Fluid-present melting of meta-igneous rocks and the generation of leucogranites – Constraints from garnet major and trace element data, Lu-Hf whole rock-garnet ages and whole rock Nd-Sr-Hf-O isotope data

C. Jung; S. Jung; O. Nebel; E. Hellebrand; P. Masberg; E. Hoffer

doi:10.1016/j.lithos.2008.11.008

Fluid-present melting of meta-igneous rocks and the generation of leucogranites – Constraints from garnet major and trace element data, Lu-Hf whole rock-garnet ages and whole rock Nd-Sr-Hf-O isotope data

C. Jung
, S. Jung
, O. Nebel
, E. Hellebrand
, P. Masberg
, E. Hoffer

Research output: Contribution to Journal › Article › Academic › peer-review

Abstract

Pan-African high-grade metamorphism in the Proterozoic Damara orogen (Namibia) led to formation of garnet-bearing leucosomes in potassic meta-igneous gneisses producing a meta-igneous migmatite. In addition, the migmatite (gneiss (mesosome) plus leucosome) was intruded by small-scale leucogranitic melts with a high amount of accumulated biotite and garnet. U-Pb zircon ages obtained on the mesosome and the leucosome indicate late Proterozoic (ca. 850 Ma) concordia upper intercept ages which are interpreted as minimum ages of the precursor rock of the migmatite. U-Pb monazite ages obtained on the leucogranite give a concordant age of 512±1 Ma and two reversely discordant ages with

Original language	English
Pages (from-to)	220-235
Journal	Lithos
Volume	111
DOIs	https://doi.org/10.1016/j.lithos.2008.11.008
Publication status	Published - 2009

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title = "Fluid-present melting of meta-igneous rocks and the generation of leucogranites – Constraints from garnet major and trace element data, Lu-Hf whole rock-garnet ages and whole rock Nd-Sr-Hf-O isotope data",

abstract = "Pan-African high-grade metamorphism in the Proterozoic Damara orogen (Namibia) led to formation of garnet-bearing leucosomes in potassic meta-igneous gneisses producing a meta-igneous migmatite. In addition, the migmatite (gneiss (mesosome) plus leucosome) was intruded by small-scale leucogranitic melts with a high amount of accumulated biotite and garnet. U-Pb zircon ages obtained on the mesosome and the leucosome indicate late Proterozoic (ca. 850 Ma) concordia upper intercept ages which are interpreted as minimum ages of the precursor rock of the migmatite. U-Pb monazite ages obtained on the leucogranite give a concordant age of 512±1 Ma and two reversely discordant ages with",

author = "C. Jung and S. Jung and O. Nebel and E. Hellebrand and P. Masberg and E. Hoffer",

year = "2009",

doi = "10.1016/j.lithos.2008.11.008",

language = "English",

volume = "111",

pages = "220--235",

journal = "Lithos",

issn = "0024-4937",

publisher = "Elsevier B.V.",

}

TY - JOUR

T1 - Fluid-present melting of meta-igneous rocks and the generation of leucogranites – Constraints from garnet major and trace element data, Lu-Hf whole rock-garnet ages and whole rock Nd-Sr-Hf-O isotope data

AU - Jung, C.

AU - Jung, S.

AU - Nebel, O.

AU - Hellebrand, E.

AU - Masberg, P.

AU - Hoffer, E.

PY - 2009

Y1 - 2009

N2 - Pan-African high-grade metamorphism in the Proterozoic Damara orogen (Namibia) led to formation of garnet-bearing leucosomes in potassic meta-igneous gneisses producing a meta-igneous migmatite. In addition, the migmatite (gneiss (mesosome) plus leucosome) was intruded by small-scale leucogranitic melts with a high amount of accumulated biotite and garnet. U-Pb zircon ages obtained on the mesosome and the leucosome indicate late Proterozoic (ca. 850 Ma) concordia upper intercept ages which are interpreted as minimum ages of the precursor rock of the migmatite. U-Pb monazite ages obtained on the leucogranite give a concordant age of 512±1 Ma and two reversely discordant ages with

AB - Pan-African high-grade metamorphism in the Proterozoic Damara orogen (Namibia) led to formation of garnet-bearing leucosomes in potassic meta-igneous gneisses producing a meta-igneous migmatite. In addition, the migmatite (gneiss (mesosome) plus leucosome) was intruded by small-scale leucogranitic melts with a high amount of accumulated biotite and garnet. U-Pb zircon ages obtained on the mesosome and the leucosome indicate late Proterozoic (ca. 850 Ma) concordia upper intercept ages which are interpreted as minimum ages of the precursor rock of the migmatite. U-Pb monazite ages obtained on the leucogranite give a concordant age of 512±1 Ma and two reversely discordant ages with

U2 - 10.1016/j.lithos.2008.11.008

DO - 10.1016/j.lithos.2008.11.008

M3 - Article

SN - 0024-4937

VL - 111

SP - 220

EP - 235

JO - Lithos

JF - Lithos

ER -