (article/letter/editorial) | | combinations of the phases chlorite, amphibole, epidote, prehnite and pumpellyite. Projection of coexisting phases...field gradients in the region pass through the prehnite-pumpellyite and greenschist facies suggesting...Mountains; low-grade metamorphism; northern California; prehnite-pumpellyite facies; pumpellyite-actinolite facies;...University of Calgary, Calgary, Alberta T2N 1N4,Canada. The focus of previous studies in the western...hydrothermal metamorphism ranges from zeolite and prehnite-pumpellyite facies in the J U RASS I C M E T |  | Melling, D. R., Watkinson, D. H., Fox, P. E., Cameron, R. S. (1990) Carbonatization and propylitic alteration of fragmental basaltic rocks, Quesnel River gold deposit, Central British Columbia. Mineralium Deposita, 25. doi:10.1007/bf00205258 | Journal (article/letter/editorial) | | Department of Earth Sciences, Ottawa, Ontario, Canada, K1S 5B6 2 Fox Geological Consultants Limited,...Granville Street, Vancouver, British Columbia, Canada, V6C 1T8 Received: December 11, 1989/Accepted:...Geological Consultants Limited for Dome Exploration (Canada) Limited and Newconex Canadian Exploration Ltd...Metamorphic grade in the Takla Group is generally prehnite-pumpellyite or zeolite facies; the rocks are faulted... These are locally cut by veinlets containing prehnite, stilbite and calcite. Sulfide mineralogy The |  | | Report (chapter) | | et al. 1980, Nitsch et al. 1981, Jenkins 1984) prehnite = grossular + zoisite + (18) quartz + water vapour...3SIO2 + 4H20 (Liou 1971a, Perkins et al. 1980) prehnite = grossular + lawsonite + (19) quartz 2CazAlzSi3Ol0(OH)2...Petrogenetic grids based on the stability of zeolites and prehnite may be useful (e.g. Liou, 1971a, b), although...facies name is here defined to include both the prehnite-pumpellyite and pumpellyiteactinolite facies....Reactions (18) and (19) govern the upper stability of prehnite. Calculations of the locus of reaction (18) (Perkins |  | | Report (issue) | | with secondary minerals) is filled with radial prehnite (gray, white, yellow, red ana blue in center)...ana pink in upper right), guartz (gray between prehnite and epidote) and chlorite (very dark colored mineral...assemblage is left), representative of the prehnite-pumpellyite Complex and is thought to reflect...assemblages of pumpellyite, chlorite, quartz, prehnite and sphene. Vein minerals include pumpellyite...assemblage of laumontite + Fe-rich pumpellyite + prehnite. Metamorphism of these rocks is generally suggested |  | | Journal (article/letter/editorial) | | and zircon in the offshore Scotian Basin, eastern Canada: Significance for understanding thermal evolution...Nova Scotia B3H 3C3, Canada Abstract In the Scotian Basin, offshore eastern Canada, an unusual combination...the Cretaceous were felt throughout the basin (Bowman et al. 2012). In the latest Jurassic and early...widespread paleomagnetic resetting of basement rocks (Bowman et al. 2012). Barite and sphalerite are widespread...Wade and MacLean (1990), volcanic centers from Bowman et al. (2012), and paleorivers and major faults |  | | Journal (article/letter/editorial) | | A., D.Sc., F.R.S. Vice-Presidents. Prof. H. L. Bowman, ~[.A., D.Sc., F.G.S. A. Hutchinson, M.A., Ph.D...Geological Congress held at Toronto, Prof. H. L. Bowman acted as a delegate to repreaent the Society. The...by Dr. G. T. Prier. Specimens of Heulandite and Prehnite from Wales were exhibited by Mr. Arthur Russell |  | Soloviev, Serguei G., Kryazhev, Sergey G., Dvurechenskaya, Svetlana S. (2020) Geology, mineralization, and fluid inclusion characteristics of the Agylki reduced tungsten (W-Cu-Au-Bi) skarn deposit, Verkhoyansk fold-and-thrust belt, Eastern Siberia: Tungsten deposit in a gold-dominant metallogenic province. Ore Geology Reviews, 120. 103452 doi:10.1016/j.oregeorev.2020.103452 | Journal (article/letter/editorial) | | amphibole-chloritequartz, and quartz-epidote-clinozoisite-prehnite assemblages (Fig. 7C-E). The quartz- phlogo...retrograde skarn amphibole. Epidote, clinozoisite and prehnite are ubiquitous and are closely associated with...as ~250oC under pressures of 2-3 kbars, whereas prehnite stability extends further to temperatures of ~200oC...kbars (Liou, 1993). Thus, ubiquitous epidote and prehnite indicate an evolution toward the lower temperature-lower...~350300oC, as evidenced by the presence of epidote and prehnite. Again, pressure can be estimated for type 2 inclusions |  | | Journal (article/letter/editorial) | | Germany A garnet population in Yellowknife schist, Canada R. Kretz, Ottawa-Carleton Geoscience Centre, The...The University of Ottawa, Ottawa, K1N 6N5, Canada Low-thermal-gradient Hercynian metamorphism in the...greenstone thrust belts, 685 Grenville Province, Canada, 745,763 Grenvillian orogeny, 321 Hercynian, 1...517 post-thickening uplift, 203 Precambrian, 17 prehnite-pumpellyite, 147 pressure-temperature-time-deformation-space...metabasites of the Cape Smith Belt, northern Qutbec, Canada: three new bathograds for mafic rocks, 685 Beiersdorfer |  | | Journal (article/letter/editorial) | | Ozu-Kawabegawa Fault within the accretionary prism during prehnite-pumpellyite facies metamorphism. The fluid source...metabasites are characterized by the key minerals prehnite, pumpellyite, epidote and chlorite (Sakakibara...Representative low-variance mineral assemblages are: prehnite + pumpellyite + epidote + chlorite, pumpellyite...temperatures are consistent with the recorded prehnite-pumpellyite facies (Cho et al., 1986; Sakakibara...boundary between the pumpellyiteactinolite and prehnite-pumpellyite facies is estimated to be 2.5 kbar |
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Bowman, Papineau RCM, Outaouais, Québec, Canada