Download Light-Toned Rocks Exposed along Coprates Chasma

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Light-Toned Rocks
Exposed along Coprates
Chasma
uahirise.org/ESP_027973_1650
Some of the brighter rocks could be minerals that formed when basaltic
rock was altered by water flowing deep underground a long time ago
before the chasma opened up. Alternatively, the light-toned rocks may
be sediments that were deposited when water filled up portions of the
chasma.
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