3He, 20,21,22Ne, 14C, 10Be, 26Al, and 36Cl in magnetic fractions of cosmic dust from Greenland and Antarctica

A. J.T. Jull; D. Lal; S. Taylor; R. Wieler; A. Grimberg; L. Vacher; L. R. McHargue; S. P.H.T. Freeman; C. Maden; C. Schnabel; S. Xu; R. C. Finkel; K. J. Kim; K. Marti

doi:10.1111/j.1945-5100.2007.tb00541.x

³He, ^20,21,22Ne, ¹⁴C, ¹⁰Be, ²⁶Al, and ³⁶Cl in magnetic fractions of cosmic dust from Greenland and Antarctica

A. J.T. Jull, D. Lal, S. Taylor, R. Wieler, A. Grimberg, L. Vacher, L. R. McHargue, S. P.H.T. Freeman, C. Maden, C. Schnabel, S. Xu, R. C. Finkel, K. J. Kim, K. Marti

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Abstract

We report on studies of the concentrations of cosmogenic nuclides in the magnetic fraction of cosmic dust particles recovered from the South Pole Water Well (SPWW) and from Greenland. Our results confirm that cosmic dust material from these locations contains measurable amounts of cosmogenic nuclides.The Antarctic particles (and possibly those from Greenland as well) also contain minor amounts of solar Ne. Concentrations of cosmogenic nuclides are consistent with irradiation of this material as small objects in space, with exposure ages similar to the expected Poynting-Robertson (P-R) lifetimes of 50-200 kyr for particles 25-100 μm in size.

Original language	English (US)
Pages (from-to)	1831-1840
Number of pages	10
Journal	Meteoritics and Planetary Science
Volume	42
Issue number	10
DOIs	https://doi.org/10.1111/j.1945-5100.2007.tb00541.x
State	Published - Oct 2007

ASJC Scopus subject areas

Geophysics
Space and Planetary Science

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Jull, A. J. T., Lal, D., Taylor, S., Wieler, R., Grimberg, A., Vacher, L., McHargue, L. R., Freeman, S. P. H. T., Maden, C., Schnabel, C., Xu, S., Finkel, R. C., Kim, K. J., & Marti, K. (2007). ³He, ^20,21,22Ne, ¹⁴C, ¹⁰Be, ²⁶Al, and ³⁶Cl in magnetic fractions of cosmic dust from Greenland and Antarctica. Meteoritics and Planetary Science, 42(10), 1831-1840. https://doi.org/10.1111/j.1945-5100.2007.tb00541.x

Jull, AJT, Lal, D, Taylor, S, Wieler, R, Grimberg, A, Vacher, L, McHargue, LR, Freeman, SPHT, Maden, C, Schnabel, C, Xu, S, Finkel, RC, Kim, KJ & Marti, K 2007, '³He, ^20,21,22Ne, ¹⁴C, ¹⁰Be, ²⁶Al, and ³⁶Cl in magnetic fractions of cosmic dust from Greenland and Antarctica', Meteoritics and Planetary Science, vol. 42, no. 10, pp. 1831-1840. https://doi.org/10.1111/j.1945-5100.2007.tb00541.x

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title = "3He, 20,21,22Ne, 14C, 10Be, 26Al, and 36Cl in magnetic fractions of cosmic dust from Greenland and Antarctica",

abstract = "We report on studies of the concentrations of cosmogenic nuclides in the magnetic fraction of cosmic dust particles recovered from the South Pole Water Well (SPWW) and from Greenland. Our results confirm that cosmic dust material from these locations contains measurable amounts of cosmogenic nuclides.The Antarctic particles (and possibly those from Greenland as well) also contain minor amounts of solar Ne. Concentrations of cosmogenic nuclides are consistent with irradiation of this material as small objects in space, with exposure ages similar to the expected Poynting-Robertson (P-R) lifetimes of 50-200 kyr for particles 25-100 μm in size.",

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AU - Lal, D.

AU - Taylor, S.

AU - Wieler, R.

AU - Grimberg, A.

AU - Vacher, L.

AU - McHargue, L. R.

AU - Freeman, S. P.H.T.

AU - Maden, C.

AU - Schnabel, C.

AU - Xu, S.

AU - Finkel, R. C.

AU - Kim, K. J.

AU - Marti, K.

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AB - We report on studies of the concentrations of cosmogenic nuclides in the magnetic fraction of cosmic dust particles recovered from the South Pole Water Well (SPWW) and from Greenland. Our results confirm that cosmic dust material from these locations contains measurable amounts of cosmogenic nuclides.The Antarctic particles (and possibly those from Greenland as well) also contain minor amounts of solar Ne. Concentrations of cosmogenic nuclides are consistent with irradiation of this material as small objects in space, with exposure ages similar to the expected Poynting-Robertson (P-R) lifetimes of 50-200 kyr for particles 25-100 μm in size.

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³He, ^20,21,22Ne, ¹⁴C, ¹⁰Be, ²⁶Al, and ³⁶Cl in magnetic fractions of cosmic dust from Greenland and Antarctica

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