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G. Budde
University of Münster
ChondriteGeologyMeteoriteChondruleAstrobiology
24Publications
8H-index
383Citations
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Publications 23
Newest
#1Fridolin Spitzer (WWU: University of Münster)
#2Christoph BurkhardtH-Index: 19
Last. Thorsten KleineH-Index: 40
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The fundamentally different isotopic compositions of non-carbonaceous (NC) and carbonaceous (CC) meteorites reveal the presence of two distinct reservoirs in the solar protoplanetary disk that were likely separated by Jupiter. However, the extent of material exchange between these reservoirs, and how this affected the composition of the inner disk are not known. Here we show that NC meteorites display broadly correlated isotopic variations for Mo, Ti, Cr, and Ni, indicating the addition of isoto...
#1Thorsten KleineH-Index: 40
#2G. BuddeH-Index: 8
Last. Francis NimmoH-Index: 52
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2 CitationsSource
#1Timo Hopp (WWU: University of Münster)H-Index: 4
#2G. Budde (WWU: University of Münster)H-Index: 8
Last. Thorsten Kleine (WWU: University of Münster)H-Index: 40
view all 3 authors...
Abstract The Mo and Ru isotopic compositions of meteorites and the bulk silicate Earth (BSE) hold important clues about the provenance of Earth's building material. Prior studies have argued that non-carbonaceous (NC) and carbonaceous (CC) meteorite groups together define a Mo-Ru ‘cosmic’ correlation, and that the BSE plots on the extension of this correlation. These observations were taken as evidence that the final 10–15% of Earth's accreted material derived from a homogeneous inner disk reser...
2 CitationsSource
#2Christoph BurkhardtH-Index: 19
Last. Thorsten KleineH-Index: 40
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#1Emily A. Worsham (WWU: University of Münster)H-Index: 1
#2Christoph Burkhardt (WWU: University of Münster)H-Index: 19
Last. Thorsten Kleine (WWU: University of Münster)H-Index: 40
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Abstract Recent work has identified a nucleosynthetic isotope dichotomy between “carbonaceous” (CC) and “non-carbonaceous” (NC) meteorites. Here, we report new Ru isotope data for rare iron meteorite groups belonging to the NC and CC suites. We show that by studying the relative isotopic characteristics of Ru, Mo, and W in iron meteorites, it is possible to constrain the processes leading to the distinct isotope heterogeneities in both reservoirs. In NC meteorites, internally normalized, mass-in...
2 CitationsSource
#1G. Budde (WWU: University of Münster)H-Index: 8
#2Christoph Burkhardt (WWU: University of Münster)H-Index: 19
Last. Thorsten Kleine (WWU: University of Münster)H-Index: 40
view all 3 authors...
Earth grew through collisions with Moon-sized to Mars-sized planetary embryos from the inner Solar System, but it also accreted material from greater heliocentric distances1,2, including carbonaceous chondrite-like bodies, the likely source of Earth’s water and highly volatile species3,4. Understanding when and how this material was added to Earth is critical for constraining the dynamics of terrestrial planet formation and the fundamental processes by which Earth became habitable. However, earl...
6 CitationsSource
#1F. L. H. TissotH-Index: 1
#2Christoph BurkhardtH-Index: 19
Last. Thorsten KleineH-Index: 40
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1 Citations
#1G. BuddeH-Index: 8
#2Christoph BurkhardtH-Index: 19
Last. Thorsten KleineH-Index: 40
view all 3 authors...
#1Thomas S. KruijerH-Index: 15
#2Christoph BurkhardtH-Index: 19
Last. Thorsten KleineH-Index: 40
view all 4 authors...
#1G. BuddeH-Index: 8
#2Christoph BurkhardtH-Index: 19
Last. Thorsten KleineH-Index: 40
view all 3 authors...
3 Citations
123