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Characterization of Gold Ore from Newmont Mining Corporation's Twin Creek Mine, Nevada Abstract The design of a procedure to extract mineral values from an ore requires information about the ore. In this regard, a gold ore sample from Newmont’s TCSLC Stockpile at Twin Creek Mine in Nevada was characterized. Initially, screen analyses of the ore as-received were performed. The bond work index and carbon/sulfur contents were determined experimentally. Samples were analyzed by X-ray Diffraction (XRD) and acid-digestion/Inductive Coupled Plasma (ICP) spectrometry for overall chemical and mineralogical content. Fire assay was performed to determine the gold and silver content of the ore. Scanning Electron Microscopy-Mineralogical Liberation Analysis (SEM/MLA) was performed to gather additional information on the mineralogical content as well as the segregation and distribution of the contained mineral values. The results of the ore characterization were then used to help select comminution and leaching procedures. This allowed for subsequent leaching tests with cyanide, thiosulfate and thiocyanate to be conducted by other undergraduate research investigators. Acknowledgements Biography
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