Evidence for two shield volcanoes exposed on the island of Kauai, Hawaii

Robin T. Holcomb; Peter W. Reiners; Bruce K. Nelson; Nuni Lyn E. Sawyer

doi:10.1130/0091-7613(1997)025<0811:EFTSVE>2.3.CO;2

Evidence for two shield volcanoes exposed on the island of Kauai, Hawaii

Robin T. Holcomb, Peter W. Reiners, Bruce K. Nelson, Nuni Lyn E. Sawyer

Research output: Contribution to journal › Article › peer-review

25 Scopus citations

Abstract

The island of Kauai has always been interpreted as a single shield volcano, but lavas of previously correlated reversed-to-normal magnetic-polarity transitions on opposite sides of the island differ significantly in isotopic composition. Samples from west Kauai have ⁸⁷Sr/⁸⁶Sr < 0.7037, ε_Nd ≥ 6.14, and ²⁰⁶Pb/²⁰⁴Pb > 18.25; samples from east Kauai have ⁸⁷Sr/⁸⁶Sr > 0.7037, ε_Nd ≤ 6.14, and ²⁰⁶Pb/²⁰⁴Pb < 18.25. Available data suggest that a younger eastern shield grew on the collapsed flank of an older western one.

Original language	English (US)
Pages (from-to)	811-814
Number of pages	4
Journal	Geology
Volume	25
Issue number	9
DOIs	https://doi.org/10.1130/0091-7613(1997)025<0811:EFTSVE>2.3.CO;2
State	Published - Sep 1997
Externally published	Yes

ASJC Scopus subject areas

Geology

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10.1130/0091-7613(1997)025<0811:EFTSVE>2.3.CO;2

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title = "Evidence for two shield volcanoes exposed on the island of Kauai, Hawaii",

abstract = "The island of Kauai has always been interpreted as a single shield volcano, but lavas of previously correlated reversed-to-normal magnetic-polarity transitions on opposite sides of the island differ significantly in isotopic composition. Samples from west Kauai have 87Sr/86Sr < 0.7037, εNd ≥ 6.14, and 206Pb/204Pb > 18.25; samples from east Kauai have 87Sr/86Sr > 0.7037, εNd ≤ 6.14, and 206Pb/204Pb < 18.25. Available data suggest that a younger eastern shield grew on the collapsed flank of an older western one.",

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T1 - Evidence for two shield volcanoes exposed on the island of Kauai, Hawaii

AU - Holcomb, Robin T.

AU - Reiners, Peter W.

AU - Nelson, Bruce K.

AU - Sawyer, Nuni Lyn E.

PY - 1997/9

Y1 - 1997/9

N2 - The island of Kauai has always been interpreted as a single shield volcano, but lavas of previously correlated reversed-to-normal magnetic-polarity transitions on opposite sides of the island differ significantly in isotopic composition. Samples from west Kauai have 87Sr/86Sr < 0.7037, εNd ≥ 6.14, and 206Pb/204Pb > 18.25; samples from east Kauai have 87Sr/86Sr > 0.7037, εNd ≤ 6.14, and 206Pb/204Pb < 18.25. Available data suggest that a younger eastern shield grew on the collapsed flank of an older western one.

AB - The island of Kauai has always been interpreted as a single shield volcano, but lavas of previously correlated reversed-to-normal magnetic-polarity transitions on opposite sides of the island differ significantly in isotopic composition. Samples from west Kauai have 87Sr/86Sr < 0.7037, εNd ≥ 6.14, and 206Pb/204Pb > 18.25; samples from east Kauai have 87Sr/86Sr > 0.7037, εNd ≤ 6.14, and 206Pb/204Pb < 18.25. Available data suggest that a younger eastern shield grew on the collapsed flank of an older western one.

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Evidence for two shield volcanoes exposed on the island of Kauai, Hawaii

Abstract

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