MTW European Type Trapezium Mill
Input size:30-50mm
Capacity: 3-50t/h
LM Vertical Roller Mill
Input size:38-65mm
Capacity: 13-70t/h
Raymond Mill
Input size:20-30mm
Capacity: 0.8-9.5t/h
Sand powder vertical mill
Input size:30-55mm
Capacity: 30-900t/h
LUM series superfine vertical roller grinding mill
Input size:10-20mm
Capacity: 5-18t/h
MW Micro Powder Mill
Input size:≤20mm
Capacity: 0.5-12t/h
LM Vertical Slag Mill
Input size:38-65mm
Capacity: 7-100t/h
LM Vertical Coal Mill
Input size:≤50mm
Capacity: 5-100t/h
TGM Trapezium Mill
Input size:25-40mm
Capacity: 3-36t/h
MB5X Pendulum Roller Grinding Mill
Input size:25-55mm
Capacity: 4-100t/h
Straight-Through Centrifugal Mill
Input size:30-40mm
Capacity: 15-45t/h
Porphyry hydraulic barite ore
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PorphyryCopper Ore Shells Form at Stable
2012年11月15日 Porphyrytype ore deposits are major resources of copper and gold, precipitated from fluids expelled by crustal magma chambers The metals are typically concentrated in confined ore shells within vertically extensive vein 2018年10月1日 The Aktogai giant porphyry Cu deposit has similar oreforming rock and hydrothermal alteration with typical PCDs in the world The oreforming tonalite porphyry has Geology and oreforming fluid evolution of the Aktogai giant porphyry 2021年6月1日 Detailed drill hole logging identified endoskarn and exoskarn in Chating, mainly distributed inside the ore–bearing quartz diorite porphyry instead of at the contact with the The role of porphyryrelated skarns in the Chating porphyry copper and Hydrothermal sediments were investigated to determine the temperature and salinity of the fluids responsible for barite precipitation The hydrothermal origin of the barite was confirmed by itsParameters of mineralizing fluids at porphyry
Biotite compositions and geochemistry of porphyryrelated
2022年3月1日 Biotite composition has been used to determine fO 2, and the compositions of halogens in aqueous fluids have been examined related to the ore deposits, such as PCDs 2023年3月7日 Ore precipitation in porphyry copper systems is generally characterized by metal zoning (Cu–Mo to Zn–Pb–Ag), which is suggested to be variably related to solubility Hydrological controls on base metal precipitation and 2020年7月22日 This work provides insights into the oreforming mechanisms for deposits of this type, and improves the current understanding of intracontinental porphyry deposits; it will Ore genesis and hydrothermal evolution of the Shaxi porphyry 2020年1月6日 Our new data enable us to resolve the genetic links between the porphyry Mo mineralization and the adjacent lowsulfidation epithermal Au–Ag–Pb–Zn mineralization and Porphyry Mo and epithermal Au–Ag–Pb–Zn mineralization
Ages and Sources of Ore‐Related Porphyries at Yongping Cu–Mo
The ore minerals are chalcopyrite, pyrite, galena, sphalerite, molybdenite, scheelite and magnetite The gangue minerals are quartz, fluorite, calcite, garnet, anhydrite and barite The 2021年3月29日 Brambang is one of the porphyry coppergold prospects/deposits situated along eastern Sunda arc This study is aimed to understand geological framework, alteration geochemistry and ore fluid Geology, Rock Geochemistry and Ore Fluid 2002年10月1日 Cu/Au atomic ratios of porphyry copper ore deposits form a continuous range from about 5000 to 5,000,000 with a median near 40,000, which separates goldrich and goldpoor deposits Gold is found in porphyry copper deposits in solid solution in Cu–Fe and Cu sulfides and as small grains of native gold, usually along boundaries of bornite Gold in porphyry copper deposits: its abundance and fate2021年6月1日 Porphyry and associated skarn deposits supply most of the world’s Cu, Au and Mo and generally occur together when the wall rocks include limestone, sandstone, and calcareous volcanic rocks (Sillitoe, 2010, Meinert et al, 2005)Both skarn and porphyry alteration and mineralization can contribute to the metal resource, for example, the Ertsberg–Grasberg The role of porphyryrelated skarns in the Chating porphyry copper and
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Parameters of mineralizing fluids at porphyry deposits
Barite crystals may represent a combination of two formation processes involving hot fluids and pore water in the sediment covered ridge system that interact and mix with sulfaterich seawater [5 The Early to Middle Triassic Erdenet porphyry CuMo deposit, in northern Mongolia, developed in a continent continent arc collision zone, within the Central Asian orogenic beltPorphyry style quartz veins; (a) typical porphyry quartzMo 2020年1月6日 The Zhilingtou polymetallic deposit, South China, provides an excellent opportunity to investigate the magmatichydrothermal evolution of the porphyry Mo to epithermal Au–Ag–Pb–Zn ore spectrum New zircon U–Pb, sphalerite 40Ar/39Ar, and pyrite Rb–Sr ages, together with previous molybdenite Re–Os ages, indicate that the granitic magmatism and Porphyry Mo and epithermal Au–Ag–Pb–Zn mineralization2015年6月1日 The Mykonos barite veins were exploited by the Mykobar Mining Co until 1984, and yielded ~ 2 Mt of ore Previous studies of the Mykonos bariteores have focused mainly on the geology (ie, lithostratigraphy, Vogeadis, 1961), tectonic framework (ie, the syntectonic and extensional setting of the mineralization, Menant et al, 2013), and ore Origin of a baritesulfide ore deposit in the Mykonos
Hydrothermal Evolution of the El Teniente Deposit, Chile: Porphyry Cu
2007年9月1日 The magmatichydrothermal evolution of the El Teniente porphyry CuMo deposit in the Central Andes in Chile is reconstructed based on field relationships, scanning electron microscopy 2018年10月1日 Porphyry Cu deposit (PCD) is the most important source of copper (Cooke, 2005, Sillitoe, 2010)High oxygen fugacity of magma is a precondition for the formation of large to giant PCDs (Audétat et al, 2004, Cooke et al, 2014, Shen et al, 2015a), because it can transport considerable metal and sulfur from deeper mantle to shallow placeThe oreforming fluid and Geology and oreforming fluid evolution of the Aktogai giant porphyry 2022年11月9日 Rabiee, A et al Multiphase magma intrusion, oreenhancement and hydrothermal carbonatisation in the SiahKamar porphyry Mo deposit, UrumiehDokhtar magmatic zone NW Iran Ore Geol Rev 110 Hypogene enrichment in Miduk porphyry copper ore 1997年10月1日 The barite mineralisation in the north Eastern Desert of Egypt is hosted by PanAfrican dacite, dacite porphyry and granite The host rocks are variably altered by potassic, phyllic, phyllicargillic, propylitic and advanced argillic alterationBarite mineralisation in the south Um Monqul area
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Multistage hydrothermal quartz veins record the ore
2021年4月1日 All ore veins in the Meiling deposit are confined to volcanic and subvolcanic rocks The ore minerals in the Meiling deposit are mainly chalcopyrite and sphalerite, with subordinate covellite and chalcocite, and the gangue minerals are mainly quartz, pyrite, chlorite, barite, calcite, etc1997年11月30日 A review of the main brecciation processes occurring in hydrothermal veintype deposits allows for the discrimination between chemical and physical mechanisms, including tectonic comminution, wear (PDF) Hydrothermal breccias in veintype ore deposits: A 2020年1月14日 a Cu (Mt) vs Au (tons) of porphyry Cu–Au deposits; b ore duration (Ma) vs Au (tons) of porphyry Cu–Au deposits All deposits are roughly distributed along either one or the other of the two Gold endowments of porphyry deposits controlled by2023年8月3日 (a) Conventional Andersonian faulting scenario with the Mohr circle (blue) with radius being the differential stress (13); this shows the maximum and minimum stresses shifted to the left by fluid (PDF) Formation of Cu–Au porphyry deposits: hydraulic
The role of incremental magma chamber growth on ore
2020年9月23日 Porphyry copper deposits are formed by fluids released from felsic magmatic intrusions of batholithic dimensions, which are inferred to have been incrementally built up by a series of sill injections2023年2月16日 Abstract The results are discussed of a predictive appraisal of porphyry gold–copper mineralization within the Ryabinovoe orefield that is based on a comprehensive approach to studying petrographic and geochemical characteristics of hydrothermally altered rocks The mapping of the fields of weakly manifested hydrothermal–metasomatic Geochemistry and Petrography of Hydrothermally Altered 2013年10月13日 Porphyry ore deposits supply much of the copper, molybdenum, gold and silver used by humans A review of the main processes that trigger porphyry ore formation suggests that sulphide saturation of Triggers for the formation of porphyry ore deposits in2020年12月1日 In the Zefreh porphyry prospect, pyrites are characteristically enriched in 34 S, regardless of the associated alteration assemblage Pyrites in orebearing, (A 2 and Btype) quartz veins of the KSZ and inner propylitic alteration zones (n = 7) are similar in sulfur isotopic composition to pyrites in orefree, Ltype veins (n = 5; Table 4)Origin of the oreforming fluids of the Zefreh porphyry
Hydrothermal breccias in veintype ore deposits: A review of
1997年12月1日 Examples will be chosen from three ore deposit types that have been studied in detail both in the field and laboratory: precious metal epithermal (Kamilli and Ohmoto, 1977; Berger and Bethke, 1985), precious metal mesothermal (Colvine et al, 1988), and low temperature fluorite–barite veintype deposits (Jébrak, 1984a, Jébrak, 1984b; Von 2022年11月1日 The Far Southeast porphyry deposit was discovered in 1980 (Concepcion and Cinco, 1989), subjacent to a lithocap (Sillitoe, 1995) of residual quartz with a quartzalunite alteration halo that hosts the Lepanto enargitegold deposit (Fig 1B; Gonzalez, 1959; Claveria, 2001)Mining of the Lepanto deposit between 1938 and 1996 produced 363 million tonnes HighGrade Copper and Gold Deposited During2010年8月1日 The formation of giant porphyry Mo deposits has been widely linked to Morich magma sources, whereas a porphyry Mo metallogenic belt is often thought to form where there is a previously Mo The magma and metal source of giant porphyrytype ore2024年4月17日 According to Chitalin et al, the ore mineralization of porphyry and epithermal ore systems of the Baimka ore zone was formed in the Early Cretaceous within the NWtrending deepseated rightlateral strikeslip It is assumed that NStrending extension structures and diagonal fractures in the strikeslip zone controlled the positions and Preface to the Second Part of the Special Issue of the Journal
Formation of Cu–Au porphyry deposits: hydraulic quartz
2023年9月8日 hydraulic fracturing of the stocks, at depths where open spaces could not be maintained and where fluid pressure approaches lithostatic pressure The postcrystallisation timing of the veins is important because it indicates that the host stocks could not have been the direct sources of either metals or oreforming fluids1999年6月17日 Porphyry copper–molybdenum–gold deposits are the most important metal resources formed by hydrothermal processes associated with magmatism It remains controversial, however, whether the metal Gold concentrations of magmatic brines and the metal budget of porphyry 2008年8月26日 Advanced argillic (AA) alteration is developed over a vertical interval of 500 m, above (and enclosing) Late Devonian quartz monzodiorite intrusions that accompany porphyrystyle Cu–Au mineralization at the Hugo Dummett deposit The AA alteration is mainly in basaltic rocks and locally extends into the overlying dacitic ashflow tuff for about 100 m The AA zone Mineralogy, textures, and wholerock geochemistry of2021年6月14日 The Vathi porphyry CuAu±Mo deposit is located in the Kilkis ore district, northern Greece Hydrothermally altered and mineralized samples of latite and quartz monzonite are enriched with Rare and Critical Metals in Pyrite, Chalcopyrite, Magnetite,
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Geology, Rock Geochemistry and Ore Fluid
2021年3月29日 Brambang is one of the porphyry coppergold prospects/deposits situated along eastern Sunda arc This study is aimed to understand geological framework, alteration geochemistry and ore fluid 2002年10月1日 Cu/Au atomic ratios of porphyry copper ore deposits form a continuous range from about 5000 to 5,000,000 with a median near 40,000, which separates goldrich and goldpoor deposits Gold is found in porphyry copper deposits in solid solution in Cu–Fe and Cu sulfides and as small grains of native gold, usually along boundaries of bornite Gold in porphyry copper deposits: its abundance and fate2021年6月1日 Porphyry and associated skarn deposits supply most of the world’s Cu, Au and Mo and generally occur together when the wall rocks include limestone, sandstone, and calcareous volcanic rocks (Sillitoe, 2010, Meinert et al, 2005)Both skarn and porphyry alteration and mineralization can contribute to the metal resource, for example, the Ertsberg–Grasberg The role of porphyryrelated skarns in the Chating porphyry copper and Barite crystals may represent a combination of two formation processes involving hot fluids and pore water in the sediment covered ridge system that interact and mix with sulfaterich seawater [5 Parameters of mineralizing fluids at porphyry deposits
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Porphyry style quartz veins; (a) typical porphyry quartzMo
The Early to Middle Triassic Erdenet porphyry CuMo deposit, in northern Mongolia, developed in a continent continent arc collision zone, within the Central Asian orogenic belt2020年1月6日 The Zhilingtou polymetallic deposit, South China, provides an excellent opportunity to investigate the magmatichydrothermal evolution of the porphyry Mo to epithermal Au–Ag–Pb–Zn ore spectrum New zircon U–Pb, sphalerite 40Ar/39Ar, and pyrite Rb–Sr ages, together with previous molybdenite Re–Os ages, indicate that the granitic magmatism and Porphyry Mo and epithermal Au–Ag–Pb–Zn mineralization2015年6月1日 The Mykonos barite veins were exploited by the Mykobar Mining Co until 1984, and yielded ~ 2 Mt of ore Previous studies of the Mykonos bariteores have focused mainly on the geology (ie, lithostratigraphy, Vogeadis, 1961), tectonic framework (ie, the syntectonic and extensional setting of the mineralization, Menant et al, 2013), and ore Origin of a baritesulfide ore deposit in the Mykonos 2007年9月1日 The magmatichydrothermal evolution of the El Teniente porphyry CuMo deposit in the Central Andes in Chile is reconstructed based on field relationships, scanning electron microscopy Hydrothermal Evolution of the El Teniente Deposit, Chile: Porphyry Cu