[ RadSafe ] Geology Type Question

Tue Nov 22 23:49:07 CST 2016

Vein Type deposits....

Read Franz Dahlkamp's "Uranium Ore Deposits". 

When I have a few hours (or days), I'll send you the Cliffs Notes version. 

Dan W McCarn
108 Sherwood Blvd
Los Alamos, NM 87544 USA
+1-505-670-8123
Sent from my iPhone

> On Nov 22, 2016, at 11:50, Gert Jonkers <G.Jonkers5 at upcmail.nl> wrote:
> 
> There are even more similarities. Mine waters (certainly from Polish) coal
> mines bear a similar naturally occurring radionuclide fingerprint as gas/oil
> industry produced water.
> 
> Kind regards,
> Gert Jonkers
> -----Oorspronkelijk bericht-----
> Van: radsafe-bounces at health.phys.iit.edu
> [mailto:radsafe-bounces at health.phys.iit.edu] Namens KARAM, PHILIP
> Verzonden: dinsdag 22 november 2016 17:00
> Aan: The International Radiation Protection (Health Physics) Mailing List
> Onderwerp: Re: [ RadSafe ] Geology Type Question
> 
> You see something similar in the high-background area in Ramsar Iran.
> Groundwater circulates between the surface and subsurface, where the
> radioactivity is. By the time it gets to depth it's lost pretty much all of
> its oxygen, so it can't dissolve out the uranium. But the radium will go
> into solution, and it's brought to the surface with the rest of the
> mineral-laden water. Once there, the minerals precipitate out to form
> freshwater limestone (travertine) with the radium substituting for calcium
> in the mineral structure. Some rocks there are as much as 10-11 million
> pCi/gm and the soils derived from these rocks are in the thousands of
> pCi/gm.
> 
> So - same geochemistry, just a different setting.
> 
> Andy
> 
> P. Andrew Karam, PhD, CHP
> NYPD Counterterrorism Division
> (718) 615-7055 (desk)
> (646) 879-5268 (mobile)
> 
> -----Original Message-----
> From: radsafe-bounces at health.phys.iit.edu
> [mailto:radsafe-bounces at health.phys.iit.edu] On Behalf Of Dan McCarn
> Sent: Tuesday, November 22, 2016 8:36 AM
> To: The International Radiation Protection (Health Physics) Mailing List
> Subject: Re: [ RadSafe ] Geology Type Question
> 
> Hi Mike:
> 
> Uranium has 2 common valence states in geologic media: +4 and +6; chemically
> reduced (+4) and oxidized (+6) which have 8 (or so) orders of magnitude
> differences in aqueous solubility. The reduced phase - commonly uraninite
> (UO2) - has far less aqueous solubility than the oxidized phase. Oil & gas
> deposits are, by definition, methanogenic and strongly reducing, thus little
> or no soluble uranium is present in connate waters. 
> 
> Thorium has very little aqueous solubility. 
> 
> So what ends-up on pipes as NORM are the decay products. 
> 
> 
> Dan W McCarn
> 108 Sherwood Blvd
> Los Alamos, NM 87544 USA
> +1-505-670-8123
> Sent from my iPhone
> 
>> On Nov 22, 2016, at 00:46, Cowie, Michael I <michael.cowie at aramco.com>
> wrote:
>> 
>> Classification: Saudi Aramco: Company General Use
>> 
>> 
>> Looking for some assistance or pointing in the correct direction. I am
> interested to the reason/s why Uranium and Thorium are not seen in NORM
> associated with oil/gas production. Also K40 is it possible to enhance its
> concentrations by such processes that are used in oil/gas recovery?
>> 
>> Your assistance is greatly appreciated.
>> 
>> Mike
>> 
>> This email has been classified as Saudi Aramco: Company General Use by
> Cowie, Michael I on Tuesday, November 22, 2016 10:46:14 AM.
>> 
>> 
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