Most Fascinating Clue To Liquid Water!, Eberswalde Crater Delta |
Most Fascinating Clue To Liquid Water!, Eberswalde Crater Delta |
Sep 21 2005, 07:20 PM
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Member Group: Members Posts: 531 Joined: 24-August 05 Member No.: 471 |
Fossil Delta in Eberswalde Crater
http://www.msss.com/mars_images/moc/2005/0...alde/index.html --- The Eberswalde delta provides the first clear, "smoking gun" evidence that some valleys on Mars experienced on going, persistent flow of a liquid with the physical properties of water over an extended period of time, as do rivers on Earth. In addition, because the delta today is lithified -- that is, hardened to form rock -- it provided the first unambiguous evidence that some martian sedimentary rocks were deposited in a liquid (presumably, water) environment. The presence of meandering channels, a cut-off meander, and crisscrossing channels at different elevations (one above the other), provided the clear geologic evidence for these interpretations. --- Imho: This lithified delta is the greatest and most fascinating clue to liquid water! Forget Ares Vallis mouth, drainage channels, recently formed gullies, Gusev ... -------------------- - blue_scape / Nico -
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Dec 17 2005, 03:01 PM
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Member Group: Members Posts: 531 Joined: 24-August 05 Member No.: 471 |
-------------------- - blue_scape / Nico -
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