Výsledky vyhledávání - "V. Finlayson"

Sr–Pb–Nd–Hf isotopes and 40Ar/39Ar ages reveal a Hawaii–Emperor-style bend in the Rurutu hotspot

Autor: Matthew G. Jackson, V. Finlayson, K. Konrad, Tyrone O. Rooney, Jasper G. Konter, Anthony A. P. Koppers

Publikováno v: Earth and Planetary Science Letters. 500:168-179

Current Pacific absolute plate motion (APM) models include two major, long-lived hotspot tracks: the ∼80 Ma Hawaii–Emperor and ∼79 Ma Louisville seamount tracks. Prior to ∼50 Ma, these two tracks show significant inter-hotspot drift, most lik

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::a274de488ba1b753b5fc60fc4d3b4fc6
https://doi.org/10.1016/j.epsl.2018.08.020

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Shipboard Characterization of Tuvalu, Samoa, and Lau Dredge Samples Using Laser-Induced Breakdown Spectroscopy (LIBS)

Autor: Matthew G. Jackson, Jasper G. Konter, Jacqueline Engel, Shiv K. Sharma, Anthony A. P. Koppers, V. Finlayson

Publikováno v: Applied spectroscopy. 73(6)

Chemical analysis using laser-induced breakdown spectroscopy (LIBS) is well suited for field applications and was applied here for shipboard characterization of a large sample set during the RR1310 rock dredging expedition to the Tuvalu Seamounts. Al

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::64b9615bb40b72d4ff0dfddf4b44f86c
https://pubmed.ncbi.nlm.nih.gov/30700109

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Unusual δ 56 Fe values in Samoan rejuvenated lavas generated in the mantle

Autor: Barry B. Hanan, Paul R. Craddock, Jasper G. Konter, Aaron J. Pietruszka, Nicolas Dauphas, Matthew G. Jackson, V. Finlayson

Publikováno v: Earth and Planetary Science Letters. 450:221-232

Several magmatic processes contribute to the Fe isotope composition of igneous rocks. Most basalts fall within a limited range of δ56Fe ( + 0.10 ± 0.05 ‰ ), although more differentiated lavas trend towards slightly elevated values (up to + 0.3 �

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::c030ececfb8180ea776e86c3344b1d00
https://doi.org/10.1016/j.epsl.2016.06.029

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The importance of a Ni correction with ion counter in the double spike analysis of Fe isotope compositions using a 57 Fe/ 58 Fe double spike

Autor: V. Finlayson, Jasper G. Konter, L. Ma

Publikováno v: Geochemistry, Geophysics, Geosystems. 16:4209-4222

We present a new method capable of measuring iron isotope ratios of igneous materials to high precision by multicollector inductively coupled plasma mass spectrometry (MC-ICP-MS) using a 57Fe-58Fe double spike. After sample purification, near-baselin

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::eb0521148eea0b4e79eec86a7179bbe8
https://doi.org/10.1002/2015gc006012

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On the relative motions of long-lived Pacific mantle plumes

Autor: Jasper G. Konter, V. Finlayson, K. Konrad, Anthony A. P. Koppers, Matthew G. Jackson, Bernhard Steinberger

Publikováno v: Nature Communications
Nature Communications, Vol 9, Iss 1, Pp 1-8 (2018)

Mantle plumes upwelling beneath moving tectonic plates generate age-progressive chains of volcanos (hotspot chains) used to reconstruct plate motion. However, these hotspots appear to move relative to each other, implying that plumes are not laterall

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6337cf690dd0f6df75d281071ce1cbc9
http://hdl.handle.net/10852/70893

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