Who we are the bureau of economic geology, established in 1909, is the oldest research unit at the university of texas at austin. Kong, zhigang wu, yue liang, ting zhang, feng meng, xuyang lu, lin and yang, g. The study area is covered by carboniferous to lower permian metasedimentary rocks consisting of slate, phyllite, and schist of the mergui group, intruded by later igneous rocks. Mineralogy, geochemistry and genesis of shahbolaghi iron deposit west of zanjan, msc thesis, shahid beheshti university, tehran, iran. Formation of magnesian iron skarn at bashkand, sw of. The cannington silver and lead mine is an australian underground mine located in northwest queensland, in the shire of mckinlay, about 200 kilometres 124 mi southeast of mount isa. Volume 100 issue 3 economic geology geoscienceworld. Publication date 19 publisher mcgrawhill book company, inc.
Selley and others, 2005, a new look at the geology of the zambian copperbelt. Multiple constraints from chospbsr isotopic compositions. In the last decade, significant progress has been made in the definition, classification, characterization, thereby aiding understanding of the main gold deposit types. Volume 112 issue 4 economic geology geoscienceworld.
Four gold occurrences have been identified in the kyaikhto district. Society of economic geologists, littleton, colorado, usa, pp. Proffett gsaseg, october 2014 references carson, d. The mineralization is in the same grey dolomitic urquhart shale as the mount isa mines deposit and a similar diagenesis is posited. The chemical characteristics of the ordovician rock s of kentucky. Geol 463 economic geology 2 if the campus is closed for any reason during a scheduled activity, the material of that day will be made up by rescheduling, or by special assignment. Webb 1966, minerals of california, centennial volume 18661966. Mail stop 973, box 25046, denver, colorado 80225 john l. Diversity of gold deposits, geodynamics and conditions of. Mantlederived magmas and magmatic nicupge deposits n.
Sulfur isotope and trace element data from ore sulfides in. The hilton mine is a zinc, lead and silver mine in northwestern queensland, australia, approximately 22 kilometres 14 mi north of the mount isa mines. It is one of five supergiant zinc, lead and silver mineralized deposits that have been found in the mount isa. The present work aims to provide an update on the current state of knowledge on the different types of gold deposits models, geodynamics, their mode of formation and. View syllabus from easc 3210 at memorial university of newfoundland. Mineralization of luziyuan pbzn skarn deposit, baoshan. Sedimenthosted pbzn deposits contain the worlds greatest lead and zinc resources and dominate world production of these metals. A preface to economic geology of iran, national geoscience database of iran. Due to suppression weathering erythrite, the secondary mineral of cobaltite, is formed on surface of the veins. Angloamerican, 2009, nickel reserves and resources, estimates as at 31 december 2009. Diversity of gold deposits, geodynamics and conditions of formation. Implications for exploration of worldclass and giant deposits. Volume 100 issue 2 economic geology geoscienceworld.
Use the link below to share a fulltext version of this article with your friends and colleagues. From the first issue in 1905 onward, economic geology has been the main. The central african copper belt geology for investors. Geology, mineralogy, s and sr isotope geochemistry, and. Tectonic setting, geology, and gold and copper mineralization in cenozoic magmatic arcs of southeast asia and the west pacific. Canadian journal of earth sciences canadian science publishing. Jun 08, 2016 the central african copper belt cacb is the largest and most prolific mineralized sedimenthosted copper province known on earth. Newfoundland and labrador department of mines and energy, geological survey, open file nfld2790, 68 p. A novel conceptual model of intrusion related gold bearing systems.
Gold mineralization in the kyaikhto district, mon state. Isa inlier, economic geologists will be disappointed by the lack of critical discussion of important economic geology problems. A read is counted each time someone views a publication summary such as the title, abstract, and list of authors, clicks on a figure, or views or downloads the fulltext. The deposit was discovered by broken hill proprietary company bhp in 1990. Although several carlintype au deposits in nevada are world class 100 t au and giant 250 t au, total contained au and ore grades vary widely across districts and within deposits fig. Dawson, r simpson 1983 the geology and controls of skakn mineralization in the hedley gold camp southern british columbia 92w8, 82315 british columbia ministry of energy, mines and petroleum resources. Set economic geology economic geology 100th anniversary volume economic geology pub. Epigenetic gold deposits in metamorphic terranes include those of the precambrian shields approx 23,00025,000 t au, particularly the late archean greenstone belts and paleoproterozoic fold belts, and of the late neoproterozoic and younger cordilleranstyle orogens approx 22,000 t lode and 15,500 t placer au, mainly along the margins of gondwana, laurentia, and the more recent circum. Request pdf world skarn deposits skarn deposits are one of the more abundant ore types in the earths crust and form in rocks of almost all ages.
Tectonic setting, geology, and gold and copper mineralization in cenozoic magmatic arcs of. References crustal permeability wiley online library. Rhenium critical metals handbook wiley online library. Since the discovery of the supergiant olympic dam deposit in australia in 1975, iron oxide coppergold iocg deposits have become the largest producer of uranium hitzman and valenta, 2005, skirrow, 2011, the third producer of copper sillitoe, 2012 and significant producer of gold kerrich et al. The mine was the supplier of silver for the sydney 2000 summer olympics and the beijing 2008 summer olympics. Nickelbearing laterite deposits in accretionary context and. Fertile granites of precambrian rareelement pegmatite fields. They are a chverse group of ore deposits hosted by a wide variety of carbonate and siliciclastic roch that have no obviolls genetic association with igneous activity. Distribution, character and genesis of gold deposits in.
Critical geologic characteristics and viable models. You probably dont think about it much in your daily life, but the majority of the modern conveniences you enjoy are reliant on earths natural resources. Magmatic processes in the development of porphyrytype ore systems. The data used in this contribution are mainly from a global compilation of wellestablished iocg deposits in williams et al. Porphyry deposits account for roughly 85 to 90 per cent of primary rhenium production. World mine production of rhenium from the main known sources in 2012 has been estimated at about 44. Ore deposits and their exploitation open university 2006 library set harben, p. Gold in iron oxide coppergold deposits sciencedirect. Skarn deposits, economic geology, 75th anniversary volume, p. On hydrothermal convection systems and the emergence of life. Gold occurs in a wide range of deposit types and settings. Sources of oreforming material for pbzn deposits in the sichuanyunnanguizhou triangle area. A nmge of orefortl1ing processes in a vmiety of geologic and tectonic environments created these. All of the deposits and resources occur at the intersection of northnorthwest and northeasttrending highangle faults in slope facies.
All of the deposits and resources occur at the intersection of northnorthwest and northeasttrending highangle faults in slope facies limestones of. Special needs i will make every possible effort to accommodate your request for special accommodations, when justified. Introduction for over 100 years, interpretations of the genesis of hydro. Society of economic geologists, special publication, v. Geology, mineralogy, s and sr isotope geochemistry, and fluid.
In economic geology, 100th anniversary volume, hedenquist. He has published more than 200 papers in economic geology, is a past recipient of the seg silver medal, past editorinchief of mineralium deposita, and is presently on the editorial boards of economic geology, gondwana research, geea, and journal of the geological society of china. A series of 100th anniversary papers in economic geology stephen e. One hundredth anniversary volume geoscienceworld books. Exploration drilling through cover has greatly expanded the size of several districts and, along with developed. One hundredth anniversary volume 19052005 jeffrey hedenquist, john thompson, richard goldfarb and jeremy p. Full text views reflects the number of pdf downloads. Economic geology 100th anniversary volume 2005, pp. It has been estimated to host over 5 billion tonnes of copper ore with grades up to 4%. The subjoined table gives a summary of these bulletins. Geology and geochemistry of jasperoids from the gold bar. World mine production of rhenium from the main known sources in 2012 has been estimated at.
Nickelbearing laterite deposits in accretionary context. Magmatic processes in the development of porphyrytype ore. The area is host to numerous operating mines and has been worked continuously for the last century. Simposya and hart, 2008, technical report on the mineral resources for the konkola north copper project, chililabombwe, zambia, teal exploration and mining inc. Of the different ore types, supergene nilaterite production, as opencast mining exploitation, is on the rise and surpassing the more conventional hypogene sulfide type. Nickel production is vital to modern economic development. The key features of selected gold bearingintrusion related ore deposits and their. The high bridge formations of kentucky consist almost entirely of limestone with a high percentage of lime more th 60 per cent. Hedenquist, jw, thompson jfh, goldfarb rj, richards jp eds economic geology 100th anniversary volume, society of economic geologists, inc. Gold bar is one of several carlintype gold mining districts located in the battle mountaineureka trend, nevada.
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