These vms deposits include what were formerly classified as. The data was recently used for mineraldeposit density models mosier and others, 2007. In canada, approximately half of countrys zinc production is from vms deposits that also supply 40% of canadas silver production. Volcanogenic massive sulfide deposits of the world a video showing the distribution of vms deposits using usgs data last updated 2010. The cambroordovician period has yielded the major development of volcanichosted massive sulfide vhms deposits in australia, resulting in about 12 million metric tons of contained metal copper, lead, and zinc, concentrated in the mount read volcanics tasmania and the mount windsor volcanics queensland, the archean 4 million metric tons of metal and the silurian 3. I have just modified one external link on volcanogenic massive sulfide ore deposit. Geologic setting of the turneralbright massive sulfide deposit josephine county, oregon. Volcanogenic massive sulfide deposit how is volcanogenic massive sulfide deposit abbreviated.
There are a lot of volcanogenic massive sulfide vms deposits and numerous mineral occurrences of this type of mineralization in iran. Volcanogenic massive sulfide deposit how is volcanogenic. Our new models are based on a reclassification of deposits based on host lithologies. These vms deposits include what were formerly classified as kuroko, cyprus, and besshi deposits. Volcanogenic massive sulfide deposits contain variable amounts of gold, both in terms of average grade and total gold content, with some vms deposits hosting worldclass gold mines with more than 100 t au. The deposits are formed by the precipitation of dominantly sulfide minerals around hydrothermal vents e. Geological survey volcanogenic massive sulfide occurrence model sea level backarc basin island arc midocean ridge oceanic intraplate volcanoes continental margin arc continental riftbackarc basin subducting slab continental lithosphere mantle plume. Definition of goldrich volcanogenic massive sulphide deposits simplified definition a lens of iron, copper, zinc and leadsulphides, with significant amounts of silver and gold, formed on or below the sea floor by hot springs on and around submarine volcanoes. Volcanogenic massive sulphide vms deposits are also known as volcanicassociated, volcanichosted, and vol canosedimentaryhosted massive sulphide deposits. Volcanogenic massive sulfide deposits of the world 2015 11. Styles, textural evolution, and sulfur isotope systematics of curich sulfides from the cambrian whalesback volcanogenic massive sulfide deposit, central newfoundland, canada jonathan cloutier,1, stephen j.
The host of deposits is composed of large amount of mafic volcanic rocks with minor mafic volcanic and little siliciclastic sedimentary rocks such as shale. Other articles where volcanogenic massive sulfide is discussed. Studies of ancient volcanogenic massive sulfide vms deposits have revealed that the nature of the substrate coherent vs. Polymetallic massive sulphide deposits are most commonly formed along tectonic plate boundaries and volcanic provinces in water depths from volcanogenic massive sulfide deposits contain variable amounts of gold, both in terms of average grade and total gold content, with some vms deposits hosting worldclass gold mines with more than 100 t au. Wherever volcanism occurs beneath the sea, the potential exists for seawater to penetrate the volcanic rocks, become heated by a magma chamber, and react with the enclosing rocksin the process concentrating geochemically scarce metals and so forming a hydrothermal solution. Piercey,1 graham layne,1 john heslop,2 andrew hussey,2 and glenn piercey3. Aug 21, 20 nearly a quarter of the worlds zinc production is from volcanogenic massive sulphide vms deposits. They typically occur as lenses of polymetallic massive sulphide that form at or near the seafloor in submarine volcanic envi ronments. Strickler published in oregon geology, october 1986. Schematic diagram of the modern transatlantic geothermal tag sulfide deposit on the midatlantic ridge, depicting a cross section of a volcanogenic massive sulfide deposit with concordant semimassive to massive sulfide lens underlain by a. Further research has indicated a more complex spectrum of conditions for the. A simplified economic filter for underground mining of massive sulfide deposits openfile report 2000349 by.
This one covers volcanogenic massive sulfide vms and sedimentary exhalative ore deposits 101 part 7 vms volcanogenic massive sulfides and sedimentary exhalative sedex deposits on vimeo join. Volcanogenic massive sulfide deposits of the world database. Volcanogenic massive sulphide vms base metal deposits. Several small to mediumsized volcanogenic massive sulfide deposits have been identified. The giant kidd creek volcanogenic massive sulfide deposit, western abitibi subprovince, canada. The giant kidd creek volcanogenic massive sulfide deposit.
High sulfidation deposits in the volcanogenic massive. Volcanogenic massive sulphide deposits,types and its origin slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. This originally was intended to identify deposits that are transitional between vms and epithermal deposits e. Volcanogenic massive sulfide occurrence model usgs. Nov 21, 2015 volcanogenic massive sulfide deposits of the world a video showing the distribution of vms deposits using usgs data last updated 2010. Felsic, bimodalmafic, and mafic volcanogenic massive sulfide deposits. It now occurs as a pipelike body that extends from the surface to a depth of 4,500 feet.
Median value is the center line of box, 25th and 75th quartiles are top and bottom of box, and the blue line is the grand mean. A type of volcanic massive sulfide deposits associated with ophiolite. Massive sulfide deposit, western abitibi subprovince, canada mark d. Volcanogenic gold in the massive sulfide environment. A 100millionton resource of base and precious metalbearing mineralization, distributed in or more deposits and occurrences and clustered in three districts, has been identified in.
Volcanogenic massive sulphide deposits 143 ple bimodal definition of normal versus aurich vms deposits fig. The early proterozoic greenstone belt of northern wisconsin possesses some of the best volcanogenie volcanichosted massive sulfide potential in north america. Jan 22, 2016 volcanogenic massive sulfide occurrence model 1. Volcanogenic massive sulphide deposits alan galley, mark hannington and ian jonasson geological survey of canada, 601 booth street, ottawa, on, k1a oe8 email. Volcanogenic massive sulfide ore deposits, also known as vms ore deposits, are a type of metal sulfide ore deposit, mainly copperzinc which are associated with and created by volcanicassociated hydrothermal events in submarine environments these deposits are also sometimes called volcanichosted massive sulfide vhms deposits. Volcanogenic massive sulfide ore deposits wikipedia. Volcanogenic massive sulfide vms deposits are mineral accumulations that form on or near the seafloor at sites of hightemperature hydrothermal vent fluid discharge. The deposit is concordant with the sedimentary structure of the host, and is. This one covers volcanogenic massive sulfide vms and sedimentary exhalative ore deposits 101 part 7 vms volcanogenic massive sulfides and sedimentary exhalative sedex deposits on vimeo. The term has been coined by mineral explorers to differentiate the modern deposit from the ancient. Massive sulphide deposits massive sulphide deposits source 1. Grade and tonnage models are useful in quantitative mineralresource assessments.
Depositional setting and deformation of massive sulfide deposits, ironformation, and associated alteration in the manitouwadge greenstone belt, superior province, ontario economic geology systematics of hydrothermal alteration at the falun base metal sulfide deposit and implications for ore genesis and exploration, bergslagen ore district. Geodiversity of hydrothermal processes along the midatlantic. Economically viable deposits can be either active or inactive, with different biological communities present at each. Apr 15, 2016 volcanogenic massive sulphide deposits,types and its origin slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. Characterized by an assemblage composed of 40 to 80% sulfide minerals, it primarily consists of pyrite with lesser amounts of interstitial quartz, dolomite and ankerite. Volcanogenic massive sulfide ores at the united verde mine and its host rocks were deformed in series of open folds that generally plunge northnorthwest. Along with new concepts of ore deposition came new technology to aid in the search for mineral deposits. Previous studies have identified goldrich vms as having an average gold grade, expressed in gt, exceeding the total abundance of base metals, expressed in wt. Geology and mineralogy of massive sulfide ores from the. Pat shanks iii and roland thurston chapter c of mineral deposit models for resource assessment. Vms deposits also yield significant amounts of lead, silver, copper, and gold. Sms deposits were first recognized during the exploration of the deep oceans and the mid ocean ridge spreading centers in the early 1960s. Volcanogenic massive sulfide deposits of northern wisconsin. Volcanogenic massive sulphide vms deposits have made important contributions to the economic development of newfoundland over more than a century.
A simplified economic filter for underground mining of massive sulfide deposits. Geological survey volcanogenic massive sulfide occurrence model sea level backarc basin island arc midocean ridge oceanic intraplate volcanoes continental margin arc continental riftbackarc basin subducting slab continental lithosphere mantle. Volcanogenic massive sulfide deposits of the world. Geophysical characteristics of volcanogenic massive sulfide deposits figure 71. The gold content of volcanogenic massive sulfide deposits. The barika deposit is the first documented auriferous kurokotype volcanogenic massive sulfide vms deposit in iran. Apr 21, 2018 unoxidized mineralogy of the united verde deposit is simple. Ore deposit is a natural concentration of one or more minerals within the host rock. Volcanogenic massive sulfide deposits of the world 2015 11 21.
Arizona geological society spring field trip jerome. Australian volcanichosted massive sulfide deposits. In this paper, 867 deposits were used to construct revised grade and tonnage models. The models and database presented in this report are an update of earlier publications about volcanogenic massive sulfide vms deposits. Arizona geological society spring field trip jerome an. Styles, textural evolution, and sulfur isotope systematics.
Volcanogenic massive sulfide vms deposits, together with their close analogs, sedimentaryexhalative massive sulfide deposits, have accounted for more than half of global production of zn and pb. Geophysical characteristics of volcanogenic massive. Ocean drilling program odp leg 158 recovery from the active tag massive sulfide deposit at 26n on the midatlantic ridge provides a unique opportunity to study sulfide textures and paragenesis from the internal parts of what can be considered a modernday ana. Geodiversity of hydrothermal processes along the mid. Part or all of this report is presented in portable document format pdf. Lithostratigraphic, hydrothermal, and tectonic setting of. If you continue browsing the site, you agree to the use of cookies on this website. Pages in category volcanogenic massive sulfide ore deposits the following 8 pages are in this category, out of 8 total. Metallogeny of volcanogenic massive sulfide deposits of.
Here, i focus on the archean vms deposit, kidd creek, located near timmins, ontario, to study the nature of the oceanic sulfate reservoir, and to extract. Many deposits are of a tonnage and mineral grade comparable to land deposits and are attractive to mining companies. Massive sulfide ores were collected from active and inactive vents and smokers and from mounds of the hydrothermal jade field in the central okinawa trough japan, which is a tectonically active intracontinental backarc basin located in the northwestern pacific. Styles, textural evolution, and sulfur isotope systematics of. Polymetallic massive sulphide deposits are most commonly formed along tectonic plate boundaries and volcanic provinces in water depths from volcanogenic massive sulfide ore deposits the following 8 pages are in this category, out of 8 total. Volcanogenic massive sulfide deposits are actively forming today in modern oceans from vents that are generally. Volcanogenic massive sulfide deposits, also known as volcanichosted massive sulfide, volcanicassociated massive sulfide, or seafloor massive sulfide deposits, are important. Seafloor massive sulfide deposits or sms deposits, are modern equivalents of ancient volcanogenic massive sulfide ore deposits or vms deposits. In the 1960s, a new concept of sulfide ore deposition related to volcanic activity volcanogenic massive sulfide deposits led to widespread exploration activity by numerous companies for this type of deposit in the lake superior region. Volcanogenic massive sulfide occurrence model edited by w. Volcanogenic massive sulfide deposits, also known as volcanichosted massive sulfide, volcanicassociated massive sulfide, or seafloor massive sulfide deposits, are important sources of copper, zinc, lead, gold, and silver cu, zn, pb, au, and ag. Volcanogenic massive sulfide deposits in the east pontic metallotect, ne turkey nevzat ozgur abstract.
Box plots of deposit tonnages by volcanogenic massive sulfide deposit subtypes. Mafic volcanic rocks felsic volcanic rocks siliciclastic rocks sedimentary rocks the host of deposits is composed of large amount of mafic volcanic rocks with minor mafic volcanic and little siliciclastic sedimentary rocks such as shale. The boundary volcanogenic massive sulfide vms deposit 0. Vms deposits can be subdivided into different types, and iranian vms deposits represent all of the recognized types. Volcanichosted massive sulphide deposits vms volcanichosted or volcanogenic base and preciousmetal mineralization is typically hosted by, or associated with, submarine volcanic andor volcaniclastic rocks. Dec 20, 2014 volcanogenic massive sulfide vms deposits are mineral accumulations that form on or near the seafloor at sites of hightemperature hydrothermal vent fluid discharge. H 1999 volcanogenic gold in the massive sulfide environment. Introduction textural and paragenetic studies of massive sulfide deposits have generally been conducted on ancient, landbased deposits in which. Seafloor massive sulfide sms deposits form in a suite of hydrothermal settings across a range of depths. The pb isotope linear array for volcanogenic massive sulfide deposits of the abitibi and wawa subprovinces. Volcanogenic massive sulfide deposit listed as vmsd. A simplified economic filter for underground mining of. Volcanogenic massive sulfide ore deposit wikipedia. If you have any questions, or need the bot to ignore the links, or the page altogether, please visit this simple faq for additional information.
The east pontic metallotect represents a jurassic to miocene island arc system, hosting a great number of stratabound base metal deposits i. Early proterozoic volcanogenic massive sulfide deposits in. It is hosted in meta andesites of the sanandajsirjan metamorphic zone ssz. Economic geology monograph 11 massive sulfide deposits of the bathurst mining camp, new brunswick, and northern maine wayne d. For best results viewing and printing pdf documents, it is. Although volcanogenic rocks are generally the host, unrelated sedimentary marine rocks may be present. Sulfide and hydrothermal plumes also occur on ultraslow spreading ridges in the northern atlantic at gakkel ridge baker et al. Cassiterite and minor snbearing andradite, epidote, rutile, and phlogopite occur within the massive sulfide ores. Sulfides other than pyrite primarily chalcopyrite and sphalerite constitute less than 25% of the massive sulfide ore. Volcanogenic massive sulfide deposits researchgate.
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