The geology of the nkanamindola sedimenthosted copper. The dominant ore minerals are uraninite, coffinite, u ti oxides, molybde. Sb is focussed on taking advantage of exceptional opportunities to acquire overlooked, high potential gold and copper projects in premium north american mineral districts. Volcanogenic massive sulfide ore deposits or vms are a type of metal sulfide ore deposit. Stratabound ore deposits in the andes springerlink. Origins of stratiform and stratabound fecuzn horizons in. Sandstone uranium disseminations of the ore minerals in clastic sedimentary 8. As a leading global manufacturer of crushing, grinding and mining equipments, we offer advanced, reasonable solutions for any sizereduction requirements including, stratiform and stratabound deposits wiki, quarry, aggregate, and different kinds of.
Stratabound reports near surface drill results of 5. The stratabound zn deposit was probably formed by converting znrich brines. Lamond was also the president and ceo of jerritt canyon gold and chairman of. This report is a compilation of\ud information on stratabound mineralisation\ud in the caledonian terrain of\ud scotland. We thank mark baker, john chesley, christopher eastoe and kenneth. For skarn deposits, deposit scale controls include. Zientek with a section on databases and spatialdata files for the geology and mineral deposits of the revett formation. All economic mineralisation is currently confined to a narrow, argillaceous interval, known colloquially as the ore shale. The company has acquired the option rights to the golden culvert project, yukon located approximately 20 kilometres northeast of golden.
Geological map of the taoyuan stratabound massive sulfide deposit. Qualitative assessment of sedimenthosted stratabound copper permissive tracts by michael l. Minor and trace elements in the polymetallic stratabound ore. Sorry, we are unable to provide the full text but you may find it at the following locations. A clumped and stable isotope study on the sediment hosted. Goldschmidt2017 abstract a clumped and stable isotope study on the sedimenthosted stratabound copper deposits of malachite pan, namibia t. During this seminar it became clear that the amount and quality of research done on stratabound ore deposits in the andes required a synthesis.
Its orebodies are hosted in the carboniferous yiliu formation volcanicsedimentary cycle and occur as stratiform, stratoid and lenticular. Stratabound siliciclastichosted cucoag u pge stratabound sedimenthosted cu, continental red bed and kupferschiefertypes stratabound clastichosted u pbcu sydney basin minor. An alternative approach to the modelling of deformed. Cocuau deposits in metasedimentary rocks usgs publications. During this seminar it became clear that the amount and quality of. Orebody modelling and reserve estimation are now subject to sophisticated procedures, but folded strati form and stratabound deposits present particular. Multisourced metals enriched by magmatichydrothermal. The length of pyrite ore bodies ranges from 150 m to 200 m. Major and trace element geochemistry of pyrite and.
Stratabound ore deposits are any type of orebodies, concordant or. Stratabound coppersilver deposits of the mesoproterozoic. Other articles where stratiform deposit is discussed. Pb isotope geochemistry of stratabound znpbagaubaf. Pdf stratabound ore deposits in the andes researchgate. Volcanogenic massive sulfide ore deposit revolvy, expand your. At rock lake the coppersilver minerals are found in a zonally. Nome complex provides key information for understanding deposit genesis and crustal evolution. Sedimenthosted stratabound copper deposit model chapter m of mineral deposit models for resource assessment by timothy s. Sedimenthosted stratabound copper red bed deposit in nova scotia, canada. Stratiform deposits article about stratiform deposits by. The taoyuan deposit has two pyrite ore bodies with area of about 0. Copper deposits of the western upper peninsula of michigan 85.
Mineral depositsore bodies are commonly classified according. Find, read and cite all the research you need on researchgate. The decision was made to emphasize those geologic environments in which nontraditional deposits might be found. Said of a mineral deposit confined to a single stratigraphic unit. Geochemical investigations of stratabound gunga barite. Stratiform and stratabound znpbag deposits in proterozoic sedimentary basins. Stratiform deposits mineral deposits concentrated within one or more strata of volcanosedimentary and sedimentary bedded rock formations. Whether or not the stratabound ore belong to the volcanogenic massive sulfide vms deposit. Stratabound deposits occur in specific carbonate rock layers with lots of porosity and permeability as intercrystalline pores, fractures, breccias and open cavities. Highest grade intervals occur on the ne limb of the nw plunging nkana syncline, and constitute a stratabound. These deposits predominantly consist of massive ores of chalcopyrite. Stratabound ore deposit is said of a mineral deposit confined to a single.
Pdf qualitative assessment of selected areas of the. A detailed study of the pb isotope geochemistry of znpbagaubaf stratabound sulfide deposits within metasedimentary rocks of the neoproterozoic to mississippian. The expansive distribution of intrusionrelated stratabound deposits in the middlelower yangtze river metallogenic belt, china, offers an excellent opportunity to examine the sources of these metals. These common features demonstrate that the stratiform znpbag ores formed approximately contemporaneously uith sedimentation andor diagenesis. Hua, renmin, 1990, the sedimentationreworking genesis of dongchuantype stratiform copper deposits.
Canfield creek, sedimenthosted stratabound copper deposit. The gunga like other barite and sulfide deposits of khuzdar. Geological and geochemical characteristics of the huangshilao. Stratabound ore deposits in the andes lluis fontbote. An alternative approach to the modelling of deformed stratiform and stratabound deposits e. The rock lake coppersilver deposit is a zoned, stratiform, redbed type deposit, occurring within the revett formation of the proterozoic belt supergroup. Remember, it can take several payroll cycles for changes to take effect. The nkanamindola nkm cuco deposit is located iu the southeast portion of the z. The present volume stratabound ore deposits in the andes has its roots in an international seminar on stratabound ore deposits which took place in september 1986 in cusco, peru, sponsored by multi ciencias peru and unesco. A final class of hydrothermal deposit is called stratiform because the ore minerals are always confined within specific strata and are distributed in a manner that resembles particles in a sedimentary rock.
Centre for ore deposit research, university of tusnuznia, privcte bag 79, hobart. A for allowing us to make this study and its geojogical contribution. Deposit geology, sample location and details at the xinqiao deposit, the stratabound ore body fig. Handbook of stratabound and stratiform ore deposits.
Any failure to comply with this restriction may constitute a violation of u. This data has allowed us to build a spatial and temporal relationship between iron mineralization and a major shearzone, based on. Introduction ore deposits are crustal concentrations of useful elements that can be exploited at a pro. Stratiform and stratabound znpbag deposits in proterozoic. The laochang agpbzncu deposit, located in the southern margin of the sanjiang tethys metallogenic belt stmb, is the typical agpbzncu deposit in this region. Geological survey, spokane, washington, united states. Deposit geometry includes stratabound and stratiform layers, lenses, and veins.
The most characteristic examples are deposits of lead and zinc ores in strata of carbonate rocks the missouri valley deposits in the usa and similar deposits in the ussr, canada, poland, austria, north africa, and. The stratabound deposit of the santa formation shows a large variation of ga. Get a full overview of handbook of stratabound and stratiform ore deposits book series. Sedimenthosted copper deposits epigenetic disseminated cu deposits hosted in reduced. Acknowledgements we thank geologists and assistants of department ofgeology ofminera michilla s. Compilation of stratabound mineralisation in the scottish. Stratabound saddened to announce passing of director. Steven3 1 institute of earth surface dynamics, university of lausanne, 1015 lausanne, switzerland correspondence.
Structurally the deposit occurs in the west limb of an overturned syncline and is bounded to the west by the rock lake normal fault and to the east by the libby lakes thrust. Komatiiteassociated nickel deposits layered maficultramafic intrusion deposits skarn deposits fractionated granitoidassociated deposits porphyryassociated deposits iron oxide copper gold deposits syndeformational hydrothermal and replacement deposits orogenic gold deposits carbonatehosted stratabound leadzinc deposits. The present volume stratabound ore deposits in the andes has its roots in an international. In addition, there are two gossan type gold ore bodies.
The term can refer to a stratiform deposit, to variously oriented orebodies contained within the unit, or to a deposit containing veinlets and alteration zones that may or may not be strictly conformable with bedding. However, as far as the ore genesis of the dongguashan copper gold deposit is concerned, questions remain, as this deposit has been proposed to be a stratabound skarntype 15,23,25,27 29, exhalative sedimentary and hydrothermal superimpositiontype 21,22,30 36, and exhalative sedimentarytype deposit 19,37 39. An example in cretaceous stratabound mantotype copper deposits of central chile. The dongguashan cu deposit is a typical example of such genetic controversy. Lasbela belt are mississippi valley type, stratabound and of replacement origin precipitated from connate brines expelled during the incipient rifting of india from gondwana land in the late jurassic and early cretaceous periods. Proterozoic unconformity and stratabound uranium deposits if you would like to learn more about the iaeas work, sign up for our weekly updates containing our most important news, multimedia and more. These deposits were mined from 1845 to 1996 with potential revival of mining in the region as a result of exploration and development activi.
All major stratiform zincdominant deposits occur within rocks of the sag. Geochemistry of pyrite from stratabound massive sulfide. Stratiform and stratabound znpbag deposits in australia. Ag production respectively soler 1986, but stratabound deposits have.
Geological survey stratabound coppersilver deposits of the mesoproterozoic revett formation, montana and idaho by david e. Proterozoic unconformity and stratabound uranium deposits. Mcqueen crc leme, australian national university, canberra, act 0200 and school of rehs, university of canberra, act 2601. The exact timing of min erahation relative to these processes varies from deposit to deposit.
Origins of stratiform and stratabound fecuzn horizons in the lower proterozoic moran lake group, labrador central mineral belt. Sedimenthosted stratabound copper deposit model usgs. Among the first works emphasizing the role of stratabound ore deposits in the andes are those by amstutz 1959, 1961, entwistle and gouin 1955, kobe 1960, ljunggren and meyer 1964, and ruiz. Pdf the present volume stratabound ore deposits in the andes has its roots. The huangshilao stratabound gold deposit is located in the tongling ore district in the. We also recognized that a large research effort has been devoted and will continue to be devoted to the understanding of these traditional deposits. Iaea 20 classification of uranium deposits the 20 iaea classification is a combination between the iaea classification used in the red book since 1991 and the dahlkamp 1993, 2009 classifications. Because stratiform deposits so closely resemble sedimentary rocks, controversy surrounds their. Hydrocarbon involvement in the genesis of ore deposits. A list to some major types of ore deposits and a link book download. Klemm and others published timeand stratabound ore deposits find, read and cite all the research you need on. Copper deposits of the western upper peninsula of michigan. The origin of the rock lake stratabound coppersilver.
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