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Earth, Planets and Space
Fig. 1 | Earth, Planets and Space

Fig. 1

From: 40Ar/39Ar and cosmic ray exposure ages of plagioclase-rich lithic fragments from Apollo 17 regolith, 78461

Fig. 1

Topographic image of the Sculptured Hills and an inset image of station 8 trench. The moderately inclined transition zone between the Sculptured Hills and the Taurus-Littrow Valley floor with Apollo 17 mission traverses indicated. Station 8 was located at the base of the Sculptured Hills. A 25-cm-deep trench (shown in inset) was sampled at station 8. The plagioclase-rich lithic fragments analyzed in this work were separated from 78460 (1 to 6 cm layer). Also, the crew climbed up towards the hills to sample the 0.5-m boulder (i.e., 78235). Background image: LRO Narrow Angle Camera (NAC) high-resolution image (0.5 m per pixel) laid over the wide-angle Camera morphologic basemap (100 m/pixel). Inset image source: Lunar and Planetary Institute, Houston (http://www.lpi.usra.edu/resources/apollo/frame/?AS17-142-21720)

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