Report of Investigation 195
... The present work summarizes the results of the project “3D/4D modeling – Outokumpu area as a case study” conducted during 2007–2009 and 3D modeling of the Outokumpu assemblage in the project “Development of geological 3D modeling using structural geology and geostatistics” in 2010 at the Geological ...
... The present work summarizes the results of the project “3D/4D modeling – Outokumpu area as a case study” conducted during 2007–2009 and 3D modeling of the Outokumpu assemblage in the project “Development of geological 3D modeling using structural geology and geostatistics” in 2010 at the Geological ...
Volcanogenic Massive Sulfide Deposits
... (eds.) Seafloor Hydrothermal Systems: Physical, Chemical, Biological, and Geological Interactions, Geophysical Monograph Series, vol. 91, pp. 85–114. Washington, DC: American Geophysical Union. ...
... (eds.) Seafloor Hydrothermal Systems: Physical, Chemical, Biological, and Geological Interactions, Geophysical Monograph Series, vol. 91, pp. 85–114. Washington, DC: American Geophysical Union. ...
mississippi valley-type lead-zinc deposits (mvt)
... dolostone as open-space fillings, collapse breccias and/or as replacement of the carbonate host rock. Less commonly, sulphide and gangue minerals occupy primary carbonate porosity. The deposits are epigenetic, having been emplaced after lithification of the host rock. MVT deposits originate from sal ...
... dolostone as open-space fillings, collapse breccias and/or as replacement of the carbonate host rock. Less commonly, sulphide and gangue minerals occupy primary carbonate porosity. The deposits are epigenetic, having been emplaced after lithification of the host rock. MVT deposits originate from sal ...
volcanogenic massive sulphide deposits
... Alan Galley, Mark Hannington and Ian Jonasson because of its high Au/base metal ratio (Au ppm/Zn+Cu+Pb% = 1.9) it is classified by Agnico-Eagle Inc. as a gold deposit rather than a VMS deposit. Determining the mean and median metal concentrations for Canadian VMS deposits is difficult due to missin ...
... Alan Galley, Mark Hannington and Ian Jonasson because of its high Au/base metal ratio (Au ppm/Zn+Cu+Pb% = 1.9) it is classified by Agnico-Eagle Inc. as a gold deposit rather than a VMS deposit. Determining the mean and median metal concentrations for Canadian VMS deposits is difficult due to missin ...
joseph barrell - National Academy of Sciences
... as lucky in securing an instructorship at Lehigh in mining and metallurgy." This position he held for four years, teaching mechanical drawing, mining and metallurgical design, making shop visits to various metallurgical plants, and practising surveying with students in the anthracite mines. "Teachin ...
... as lucky in securing an instructorship at Lehigh in mining and metallurgy." This position he held for four years, teaching mechanical drawing, mining and metallurgical design, making shop visits to various metallurgical plants, and practising surveying with students in the anthracite mines. "Teachin ...
garwin_et_al_2005 Au-Cu Cenozoic magmatic arcs SE Asia
... forearc and backarc sides of the northern part of the arc, respectively. This intrusive activity was followed by Pliocene and Quaternary calc-alkaline andesite volcanism, which is associated with rhyolite and dacite in the backarc (Karakida et al., 1992). Paleomagnetic data (Kodama et al., 1995) and ...
... forearc and backarc sides of the northern part of the arc, respectively. This intrusive activity was followed by Pliocene and Quaternary calc-alkaline andesite volcanism, which is associated with rhyolite and dacite in the backarc (Karakida et al., 1992). Paleomagnetic data (Kodama et al., 1995) and ...
Geological Survey of Canada, 601 Booth Street, Ottawa, Ontario
... The resulting orebodies associated with the sublayer at the base of the intrusion form irregular lenticular sulphiderich masses, with the longest dimension plunging steeply as at the Murray mine on the South Range (Fig. 6A), and the Strathcona, McCreedy East, and Fraser mines on the North Range (Fig ...
... The resulting orebodies associated with the sublayer at the base of the intrusion form irregular lenticular sulphiderich masses, with the longest dimension plunging steeply as at the Murray mine on the South Range (Fig. 6A), and the Strathcona, McCreedy East, and Fraser mines on the North Range (Fig ...
Iron Oxide Copper-Gold Deposits: Geology, Space
... Uncertainty also exists about the original tectonic settings of several major IOCG districts, and considerably more research is needed before it will be clear whether these deposits are linked by a single family of related genetic mechanisms or whether they can form in a range of fundamentally diffe ...
... Uncertainty also exists about the original tectonic settings of several major IOCG districts, and considerably more research is needed before it will be clear whether these deposits are linked by a single family of related genetic mechanisms or whether they can form in a range of fundamentally diffe ...
Carlin-Type Gold Deposits in Nevada: Critical Geologic
... Carlin-type Au deposits in Nevada have huge Au endowments that have made the state, and the United States, one of the leading Au producers in the world. Forty years of mining and numerous studies have provided a detailed geologic picture of the deposits, yet a comprehensive and widely accepted genet ...
... Carlin-type Au deposits in Nevada have huge Au endowments that have made the state, and the United States, one of the leading Au producers in the world. Forty years of mining and numerous studies have provided a detailed geologic picture of the deposits, yet a comprehensive and widely accepted genet ...
The VMS Model: Advances and Application to Exploration Targeting
... Our assessment of the geological and geochemical attributes of the VMS model and their applicability and significance to exploration will start with large-scale features and progress to features that characterize the immediate deposit environment. First we address features indicative of a favorable ...
... Our assessment of the geological and geochemical attributes of the VMS model and their applicability and significance to exploration will start with large-scale features and progress to features that characterize the immediate deposit environment. First we address features indicative of a favorable ...
M40-49-8-7-eng - Publications du gouvernement du Canada
... has special metallogenetic importance, as they are the source rocks for more than 75% of the metals mined i n the world (Gross, 1993a). Iron deposits include the common iron-rich oxide, silicate, carbonate, and sulphide lithofacies of iron-formation which are described in the following papers. Other ...
... has special metallogenetic importance, as they are the source rocks for more than 75% of the metals mined i n the world (Gross, 1993a). Iron deposits include the common iron-rich oxide, silicate, carbonate, and sulphide lithofacies of iron-formation which are described in the following papers. Other ...
T.Y.B.Sc. Geology
... B) a) Definition of Tectonic Elements of continents (cratons, shield, folded mountain belts)and oceans ( mid oceanic ridges, trenches and transform faults) b) Cratons of India and associated Proterozoic basins c) General review of Indian Stratigraphy & Classification of the Indian litho-stratigraphi ...
... B) a) Definition of Tectonic Elements of continents (cratons, shield, folded mountain belts)and oceans ( mid oceanic ridges, trenches and transform faults) b) Cratons of India and associated Proterozoic basins c) General review of Indian Stratigraphy & Classification of the Indian litho-stratigraphi ...
of the American Cordillera
... Published and Copyrighted in 1996 by the Geological Society of Nevada Reno , Nevada Printed in the United States of America by Camera Ready Art , Reno , Nevada ISBN 1- 889824-00- 3 ...
... Published and Copyrighted in 1996 by the Geological Society of Nevada Reno , Nevada Printed in the United States of America by Camera Ready Art , Reno , Nevada ISBN 1- 889824-00- 3 ...
Sample pages 2 PDF
... swarm of classifications based on tectonic settings. As in Table 2.5, deposits in ocean basins were distinguished from those in convergent margins or intracratonic settings, and so on. This type of classification is still used, particularly when discussing the broad-scale distribution of ore deposits, ...
... swarm of classifications based on tectonic settings. As in Table 2.5, deposits in ocean basins were distinguished from those in convergent margins or intracratonic settings, and so on. This type of classification is still used, particularly when discussing the broad-scale distribution of ore deposits, ...
Syngenetic origin for the sediment-hosted disseminated
... mineralization in explored geothermal systems controlled by the Late Cenozoic Basin and Range faults in the western United States. They proposed thus, an alternative genetic model, in which gold was contributed by epizonal intrusions and was precipitated as ...
... mineralization in explored geothermal systems controlled by the Late Cenozoic Basin and Range faults in the western United States. They proposed thus, an alternative genetic model, in which gold was contributed by epizonal intrusions and was precipitated as ...
Burrell Creek map area: setting of the Franklin
... descriptions and nomenclature are based only on field observations. The complex is roughly concentric with an inner zone of pyroxenite and gabbro, surrounded by monzogabbro, diorite and monzonite (Figure 3). The intrusive complex trends west-northwest, particularly in the western and central parts; ...
... descriptions and nomenclature are based only on field observations. The complex is roughly concentric with an inner zone of pyroxenite and gabbro, surrounded by monzogabbro, diorite and monzonite (Figure 3). The intrusive complex trends west-northwest, particularly in the western and central parts; ...
ARSENIDE VEIN SILVER, URANIUM
... The age of the arsenide silver-cobalt veins has been established from geological evidence and from dating of the associated diabase sheets. In the Cobalt area the arsenide silver-cobalt veins cut the Nipissing diabase, but are displaced by postore reverse faults, which are contemporaneous with the i ...
... The age of the arsenide silver-cobalt veins has been established from geological evidence and from dating of the associated diabase sheets. In the Cobalt area the arsenide silver-cobalt veins cut the Nipissing diabase, but are displaced by postore reverse faults, which are contemporaneous with the i ...
AM N Pz Scale 1:8 500 000 - Norges geologiske undersøkelse
... semi-continuous nickel mining in Norway, including a period in the early 1870s during which Norway was the world’s major supplier (a position supplanted by New Caledonia after the discovery there of nickel laterite ores). Mining of pyrite from massive sulphides, for use in production of sulphuric ac ...
... semi-continuous nickel mining in Norway, including a period in the early 1870s during which Norway was the world’s major supplier (a position supplanted by New Caledonia after the discovery there of nickel laterite ores). Mining of pyrite from massive sulphides, for use in production of sulphuric ac ...
Gold Platinum Report - El Capitan Precious Metals, Inc.
... Precambrian rocks and occur with abundant felsic dikes and pegmatites; the Goodsprings area includes felsic plutons cutting Devonian host carbonates – the nearest pluton outcropping 5 km from the principal deposit. The above associations indicate that hydrothermal mineralization in these deposits is ...
... Precambrian rocks and occur with abundant felsic dikes and pegmatites; the Goodsprings area includes felsic plutons cutting Devonian host carbonates – the nearest pluton outcropping 5 km from the principal deposit. The above associations indicate that hydrothermal mineralization in these deposits is ...
04-Geol-B10-2 Electrical Methods
... formation. Anomalies in residual and transported overburden, stream waters, stream sediments, vegetation. Factors affecting relative mobility of elements. Background values, threshold values, orientation surveys. Application, planning and interpretation of geophysical surveys. Planning surface drill ...
... formation. Anomalies in residual and transported overburden, stream waters, stream sediments, vegetation. Factors affecting relative mobility of elements. Background values, threshold values, orientation surveys. Application, planning and interpretation of geophysical surveys. Planning surface drill ...
Iron Ore Deposits of Afghanistan
... The oldest part of the succession crops out north-west of the Hajigak deposits (Figure 2). It consists of grey silicified limestones and dolomites interbedded with dark grey crystalline schists and light coloured quartzites that display evidence of amphibolite grade metamorphism. They are mapped as ...
... The oldest part of the succession crops out north-west of the Hajigak deposits (Figure 2). It consists of grey silicified limestones and dolomites interbedded with dark grey crystalline schists and light coloured quartzites that display evidence of amphibolite grade metamorphism. They are mapped as ...
M.Sc. Geology Revised Syllabus June 2013 I Semester Code Paper
... Geographical Information System (GIS) – Introduction – Components of GIS – Data structures in GIS – Raster and Vector Data Structures – Types of data – Points, lines and polygons – Data conversion – Raster to vector and vector to raster. Data input, verification, storage and output – Data Input proc ...
... Geographical Information System (GIS) – Introduction – Components of GIS – Data structures in GIS – Raster and Vector Data Structures – Types of data – Points, lines and polygons – Data conversion – Raster to vector and vector to raster. Data input, verification, storage and output – Data Input proc ...
MSU Billings Government Documents Weeding List I 19.3 Numbers 1400’s
... Rapid Analysis of Silicate, Carbonate, and Phosphate Rocks—Revised Edition I 19.3: 1402 ...
... Rapid Analysis of Silicate, Carbonate, and Phosphate Rocks—Revised Edition I 19.3: 1402 ...
to complete course work syllabus for M.Sc
... Dynamic evolution of continental and oceanic crust. Formation of mountain roots. Anatomy of orogenic belts. Origin and tectonics of the Himalayas. Books Recommended 1. Badgley, P.C. 1965: Structure and tectonics. Harper and Row. 2. Ramsay, J.G. 1967: Folding and fracturing of rocks. McGraw Hill. 3. ...
... Dynamic evolution of continental and oceanic crust. Formation of mountain roots. Anatomy of orogenic belts. Origin and tectonics of the Himalayas. Books Recommended 1. Badgley, P.C. 1965: Structure and tectonics. Harper and Row. 2. Ramsay, J.G. 1967: Folding and fracturing of rocks. McGraw Hill. 3. ...
Syllabus Science Geology Sem-3-4
... ideas on the aspects of applied geomorphology. Engineering Geology: Geology in relation to engineering. Properties on rocks to be used as building stones. Unit - 4 Stratigrpahy: Classification of geological formations of India. Brief account of different geological formations of India. Study of Arch ...
... ideas on the aspects of applied geomorphology. Engineering Geology: Geology in relation to engineering. Properties on rocks to be used as building stones. Unit - 4 Stratigrpahy: Classification of geological formations of India. Brief account of different geological formations of India. Study of Arch ...
Josiah Edward Spurr
Josiah Edward Spurr (1870–1950) was an American geologist, explorer, and author.Born in Gloucester, Massachusetts, he was considered something of a failure as a youth, unsuited for the family fishing business, since on a voyage he invariably became seasick. Since he could not be a productive fisherman like his brothers, his parents decided he might as well go to college. After working his way through Harvard, he began his career with the Minnesota Geological Survey, making the first-ever geological map of the great Mesabi iron range in Minnesota.J. E. Spurr led two expeditions of historic importance in Alaska for the United States Geological Survey in 1896 and 1898, made without the benefit of telephones, airplanes, the internal combustion engine, or electrical appliances. In 1896 he led the first expedition to map and chart the interior of Alaska, exploring the Yukon Territory, where gold had been discovered. In 1898 Spurr went down the length of the Kuskokwim River, naming as he traveled previously undiscovered mountains, mountain ranges, creeks, rivers, lakes and glaciers. At the end of the Kuskokwim expedition he made the first scientific observations of the Mount Katmai volcano, and the valley that later became known as the ""Valley of Ten Thousand Smokes."" During these expeditions he encountered Native Americans, Aleuts, traders, missionaries, prospectors, whiskey smugglers and various con artists. His books were seen as the definitive work on Alaskan minerals during the Alaska Gold Rush. They read like an adventure including the expedition's experiences with ice dams bearing down on them and lost provisions, as well as interactions with native Indians and missionaries.After charting these regions, Spurr became the world's leading geological consultant, working for clients including the Sultan of Turkey, Bernard Baruch, and the Guggenheims. He was generally regarded as one of the world's foremost geologists, and probably the leader in the field of economic geology (the application of geology to mining). At the age of 68 he became interested in the origin of craters of the moon, and published four books that made a major contribution to the field. His last book, ""Geology as applied to Selenology"", published just a year before his death, has been criticised, but was influential in the new field. He was considered a superb and pithy writer.He published well over a hundred articles in scientific journals, books and monographs, as well as poetry and books for a general audience. He has named after him, Mount Spurr, a very active volcano near Anchorage; Spurr crater on the moon; and a mineral, spurrite. Many of his papers, correspondence and photographs are in the American Heritage Center of the University of Wyoming; others are preserved in the Anchorage office of the United States Geological Survey.His children were Edward ""Ted"" Spurr, an entrepreneur; John Spurr, a publishing executive; William Alfred Spurr, Professor of Statistics at Stanford; Robert A. Spurr, professor of chemistry at the University of Maryland; and Stephen H. Spurr, an authority on forestry and forest ecology and former president of the University of Texas at Austin.There is a recent biography of him by Stephen J. Spurr, an economist who is his grandson.