Rapid Kimberlite Ascent and the Significance of Ar-Ar Ages in Xenolith Phlogopites
Kimberlite eruptions bring exotic rock fragments and minerals, including diamonds, from deep within the mantle up to the surface. Such fragments are rapidly absorbed into the kimberlite magma so their appearance at the surface implies rapid transport from depth. High spatial resolution Ar-Ar age dat...
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American Association for the Advancement of Science (AAAS)
2000
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ftoceanrep:oai:oceanrep.geomar.de:30267 2023-05-15T17:04:55+02:00 Rapid Kimberlite Ascent and the Significance of Ar-Ar Ages in Xenolith Phlogopites Kelley, S. P. Wartho, J.-A. 2000 text https://oceanrep.geomar.de/id/eprint/30267/ https://oceanrep.geomar.de/id/eprint/30267/1/Rapid%20Kimberlite%20Ascent.pdf https://doi.org/10.1126/science.289.5479.609 en eng American Association for the Advancement of Science (AAAS) https://oceanrep.geomar.de/id/eprint/30267/1/Rapid%20Kimberlite%20Ascent.pdf Kelley, S. P. and Wartho, J. A. (2000) Rapid Kimberlite Ascent and the Significance of Ar-Ar Ages in Xenolith Phlogopites. Science, 289 (5479). pp. 609-611. DOI 10.1126/science.289.5479.609 <https://doi.org/10.1126/science.289.5479.609>. doi:10.1126/science.289.5479.609 Article PeerReviewed 2000 ftoceanrep https://doi.org/10.1126/science.289.5479.609 2023-04-07T15:21:40Z Kimberlite eruptions bring exotic rock fragments and minerals, including diamonds, from deep within the mantle up to the surface. Such fragments are rapidly absorbed into the kimberlite magma so their appearance at the surface implies rapid transport from depth. High spatial resolution Ar-Ar age data on phlogopite grains in xenoliths from Malaita in the Solomon Islands, southwest Pacific, and Elovy Island in the Kola Peninsula, Russia, indicate transport times of hours to days depending upon the magma temperature. In addition, the data show that the phlogopite grains preserve Ar-Ar ages recorded at high temperature in the mantle, 700°C above the conventional closure temperature. Article in Journal/Newspaper kola peninsula OceanRep (GEOMAR Helmholtz Centre für Ocean Research Kiel) Kola Peninsula Pacific Science 289 5479 609 611 |
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Open Polar |
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OceanRep (GEOMAR Helmholtz Centre für Ocean Research Kiel) |
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ftoceanrep |
language |
English |
description |
Kimberlite eruptions bring exotic rock fragments and minerals, including diamonds, from deep within the mantle up to the surface. Such fragments are rapidly absorbed into the kimberlite magma so their appearance at the surface implies rapid transport from depth. High spatial resolution Ar-Ar age data on phlogopite grains in xenoliths from Malaita in the Solomon Islands, southwest Pacific, and Elovy Island in the Kola Peninsula, Russia, indicate transport times of hours to days depending upon the magma temperature. In addition, the data show that the phlogopite grains preserve Ar-Ar ages recorded at high temperature in the mantle, 700°C above the conventional closure temperature. |
format |
Article in Journal/Newspaper |
author |
Kelley, S. P. Wartho, J.-A. |
spellingShingle |
Kelley, S. P. Wartho, J.-A. Rapid Kimberlite Ascent and the Significance of Ar-Ar Ages in Xenolith Phlogopites |
author_facet |
Kelley, S. P. Wartho, J.-A. |
author_sort |
Kelley, S. P. |
title |
Rapid Kimberlite Ascent and the Significance of Ar-Ar Ages in Xenolith Phlogopites |
title_short |
Rapid Kimberlite Ascent and the Significance of Ar-Ar Ages in Xenolith Phlogopites |
title_full |
Rapid Kimberlite Ascent and the Significance of Ar-Ar Ages in Xenolith Phlogopites |
title_fullStr |
Rapid Kimberlite Ascent and the Significance of Ar-Ar Ages in Xenolith Phlogopites |
title_full_unstemmed |
Rapid Kimberlite Ascent and the Significance of Ar-Ar Ages in Xenolith Phlogopites |
title_sort |
rapid kimberlite ascent and the significance of ar-ar ages in xenolith phlogopites |
publisher |
American Association for the Advancement of Science (AAAS) |
publishDate |
2000 |
url |
https://oceanrep.geomar.de/id/eprint/30267/ https://oceanrep.geomar.de/id/eprint/30267/1/Rapid%20Kimberlite%20Ascent.pdf https://doi.org/10.1126/science.289.5479.609 |
geographic |
Kola Peninsula Pacific |
geographic_facet |
Kola Peninsula Pacific |
genre |
kola peninsula |
genre_facet |
kola peninsula |
op_relation |
https://oceanrep.geomar.de/id/eprint/30267/1/Rapid%20Kimberlite%20Ascent.pdf Kelley, S. P. and Wartho, J. A. (2000) Rapid Kimberlite Ascent and the Significance of Ar-Ar Ages in Xenolith Phlogopites. Science, 289 (5479). pp. 609-611. DOI 10.1126/science.289.5479.609 <https://doi.org/10.1126/science.289.5479.609>. doi:10.1126/science.289.5479.609 |
op_doi |
https://doi.org/10.1126/science.289.5479.609 |
container_title |
Science |
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289 |
container_issue |
5479 |
container_start_page |
609 |
op_container_end_page |
611 |
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1766059281710317568 |