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Wednesday, August 8, 2012

Life in Rocks

Posted by on Wed, Aug 8, 2012 at 8:10 AM

Microbiologist James Holden:

"Evidence has built over the past 20 years that there's an incredible amount of biomass in Earth's subsurface, in the crust and marine sediments, perhaps as much as all the plants and animals on the surface. We're interested in the microbes in the deep rock, and the best place to study them is at hydrothermal vents at undersea volcanoes. Warm water flows bring the nutrient and energy sources they need."
Some scientists estimate that, in terms of mass, a third of earth's organisms live in the ground, in rocks, in the cracks.

 

Comments (7) RSS

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Supreme Ruler Of The Universe 1
Wasn't that part of Gold's contention, in The Deep Hot Biosphere?

He also thought oil is abiotic...as supported by increasing deep well drilling.
Posted by Supreme Ruler Of The Universe http://www.you-read-it-here-first.com on August 8, 2012 at 8:37 AM · Report this
2
how do you not have a picture of some damn fraggles here?
Posted by durka durka on August 8, 2012 at 9:04 AM · Report this
3
I read somewhere, too lazy to google, that some of these super-deep earth bacteria live a sort of slowed-down life, with decades and longer going by between fission events. It's pretty cool to imagine this parallel unseen biosphere slowly ticking away beneath our feet.
Posted by Eric from Boulder on August 8, 2012 at 9:27 AM · Report this
4
A friend of mine said he used to grease up his fat now ex-wife and fuck her folds.

You were talking about living in the cracks.
Posted by Central Scrutinizer on August 8, 2012 at 12:50 PM · Report this
Max Solomon 5
how much will be alive after we're done fracking it?
Posted by Max Solomon on August 8, 2012 at 1:03 PM · Report this
Sandiai 6
@3 I heard (on NPR I think) that one species of bacteria in deep ocean sediment divides every thousand years! I can't find the NPR link, but something like this:

http://www.msnbc.msn.com/id/47465770/ns/…
Posted by Sandiai on August 8, 2012 at 2:28 PM · Report this
Sandiai 7
This is why I think we'll find microbes on (under) Mars, Europa, etc. Bacteria need almost nothing to live on: a little bit of water, and some source of metal or bubbling gas that's an electron acceptor or donor. Pretty much any energy source can be exploited; sunlight is not really necessary, it seems.
Posted by Sandiai on August 8, 2012 at 2:37 PM · Report this

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