EP-95 ON THE MOON WITH APOLLO 16
FIGURE 9.-Geologic sketch map of the Descartes region.

FIGURE 9.-Geologic sketch map of the Descartes region. The various symbols on this map are used to indicate different features and different kinds of rocks that have been discovered already through observations made of the Moon through Earth-based telescopes and with spacecraft photography. Most of the area is covered with the Cayley formation, shown on the map with the symbol Ic. The names of various features, picked by the Apollo 16 crew, are also shown. The symbol Cr is used for material from the rayed craters. The region of Stone Mountain is covered with material that contains many furrows and is identified as the Descartes Formation (Idd). It occurs in the vicinity of Smoky Mountain also. Note the extensive rays of South Ray crater. Compare this map with the photo of the same area shown in Figure 18. Map courtesy of U.S. Geological Survey.

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