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Home » podrock

Gypsum Vein = water December 31, 2011 12:27 pm podrock

Y’all might have seen the story a few weeks back, but I don’t recall it showing up on the Zone. Recently, that intrepid rover Opportunity studied a neat little outcrop:

http://marsrover.nasa.gov/gallery/press/opportunity/20111207a/PIA15033_Pancam_sol2769_L456atc_br.jpg

Tests reveal that it is gypsum (which requires water to occur) and that the rocks are insitu. That’s where the gypsum formed – deposited by ground water in a fracture!

Could be Oppy’s biggest discovery to date.

Here’s the link: NASA Press Release

  • test by FrankC 2011-12-31 23:45:31
    • cool, way cool by Rita Book 2011-12-31 21:38:49

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