Search Results - "Dorais, M. J."

Limited latitudinal mantle plume motion for the Louisville hotspot by Koppers, Anthony A. P., Yamazaki, Toshitsugu, Geldmacher, Jörg, Gee, Jeffrey S., Pressling, Nicola, Koppers, Anthony A. P., Yamazaki, Toshitsugu, Geldmacher, Jörg, Gee, Jeffrey S., Pressling, Nicola, Hoshi, Hiroyuki, Anderson, L., Beier, C., Buchs, D. M., Chen, L-H., Cohen, B. E., Deschamps, F., Dorais, M. J., Ebuna, D., Ehmann, S., Fitton, J. G., Fulton, P. M., Ganbat, E., Hamelin, C., Hanyu, T., Kalnins, L., Kell, J., Machida, S., Mahoney, J. J., Moriya, K., Nichols, A. R. L., Rausch, S., Sano, S-i., Sylvan, J. B., Williams, R.

“…Hotspots that form above upwelling plumes of hot material from the deep mantle typically leave narrow trails of volcanic seamounts as a tectonic plate moves…”
Get full text

Limited latitudinal mantle plume motion for the Louisville hotspot by Koppers, Anthony A P, Yamazaki, Toshitsugu, Geldmacher, Jörg, Gee, Jeffrey S, Pressling, Nicola, Hoshi, Hiroyuki, Anderson, L, Beier, C, Buchs, D M, Chen, L-h, Cohen, B E, Deschamps, F, Dorais, M J, Ebuna, D, Ehmann, S, Fitton, J G, Fulton, P M, Ganbat, E, Hamelin, C, Hanyu, T, Kalnins, L, Kell, J, Machida, S, Mahoney, J J, Moriya, K, Nichols, A R L, Rausch, S, Sano, S-i, Sylvan, J B, Williams, R

Get full text

Erratum: Limited latitudinal mantle plume motion for the Louisville hotspot by Koppers, Anthony A. P., Yamazaki, Toshitsugu, Geldmacher, Jörg, Gee, Jeffrey S., Pressling, Nicola, Hoshi, Hiroyuki, Anderson, L., Beier, C., Buchs, D. M., Chen, L-H., Cohen, B. E., Deschamps, F., Dorais, M. J., Ebuna, D., Ehmann, S., Fitton, J. G., Fulton, P. M., Ganbat, E., Hamelin, C., Hanyu, T., Kalnins, L., Kell, J., Machida, S., Mahoney, J. J., Moriya, K., Nichols, A. R. L., Rausch, S., Sano, S-i., Sylvan, J. B., Williams, R.

“…Nature Geoscience 5, 911–917 (2012); published online 25 November 2012. In the print version of this Article originally published, the present address for…”
Get full text

Analysis of sulfides in whole rock matrices by elemental analyzer–continuous flow isotope ratio mass spectrometry by Studley, S.A, Ripley, E.M, Elswick, E.R, Dorais, M.J, Fong, J, Finkelstein, D, Pratt, L.M

“…Potential matrix effects in the sulfur isotopic analysis of whole rocks by elemental analyzer–continuous-flow isotope ratio mass spectrometry (EA–CFIRMS) have…”
Get full text

A COMPARATIVE ELECTRON MICROPROBE STUDY OF LERNA III AND IV CERAMICS AND LOCAL CLAY-RICH SEDIMENTS by SHRINER, C., DORAIS, M. J.

“…This study uses electron microprobe analysis of ceramic artefacts and local day‐rich sediments and lithics to help address questions concerning the nature of…”
Get full text

Depositional provenance of the Himalayan metamorphic core of Garhwal region, India: Constrained by U–Pb and Hf isotopes in zircons by Spencer, C.J., Harris, R.A., Dorais, M.J.

“…U–Pb and Hf isotopes in zircon from the highly metamorphosed core of the Himalaya in the Garhwal region of India indicate that the ortho- and paragneiss units…”
Get full text

Low-pressure differentiation of melanephelinitic magma and the origin of ijolite pegmatites at La Madera, Córdoba, Argentina by Galliski, Miguel Angel, Lira, Raúl, Dorais, Michael J

“…The ijolitic pegmatites of La Madera are exposed in a quarry in Cordoba, Argentina. They occur as dykelets and dykes 0.2 to 0.5 m wide and 5 to 20 m in length,…”
Get full text

Detecting Peritectic Garnet in the Peraluminous Cardigan Pluton, New Hampshire by Dorais, M. J., Tubrett, M.

Get full text

Garnetites of the Cardigan Pluton, New Hampshire: Evidence for Peritectic Garnet Entrainment and Implications for Source Rock Compositions by Dorais, Michael J., Pett, Teresa K., Tubrett, Michael

“…The Cardigan Pluton, located in southwestern New Hampshire, USA, is a strongly peraluminous granodiorite that contains distinctive, meter-sized pods consisting…”
Get full text

Plagioclase zonation styles in hornblende gabbro inclusions from Little Glass Mountain, Medicine Lake volcano, California: implications for fractionation mechanisms and the formation of composition gaps by Brophy, J. G., Dorais, Michael J., Donnelly-Nolan, Julie, Singer, Bradley S.

“…The rhyolite of Little Glass Mountain is a single eruptive unit that contains inclusions of quenched andesite liquid and partially crystalline cumulate…”
Get full text

Mineralogy and petrology of cretaceous subsurface lamproite sills, southeastern Kansas, USA by Cullers, R.L., Dorais, M.J., Berendsen, P., Chaudhuri, S.

“…Cores and cuttings of lamproite sills and host sedimentary country rocks in southeastern Kansas from up to 312 m depth were analyzed for major elements in…”
Get full text

Geochemistry of Early Devonian calc-alkaline plutons in the Merrimack Belt: implications for mid-Paleozoic terrane relationships in the New England Appalachians by Watts, Brandon G, Dorais, Michael J, Wintsch, Robert P

“…A series of northeast-trending plutons extending from northeastern Massachusetts to southeastern Maine intruded the metasedimenlary rocks of the Merrimack…”
Get full text

Post-collisional lamprophyric event in Sierra Norte, Córdoba, Argentina: Mineralogical, geochemical and isotopic characteristics by O’Leary, M.S., Lira, R., Dorais, M.J., Tassinari, C.C.G.

“…Over 20 lamprophyre dykes, varying in width between a few centimeters and several meters, have been identified in central Sierra Norte – Eastern Pampean…”
Get full text

Amphibole zoning in the Garland Peak Syenite, Red Hill complex, New Hampshire. camptonitic parental magmas and differentiation to silica-oversaturated syenites by DORAIS, Michael J, MACRAE, Neil D

“…In order to clarify the process whereby silica-undersaturated magmas differentiate to saturation, amphiboles in rocks from the Garland Peak Syenite of the Red…”
Get full text

Fluid–rock interaction at the roots of an Eopaleozoic epithermal system, Sierra Norte de Córdoba, Argentina: Paragenesis, thermometry and fluid sources by Lira, R., Poklepovic, M.F., Dorais, M.J., Millone, H.A., Gomez, G.M.

“…A deep epithermal vein system hosted in Late Proterozoic to Cambrian granodiorite has been identified in the Sierra Norte de Córdoba, the easternmost range of…”
Get full text

U–Pb geochronology of zircon and polygenetic titanite from the Glastonbury Complex, Connecticut, USA: an integrated SEM, EMPA, TIMS, and SHRIMP study by Aleinikoff, John N, Wintsch, Robert P, Fanning, C.Mark, Dorais, Michael J

“…U–Pb ages for zircon and titanite from a granodioritic gneiss in the Glastonbury Complex, Connecticut, have been determined using both isotope dilution thermal…”
Get full text

Origin of biotite-apatite-rich enclaves, Achala batholith, Argentina by Dorais, Michael J., Lira, Raul, Chen, Yadong, Tingey, David

“…The Achala batholith of Argentina contains very unusual layered enclaves containing up to 30% apatite and 50% biotite in some layers. This modal mineralogy…”
Get full text

A comparative electron microprobe study of "Aeginetan" wares with potential raw material sources from Aegina, Methana, and Poros, Greece by Dorais, Michael J., Shriner, Christine M.

“…Qualitative stylistic evidence from ceramic vessels and limited petrographic analysis suggested that a distinctive group of ceramics with visible inclusions of…”
Get full text

Evidence for a single clay/temper source for the manufacture of Middle and Late Helladic Aeginetan pottery from Asine, Greece by Dorais, Michael J., Lindblom, Michael, Shriner, Christine M.

“…In an effort to further characterize the Middle and Late Helladic pottery industry on Aegina, we have analyzed amphibole in 23 sherds imported to the coastal…”
Get full text

An electron microprobe study of P645/T390: Evidence for an Early Helladic III Lerna-Aegina connection by Dorais, Michael J., Shriner, Christine M.

“…Middle Helladic Aeginetan Ware is widely distributed throughout the Aegean. It is characterized by a “gold mica or volcanic ash” fabric and is abundant at…”
Get full text