Search Results - "Foley, Nora K."

Ion-adsorption REEs in regolith of the Liberty Hill pluton, South Carolina, USA: An effect of hydrothermal alteration by Bern, Carleton R., Yesavage, Tiffany, Foley, Nora K.

“…Ion-adsorbed rare earth element (REE) deposits supply the majority of world heavy REE production and substantial light REE production, but relatively little is…”
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The role of ridge subduction in determining the geochemistry and Nd–Sr–Pb isotopic evolution of the Kodiak batholith in southern Alaska by Ayuso, Robert A., Haeussler, Peter J., Bradley, Dwight C., Farris, David W., Foley, Nora K., Wandless, Gregory A.

“…The Paleocene Kodiak batholith, part of the Sanak–Baranof belt of Tertiary near-trench intrusive rocks, forms an elongate body (~ 150 km long) that transects…”
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Lead isotope evidence for metal dispersal at the Callahan Cu–Zn–Pb mine: Goose Pond tidal estuary, Maine, USA by Ayuso, Robert A., Foley, Nora K., Seal, Robert R., Bove, Marianna, Civitillo, Diego, Cosenza, Antonio, Grezzi, Giuseppe

“…The abandoned massive sulfide Callahan mine, coastal Maine, is unique because the open pit operation was sited in a drained marine estuary. About 5million tons…”
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Comparative anatomy of volcanic-hosted epithermal deposits; acid-sulfate and adularia-sericite types by Heald, Pamela, Foley, Nora K, Hayba, Daniel O

“…Two types of epithermal precious and base metal deposits hosted primarily by Tertiary volcanic rocks have been distinguished through a detailed examination of…”
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Peralkaline- and calc-alkaline-hosted volcanogenic massive sulfide deposits of the Bonnifield District, east-central Alaska by Dusel-Bacon, Cynthia, Foley, Nora K, Slack, John F, Koenig, Alan E, Oscarson, Robert L

“…Volcanogenic massive sulfide (VMS) Zn-Pb-Cu-Ag-Au deposits of the Bonnifield mining district formed during Late Devonian-Early Mississippian magmatism along…”
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Metallogeny and exploration strategy for volcanic rocks hosting world class Be-U-F mineralization at Spor Mountain, Utah, U.S.A by Ayuso, Robert A., Foley, Nora K.

“…We report new geochemical data (major-elements, trace-elements, and Nd-Pb isotopes) for the Spor Mountain Formation (SMF), a volcanic sequence that hosts the…”
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Surface topography, mineralogy, and Pb isotope survey of wheel weights and solder: Source of metal contaminants of roadways and water systems by Ayuso, Robert A., Foley, Nora K.

“…Wheel weights and solders are among the most important anthropogenic lead sources in modern society. Characterization of size, shape, and stages of degradation…”
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Pb-Sr isotopic and geochemical constraints on sources and processes of lead contamination in well waters and soil from former fruit orchards, Pennsylvania, USA: A legacy of anthropogenic activities by Ayuso, Robert A., Foley, Nora K.

“…Isotopic discrimination can be an effective tool in establishing a direct link between sources of Pb contamination and the presence of anomalously high…”
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Sulfur and lead isotope geochemistry of hypogene mineralization at the Barite Hill Gold Deposit, Carolina Slate Belt, southeastern United States: a window into and through regional metamorphism by Seal, Robert R, Ayuso, Robert A, Foley, Nora K, Clark, Sandra HB

“…The Barite Hill gold deposit, at the southwestern end of the Carolina slate belt in the southeastern United States, is one of four gold deposits in the region…”
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SHRIMP U-Pb zircon geochronology of volcanic rocks hosting world class Be-U mineralization at Spor mountain, Utah, U.S.A by Ayuso, R.A., Foley, N.K., Vazquez, J.A., Jackson, J.C.

“…We report for the first time UPb data establishing the age of the Spor Mountain Formation, a volcanic sequence that hosts the largest deposit of beryllium in…”
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Rare earth element mobility in high-alumina altered metavolcanic deposits, South Carolina, USA by Foley, Nora K., Ayuso, Robert A.

“…Mineralogical and geochemical studies of Neoproterozoic metavolcanic rocks in the Carolina terrane, USA, document processes leading to remobilization of rare…”
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Rare Earth Elements: The role of geology, exploration, and analytical geochemistry in ensuring diverse sources of supply and a globally sustainable resource by Foley, Nora K., De Vivo, Benedetto, Salminen, Reijo

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Lead isotope compositions as guides to early gold mineralizations; the North Amethyst vein system, Creede District, Colorado by Foley, Nora K, Ayuso, Robert A

“…The North Amethyst vein system, which is hosted by ∼27 Ma Carpenter Ridge Tuff and ∼26 Ma Nelson Mountain Tuff, has two mineral associations separated by…”
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Preliminary radiogenic isotope study on the origin of the Khanneshin carbonatite complex, Helmand Province, Afghanistan by Ayuso, Robert, Tucker, Robert, Peters, Steven, Foley, Nora, Jackson, John, Robinson, Sayon, Bove, Marianna

“…The REE-mineralized Khanneshin carbonatite complex in southern Afghanistan is an economically light rare earth element (LREE)-enriched carbonatite complex of…”
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Source of lead and mineralizing brines for rossie-type Pb-Zn veins in the Frontenac Axis area, New York by Ayuso, R. A, Foley, Nora K, Brown, C. E

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Isotopic composition of lead in the Austinville-Ivanhoe Pb-Zn district, Virginia by Foley, Nora K, Sinha, A. Krishna, Craig, James R

“…Lead isotopic studies from the Austinville-Ivanhoe district of southwest Virginia demonstrate that galenas of different generation have distinct lead isotopic…”
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A reinterpretation of the δD H2O of inclusion fluids in contemporaneous quartz and sphalerite, Creede mining district, Colorado; a generic problem for shallow orebodies? by Foley, Nora K, Bethke, Philip M, Rye, Robert O

“…Water extracted from fluid inclusions in quartz from shallow epithermal ore deposits often has a hydrogen isotope composition (δD) different from that of water…”
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A reinterpretation of the delta D H 2 O of inclusion fluids in contemporaneous quartz and sphalerite, Creede mining district, Colorado; a generic problem for shallow orebodies? by Foley, Nora K., Bethke, Philip M., Rye, Robert O.

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