[Rockhounds] Fossil Fish and Rare Earth Deposits

[Glen Miller]

Good question. If the articles didn't explain an answer to your question,
more info
is needed.

On Mon, Jun 22, 2020 at 10:44 AM <linda at middleearthminerals.com> wrote:

> I found this article very interesting.  But I am confused as to why the REY
> elements (rare earths and yttrium) are found with the fish fossils.
> Phosphorus being concentrated in deposits of previously living organisms,
> yes, that makes sense since phosphorus is essential to life.  But REY
> elements?  I did see this quote " The global change of the Cenozoic climate
> also facilitated the incorporation of phosphorus-favoured elements such as
> REY into pelagic clay."
> So is it saying that phosphorus preferentially binds with REY elements?  I
> wonder why that would be.  There appear to be plenty of oxides and
> silicates
> made with REY and not containing P.  I'm missing a piece of the puzzle
> here!
> Can anyone explain that?
>
>
> -----Original Message-----
> From: Rockhounds <rockhounds-bounces at rockhounds.drizzle.com> On Behalf Of
> Paul
> Sent: Sunday, June 21, 2020 8:25 PM
> To: Rockhound List <rockhounds at rockhounds.drizzle.com>
> Subject: [Rockhounds] Fossil Fish and Rare Earth Deposits
>
> Fossilized fish could indicate rich deposits of valuable rare-earth metals
> by University of Tokyo PhysOrg, June 18. 2020
> https://phys.org/news/2020-06-fossilized-fish-rich-deposits-valuable.html
>
> Fish fossils become buried treasure. Fossilized fish could indicate rich
> deposits of valuable rare-earth metals by University of Tokyo, June 18.
> 2020 https://www.eurekalert.org/pub_releases/2020-06/uot-ffb061720.php
>
> The paper is:
>
> Junichiro Ohta, Kazutaka Yasukawa, Tatsuo Nozaki, Yutaro Takaya, Kazuhide
> Mimura, Koichiro Fujinaga, Kentaro Nakamura, Yoichi Usui, Jun-Ichi Kimura,
> Qing Chang, and Yasuhiro Kato. Fish proliferation and rare-earth
> deposition by topographically induced upwelling at the late Eocene cooling
> event. Scientific Reports.
> https://www.nature.com/articles/s41598-020-66835-8
>
> Yours,
>
> Paul H.
>
>
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