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Jurassic Sponge-Coral Reef replaced by microcrystalline SiO2??


geomana

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Greetings.

 

I have a lot of photos I’d like to share and get some feedback on, assuming there is not a unanimous agreement that the specimens you see in this photo are purely Geological in origin... I found them, and many more, within the geographical boundaries of a Jurassic age rock formation in Northern California that is listed primarily as meta volcanic rocks.  Considering that information, please tell me if you thinking I’m barking up an imaginary tree here...   If you are uncertain, let me know, and I will post more pictures...  Thanks for your time!

 

-Quinn

6DAA5D71-A439-4CF9-8E01-3A96224EF8BE.jpeg

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Sorry, ... I just see geologic specimens here.

No fossils, that I can see.  :unsure: 

    Tim    -  VETERAN SHALE SPLITTER

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"In every walk with nature one receives far more than he seeks."

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35 minutes ago, geomana said:

that is listed primarily as meta volcanic rocks.

Not likely to find fossils in this type of rock.

But that does not mean that there is nothing to collect there.

Can We see a picture of the whole rock shown above?

Darwin said: " Man sprang from monkeys."

Will Rogers said: " Some of them didn't spring far enough."

 

My Fossil collection - My Mineral collection

My favorite thread on TFF.

 

 

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Very pretty.

Sometimes the eruption up from the magma chamber will cause fantastic colour variation and patterning in volcanic rocks. 

Life's Good!

Tortoise Friend.

MOTM.png.61350469b02f439fd4d5d77c2c69da85.png.a47e14d65deb3f8b242019b3a81d8160-1.png.60b8b8c07f6fa194511f8b7cfb7cc190.png

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Looks like 10 or so different rocks in that pic. And every one of them very nice.

Accomplishing the impossible means only that the boss will add it to your regular duties.

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