Hf isotope evidence for a hidden mantle reservoir
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Hf isotope evidence for a hidden mantle reservoir. / Bizzarro, Martin; Simonetti, A.; Stevenson, R.K.; David, J.
In: Geology, Vol. 30, No. 9, 01.09.2002, p. 771-774.Research output: Contribution to journal › Journal article › Research › peer-review
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TY - JOUR
T1 - Hf isotope evidence for a hidden mantle reservoir
AU - Bizzarro, Martin
AU - Simonetti, A.
AU - Stevenson, R.K.
AU - David, J.
PY - 2002/9/1
Y1 - 2002/9/1
N2 - High-precision Hf isotopic analyses and U-Pb ages of carbonatites and kimberlites from Greenland and eastern North America, including Earth's oldest known carbonatite (3 Ga), indicate derivation from an enriched mantle source. This previously unidentified mantle reservoir-marked by an unradiogenic Hf isotopic composition and preserved in the deep mantle for at least 3 b.y.-may account for the mass imbalance in Earth's Hf-Nd budget. The Hf isotopic data presented here support a common mantle source region and genetic link between carbonatite and some oceanic-island basalt volcanoes.
AB - High-precision Hf isotopic analyses and U-Pb ages of carbonatites and kimberlites from Greenland and eastern North America, including Earth's oldest known carbonatite (3 Ga), indicate derivation from an enriched mantle source. This previously unidentified mantle reservoir-marked by an unradiogenic Hf isotopic composition and preserved in the deep mantle for at least 3 b.y.-may account for the mass imbalance in Earth's Hf-Nd budget. The Hf isotopic data presented here support a common mantle source region and genetic link between carbonatite and some oceanic-island basalt volcanoes.
UR - http://www.scopus.com/inward/record.url?scp=0036764795&partnerID=8YFLogxK
U2 - 10.1130/0091-7613(2002)030<0771:HIEFAH>2.0.CO;2
DO - 10.1130/0091-7613(2002)030<0771:HIEFAH>2.0.CO;2
M3 - Journal article
AN - SCOPUS:0036764795
VL - 30
SP - 771
EP - 774
JO - Geology
JF - Geology
SN - 0091-7613
IS - 9
ER -
ID: 45193240