Auteur Jeffrey L. Mauk
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Documents disponibles écrits par cet auteur (4)
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Patrick Nadoll, Auteur ; Jeffrey L. Mauk, Auteur ; Timothy S. Hayes, Auteur |Magnetite (Fe3O4) is a common and widespread accessory mineral in many host rocks and mineral deposits. We used electron microprobe analysis (EMPA), laser ablation-inductively coupled plasma-mass spectrometry (LA-ICP-MS) analysis, and oxygen iso[...]![]()
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Mark P. Simpson, Auteur ; Jeffrey L. Mauk, Auteur |The Waitekauri area of the Hauraki goldfield, New Zealand, contains several adularia-sericite epithermal Au-Ag deposits and prospects. From west to east, the area contains the Sovereign, Jubilee, Scimitar, Scotia, Teutonic, and Jasper Creek depo[...]![]()
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Jeffrey L. Mauk, Auteur ; Chris M. Hall, Auteur ; John T. Chesley, Auteur |The Hauraki goldfield in the Coromandel volcanic zone contains approximately 50 adularia-sericite epithermal Au-Ag deposits in a 200-km-long by 40-km-wide north-south-trending belt. These deposits have produced approximately 320,000 kg Au and 1.[...]![]()
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Mathijs A. Booden, Auteur ; Jeffrey L. Mauk, Auteur ; Mark P. Simpson, Auteur |Major element geochemical exploration for epithermal deposits can extend the range of traditional pathfinder elements to a 1- to 10-km scale, and with knowledge of protolith composition, mass changes associated with hydrothermal alteration can b[...]


