re: Unless Martian gypsum / calcrete is a lot different than Earth's

Space/Science » in reply to Unless Martian gypsum / calcrete is a lot different than Earth's

Robert Clark — 2/7/2004 11:36:32 PM (archived)

In the "Pathfinder's Finds" article, look on pages 8 and 9 according to the PDF file page numbering. The caliche mention has the hardness of concrete. The Sojourner wheels did not scrath the surface.

Bob Clark

The whole thread (19 posts)

Color image of light colored material near Opportunity lander. - Robert Clark - 2/6/2004 6:22:24 PM
- re: Color image of light colored material near Opportunity lander. - Nipper Wolf - 2/7/2004 3:19:26 AM
- Evaporites? - RobVG - 2/6/2004 7:22:43 PM
- Since when has gypsum and calcite been harder than anodized aluminium? - Tony - 2/6/2004 7:12:20 PM
  - Quartz? - Robert Clark - 2/9/2004 7:37:54 AM
    - :-) - Tony - 2/9/2004 11:33:51 AM
  - Then perhaps caliche, which is harder. - Robert Clark - 2/7/2004 3:07:56 AM
    - You know - Tony - 2/7/2004 5:40:42 AM
      - re: You know - et - 2/8/2004 4:53:44 PM
        
        Yes, but....... - Tony - 2/9/2004 3:05:19 PM
      - re: You know - Robert Clark - 2/7/2004 11:44:38 PM
      - re: You know - Nick Hoffman - 2/7/2004 3:59:54 PM
  - re: Harder? - Nick Hoffman - 2/7/2004 2:46:36 AM
    - Wheel Abrasion Experiment on Pathfinder. - Robert Clark - 2/7/2004 3:36:11 AM
      - Unless Martian gypsum / calcrete is a lot different than Earth's - Tony - 2/7/2004 5:50:38 AM
        
        re: Unless Martian gypsum / calcrete is a lot different than Earth's - Robert Clark - 2/7/2004 11:36:32 PM
- re: Color image of light colored material near Opportunity lander. - Marcia - 2/6/2004 7:10:28 PM
  - re: Ah... - Marcia - 2/6/2004 7:49:09 PM
  - re: ... from memory... they said it was a shade of Red. (n/t) - Marcia - 2/6/2004 7:13:56 PM

Recent posts

On this day in Space/Science

The whole thread (19 posts)