1A Serenitatis origin for the Imbrian grooves and South Pole-Aitken thorium anomaly

• Main Authors: Mark A. Wieczorek, Maria T. Zuber
• Other Authors: The Pennsylvania State University CiteSeerX Archives
• Format: Text
• Language: English
• Subjects: Aitken; South Pole; South pole
• Online Access: http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.555.2761; http://www-geodyn.mit.edu/imbrium.grooves.pdf

Abstract. The northwest corner of the MoonÕs South Pole-Aitken (SPA) basin contains a high abundance of thorium and a unique Imbrian aged geomorphologic unit that consists of Ògrooves and moundsÓ (referred to here as the Imbrian grooves). Because the location of these features are almost antipodal t...