2009 Or 2011 ?, 1 or 2 ? |
2009 Or 2011 ?, 1 or 2 ? |
May 3 2005, 11:11 AM
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#1
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Member Group: Members Posts: 290 Joined: 26-March 04 From: Edam, The Netherlands Member No.: 65 |
Does anybody know when and how many MSL will go, or when the decision on this will be made ?
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Dec 1 2005, 05:07 PM
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#2
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Senior Member Group: Members Posts: 1636 Joined: 9-May 05 From: Lima, Peru Member No.: 385 |
The Terra Meridiani has a mixed materials: Phyllosilicates and Hydrated sulphates. See the report from ESA:
Phyllosilicates were detected by OMEGA mainly in the Arabia Terra, Terra Meridiani, Syrtis Major, Nili Fossae and Mawrth Vallis regions, in the form of dark deposits or eroded outcrops. Hydrated sulphates, the second major class of hydrated minerals detected by OMEGA, are also minerals of aqueous origin. Unlike phyllosilicates, which form by an alteration of igneous rocks, hydrated sulphates are formed as deposits from salted water; most sulphates need an acid water environment to form. They were spotted in layered deposits in Valles Marineris, extended exposed deposits in Terra Meridiani, and within dark dunes in the northern polar cap. So the most probably zone with Hydrated sulphates might be closer to Valles Marineris, the Western most of Terra Meridiani. The visiting zone of Oppy must be a Phyllosilicate zone or not since it is located East of Terra Meridiani. isn't it? Rodolfo |
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