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| 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...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...bookstores or by mail from Canada Communication Group - Publishing Ottawa, Canada KIA OS9 and from. Geological |
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| 21 NOT TO BE W/D Dies Ove MAR 180 RENFREW DISTRICT LIBRARIES RESERVE- Saree eit COPPPI This...from the small, but stratigraphically important, area of Precambrian rocks in Spitsbergen and on Bjorngya...still known only in a general way, but the Shield area today is one of the key areas in the study and interpretation...extensive areas and wealth of rock exposures, is a key area in Precambrian geology with especial reference to... : : Vv BJGRN@YA ; â ; ih : : ; ; OF CANADA: THE CANADIAN ; : : ; : ; AUTHOR INDEX . : |
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| 1^1 National Library of Canada Biblioth^ue nationale du Canada CAi\ADIANA JAN 25 1993 Digitized...this esoteric discipline first in the twelfth century. This base metals into gold, for a universal cure...transformation of ordinary first argued in the second century BC that baser metals develop through time into...years to produce. With what he recognizes as most century that âhis applied intelligence and capacity for...Ranvoyse, late eighteenth or early nineteenth century AD. The Ernest E. and Gertrude Poole Silver |
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| Vein-Dikes of the Grenville Geological Province Ontario, Canada Downloaded by ["Queen's University Libraries...August 2013 DAVID K. JOYCE Box 95551 Newmarket, Ontario Canada L3Y 8J8 dkjoyce@bellnet.ca Figure 1. 1 Locations...Locations of the main calcite vein-dikes in Ontario. Map by Peter Harlick. C alcite vein-dikes in the...weathered calcite vein-dike âtrenchâ at the Bear Lake diggings. Raymond McDougall photo. Figure 2. Cross...crystal, 3.9 cm long, in calcite, Silver Crater mine, Bancroft. Authorâs specimen, Raymond McDougall |
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| the Gorob mine in Namibia, the Aggeneys district of Namaqualand, and the Hemlo area of Ontario, the evidence...it is appropriate to go back to its nineteenth century beginnings. The following is of necessity a highly...highly condensed account. The nineteenth century Lyell (1830â1833), the first to specifically perceive...moved to find their place in new structures. Twentieth century: first half Van Hise (1904) considered that...the contact metamorphic hornfelses of the Oslo district of Norway and the high degree of correlation between |
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| highlands of the Bancroft area, Ontario. PO Box 1924 Bancroft, Ontario, Canada K0L 1C0 mcdougallray@gmail...collection F Ontario, Canada or more than one hundred years, mineral specimens from the Bancroft area, Ontario...Ontario, Canada, have been added to collections around the world, gracing the display cases of museums and...Although the days of commercial mining in the Bancroft area are over, and access to localities has become more...superb specimens are still found today, and Bancroft-area minerals and their localities continue to be the |
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| Harvard University; Dr. Robert I. Gait, Royal Ontario Museum; Dr. William Kelly, New York State Geological...Sn mineralization is virtually absent, the Koss area shows a localized enrichment of Downloaded by...elevated Y-content is exceedingly abundant in this area. When normalized to average chondrite levels (assumed...cheralite or other monazite-group minerals. In the Koss area, bastnasite-series minerals are more prevalent....more LCT-type affiliation, as evident in the Koss area pegmatites. REFERENCE derny, P., and J. Kjellmann |
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| lithium is transferred from micas (muscovite and biotite) to molten granitic liquid and is enriched by the...rich in coarse âsheetâ muscovite. Muscovite and biotite occur individually or together in compositionally...Li-rich pegmatites, muscovite predominates over biotite, and the micas evolve toward Fe-poor, Mnenriched...their lithium content. In the NYF family, Fe-rich biotite is the only important mica in primitive types,...color, which cannot be distinguished from ordinary biotite solid solutions on sight. Volume 92, March/April |
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| Quartz variety amethyst, 3.5 cm tall Kakamunurle Mine, Kar0r, Tamil Nadu, India Bill Larson collection...Herbert Kaiser collection, Robert Brandstetter photo Lower middle: Working an amethyst vein in Morchnerkar...Bottom: Quartz variety amethyst, 6.7 cm tall Wattika Mine, Murzinka, Sverdlovskaya Oblast', Russia Peter Lyckberg...Getty Museum, Villa collection, Malibu, California Lower left: Gold hat ornament with foiled flat and fancy-cut...amethysts from the Cheapside Hoard (16th or 17th century) 3 cm wide, Museum of London (Cat. No. 65129) Right: |
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| COVER:Superbtwinnedyellowfluoritecrystal 15 mm on edge from Hilton Mine, Scordale, Cumbria.PeterBriscoeCollection. T'wENTY...T CUMilRJA EDITOR David I. Green -12- LA.KE DISTRICT -16- MARKETING Peter J. Briscoe Tony Stubbins...of Northern England. This specimen from ~ry Gill Mine, once part of the Fred Bull collection, is°'currently...and to our understanding of the mineralogy of the area. UK Journal of Mines & Minerals No. 22 -3- !foreword...Fells. whi h form the northernmost outpost of rhe Lake Di trice, are famou for beautifully coloured lead |
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| groundwaters), the study of place names of a country or district as part of a study [7]. Toponymics is a science...[7]. the study of place names of a country or district as part of a study [7]. Toponymics is a science...years, intensive emigration to the United States, Canada, Brazil, and other countries occurred among the...citizens [13,14]. One of the nineteenth and twentieth century turning points in Europe was the growth of...SouthAfrica. Africa. Germany, United States,Canada, Canada, and and South Figure2.2.âSzczecinâ âSzczecinâ |
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| 20013 pohwatp@si.edu FLUORITE Part 2 Huanggang Mine, Inner Mongolia, China T he first part of this...this judgment was accurate until the late twentieth century when fluorites from the Peopleâs Republic...northern England, particularly from the Rogerley mine, has made these classic specimens available once...made of the complex crystals from the Trevaunce mine, St. Agnes. The crystals on the Smithsonian specimens...crystals to 2 cm have been recorded.The East Pool mine has produced crystals to 6 cm in colors ranging |
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| Connedistrict, Maine Topsham district, Maine Grafton district, New Hampshire Greenfield...Middletown district, Connecticut Southern Black Hills district, South Dakota Crystal Mountain district, Colorado...Colorado Clear Creek district, Colorado Bunkerville district, Arizona/Nevada Bently district, Nevada O Pegmatite...black tourmaline, garnet (almandine?), muscovite, biotite, and columbite (Navias and Ostrom, 1951). Kunz...previous mining operations may have occurred almost a century ago. A new, one time only, find was made in a New |
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| Mining safety and health issues 511 Mining wastes and mine reclamation .... 515 518 Mohs hardness scale Molybdenum...do populations (particularly smaller ones) with lower levels of ge- â â netic diversity. Preservation...Diversity. valued and One how preservation is area of keen interest that illustrates the issues involved...steady state for Crop a specific conservation area varies in tissue cultures of parts of plants escalating...process of iron ores and in the formation of acid mine drainage. Likewise, much of the sulfur found in |
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| Random House, Inc. and distributed in Canada by Random House of Canada Limited, Toronto Planned and produced...themselves are mineral in origin. Early in the twentieth century it became possible to determine the internal...some works on minerals were published in every century. plays the crystal forms Since the early writers...source materials. For example, in the thirteenth century, (Reo JV. Pickens, Jr.) Albertus Magnus in his...devotes space to explaining why one stone lead-zinc mine in Kansas can make a man invulnerable and another |
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| deposits, such as those in the Balmat-Edwards district. Whether the iron and zinc precipitated as sulfide...that were mined from the middle of the nineteenth century until 1954 and 1987, respectively (Fig. 1). These...0361-0128/01/3357/837-18 $6.00 century until the early twentieth century. The deposits were massive magnetite...production up until the development of the larger Lake Superior deposits in the 1880s. Total production...Balmat-Edwards district 44 Lake Ontario 100 0 km on R. Northwest Adirondacks Lake Erie Huds Legend |
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| Sciences, University of Saskatchewaan, Saskatoon, Canada With 7 Figures Received November 17, 1992; accepted...gold mineralization in the Superior Province of Canada, both being emplaced along translithospheric structures...71-2.65 Ga in the Superior and Slave Provinces, Canada, and in India and Australia, may reflect one of...tectonic evolution of the Archean Superior Province of Canada, in terms of accretion of the diverse plutonic-...x 106 g Au, in the Archean Superior Province of Canada. Modified after Card and Ciesielski (1986) and |
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| ETCHING OF CARROLLITE FROM THE KAMOYA SOUTH II MINE, KATANGA, DEMOCRATIC REPUBLIC OF CONGO. Van King1...Savannah, GA 31404. Carrollite from the Kamoya South II mine is frequently etched, and the extent and variety...by several authors. In the middle of the twentieth century, the interest in these bodies was mainly for...lithium minerals are located in the andalusite and biotite metamorphic isograd, although a regional distribution...the spodumene pegmatites are located at the lower biotite and/or chlorite metamorphic isograd. Abundant |
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| . . . . . . . 1.4 New Kingdom (Eighteenth to Twentieth Dynasty) . . . . . . 1.5 Ptolemaic Period (~300â30.... . . . . . . . . 5.2.32 The Pharaonic Mining District in Wadi el-Sid . . . . . Middle Central Group.... . . . . . . . . . . . . . . . 6.4.11 Hamisana Mine . . . . . . . . . . . . . . . . . . . . . . . ..... . . . . . . . . . . . . . . 6.4.20 Wadi Eleij Area . . . . . . . . . . . . . . . . . . . . . . . .... . . . . . . . . . . . . . . . . . . . . 6.6.28 Mine Nabi 1 . . . . . . . . . . . . . . . . . . . . |
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| otherwise noted Figure 1. Camp Bird mine, level 2, Sneffels district, Ouray County. Raines-Pettem collection...Nearly 100 million pounds came from the Leadville district, with another 50 million pounds mined in San Juan...County (Henderson 1926). During the twentieth century, the Gilman district surpassed Leadville in total copper...the Eagle mineâs (Gil304 ROCKS & MINERALS man district) production. This does not mean that copper has...copper-bearing chimneys are limited to the Red Mountain district in Ouray County. Figure 2. Colorado mineral belt |
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| Australia Nelson Canada 1120 Birchmount Road Scarborough, Ontario MIK 5G4, Canada 16 15 14 13 12..., was responsible for photographs of the Argyle mine and the spectacular pink diamond. The Smithsonian...Araguaia regions of Mato Grosso, and the Gibue's district in Piaui. Placer diamonds are also found in several...mines in the Central district of Maharashtra, and also in the Eastern district in Orissa and the Bundelkhand...Bundelkhand (Northern) district in Madhya Pradesh. This latter district includes the famous Panna mines |
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| Australia Nelson Canada 1120 Birchmount Road Scarborough, Ontario MIK 5G4, Canada 16 15 14 13 12..., was responsible for photographs of the Argyle mine and the spectacular pink diamond. The Smithsonian...Araguaia regions of Mato Grosso, and the Gibue's district in Piaui. Placer diamonds are also found in several...mines in the Central district of Maharashtra, and also in the Eastern district in Orissa and the Bundelkhand...Bundelkhand (Northern) district in Madhya Pradesh. This latter district includes the famous Panna mines |
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| MontrĂ©al, C.P. 8888, Succ. Centre-Ville, MontrĂ©al, Qc, Canada, H3C 3P8 AND BRUCE M. WALKER Molycorp Inc., Questa...addressed for the Goat Hill orebody of the Questa mine, New Mexico. â Corresponding author: email, p_s_ross@hotmail...parameters in this orebody. Regional Geology The Questa mine is located in north-central New Mexico, USA, in...Range of the Sangre de Cristo Mountains. In the mine vicinity, the Tertiary Latir volcanic field overlies...foliation Stream Fault, dashed where inferred Mine shaft Contact, dashed where inferred Sulfur Gulch |
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| brick came to dominate construction in the twentieth century. Many of the types of building stone, such...type used was the âcoarse grained megacrystic biotite granite â smaller megacryst variantâ of Hawkes...granite developed in the nineteenth and early twentieth centuries, employing large numbers of skilled...buildings in the granite areas. Most pre-nineteenth century granite building did not use quarried stone but...times onwards for fonts and church carvings in the area around the Camel estuary. A more unusual stone, |
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| and definitive source. Gaia in the Twenty-First Century Gaia is essentially about life, because life is...planetary temperature to the area covered by daisies, curve A1 being for a lower heat input by the planetâs...families or groups of villagers purchase a licence to mine; in other areas there is little regulation, and...buyer) will, by building relationships with miners, mine owners, and local traders, gain expertise and some...Peridot Ruby Sapphire Topaz Tourmaline Turquoise Canada Diamond Nephrite jade Mexico Opal Topaz Tourmaline |
