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current date:
last update:
March 3 2003
| Regional studies and metallogenesis |
Association between rock type and style of mineralization for alkaline rocks of northeastern Mexico [Julie Hamblock]
Granite petrogenesis and lithophile element mineralization in the Great Basin [Mark Barton]
Granitoid database for the northern circum-Pacific [Chao Li]
Magmatic and basin-related mineral deposits of Mexico [David Johnson]
Metallogenic synthesis of Mexico and adjoining regions [Mark Barton]
Reconstruction of the geology of northeastern Nevada and vicinity at 40 Ma as a tool for assessing the origin of Carlin-type gold deposits [Eric Seedorff]
Regional geologic framework and origin of Carlin-type gold deposits [Mark Barton]
Regional reconstruction of the Laramide arc after restoration of Tertiary extension [Eric Seedorff]
| Geochemistry/Petrology/Mineralogy |
Arc-related magmatism and mineralization (focused on the relationship between magmatic and fluid fluxes and resulting mineralization; eg. Life Cycle Porphyry Cu project USGS, Jurassic and Laramide magmatism and mineralization in western US and Mexico USGS, and other work in the Pacific Rim) [David Johnson]
Boron isotopes of tourmaline from metasomatic Fe-oxide deposits [Frank Mazdab]
Distribution of minor and trace elements in iron sulfides associated with magmatic and hydrothermal systems [Frank Mazdab]
Origin and redistribution of metals in sedimentary rocks [Carlotta Chernoff]
REE abundance, mineralogy, and possible REE production as a by-product in existing operations in conjunction with others at the USGS [David Johnson]
Relationship of minor-transition metal enrichments to chlorine bearing silicates associated with metasomatic iron-oxide occurrences and related deposit types [Frank Mazdab]
| Deposit modeling and classification |
Development of a mineralogically-based geochemical classification of alteration types [Eric Seedorff]
Mineral deposit modeling (particularly IOCG and related deposit types) [David Johnson]
| Porphyry deposits |
A new look at middle Tertiary dismemberment and rotation of Laramide porphyry systems in southern Arizona [David Maher]
Henderson porphyry molybdenum deposit, Colorado [Eric Seedorff]
Porphyry Cu Lifecycles in southwestern North America and its broader crustal context (CMR project, joint with USGS) [joint project]
Regional Controls and Magmatic Evolution of Laramide Porphyry Copper Systems In Western Mexico [Lukas Zurcher]
Robinson porphyry Cu-(Mo-Au) deposit, Nevada [Eric Seedorff]
| FeOxide-Cu-Au deposits |
Characteristics and origin of Fe-oxide(REE-Cu-Au) mineralization [Mark Barton]
Origin and mass-balance relationships in igneous-related, Fe-oxide-rich hydrothermal systems (global approach with field work concentrated in the western US, Latin America, and the Andes) [David Johnson]
