 | | Journal (article/letter/editorial) | | byJames(1954; 1955) on various iron-forlnationsin the Lake Superior of lninerals in iron-formations, of related...diagenetic and possibly Iron Formation in the Schefferville,Quebecarea, providefurtherinputinto the model...sedimentaryfaciesof iron-forlnation sulfide in the Lake Superiordistrict: the sulfide,silicate, facies...rich greenalite ank - anker•te 50 calc -20 Lean chert 82 ft (60.5-106.5 25.0 ft) m (18.4 - 32.5 m)...green-stilp-minn-ank-mag-sld-ch calcite C - carbon ch - chert cham chamos•te dol- 100 -- dolomite green |  | | Journal (article/letter/editorial) | | Ga (e.g., those of the Lake Superior region, U.S.A., Labrador Trough, Canada, and the Nabberu Basin of...consists of combinations of the following minerals: chert, magnetite, hematite, carbonates (most commonly...mineralogical and chemical make-ups. They consist mainly of chert and hematite, with minor carbonates. The rare-earth...commonly but not necessarily containing layers of chert. In Jamesʼ original definition E-mail: cklein@unm...iron-formations of the younger Lake Superior region, U.S.A., and the Labrador Trough, Canada, are commonly 1473 |  | | Journal (article/letter/editorial) | | either on talc-serpentinite schists or on sediments (chert, sandstones, clayey sandstones). They are conformably...SSW 5 ~ NE [ ~ Setpentinite ~T.|c*schist ~ ~Chert ~Grit BB..,a,..or. Sendstt)ne cooo, ..... 9...petrology of the Sokoman iron formation near Ardua Lake, Quebec. Can. Journ. of Earth Sci. 15:480-500...the Nemeiben ultramafic complex, Saskatchewan, Canada. Mineral. Deposita 16:409-424 (1981) Mercier, J...River ultramafic body, Cassiar, British Columbia, Canada. J. Petrol. 18:567-594 (1977) Ramdohr, P.: A widespread |  | | Journal (article/letter/editorial) | | primarily by BIF, which consists of alternating chert and magnetite–chlorite–stilpnomelane– sulphide–carbonate...been proposed on the basis of exposures of BIF and chert (SACS 1980). In the north, the greenstones consist...metasedimentary rocks, mainly BIF and ferruginous chert. Model Pb–Pb isotope ages for the BIF indicate a...ferruginous chert interbedded with chloritic schist. The BIF consists of alternating chert and magnetite...minnesotaite in magnetite microbands. In more altered chert-magnetite and magnetite BIF mesobands, coarsegrained |  | | Journal (article/letter/editorial) | | Regionalmetamorphism of Proterozoic LabradorTrough,Canada ConNnus KUIN Department of Geology, Indianq Uniuersity... coexisting changes in assemblages are rich in chert, carbonates morphosediron-rich sediments.Late d...rTrough approximately l2 miles south of Sawbill Lake (Fig. l). This isograd probably is the northernmostexpressionof...(1960) in the Bloom Lake area, by Kranck (1961) in the Mount Reed and Hobdad Lake areas,by Klein (1966)in...and complexassemblages. Although banded qtzl (or chert)-mag,qtz-hem,or qtz-hem-magassemblages are presentin |  | | Journal (article/letter/editorial) | | common in the SokomanIron Formation in Labrador, Canada(Klein and Fink, 1976),the Biwabik Iron Formation...1968),and the Gunflint Iron Formation, Ontario, Canada (Floran and Papike, 1975).Haase (1979) reports...quartz verv similar to what is often referred to as chert. 516 KLEIN AND GOLE: IRON-FORMATION, WESTERN...distributed rosettesof needlesin carbonateand quartz (or chert) matrices. Its cross-cuttingrelations with stilpnomelane...very fine. Quartz is often microcrystalline and chert-like in handspecimenas well as in grain size in |  | | Book | | Netherlands Distributors for the United States and Canada. ELSEVIER SCIENCE PUBLISHING INC 52, Vanderbilt...five of the great iron districts of the world - Lake Superior, Hamersley, Labrador Trough and its extensions...and several, notably those of Lake Superior, the Ungava belt of Canada, and of the Transvaal Supergroup...Newfoundland, St. Johns, Newfoundland A1B 3 x 5 , Canada. A.D.T. GOODE Exploration Department, BHP Pty...Geological Survey of Canada, 6 0 1 Booth Street, Ottawa, Ontario K1A OE8. Canada. W.D.M. HALL Broken |  | | Journal (article/letter/editorial) | | typically consist of flat, angular fragments of meta-chert and rnagne~ tite dust as large as several cm, embedded...iron-formation recrystallized. As a result all chert now appears as quartz. Magnetite partly recrystallized...from fairly high-grade iron ore to aimost lean chert. Of particular interest are the contents of P2Os...Petrology of the Sokoman iron-formation near Ardua Lake, Ontario. Can. J. Earth. Sci., 15: 480--500. |  | | Journal (article/letter/editorial) | | the presence of submicroscopic intergrowths of chert in greenalite as the causeof the excess Si, and...almost invariably include greenalite, quartz (or chert), siderite, and other carbonates.This consistencysuggeststhat...Ed, Researches in Geochem_ Iron Formation near Ardua Lake, euebec. Can. J. Earth Sci., istry, Yol. 2, p...the westernedge of the man Formation in the Knob Lake Area, euebec and New_ Labrador Trough. Econ. Geol |  | | Book | | Mat 6.10.4 Comparison of Guerrero Negro and Solar Lake Mat Communities 6.10.5 Characteristics of Stromatolites...Geology, University of Montreal, Quebec, H3C 3J7, Canada ELISA D'AMELIO Planetary Biology Branch, National...Geoscience Center, University of Ottawa, KIN 6N5, Canada MALCOLM R. WALTER M. R. Walter Pty. Ltd., P.O....Spain; southern Ontario, arctic, and north-central Canada; and in Michigan, Minnesota, Idaho, Montana, and...previous plus 31 new contributors) 8 (Australia, Canada, Denmark, Germany, South Africa, Sweden, USA, USSR) |  | | Book | | Sciences, Queens University,Kingston, Ontario K7L 3N6, Canada CORNELIS KLEIN, Jr. Department of Geology, University...Sciences, Queens Universitj;Kingston, Ontario K7L 3N6, Canada Present address: GEOTOe Universitt du Que'bec (iMontrtal...C.R 8888, SuccursaleA, MontrkaJ Qutbec H3C 3P8, Canada VI Contributing authors TERRY E. SMITH Deparhnent...University of Wino304 Winhor; Ontario N9B 3P3, Canada JOHN TARNEY Department of Geology, Universig of...Craton (Jolly, 1987a). Volcanic rocks, the Elliot Lake Group at Thessalon (ca. 2450 Ma), occur only in |  | | Report (volume) | | Sciences University of British Columbia Vancouver, BC, Canada V6T 1W5 N. Giiven Dept of Geology Texas Tech...Royal Ontario Museum 100 Queens Park Toronto, ON, Canada M5S 2C6 R.C. Reynolds, Jr. Dept of Earth Sciences...Royal Ontario Museum 100 Queens Park Toronto, ON, Canada M5S 2C6 Series Editor: P.H. Ribbe Dept Geological...Zoltai (1968) on lizardite 97 from the north shore of Lake Superior in Minnesota, Unst, and by the study...Zoltai, 1968), and as minerals (x = 1,5-1.75) in Lake Superior iron ores (Bailey and Further to of |
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