[Rockhounds] West Michigan's geology could be answerto keepingcarbon emissions out of global-warming mix

[Lawrence Rush]

Kreigh: It seems logical that the bore hole which would be used to pump down 
the CO2  could be multi-tubed to also pump down water to be heated and used 
for power in the process...another question for the reporter?

Larry



----- Original Message ----- 
From: "Kreigh Tomaszewski" <Kreigh at Tomaszewski.net>
To: "Rockhounds at drizzle.com: A mailing list for rock and gem collectors" 
<rockhounds at lists.drizzle.com>
Sent: Tuesday, October 07, 2008 8:10 PM
Subject: Re: [Rockhounds] West Michigan's geology could be answerto 
keepingcarbon emissions out of global-warming mix


> Axel,
>
> The Urey Reaction has CO2 and siliceous rock, in the presence of water, 
> converting to SiO2 and carbonates. Cements in the Mount Simon formation 
> include quartz and feldspar overgrowths, hematite and kaolinite, 
> carbonate, chlorite, and microquartz (chert). See 
> http://aapgbull.geoscienceworld.org/cgi/content/abstract/68/6/753.
>
> Since most of the cements are not affected, it should not be a problem. If 
> it were, I suspect it would have shown up in the testing done so for. But 
> it is a good question. Since I live over the formation I have left a 
> message for the reporter to see if the question came up in his research 
> for the article.
>
> Kreigh
>
>
>
> On Tuesday, Oct 7, 2008, at 05:44 America/Detroit, Axel Emmermann wrote:
>
>> Kreigh,
>>
>> Mucho interesting idea!
>> One thought crossed my mind when I found this about sandstone: " 
>> Sandstone,
>> the sedimentary rock is composed of small grains that are cemented by
>> siliceous, felspathic or calcareous cementing material. The cementing
>> material determines the durability of the sandstone.
>>
>> I keep forgetting the name of the reaction but there is a known effect in
>> which siliceous rock is weathered by CO2 and water into carbonates and 
>> sand.
>> It's the "?????-reaction". I keep forgetting the name but there's a "u" 
>> in
>> it ;-)))
>> AAAAAHHHHHHUUUGGGGGHHHHHHRRRRRRRRRRRRRR (sound of me having a brainstorm)
>> Got it: the UREY-reaction. Named after Harold Urey.
>> CO2 under high pressure could attack feldspars and other silicates. Take
>> away the cementing mineral from the sandstone and it could collapse. That
>> would have a fatal effect on the porosity of the layer in the immediate
>> vicinity of the injection point.
>>
>> Normally the Urey reaction is a slow geological process. In this case
>> however pressure and temperature may be important in speeding the 
>> reaction.
>>
>> Axel
>>
>>
>>
>>> -----Oorspronkelijk bericht-----
>>> Van: rockhounds-bounces at lists.drizzle.com
>> [mailto:rockhounds-bounces at lists.drizzle.com]
>>> Namens Kreigh Tomaszewski
>>> Verzonden: zondag 5 oktober 2008 22:38
>>> Aan: Rockhounds at drizzle.com: A mailing list for rock and gem collectors
>>> Onderwerp: [Rockhounds] West Michigan's geology could be answer to
>> keepingcarbon
>>> emissions out of global-warming mix
>>>
>>> It is not often that the main story on the front page of my local
>>> newspaper is about geology.
>>>
>>> http://www.mlive.com/grpress/news/index.ssf/2008/10/
>>> graphic_for_emissions_story.html
>>>
>>>
>>> --
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>>
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>
>
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