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On 11/21/2018 at 3:32 PM, abyssunder said:

Have they an attachment plane or something that reflects a possible root ?

not that I can see. I was told they were sponges by a geologist who knows the area?

"Absence of evidence is not evidence of absence"_ Carl Sagen

No trees were killed in this posting......however, many innocent electrons were diverted from where they originally intended to go.

" I think, therefore I collect fossils." _ Me

"When you have eliminated the impossible, whatever remains, however improbable, must be the truth."__S. Holmes

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2 hours ago, Herb said:

not that I can see. I was told they were sponges by a geologist who knows the area?

In that case, I propose something like "rolling stones" as the Bryoliths are.

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On 11/24/2018 at 4:00 PM, abyssunder said:

In that case, I propose something like "rolling stones" as the Bryoliths are.

I will look into it more when I get a chance

"Absence of evidence is not evidence of absence"_ Carl Sagen

No trees were killed in this posting......however, many innocent electrons were diverted from where they originally intended to go.

" I think, therefore I collect fossils." _ Me

"When you have eliminated the impossible, whatever remains, however improbable, must be the truth."__S. Holmes

"can't we all just get along?" Jack Nicholson from Mars Attacks

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On 11/20/2018 at 8:33 PM, Herb said:

Floating Devonian sponges, no ID

Hey Herb,

I was wondering how long these will float when left in the HOH?

Darwin said: " Man sprang from monkeys."

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

 

My Fossil collection - My Mineral collection

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1 hour ago, ynot said:

Hey Herb,

I was wondering how long these will float when left in the HOH?

probably 30-40 minutes

"Absence of evidence is not evidence of absence"_ Carl Sagen

No trees were killed in this posting......however, many innocent electrons were diverted from where they originally intended to go.

" I think, therefore I collect fossils." _ Me

"When you have eliminated the impossible, whatever remains, however improbable, must be the truth."__S. Holmes

"can't we all just get along?" Jack Nicholson from Mars Attacks

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The fossil was found in the Jeffersonville Limestone of Clark County, Indiana, USA. It dates to the Eifelian, Middle Devonian Period.

Here is a better picture. (picture from Louisville Fossil Blog) I have been told it is the bryozoa, Eridotrypa.sp.

Unidentified-sponge-fossil-Middle-Devonian-Period-Jeffersonville-Limestone-Clark-County-Indiana-USA-August-2015.jpg

"Absence of evidence is not evidence of absence"_ Carl Sagen

No trees were killed in this posting......however, many innocent electrons were diverted from where they originally intended to go.

" I think, therefore I collect fossils." _ Me

"When you have eliminated the impossible, whatever remains, however improbable, must be the truth."__S. Holmes

"can't we all just get along?" Jack Nicholson from Mars Attacks

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On 11/19/2018 at 11:35 AM, Innocentx said:

I don't know if you've tried a bit of vinegar on it to see if it fizzes. That test might help figure this out. Drop it in some vinegar and see if it bubbles. Should take less than a minute to bubble if carbonate based. Keep a bowl of baking soda/water mixture nearby to stop reaction and neutralize acid (prevents acid from damaging it). Let us know what happens.

It doesn't fizz and didn't lose any noticable bouyancy after several minutes in vinegar and then baking soda water.

Whatever it is, me likey.

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KIMG5684~2.JPG

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2 minutes ago, pcjr65 said:

It doesn't fizz and didn't lose any noticable bouyancy after several minutes in vinegar and then baking soda water.

I think it is some type of modern plant material.

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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