 | | Report (issue) | | = 4.6 Z = n.d. X-ray Powder Pattern: Muskox intrusion, Canada; preferred orientation evident. 2.308...Total 100.3 100.00 36.09 23.05 • (1) Muskox intrusion, Canada; corresponds to Mg6.82 Fe3+ 4.00 O12.82...Association: Lizardite, coalingite, Mg–Fe–Mn oxides. Distribution: Canada. Name: In the Muskox intrusion, Coppermine...Coppermine River area, Northwest Territories, For its occurrence in the Muskox intrusion, Canada. Type... Ottawa, 12123; Royal Ontario Museum, Toronto, Canada, M36526. References: (1) Jambor, J.L. (1969) Muskoxite |  | | Report (issue) | | to MgI0.16Fe2.06CO.81 H28.28029' (3) Muskox intrusion, Canada; after corrections for total loss on ignition...layered ultramafic complex (Muskox intrusive, Canada). Occurrence: Lizardite, antigorite, chrysotile, ...Pennsylvania. In the Muskox intrusion, Coppermine River area, Northwest Territories, Canada. At Hagdale, Unst...(2) Jambor, J.L. (1969) Coalingite from the Muskox intrusion, Northwest Territories. Amer. Mineral., 54 |  | | Journal (article/letter/editorial) | | altered to serpentine minerals and thompsonite. Lizardite and chrysotile developed in the cumulus olivine...of the Ultramafic zone. They include (1) the lizardite-chrysotile-magnetite _+thompsonite (or other zeolites)...chlorite-chromite-ferrichromite assemblages associated with lizardite-but no brucite-in adjacent rocks discussed by...hornfels-textured ultramafic rocks with overprinted lizardite-chrysotile assemblages described by Page and Nokleberg...(1966). Lizardite and clinochrysotile are the only serpentine minerals present and lizardite is by far |  | | Journal (article/letter/editorial) | | bodies, the high-temperature Mt. Albert alpine intrusion, and the kimberlite body at Moses Rock, Utah;...near-surface weathering origin. The 6D values of the lizardite-chrysotile serpentines from all of the ultramafic...position and latitude of the sample locality. The lizardite-chrysotile samples show a progressive change in...Columbia ( - 162 to -205). The 601* values of lizardite-chrysotile range from +8*7 to -5.0 per mil and...such serpentinization, suggest that much of this lizardite-chrysotile serpentinization probably formed by |  | | Report (issue) | | New Zealand; by electron microprobe. (2) Muskox intrusion, Canada; by electron microprobe. (3) CoFe. Occurrence:...In a dominantly lizardite serpentine at the western contact of an ultramafic intrusion; thought to have...Island, New Zealand. In the Muskox intrusion, Northwest Territories, Canada. Name: For the Wairau Valley |  | | Journal (article/letter/editorial) | | w i t h replacement of primary silicates by lizardite and clinochrysotile, minor magnetite, and traces...investigations on serpentinites indicated that lizardite-clinochrysotile serpentinites may f o r m at 100°--350°C...data of WENNER and TAYLOR (1971) on continental lizardite-clinochrysotile serpentinites yielded temperatures...locally, and possibly later, and Fea+-bearing lizardite and clinochrysotile from the Y o u n g Granodiorite...Washington (MILTOX and MILTON 1958) and the Pefkos area, Cyprus (ANTu>~ et al. 1966). Although the above |  | | Journal (article/letter/editorial) | | up to 0.2 mm in size. It is associated with lizardite, chrysotile and brucite, which are typical kimberlitic...that the mixture of serpentinegroup minerals (lizardite, chrysotile) is predominant through the all samples...et al. (a) Grt – garnet Phl – phlogopite Lz – lizardite 12000 Mag – magnetite Pyr – pyroaurite 10000...cores of drilling from the Muskox intrusion, Northwest Territories, Canada concluded that this mineral...assemblage, typical of the serpentinite (chrysotile, lizardite, and brucite) having undergone supergene alteration |  | | Journal (article/letter/editorial) | | retrograde serpentinites, where either antigorite, lizardite, or chrysotile may be present. The presence of...et al., 1982). For this reason the idealized lizardite or chrysotile formula will be used to balance...between the antigorite formula and that of ideal lizardite or chrysotile are so slight that this convention...stable topology for the system Fe-Mg-SiO-H. Stippled area is the stabilityfieldfor olivine. Numbers in parentheses...the stability field of antigorite. In contrast, lizardite/chrysotile serpentinites, which are restricted |  | | Journal (article/letter/editorial) | | many ultramaficrocks,as for example,in the Middle River Range, British Columbia (Little, 1949), at Timmins...dolomite, hm -- hematite, hz = heazlewoodite,liz = lizardite, mg -- magnetite, mgs = magnesite,mk = mackinawire... 1963; Bright and Lake, 1965 Middle Little, River Range, B.C. 1949 Serpentine facies po-mg-pn sp...aw-pn-mg ant hz-ml- (mg) ant Muskox intrusion, N.W.T. Muskox intrusion, N.W.T. Poschiavo, Selva-Quadrada...hz-pn (-mg) hz-mg aw(-mg) sp sp sp sp Heazlewood River, Tasmania Trial Harbour, Tasmania Canari, Corsica |  | | Report (issue) | | by analogy to valleriite. (2) Dumont property, Canada; by electron microprobe, (OH)1− calculated; corresponds...Association: Troilite, pyrrhotite, sphalerite, calcite, lizardite (Voronezh region, Russia); pyrrhotite, forsterite...clinohumite, hydromagnesite, graphite, calcite (Bancroft, Canada). Distribution: In Russia, in the Voronezh district...Cornwall open pit, Lebanon Co., Pennsylvania, USA. In Canada, in the Stephen Cross and Maxwell quarries, near...Dumont property, near Amos, Quebec; in the Muskox intrusion, Northwest Territories; from near Bancroft |  | | Journal (article/letter/editorial) | | (MgzCa content y25%) serpentine group, commonly lizardite, chemical formula Mg3Si2O5(OH)4 (Mg content y25%)...mineral (PGM) resources complied by Natural Resources Canada (NRCAN) (2012) and a dataset containing information...calculated by a simple multiplication of estimated area and thickness and this figure appropriately modified...Semail, Oman/UAE; Bay of Islands, Newfoundland, Canada Layered igneous intrusions Large intrusions formed...pyroxenite can extend laterally over the whole intrusion. Serpentinisation is variable with alteration |  | Kanellopoulos, Christos, Valsami-Jones, Eugenia, Voudouris, Panagiotis, Stouraiti, Christina, Moritz, Robert, Mavrogonatos, Constantinos, Mitropoulos, Panagiotis (2018) A New Occurrence of Terrestrial Native Iron in the Earth’s Surface: The Ilia Thermogenic Travertine Case, Northwestern Euboea, Greece. Geosciences, 8 (8) 287 doi:10.3390/geosciences8080287 | Journal (article/letter/editorial) | | thermogenic travertine deposit, located at Ilia area (Euboea Island, Greece). The deposit is forming...consideration all the available data concerning the study area, we propose two possible scenarios: (i) Ilia’s native...Kessel, Germany [20,21] and from the Khungtukun intrusion, Maimecha-Kotui magmatic province in northern...Additionally, native iron has been found in layered intrusion and ophiolitic rocks such as serpentinized dunites...best known and documented occurrences are from Muskox, Canada [30], the Mina do Abessedo, Portugal [31], |  | | Journal (article/letter/editorial) | | ultramafic rocks is: lizardite, chrysotile, magnetite:t:brucite:t:antigorite. Lizardite-ehrysotile serpentinites...was serpentinized in a higher P,T regime than lizardite and chrysotile. The iron substitution into serpentine...the family name of the three major minerals (lizardite, chrysotile, antigorite) or as a general term...Bailey 1969). Wicks & Whittaker (1975) consider lizardite, chrysotile, and par~chrysotile to be polymorphs...l layer silicates (Wicks & Whittaker 1975). LIZARDITE - flat layered serpentines (1, 2, or multflayered) |  | | Journal (article/letter/editorial) | | non-pseudomorphic forms) described below, are either lizardite (1T) or clino-chrysotile. However, the Raman spectra...ternary composition, most of the chrysotile and lizardite phases analyzed in this study fall into the SiO2-poor...Anth anthophyllite - (Mg, Fe)vSisOzz(OH)2 ; L lizardite - (Mg, Fe)3SiaOs(OH)4 ; Clr chlorite - range of...structures (mesh centers) contain relict olivine, lizardite+chrysotile+brucite (_+magnetite), or sulfide aggregates...partings of the mesh centers are filled with lizardite + chrysotile + brucite, the latter occasionally |  | | Journal (article/letter/editorial) | | with data for similar sulphides from the Outokumpu area, Finland, suggests that the non-stoichiometric ...serpentinites comprise antigorite with chrysotile + lizardite, probably metastable (Trommsdorff, 1983), and...discovered in the Lunghin- and in the Grevasalvas area (Swiss Topographic Coordinates: 771.40/142.55 and...Associated Minerals In the Lunghin- and Grevasalvas area, Oberengadin, accessory Co-Ni-As phases have grain...As-S-NiFeCo diagram for phases from Oberengadin (Lunghin area, squares; Grevasalvas circles) and Val Malenco (triangles) |  | | Journal (article/letter/editorial) | | . . . . Allanite from the Mount Wheeler 'White area, Pine County, N e v a d a( L e e ,B a s t r o m...Aragonite in the Franciscan rocks of the Pacheco Pass area, California (McKee) Argillaceousrocks, a scheme...with Lee, D. E, Allanite from the Mount Wheeler area. White Pine 1327 County,Nevada. .. Basumallick,...Fahey, J. J. Occurrence of stevensite in the Green River formation of Wyoming. Bravoite zoning, a statistical...1488 186,810 Campbell, F. A. Lazulite from Yukon, Canada 157 Carozzi,A. V. External characters of n'rinerals |  | | Journal (article/letter/editorial) | | 65 Ga. Stratigraphic correlation throughout the area is tenuous, although detailed stratigraphic columns...particular, komatiitic dunites are absent in the area south of Kalgoorlie which contains the important...Clifford (sample 85389, plane polarised light). C Lizardite pseudomorphs after ovoid olivine and minor interstitial...similar to those from olivine cumulates in the Muskox Intrusion (Irvine and Smith 1967), occur in several...base of body, Mount Clifford 3. Sample 85403, lizardite serpentinite after coarse-grained adcumulate komatiitic |  | | Book | | A. T. N. IRVINE, Geological Survey of Canada, Ottawa, Canada E. D. JACKSON, U.S. Geological Survey,...S.A. C. H. SMITH, Geological Survey of Canada, Ottawa, Canada Contributors vi H. SORENSEN, Universitetets...Bhattacharji, Geological Survey of Canada, and the National Research Council of Canada. T. N. Irvine: J. A. Noble...The ultramafic rocks of the Muskox intrusion, Northwest Territories, Canada By T. N. Irvine and C. H. Smrru...dunite Structures in the dunite Serpentinization Intrusion of the dunite mass > QAmMOOW Conclusions 160 |  | Ismail, Sabah A., Kettanah, Yawooz A., Chalabi, Sawsan N., Ahmed, Ahmed H., Arai, Shoji (2014) Petrogenesis and PGE distribution in the Al- and Cr-rich chromitites of the Qalander ophiolite, northeastern Iraq: Implications for the tectonic environment of the Iraqi Zagros Suture Zone. Lithos, 202. 21-36 doi:10.1016/j.lithos.2014.05.013 | Journal (article/letter/editorial) | | College of Science, Dalhousie University, Halifax, Canada d Faculty of Earth Sciences, King Abdulaziz University...respectively (Numan, 1997). The IZSZ occupies an area of ~ 5000 km2 along the Turkey–Iraq–Iran borders...ophiolite is part of the Qalander Mountain, Baradost area, Iraqi Kurdistan region that lies ~ 100 km northeast...thickness of Walash–Naopurdan Group in the study area is ~ 2000 m. An Eocene age was proposed for the...chromitite hosting ultramafic bodies in the Qalander area are relatively small (2.0 km long and 0.3–0.5 km |  | | Journal (article/letter/editorial) | | M5S 3B1, Canada 2 Royal Nickel Corporation, 220 Bay St, Suite 1200, Toronto, ON M5J 2W4, Canada Abstract...sill is a differentiated ultramafic to mafic intrusion located in the Abitibi greenstone belt of Quebec...hosts at least five ultramafic complexes in the Amos area at approximately the same stratigraphic level (Duke...serpentinization. The Dumont sill is an ultramafic intrusion which contains a large zone of Ni-bearing metadunite...amphibolite facies metamorphism. The age of the Dumont intrusion is not known directly, but its conformable nature |  | | Journal (article/letter/editorial) | | West Pender Street, Vancouver, British Columbia, Canada V6E 2P4 Abstract Eight occurrences and one large...mineralization is associated with antigorite-lizardite-magnetite assemblages that formed at temperatures...assemblages associated with lower temperature (<300°C), lizardite-chrysotile-magnetite ± antigorite assemblages...produce the pervasive awaruite-bearing antigorite-lizardite-magnetite assemblages. The ferrous component in... C. Magnetic alluvial nuggets from Josephinite River consist of the Josephinite assemblage that includes |  | Klein, F., Grozeva, N. G., Seewald, J. S., McCollom, T. M., Humphris, S. E., Moskowitz, B., Berquo, T. S., Kahl, W.-A. (2015) Experimental constraints on fluid-rock reactions during incipient serpentinization of harzburgite. American Mineralogist, 100 (4) 991-1002 doi:10.2138/am-2015-5112 | Journal (article/letter/editorial) | | 441 h of reaction. (a, b, c) Chrysotile (Ctl), lizardite (Lz), polyhedral serpentine (P-Srp), and magnetite...exterior revealed a reaction rim consisting of lizardite + chrysotile ± magnetite ± chlorite ± calcite...Olivine is covered by a layer mainly consisting of lizardite intergrown with accessory magnetite (Figs. 5c...contrast, lizardite forms a monomineralic layer covering orthopyroxene. In both instances, the lizardite layer...and 6g). Chrysotile is often intergrown with lizardite and minor chlorite forming cactus-like protrusions |  | | Journal (article/letter/editorial) | | magnetiteq-Ni-rich awaruite is zardite in neutral media,lizardite which reerystallizes formedin the sulfur-freesystem...Challis,G. A., 1975, Native nickel from the Jerry River, South Westland, New Zealand:An exampleof natural...Lachance, G. R., 1965, Native metals in the Muskox intrusion: Canadian Jour. Earth Sci., v. 2, p. 188-215 |  | Tzamos, Evangelos, Bussolesi, Micol, Grieco, Giovanni, Marescotti, Pietro, Crispini, Laura, Kasinos, Andreas, Storni, Niccolò, Simeonidis, Konstantinos, Zouboulis, Anastasios (2020) Mineralogy and Geochemistry of Ultramafic Rocks from Rachoni Magnesite Mine, Gerakini (Chalkidiki, Northern Greece) Minerals, 10 (11) 934 doi:10.3390/min10110934 | Journal (article/letter/editorial) | | magnesite ore-hosting ophiolite of the Gerakini mining area (Chalkidiki, Greece) to investigate the consecutive...metallogenesis of the significant magnesite ores of the area. All samples were subjected to a series of analytical...analyses revealed that the ultramafic rocks of the area have not only all been subjected to serpentinization...magnesite-hosting ultramafic rocks of the Gerakini area are presented. 2. Geologic Setting The magnesite...magnesite deposits of the Chalkidiki (Northern Greece) area are hosted within ophiolitic massifs. According to |  | | Journal (article/letter/editorial) | | ultramaficand pelitic rocksthroughoutthe Widgiemoolthadome area (Archibald et al., 1978), and temperature-pres-...Simplifiedgeologicalinterpretationof the Warmaway Rock types area. Basedpartly on mappingby AnacondaAustraliaInc....pyrite. The abundanceof relict igneousolivineand lizardite pseudomorphs after olivine grainswith bladed and...serpentinizationof re- igneous olivine and retrograde lizardite pseudocrystallizedmetamorphicolivine would be...suitedin impingementanddisruptionof somesulfide to lizardite,chlorite,hydrogrossular, possiblywith somesmalllosses |
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