Figure 86
Click
here for larger NASA version
Click
here for chart showing location of feature
Click
here for larger NASA version
Click
here for chart showing location of feature
In this picture we see another example of the close relationship
between mare ridges and faults. The area is in the Montes Riphaeus between
Mare Cognitum and Oceanus Procellarum. A small part of Oceanus Procellarum
is shown in the upper left. A mare ridge (MR) extends across Procellarum
to the edge of the Montes Riphaeus. In all visible respects it is typical
of a great many other mare ridges. Across the Montes Riphaeus (arrow to
arrow) the trend of the ridge becomes a fault or series of faults causing
the valley. Narrower valleys or grooves in the lower part of the picture
are parallel to the larger valley and they too probably originated by faulting.
Near the east edge of the picture the Montes Riphaeus are bounded by mare
(M). Parts of the contact are quite angular (heavy lines), suggesting a
series of offset faults, possibly continuations of the main mare ridge-fault
trend. -G.W.C.
Report Source: NASA SP-362, Page 95, Figure 86
This web page was created by Francis Ridge
for The Lunascan Project
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