	Mitchell, R. H., Platt, R. G. (1982) Mineralogy and Petrology of Nepheline Syenites from the Coldwell Alkaline Complex, Ontario, Canada. Journal of Petrology, 23 (2) 186-214 doi:10.1093/petrology/23.2.186	Journal (article/letter/editorial)
	of Nepheline Syenites from the Coldwell Alkaline Complex, Ontario, Canada by ROGER H. MITCHELL AND R....Department of Geology, Lakehead University, Thunder Bay, Ontario, Canada P7B 5E1 WITH SEVEN PLATES ABSTRACT...natrolite syenites of Center 2 of the Coldwell alkaline complex exhibit rare wispy mafic-rich modal layering...alkali basaltic magmas. INTRODUCTION The Coldwell complex is located on the north shore of Lake Superior...Superior and is the largest alkaline complex in North America. Mitchell & Platt (1977, 1978) have summarized
	*Mitchell, R. H., Platt, R. G. (1978) Mafic Mineralogy of Ferroaugite Syenite from the Coldwell Alkaline Complex, Ontario, Canada. Journal of Petrology, 19 (4) 627-651 doi:10.1093/petrology/19.4.627*	Journal (article/letter/editorial)
	Ferroaugite Syenite from the Coldwell Alkaline Complex, Ontario, Canada 6>-ROGER H. MITCHELL and R. GARTH...Department of Geology, Lakehead University, Thunder Bay, Ontario, Canada P7B 5E1 (Received 7 July 1977; in revisedform...E R A L GEOLOGY OF THE COLDWELL COMPLEX Tectonic setting The Coldwell complex located on the north shore...studied alkaline intrusions in North America. The complex is unusual in that it contains oversaturated, saturated...Archean metavolcanic-metasediment terrain. The complex is a part of the Keweenawan activity centered around
	Potter, Eric G., Mitchell, Roger H. (2005) Mineralogy of the Deadhorse Creek volcaniclastic breccia complex, northwestern Ontario, Canada. Contributions to Mineralogy and Petrology, 150 (2) 212-229 doi:10.1007/s00410-005-0014-y	Journal (article/letter/editorial)
	deadhorse creek volcaniclastic breccia complex, northwestern Ontario, Canada Received: 10 January 2005 / Accepted:...Proterozoic Deadhorse Creek volcaniclastic breccia complex was emplaced in Archean metasedimentary and metavolcanic...adjacent to the Proterozoic Coldwell alkaline complex. The western sub-complex of the Deadhorse Creek breccia...breccia adjacent to the main mineralized zone. The complex mineral assemblage of the fault-controlled main...Lakehed University, 955 Oliver Road, Thunder Bay, Ontario, CANADA P7B 5E1 E-mail: rmitchel@lakeheadu.ca
	*Nicholson, Keith (1989) Manganese oxides from the British Isles. Mineralogical Magazine, 53 (373) 637-638 doi:10.1180/minmag.1989.053.373.16*	Journal (article/letter/editorial)
	the 35 km strike of the J.M. Reef, Stillwater complex, Montana. Can. Mineral. 24,329-46. Watkinson, D... H., Dalai, R. and McGoran, J. (1986) The Coldwell complex platinum group element deposit: 2. Relationships...S: 637 a fluid phase. Geol. Assoc. Canada/Mineral. Assoc. Canada, Program with Abstracts 11, pp. 142-3...sulphide, Coldwell complex, Canada Department of Geology, Lakehead University, Thunder Bay, Ontario, Canada...Canada P7B 5EI CANMET, 55 Booth Street, Ottawa, Ontario, Canada K1A OGI ROGER H. MITCHELL J. H. GILLES LAFLAMME
	Hollings, Pete, Smyk, Mark, Heaman, Larry M., Halls, Henry (2010) The geochemistry, geochronology and paleomagnetism of dikes and sills associated with the Mesoproterozoic Midcontinent Rift near Thunder Bay, Ontario, Canada. Precambrian Research, 183 (3) 553-571 doi:10.1016/j.precamres.2010.01.012	Journal (article/letter/editorial)
	Mesoproterozoic Midcontinent Rift near Thunder Bay, Ontario, Canada Pete Hollings a,∗ , Mark Smyk b , Larry...Road, Thunder Bay, ON P7B 5E1, Canada Ontario Geological Survey, 435 James St. South, Thunder Bay, ON P7E...P7E 6S7, Canada c Department of Earth and Atmospheric Sciences, University of Alberta, Edmonton, AB T6G...T6G 2E3, Canada d Department of Chemical and Physical Sciences, University of Toronto Mississauga, Mississauga...Mississauga, ON L5L 1C6, Canada b a r t i c l e i n f o Article history: Received 23 April 2009 Received
	*Pye, E.G. (1969) Geology and scenery, north shore of Lake Superior. Guidebook* GB02. Ontario Geological Survey**	Report (issue)
	GOVERN YOUR USE OF THIS DOCUMENT Your use of this Ontario Geological Survey document (the “Content”) is governed... copyright is held by the Queen’s Printer for Ontario. It is recommended that reference to the Content... . ; Ontario Geological Survey, ...670-5691 Toll Free: 1-888-415-9845, ext. 5691 (inside Canada, United States) Local: (705) 670-5691 Toll Free:...(inside Canada, United States) Local: (416) 326-2678 Toll Free: 1-800-668-9938 (inside Canada, United
	SAGE, R. P. (1978) Diatremes and shock features in Precambrian rocks of the Slate Islands, northeastern Lake Superior. Geological Society of America Bulletin, 89 (10) 1529 doi:10.1130/0016-7606(1978)89<1529:dasfip>2.0.co;2	Journal (article/letter/editorial)
	Geological Branch, Ontario Ministry of Natural Resources, Toronto, Ontario, Canada MSS 1B3 ABSTRACT The...work showed that the islands are geologically complex, with a variety of rock types and structures ranging...alkalic rock complex and beyond to the northern flank of the Port Coldwell alkalic rock complex on the basis...Department of Energy, Mines and Resources, 1971a; Ontario Ministry of Natural Resources, 1972). Most of the...Formation. The upper Precambrian Port Coldwell alkalic rock complex is 24 km northeast of the Slate Islands
	*Mitchell, Roger H. (1990) A review of the compositional variation of amphiboles in alkaline plutonic complexes. Lithos, 26 (1) 135-156 doi:10.1016/0024-4937(90)90044-2*	Journal (article/letter/editorial)
	Department o/Geology, Lakehead Ulllverslty, Thunder Bay, Ont P7B 5£1 (Canada) (Received December 19, 1989; accepted...composition of amphiboles may occur in a given complex. A subtrend found only In oversaturated complexes...variation of amphiboles from the Topsalls-St. Lawrence complex (Strong and Taylor, 1984) illustrated III (a) the...MITCHELL (A) RALLIER - DU - BATY (8) FLOWERS BAY Fig. 2. Compositional variation of amphiboles from...Ralher-du Batty (Glret et al., 1980) and (b) Flowers Bay complexes (Collerson. 1982). beekite solid solutions
	*Davidson, A. (2008) Late Paleoproterozoic to mid-Neoproterozoic history of northern Laurentia: An overview of central Rodinia. Precambrian Research, 160 (1) 5-22 doi:10.1016/j.precamres.2007.04.023*	Journal (article/letter/editorial)
	Davidson Geological Survey of Canada, 601 Booth Street, Ottawa, Ontario, Canada K1A 0E8 Received 27 December...displaced eastward over this crust. South of the Canada–USA border, the western limit of North American...Aston Formation; 6, Ellice and Parry Bay formations; 7, Hornby Bay Group; 8, Wernecke Supergroup; 9, Muskwa... Port Coldwell complex; 25, Shaler Supergroup; 26, Mackenzie Mountains Supergroup and Hematite Creek...occur in Rae and Hearne provinces west of Hudson Bay and comprise rift-related clastic sedimentary deposits
	Brzozowski, M. J., Samson, I. M., Gagnon, J. E., Good, D. J., Linnen, R. L. (2020) On the Mechanisms for Low-Sulfide, High-Platinum Group Element and High-Sulfide, Low-Platinum Group Element Mineralization in the Eastern Gabbro, Coldwell Complex, Canada: Evidence from Textural Associations, S/Se Values, and Platinum Group Element Concentrations of Base Metal Sulfides. Economic Geology, 115 (2) 355-384 doi:10.5382/econgeo.4708	Journal (article/letter/editorial)
	Mineralization in the Eastern Gabbro, Coldwell Complex, Canada: Evidence from Textural Associations,...Engineering, Nanjing University, 163 Xianlin Ave., Qixia District, Nanjing 210023, China 2Department of Earth...of Windsor, 401 Sunset Ave., Windsor, Ontario N9B 3P4, Canada 3Department of Earth Sciences, Western...Richmond St., London, Ontario N6A 3K7, Canada Abstract The Eastern Gabbro, Coldwell Complex, hosts several...chalcopyrite-rich pod located within the vicinity of the Coldwell Complex experienced both high R factors and high degrees
	Watkinson, David H., Melling, David R. (1992) Hydrothermal origin of platinum-group mineralization in low-temperature copper sulfide-rich assemblages, Salt Chuck Intrusion, Alaska. Economic Geology, 87 (1) 175-184 doi:10.2113/gsecongeo.87.1.175	Journal (article/letter/editorial)
	5216 WorthingtonRoad,Victoria, BritishColumbia, Canada V8Y 2T8. 175 1:240 scale.Detailsof the geologyandpetrologyof...WATKINSON AND D. R. MELLING Bay Salt Chuck Rush and Brown Mine Kasaan Bay 0 2km FIG. 1. Location...sulfidecon- mm. Magnetite is partly altered to hematite. Rutile centrations.Irregular feldsparaggregates...epidote ate-rich vein there is an alteration rim of hematite. The Cu-richsulfidesare intimatelyintergrownwith...temagamite (tem) and a palladium antimonide. Coldwell Complex (Geordie Lake area: Mulja and nite, digenite
	Platt, R. Garth, Woolley, Alan R. (1986) The mafic mineralogy of the peralkaline syenites and granites of the Mulanje complex, Malawi. Mineralogical Magazine, 50 (355) 85-99 doi:10.1180/minmag.1986.050.355.12	Journal (article/letter/editorial)
	Mulanje complex, Malawi R. GARTH PLATY Department of Geology, Lakehead University, Thunder Bay, Ontario...Ontario, Canada AND ALAN R. WOOLLEY Department of Mineralogy, British Museum (Natural History), London, England...distinct complexes the Main complex and the Chambe complex. Each complex is associated with its own trend...trend ofpyroxene evolution. The Main complex pyroxenes exhibit initial enrichment in hedenbergite before...to those of the Main complex. The general evolutionary trend of the Main complex amphiboles is katophorite
	Richards, Jeremy P., Spooner, Edward T. C. (1989) Evidence for Cu-(Ag) mineralization by magmatic-meteoric fluid mixing in Keweenawan fissure veins, Mamainse Point, Ontario. Economic Geology, 84 (2) 360-385 doi:10.2113/gsecongeo.84.2.360	Journal (article/letter/editorial)
	Mixing in Keweenawan Fissure Veins, Mamainse Point, Ontario JEREMYP. RICHARDSAND EDWARDT. C. SPOONEll Departmentof...Departmentof Geology,Universityof Toronto,Toronto,Ontario, CanadaM5S 1A1 Abstract Locallyrich (up to 40%...andsericiticalteration;(2) a transitional stageof chalcopyrite-hematite* andbornitchematiteassemblages, with propyliticalteration;(3)...propyliticalteration;(3) main-stagechalcocite-hematite, often replacingearliersulfides, with propyliticalteration;and(4)...MamainsePoint (Ontario). The rich Ag veins in the Thunder Bay area, northwestern Ontario (e.g., Silver
	*(2019) Interesting Papers in Other Journals. Economic Geology, 114 (6) 1223-1226 doi:10.5382/econgeo.114.6.ip01*	Journal (article/letter/editorial)
	system recorded by trace elements in quartz: Krupka district, eastern Krušné hory/Erzgebirge—Tereza Peterková...sulfide mineralization in the Coldwell Complex, Midcontinent Rift, Canada—David J. Good and Peter C. Lightfoot...formation of early gabbros at the Coldwell Complex, Ontario, Canada— Yong-hua Cao, David J. Good, Robert...the High Arctic large igneous province, Nunavut, Canada—Derek H.C. Wilton, Benoit M. Saumur, Adrian Gordon...the Cu-Au geochemical prospects in the Feizabad district, NW Iran—Reza Ghezelbash, Abbas Maghsoudi, Mehrdad
	Mulja, Thomas, Mitchell, Roger H. (1991) The Geordie Lake Intrusion, Coldwell Complex, Ontario; a palladium- and tellurium-rich disseminated sulfide occurrence derived from an evolved tholeiitic magma. Economic Geology, 86 (5) 1050-1069 doi:10.2113/gsecongeo.86.5.1050	Journal (article/letter/editorial)
	1050-1069 The Geordie Lake Intrusion, Coldwell Complex, Ontario: A Palladium- and Tellurium-Rich Disseminated...Departmentof Geology,LakeheadUniversity,ThunderBay, Ontario, CanadaP7B 5E1 Abstract The GeordieLakeintrusionis... the discoveryof PGM deposits elsewherein the complex (Pattersonet al., 1987). In 1987 St.JoeCanada,Inc...thispaperis to describethe natureof the basichost The Coldwell alkaline complexintrudesArchcan rocks,identify...University, 3450 University Street, Montreal, Quebec, Canada of magmatism, H2A 2A7. 0361-0128/91/1254/1050-2053
	*Norman, D. I., Sawkins, Frederick J. (1985) The Tribag breccia pipes; Precambrian Cu-Mo deposits, Batchawana Bay, Ontario. Economic Geology, 80 (6) 1593-1621 doi:10.2113/gsecongeo.80.6.1593*	Journal (article/letter/editorial)
	BrecciaPipes:PrecambrianCu-Mo Deposits, BatchawanaBay, Ontario* O. I. NORMAN*AND F. J. SAWKINS Department of...Tribag mine is 72 km north of Sault Ste. Marie, Ontario, and about 20 km north-northeast The BatchawanaBay...Prairie Lake complex,2 = Coldwell complex,3 -- Michipicoten Island, 4 = Fireside River complex,5 = Batchawanaarea...Generalgeologicmap of the Batchawana Bay-Mamainse Point area,Ontario,showing occurrences ofKeweenawan ...-- Tribag mine. TRIBAG BRECCIAS,BATCHAWANA BAY, CANADA* 1595 Keweenawan-age (1,000-1,200 m.y. old)basaltflows
	*Mitchell, R. H. (2005) CARBONATITES AND CARBONATITES AND CARBONATITES. The Canadian Mineralogist, 43 (6) 2049-2068 doi:10.2113/gscanmin.43.6.2049*	Journal (article/letter/editorial)
	Lakehead University, 955 Oliver Road, Thunder Bay, Ontario P7B 5E1, Canada ABSTRACT Carbonatites are redefined...applied to a complex of related carbonate and silicate rocks in a magmatic or extrusive complex. Primary...calcite carbonatite such as are found at the Fen complex. In fact, the genetic questions highlighted by...centimeter-to-decimeter scale. For example, at the Fen complex (Brøgger 1921, Andersen 1988), there is a spectrum...limit permits the recognition in the Jacupiranga complex of Brazil, of a carbonatite suite made up of perovskite
	Farrow, Catharine E. G., Watkinson, D. H. (1992) Alteration and the role of fluids in Ni, Cu and platinum-group element deposition, Sudbury Igneous Complex contact, Onaping-Levack area, Ontario. Mineralogy and Petrology, 46 (1) 67-83 doi:10.1007/bf01160703	Journal (article/letter/editorial)
	Deposition, Sudbury Igneous Complex Contact, Onaping-Levack area, Ontario Catharine E. G. F a r r o w...Ottawa-Carleton Geoscience Centre, Ottawa, Ontario, Canada With 5 Figures Received September 17, 1991;...activity within contact units of the Sudbury Igneous Complex. 68 C.E.G. Farrow and D. H. Watkinson Zusammenfassung...des Sudbury Komplexes, Onaping-Levack-Gebiet, Ontario Eine Vielzahl von Alterations-Vorg/ingen ist mit...assemblages has been recognized in the Sudbury district since early this century (Wandke and Hoffman,
	Wood, S. A., Normand, C. (2008) Mobility of palladium chloride complexes in mafic rocks: insights from a flow-through experiment at 25 °C using air-saturated, acidic, and Cl-rich solutions. Mineralogy and Petrology, 92 (1) 81-97 doi:10.1007/s00710-007-0193-5	Journal (article/letter/editorial)
	Universite du Quebec a Montreal, Montreal (Quebec), Canada 2 Received January 2, 2006; revised version accepted...the rock and to mobilize palladium as a chloride complex. On the other hand, Pd-chloride complexes can be...Kruuse Fjord gabbro complex, Greenland (Arnason et al., 1997); the Baula Complex, India (Auge et al...2004); the Duluth Complex, Minnesota (Mogessie et al., 1991); Lac des Iles, Ontario (Hinchey and Hattori...Hattori, 2005); the Coldwell Complex, Ontario (Watkinson and Ohnenstetter, 1992; Watkinson and Jones, 1996);
	Auge, T., Petrunov, R., Bailly, L. (2005) On the origin of the PGE mineralization in the Elatsite porphyry Cu Au deposit, Bulgaria: comparison with the Baula Nuasahi Complex, India, and other alkaline PGE-rich porphyries. The Canadian Mineralogist, 43 (4) 1355-1372 doi:10.2113/gscanmin.43.4.1355	Journal (article/letter/editorial)
	DEPOSIT, BULGARIA: COMPARISON WITH THE BAULA–NUASAHI COMPLEX, INDIA, AND OTHER ALKALINE PGE-RICH PORPHYRIES...be related to a very specific evolution of the complex polyphase Cu–Au deposit. In this respect, it should...porphyry stocks, with that of the Baula–Nuasahi Complex in India (Augé et al. 2002). There, the Cu–Ni–Co–(Au–PGE)...through Serbia (Timok Magmatic Complex) and Bulgaria (Panagyurishte district) to the Caucasus (Jankovic 1977)...1977). In Bulgaria, the Panagyurishte district lies in the central part of the Srednogorie zone and hosts
	*(2018, December) Mineral News* Vol. 34 (12) Excalibur Mineral Corp.**	Journal (issue)
	malachite from the Mindingi Mine in the Kambove District of Katanga began to appear in the specimen market...the limonite zone Ni is contained in goethite or hematite and in the saprolite zone Ni is contained in the...S. addresses are $30.00 per year; addresses in Canada and Mexico are US$48.00 per year; all other foreign...reflections with Fo > 4cr(Fo). It is based upon complex heteropolyhedral [M8(PO4)4(PO3OH)3(H2O)9]2- layers...atoms), batagayite should be considered as a very complex mineral. The high complexity of batagayite is due
	*Cabri, Louis J. (2002) The Geology, Geochemistry, Mineralogy and Mineral Beneficiation of Platinum-Group Elements. Special Volume* 54. The Canadian Institute of Mining and Metallurgy**	Report (issue)
	Platinum-Group Elements Edited by Louis J. Cabri Ottawa, Ontario Published for the Geological Society of CIM as...de Maisonneuve Boulevard West Montréal, Québec, Canada H3Z 3B8 ISBN 1-894475-27-5 Papers in this volume...Petroleum, Special Volume 54, p. 483-506. PRINTED IN CANADA by Marc Veilleux Imprimeur Inc. Preface Background...in countries like the Republic of South Africa, Canada, and Finland. Over the last five or so years, colleagues...to and immediately following my retirement from Canada Centre for Mineral and Energy Resources (CANMET)
	*Pan, Yuanming, Fleet, Michael E. (1995) The late Archean Hemlo gold deposit, Ontario, Canada: a review and synthesis. Ore Geology Reviews, 9 (6) 455-488 doi:10.1016/0169-1368(95)00003-k*	Journal (article/letter/editorial)
	455-488 The late Archean Hemlo gold deposit, Ontario, Canada: a review and synthesis Yuanming Pan a, Michael...Saskatoon, Sask. S7N 5E2, Canada Department of Earth Sciences, University of Western Ontario, London, Ont. N6A...N6A 5B7, Canada Received 18 March 1994; accepted 30 January 1995 Abstract The Hemlo gold deposit, northwestern...northwestern Ontario, Canada, is situated within the late Archean Hemlo--Heron Bay greenstone belt of...island arc and has subsequently been subjected to a complex history of evolution, including two episodes of
	Mutschler, Felix E., Johnson, D. Chad, Mooney, Thomas C. (1994) ALK.BIB : a selected bibliography of alkaline igneous rocks and related mineral deposits, with an emphasis on western North America. Open-File Report Vol. 1994 (94-624) US Geological Survey doi:10.3133/ofr94624a	Report (issue)
	Robinson memorial volume: Geological Association of Canada Special Paper 25, p. 149-161. Aitken, J. D., and...the Cordilleran Orogen in Canada: Canada Geological Survey, Geology of Canada, no. 4, p. 97-124. Aitken...1988. Ag-Au-Te mineralization in the Ratagain complex, northwest Scotland: Transactions Institution of...a satellite intrusion of the Palabora igneous complex, South Africa: Economic Geology, v. 81, p. 143-155...Geology of the Field map-area, B. C., and Alberta: Canada Geological Survey Memoir 55, 312 p. Allard, P.
	*(2018) MGM volume 82 Supplement 1 Cover and Front matter. Mineralogical Magazine, 82. doi:10.1180/mgm.2018.126*	Journal (article/letter/editorial)
	discovered in the Au-Pt concentrates at Goodnews Bay, Alaska (Desborough et al., 1973). Those authors...Sb2Te3 (for Sb), chalcopyrite (for Cu and S) and hematite (for Fe) were used as reference materials. AsLα...08)Σ2.98 Wellgreen deposit, Yukon, Canada Sudbury, Ontario, Canada Pd8.02(Sb2.54As0.39Bi0.04)Σ2.97 Pd8...Pd8.00(Sb2.54As0.46)Σ3.00 Goodnews Bay, Alaska, USA, type locality Pd8.0Sb2.5As0.5 (ideal formula) Pd8...Pd8.12(Sb2.46As0.54)Σ3.00 Goodnews Bay, Alaska, USA, type locality (Pd7.90Ni0.05Fe0.02Ir0.01Pt0.01Cu0.01)Σ8

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Hematite from Coldwell complex, Thunder Bay District, Ontario, Canada

Hematite from
Coldwell complex, Thunder Bay District, Ontario, Canada