ARGON STABLE ISOTOPE CONCENTRATIONS IN LUNAR REGOLITH

被引：0

作者：

Halas, Stanislaw ^{[1
]}

Wojtowicz, Artur ^{[1
]}

Czarnacki, Maciej ^{[1
]}

Robens, Erich ^{[2
]}

机构：

[1] Marie Curie Sklodowska Univ, Mass Spectrometry Lab, Inst Phys, PL-20031 Lublin, Poland

[2] Inst Anorgan Chem & Analyt Chem, D-55099 Mainz, Germany

来源：

GEOCHRONOMETRIA | 2009年 / 33卷

关键词：

Moon; regolith; argon origin; argon isotopes; radiogenic Ar; Sun; SOLAR;

D O I：

10.2478/v10003-009-0002-8

中图分类号：

P [天文学、地球科学];

学科分类号：

07 ;

摘要：

We performed stepwise heating experiments for determination of the two stable isotope ratios of argon fractions and total concentrations of the three stable isotopes Ar-36, Ar-38 and Ar-40 in lunar regolith acquired from the Apollo 11, Apollo 12 and Apollo16 missions. Also the concentration of in situ formed radiogenic Ar-40 was estimated on the basis of known ages and potassium concentrations determined by isotope dilution method. The observed excess of Ar-40 concentration is interpreted to be due to variable (over geological time) flux of solar energetic particles which were implanted into the material at the Moon surface.

引用

页码：37 / 39

页数：3

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