Zobrazeno 1 - 10
of 42
pro vyhledávání: '"Robert W. Nesbitt"'
Autor:
Hugh St. C. O'Neill, Janet M. Hergt, Ian H. Campbell, Oliver Nebel, D. Rhodri Davies, Robert W. Nesbitt, Stephen Eggins, Martin J. Van Kranendonk, Paolo A. Sossi
Publikováno v:
Journal of Petrology. 57:147-184
Komatiites are products of decompression melting of mantle so hot that they are almost exclusively restricted to the Archean. The high degree of partial melting (F) and pressure (P) required for their generation facilitates comparison between the mag
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0a437e8f308c7f1b19b74088fc837fb6
https://doi.org/10.1093/petrology/egw004
https://doi.org/10.1093/petrology/egw004
Autor:
Rex N. Taylor, Osamu Ishizuka, J Andy Milton, Izumi Sakamoto, Robert W. Nesbitt, Makoto Yuasa
Publikováno v:
Journal of Volcanology and Geothermal Research. 156:266-290
We present new ages and geochemical data for back-arc lavas from the northern Izu–Bonin arc 33–35° N including high-precision double-spike Pb isotope measurements. The northern part of the Izu–Bonin arc is distinct from the rest of the arc as
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fe406b5ead3786ab518d7da2825071bd
https://doi.org/10.1016/j.jvolgeores.2006.03.005
https://doi.org/10.1016/j.jvolgeores.2006.03.005
Publikováno v:
Earth and Planetary Science Letters. 224:477-492
In the marine environment, authigenic ferromanganese (Fe-Mn) oxides precipitate from seawater, incorporating many dissolved trace elements (such as Nd, Pb) whose isotopic composition is a direct proxy for ambient seawater. Thus, isotopic studies of t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d30537912c9d7d02e0542ed8d762a40f
https://doi.org/10.1016/j.epsl.2004.05.033
https://doi.org/10.1016/j.epsl.2004.05.033
Autor:
Jean-Alix Barrat, Rex N. Taylor, J. L. Joron, Bor-ming Jahn, Serge Fourcade, Robert W. Nesbitt
Publikováno v:
Lithos. 69:1-13
Major, trace element and isotopic (Sr, Nd and O) data are presented for a series of Quaternary basalts from the Manda Hararo Rift in the Afar depression of Ethiopia. Two types of basalts were erupted. The first and most abundant was a light rare eart
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::61dc7069ec65e7e8b5dd2877936f57bd
https://doi.org/10.1016/s0024-4937(03)00044-6
https://doi.org/10.1016/s0024-4937(03)00044-6
Publikováno v:
Earth and Planetary Science Letters. 211:221-236
We present new isotopic and trace element data, including high-precision double-spike Pb isotope measurements, for back-arc lavas from the Izu–Bonin arc. Systematic along-arc isotopic variation of lavas has been identified in the Izu–Bonin arc th
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::dfd2130013cdeef0a1b62088a13adec3
https://doi.org/10.1016/s0012-821x(03)00201-2
https://doi.org/10.1016/s0012-821x(03)00201-2
Autor:
Thorsten Warneke, Rex N. Taylor, Robert W. Nesbitt, J. Andrew Milton, Ian W. Croudace, Phillip E. Warwick
Publikováno v:
Journal of Analytical Atomic Spectrometry. 18:480-484
Sector-field multi-collector inductively coupled plasma mass spectrometers, commonly referred to as MC-ICP-MS, can now be fitted with multiple ion counting detectors in tandem with the array of Faraday detectors. In this paper, for the first time, we
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0521e23ec37dffd8aaca4f053c817552
https://doi.org/10.1039/b300432e
https://doi.org/10.1039/b300432e
Publikováno v:
Geochemistry, Geophysics, Geosystems. 4:1-20
New He, Ne, Ar and CO2 stepped-crushing data from the Mid-Atlantic Ridge show that contamination of basalts by atmospheric noble gases involves three or more components: unfractionated air, fractionated air with high 36Ar/22Ne (45) and fractionated a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fd8c9a341ae235d18bcd01b74ee6abe2
https://doi.org/10.1029/2002gc000326
https://doi.org/10.1029/2002gc000326
Autor:
R.M. Boella, James A. Milton, Germain Bayon, Christopher R. German, Robert W. Nesbitt, Rex N. Taylor
Publikováno v:
Chemical Geology. 187:179-199
The radiogenic isotopic composition of both detrital and Fe–Mn fractions in marine sediments can be used in paleoceanography to infer changes of bottom-water circulation. We have examined various chemical techniques for the analysis of Sr and Nd is
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::325c17ce76b6c8bdaed32300dd0baa99
https://doi.org/10.1016/s0009-2541(01)00416-8
https://doi.org/10.1016/s0009-2541(01)00416-8
Autor:
Phillip E. Warwick, Robert W. Nesbitt, Rex N. Taylor, J. Andrew Milton, Ian W. Croudace, Thorsten Warneke
Publikováno v:
Journal of Analytical Atomic Spectrometry. 16:279-284
Plutonium isotope ratios have been determined on solutions with concentrations covering four orders of magnitude, 100 fg ml−1 to 600 pg ml−1, using multicollector ICP-MS (Micromass IsoProbe). Discrimination between different sources of anthropoge
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a35a2f5aea3b22d7534e64968e2309a7
https://doi.org/10.1039/b009078f
https://doi.org/10.1039/b009078f
Publikováno v:
Meteoritics & Planetary Science. 36:23-29
— We report on major and trace element analyses obtained by, respectively, inductively coupled plasma-atomic emission spectrometry (ICP-AES) and inductively coupled plasma-mass spectrometry (ICP-MS) of three different aliquots of the new Saharan sh
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9b8e3927ad1905de2731b60bf75c07d9
https://doi.org/10.1111/j.1945-5100.2001.tb01807.x
https://doi.org/10.1111/j.1945-5100.2001.tb01807.x