WebMar 10, 2024 · For gold, samples are first analysed by fire assay and atomic absorption spectroscopy (“AAS”). Samples that return values greater than 10 g/t gold using this technique are then re-analysed by ... WebSee the latest wildfire information for the Porphyry Fire near . This is a large wildfire that has burned 2,930 acres since August 12, 2024. More information is available on the Fire, …
Discovery about how porphyry-type copper deposits form could be …
WebSee the latest wildfire information for the 2024 Porphyry Peak Fire near . This fire burned an unknown number of acres since July 29, 2024 and is considered out. More information is … WebOct 17, 2024 · More information: Lawrence C. Carter et al, A rapid change in magma plumbing taps porphyry copper deposit-forming magmas, Scientific Reports (2024). DOI: … trustor is who
Drilling confirms new Porphyry discovery at Matilda
WebApr 15, 2024 · The magmatic process within upper crust encompasses various contents such as the transition between magmatic and hydrothermal systems and changes in oxygen fugacity (ƒO2), which ultimately play key roles in the formation of porphyry Cu deposits (PCDs). However, tracing these magmatic processes, especially in porphyry systems, is … WebMar 1, 2024 · Plagioclase compositions in the porphyry intrusions are consistent with magmatic H 2 O contents of ~7 wt %. Copper sulfides in the high-grade phyllic alteration zones at Tuwu are characterized by elevated δ 65 Cu values consistent with deposits from oxidized and hydrous magmatic-hydrothermal fluids, whereas lower δ 65 Cu values and … WebApr 22, 2024 · Porphyry deposits represent significant resources of copper, gold, and molybdenum, and are viewed as critical exploration targets for low-grade, high-tonnage mining operations. Advanced exploration tools including remote sensing and geophysical techniques for exploring under cover provide key information for prospect targeting and … philips amf870/35