Au-Cu
The Exploration Significance of Ag/Au, Au/Cu, Cu/Mo, (Ag×Au)/(Cu×Mo) Ratios, Supra-ore and Sub-ore Halos and Fluid Inclusions in Porphyry Deposits: A Review
... Ag/Au, Au/Cu, Cu/Mo and (Ag×Au)/Cu×Mo) ratios of the supra-ore and sub-ore halos versus fluid inclusion evolution for 24 Cu, 6 Cu- Mo and 10 Cu-Au ...
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Geology and genesis of the Ridgeway porphyry Au Cu deposit, NSW
... The Ridgeway alkalic porphyry Au–Cu deposit is located in the Molong Volcanic Belt of the Macquarie Arc, part of the Lachlan Fold Belt in eastern Australia. Ridgeway is hosted by a Middle Ordovician ...
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Electrodeposition Synthesis of Au-Cu Heterojunction Nanowires and Their Optical Properties
... the Au-Cu heterojunction nanowires synthesized in AAO template of different diameters are shown in ...of Au and Cu, it is found that the intensity of peak (111) is the highest in the prepared ...
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Geology and genesis of the Ridgeway porphyry Au Cu deposit, NSW
... porphyry Au–Cu deposit exhibit distinct geochemistry that has been inherited from the injection of a primitive mafic ...porphyry Au–Cu ...
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Magma fertility related to Au - Cu mineralisation: evaluating the potential for linked porphyry Cu - Au deposits at depths, North Queensland, Australia
... epithermal Au-Cu deposit which formed at ~280 Ma, during active back-arc extension, west of today’s New England ...porphyry Cu-Au hosting suites from barren intrusions, on a known locally ...
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Preparation and Characterization of Nano Size NiOOH by Direct Electrochemical Oxidation of Nickel Plate
... CPX 200 DUAL 35V 10A PSU power supply completed with connecting wire was used as a power supply. All experiments were carried out at room temperature. The electrosynthesis was performed using a two electrodes system, Ni ...
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Synthesis and Characterization of ZnO Flower-Like Multisheets Grown on Metal Buffer Layer
... with Cu and Au-Cu alloy buffer layers via vapor phase transport (VPT) ...for Cu coated silicon was the lowest, which may indicate that the surface of defects being covered with Cu ...
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Alloy Gene Gibbs Energy Partition Function and Equilibrium Holographic Network Phase Diagrams of AuCu Type Sublattice System
... 1. Alloy Gene (AG) Theory of Au-Cu System 1.1. New Thinking Modes of System Sciences ‘A diversity of structures of a system is attributed to combination and arrangement of structure units in the basic ...
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The Paleozoic Mount Carlton deposit, Bowen Basin, Northeast Australia: shallow high-sulfidation epithermal Au-Ag-Cu mineralization formed during rifting
... Carlton deposit, including rotation and segmentation of the stratigraphy and the ore zones. This deformation also has important implications for exploration for linked porphyry mineralization in the area. Assuming a ...
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Structure and reactivity of Cu doped Au(111) surfaces
... the Au-Cu(rich) step for submonolayer deposits, measured as ...clean Cu(111). On the other hand, bulk Cu-Au alloys form solid solutions whose lat- tice parameters positively deviate ...
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Geology, geochemistry and genesis of the Namosi porphyry Cu Au deposits, Fiji
... porphyry Cu systems tend to occur in clusters (broadly equidimension- al groups of deposits) or as alignments (linear deposit arrays that are either oriented parallel or transverse to their associated magmatic ...
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Electrochemical Characterization of a Commercial Au-Ag-Cu Alloy in an Acidic Medium
... electrochemical cell, the working electrode was a pure metal or alloy (Au, Ag, Cu, Au58.5-Ag41.5, Au58.5-Cu41.5, Au58.5-Ag20.75-Cu20.75), which potential was controlled against saturated calomel reference ...
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The Possibility of New Ordering Reaction in Cu 50 mass% Au Alloy
... Cu-50 mass% Au alloy homogenised 1 h at 500 C and water quenched then heated up to 100 C. On this diffraction pattern the strong spots ((000), ( 2220), (22 20), (002), (002 2), (11 11), (1111), (11 11 1), ( ...
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ϕ Meson Production at Forward Rapidity with the PHENIX Detector at RHIC
... + Au and Cu + Au collisions to study cold and hot nuclear matter e ff ...+ Au collisions, we observed an enhancement (suppression) of the φ meson at backward (forward) rapidity region in most ...
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Interfacial reaction between SAC305 and SAC405 lead free solders and electroless nickel/immersion silver (ENImAg) surface finish
... Immersion silver (ImAg) (Figure 2.20) has emerged as an alternative to HASL and ENIG because of its good solderability and aluminium wire bonding performance (Arra et al., 2004). It also has excellent silver ...
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Observation of shell effects in nanowires for the noble metals Cu, Ag, and Au
... length is about six times larger than the main Fermi wave- length, for gold and copper. Filling of the states in the neck will have a period six times larger than the one resulting from the states in the belly. The ...
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Effect of Isothermal Aging on Ball Shear Strength in BGA Joints with Sn 3 5Ag 0 75Cu Solder
... the Cu pad, the failure mode gradually changes from ductile fracture in solder to brittle fracture (i) at the interface between solder and intermetallic compound, (ii) within the intermetallic compound and (iii) ...
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Geology, geochemistry and geometallurgy of the Productora Cu Au Mo deposit, Chile
... Porphyry Cu belt owing to its supergene enrichment blanket and anomalously high gold ...% Cu) and characterised by chalcopyrite, pyrite, specular hematite, molybdenum and trace gold, occurring to depths of ...
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Thermomodulation Spectra of Al, Au, and Cu
... Al, Au, and Cu at about 370 and 120 K in the range ...for Cu with the piezo-modulation spectrum of a single crystal shows that broadening of the Fermi distribution and volume strain caused by thermal ...
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Formation time of hadronic resonances
... In Cu + Cu reactions at RHIC the heavy meson dissociation mechanism provides a good description of the non- photonic lepton suppression at mid [16] and forward rapidities ...
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