| | Report (issue) | Energy, Mines and Resources Canada E:nergie, Mines et Ressourees Canada Canada THE ENERGY OF OUR RESOURCES...OUR IDEAS COVER Left: Amethyst - Thunder Bay, Ontario. Specimen measures 4.5 cm across the base. National...50263. GSC 204977-1 Right: Gypsum (selenite) - Red River Floodway, Winnipeg, Manitoba. Specimen measures...no. 17206. GSC 204971-1 Geological Survey of Canada Miscellaneous Report 49 ROCKS AND MINERALS FOR... © Minister of Supply and Services Canada 1991 Available in Canada through authorized bookstore agents | | | Journal (article/letter/editorial) | of one of the owners of the famous Jerome copper mine. As part of the admission fee (25¢) you are entitled...entitled to a free sample of copper ore from this mine. A trip to LaJolla would not be complete without...underground stairway from above. WEEKEND TRIP TO STEEP ROCK IRON MINES Downloaded by [University of Florida]...left Toronto by Air Canada very impressive. jet for a weekend trip to Steep Rock The remainder of the...the afternoon was Lake, where Steep Rock Iron Mines Lim- free for us to go anywhere we wished. ited is | | | Journal (article/letter/editorial) | of one of the owners of the famous Jerome copper mine. As part of the admission fee (25¢) you are entitled...entitled to a free sample of copper ore from this mine. A trip to LaJolla would not be complete without...underground stairway from above. WEEKEND TRIP TO STEEP ROCK IRON MINES By DAVID JOYCE and CLIVE PARKES On Friday...left Toronto by Air Canada very impressive. jet for a weekend trip to Steep Rock The remainder of the...the afternoon was Lake, where Steep Rock Iron Mines Lim- free for us to go anywhere we wished. ited is | | Veizer, Ján, Hoefs, Jochen, Ridler, R.H., Jensen, L.S., Lowe, D.R. (1989) Geochemistry of Precambrian carbonates: I. Archean hydrothermal systems. Geochimica et Cosmochimica Acta, 53 (4) 845-857 doi:10.1016/0016-7037(89)90030-6 | Journal (article/letter/editorial) | Ottawa-Carleton Geoscience Center, Ottawa, Ontario, Canada, K 1N 6N5 2 Geochemisches Institut der Univenitat...Willowdale, Ontario, Canada, M2G 1H5 ’ Ontario Geological Survey, 77 Grenville Street, Toronto, Ontario, Canada...rocks from the Superior and Slave Provinces of Canada, Kaapvaal Craton of South Africa and the Pilbara...of +2 to -10 and -4 + 2% PDB, respectiv~y). by river flux, a consequence of declining heat dissipation...gold-associated carbonates of the Abitibi Greenstone Belt of Canada, (2) carbonated and silicified volcanoclastics | | | Book | Copyright © in Canada, 1957 by D. M. LeBourdais P.RINTPlD AND BOUND 1.N CANADA T. H. Best Printing...and accordingly I have devoted a chapter apiece to iron ore, to asbestos, and to uranium and other rare...because that aspect of mining is most typical of Canada as a pioneer country. No other form of economic...mining as an industry, but to a great extent each mine is actually a world in itself. While the problems...searched for mines, of the long waits that have faced mine-finders while money was being raised to bring their | | | Book | URANIUM ONTARIO =i Coe Hill IRON AX NEPHELINE SVEN ‘ated A GOLD A IRON Gilmour IRON GOLD....Location of Kerr Lake ONTARIO Kirk Lake Giroux Lake Township Lorrain Coleman Township . . . . . . . Hudson...Hudson Bay mine Trethewey mine Coniagas mine Buffalo mine Silver Queen mine McKinley-Darragh mine Nipissing...Nipissing mine . Nipissing mine . La Rose mine . . . . O’Brien mine Provincial mine Crown Reserve mine Badger...Badger mine oF WINNIPEG Other mines perray ay ncPoh CHET enue Val Vi\ befbenbed Av toba Winnipes, Mani | | | Book | 37 39 CHAPTER 3 THE E ARLY EARTH A D THE ARCHEAN ROCK R ECORD 3-1. 3-2. 3-3. by W. Gary Ernst Introduction...Introduction The H adean Earth The Archean Rock Record and Inferred P hysical Conditions 43 46 47 49 50...Superior Prol'i11ce. Canada l'elloll'k11ife Supergroup, Slave Prori11ce, Canada Bulcrwayan Group. B11lawa_...Sceeprock Group, Quecico Belt, Superior Prot'i11ce, Canada Ventersdorp Supergroup. South Africa Fortescue...G EOGRAPHI C AN D G EO LOGIC D ATA FOR PROCESSED ROCK SAlVIPLES by Malcolm R. Walter, Hans J. Hofmann |
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