MSL - SAM and CHEMIN, Discussion of the science/results from these instruments |
MSL - SAM and CHEMIN, Discussion of the science/results from these instruments |
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#101
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![]() Senior Member ![]() ![]() ![]() ![]() Group: Admin Posts: 3108 Joined: 21-December 05 From: Canberra, Australia Member No.: 615 ![]() |
ADMIN NOTE: Hi All, a new topic for the discussion of the science from the SAM and Chemin instruments.
There has been a very important amendment to Rule 1.3 which is explained here. Please remember Rule 1.3 at all times when discussing matters in this section. |
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#102
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Junior Member ![]() ![]() Group: Members Posts: 94 Joined: 11-August 12 Member No.: 6536 ![]() |
Small amounts of carbonates were detected in the soil at Rocknest. Siderite (Fe carbonate) was found at an abundance of 0.8% wt, and magnesite (Mg carbonate) is suspected. Isotopic studies indicate that they formed at 0C or below, and the theory is that the minor amount of carbonates in martian soil could have been derived through atmosphere interaction with soil with only transient water.
LPSC paper on C and S isotopes at Rocknest |
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