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Between Mare Crisium and Mare Serenitatis Apollo 17 approached its
site, which is in shadow at the left edge of the photograph (white arrow). The area consists of both mare and terrae. Maraldi, a crater described in figure 52, is shown by the black arrow. A markedly rectilinear pattern of major terra features and mare terra contacts is characteristic of this area. Closely spaced intersecting structures also produce a finely textured pattern of equidimensional hills. The northeast and northwest directions of the large and small structural elements are less consistent with structural trends of the nearby Crisium and Serenitatis basins than with the more distant Imbrium basin. Therefore, Imbrium ejecta or seismic energy may have produced the structures. When viewed under conditions of high angle lighting, the pattern of small hills is referred to as "corn on the cob" or as "sculptured hills." The appropriateness of these terms is demonstrated on the next figure, a stereogram enlargement of the rectangular area in the lower right corner of this picture. -D.E.W.
Report Source: NASA SP-362, Page 61, Figure 50
This web page was created by Francis Ridge
for The Lunascan Project
Section Directory 25