Bio vs Geo

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Bio vs Geo

Laurie Street — 1/16/2009 9:06:10 PM (archived)

What other signals might be expected from volcanic activity, other than methane production? If there are typical gases released along with methane from volcanic activity, their presence or absence in the Mars examples might help tilt the odds towards one or the other explanations.

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update about methane on mars - Andrew - 1/15/2009 8:14:28 PM
- Anyone got as link to WHICH areas these are seen in? - nick hoffman - 1/16/2009 12:48:51 AM
  - Found it! - nick hoffman - 1/16/2009 1:03:17 AM
    - re: Found it! - So, are the Methane Clathrates or bio in nature? - Marcia - 1/17/2009 2:14:07 AM
      - Origin cannot be proven yet - nick hoffman - 1/17/2009 4:28:54 AM
        
        re: Origin cannot be proven yet. - Marcia - 1/20/2009 3:14:50 AM
        
        or all three ;-) (n/t) - Adam - 1/17/2009 12:17:46 PM
- And Venus may have had continents and oceans - Socrates II - 1/15/2009 9:37:38 PM
  - Astronomy Magazine had an article about that in the 1980â€™s - REB - 1/19/2009 4:47:11 PM
  - Dang! - TB - 1/17/2009 3:15:47 AM
  - Re: is there any way to tell the difference if methane is produced by organisms or geology with remote methods? - TAFKASE - 1/16/2009 6:33:08 PM
  - Biologic vs Chemical origins - nick hoffman - 1/16/2009 12:20:25 AM
    - re: Biologic vs Chemical origins - E.P. - 1/16/2009 9:18:33 PM
      - Neutrons? - nick hoffman - 1/17/2009 4:38:20 AM
    - Bio vs Geo - Laurie Street - 1/16/2009 9:06:10 PM
      - Volcanic activity - nick hoffman - 1/17/2009 4:31:59 AM
        
        Besides its lack of "sexiness"... - Socrates II - 1/19/2009 4:07:07 PM
        
        re: just as likely as not. - Nick Hoffman - 1/19/2009 11:46:34 PM
        
        active fault movement needed? - pwokenyaw - 1/20/2009 3:16:56 AM
        
        found the press conference quote - pwokenyaw - 1/20/2009 6:41:07 AM
        
        Serpentinisation on Earth - nick hoffman - 1/20/2009 12:18:58 PM
        
        Life on Mars - Socrates II - 1/21/2009 12:54:24 PM
        
        Volcanic activity and photo chemistry - Marsbug - 1/17/2009 2:33:51 PM
  - About Venus - Adam - 1/15/2009 10:37:33 PM
    - tough mission, but there's an alternative - pwokenyaw - 1/17/2009 4:27:44 PM
    - re: About Venus. - A planet that rains sulfuric acid doesn't hold much on the surface. mho (n/t) - Marcia - 1/17/2009 3:20:37 AM
      - Sulfuric acid decomposes due to the heat high in the air (n/t) - Adam - 1/17/2009 12:16:09 PM
        
        Some Earth life does live in some really nasty environments - Socrates II - 1/19/2009 5:58:06 PM
        
        Methane detected in the geyser plumes of Enceladus - Socrates II - 1/19/2009 10:08:01 PM
        
        Nasty Life - Adam - 1/20/2009 1:29:26 AM

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