Japan Aerospace Exploration Agency (JAXA)
Japan Aerospace Exploration Agency (JAXA)
Japan Aerospace Exploration Agency (JAXA)
National Institute for Environmental Studies (NIES)
University of Aizu
National Institute for Environmental Studies (NIES)
Hokkaido University
University of Aizu
University of Aizu
University of Aizu
University of Tokyo
Japan Agency for Marine-Earth Science and Technology (JAMSTEC)
Osaka University
National Institute of Advanced Industrial Science and Technology
Japan Aerospace Exploration Agency (JAXA)
出版者
宇宙航空研究開発機構宇宙科学研究所 (JAXA)(ISAS)
出版者（英）
Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency (JAXA)(ISAS)
雑誌名
第43回月・惑星シンポジウム
雑誌名(英)
Proceedings of the 43th ISAS Lunar and Planetary Symposium
43rd ISAS Lunar and Planetary Symposium (August 4-6, 2010. Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency (JAXA)(ISAS)), Sagamihara, Kanagawa Japan
抄録（英）
Unraveling the timing and duration of mare volcanism on the Moon is essential for understanding its thermal evolution. The end of mare volcanism is poorly constrained, because mare basalts are incompletely sampled. In this study, employing SELENE (Kaguya) high-resolution images, we performed new crater size-frequency measurements for 49 young mare units (<ca.3.0 Ga) in the Procellarum KREEP Terrane (PKT), in which the latest magma eruption of the Moon occurred. Mare volcanism in this region continued until ca.1.5 Ga, suggesting that volcanic activity in this region ceased ca.1.0 Ga after the magma eruption had globally ceased 2.5-3.0 Ga. Volcanic activity may have peaked 1.8-2.2 Ga ago. The youngest basalts occur around the Aristarchus plateau and the Kepler crater, which are located in the central region of the PKT. It is likely that heating in the crust due to the concentration of heat-producing elements in the PKT delayed cooling of a partial-melting zone in the underlying mantle.
内容記述
著者人数: 18人
形態: カラー図版あり
内容記述（英）
Number of authors: 18
Physical characteristics: Original contains color illustrations
Timing and Characteristics of the Latest Mare Eruption on the Moon
