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Carmen

Identification help :)

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Carmen

I keep finding these little things in my stones, what are they?

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ynot
5 minutes ago, Carmen said:

I keep finding these little things in my stones, what are they?

Please include a scale in Your pictures.We also need to know a location or age of the find.

 

Looks like a couple of different bryozoan in the rock.

 

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Carmen

Oh sorry! I found this in southwest Michigan (vicksburg) just a few weeks ago, it's around the size of a baseball. You can't tell in the picture but the white chunk (grouping of multiple pieces?) on the bottom shimmers like it may be crystallized.

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Tidgy's Dad

Yeah, bryozoans for sure, and maybe some branching corals. 

Shimmer maybe calcite. 

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Rockwood
2 hours ago, Tidgy's Dad said:

Yeah, bryozoans for sure, and maybe some branching corals. 

Shimmer maybe calcite. 

Yeah, branching tabulate coral for sure, and maybe some bryozoan. :)

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Rockwood
11 hours ago, Tidgy's Dad said:

Yeah, bryozoans for sure, and maybe some branching corals. 

It is an odd situation. The most identifiable ones seem to be tabulates, but the most visible one could well be a bryozoan. It looks like an axial core of an incomplete colony to me though, which in the tabulate would look similar to a bryozoan.

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Tidgy's Dad
6 minutes ago, Rockwood said:

It is an odd situation. The most identifiable ones seem to be tabulates, but the most visible one could well be a bryozoan. It looks like an axial core of an incomplete colony to me though, which in the tabulate would look similar to a bryozoan.

They are often very hard to tell apart without detailed thin sections. 

Such is life!:)

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daves64
1 hour ago, Tidgy's Dad said:

They are often very hard to tell apart without detailed thin sections. 

I know some people like that... :hearty-laugh:

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ClearLake

As several have said, looks mostly like bryozoan. Even can see a fenestrate version in the upper center of the picture. In southern Michigan, Devonian aged would be very likely if found in place (unlikely except in a quarry) but way more likely to be out of the glacial till that covers the area and therefore the age possibilities go way up. Always entertaining to paw through a pile of glacial material and see what you can find. 

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Rockwood
19 minutes ago, ClearLake said:

Even can see a fenestrate version in the upper center of the picture.

This area ?

To me it looks too thick (not flat enough). The right side of it is what I call the most recognizable tabulate.

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