[Rockhounds] fossil ID Request

[Kreigh Tomaszewski]

JR,

Hard to tell from the picture, but the size and shape suggest Microdoma 
to me. You can see some Microdoma at https://kb.osu.edu/dspace/ 
bitstream/1811/22682/1/V080N2_059.pdf.

Kreigh


On Sunday, Jul 6, 2008, at 17:47 America/Detroit, J. R. Hodel wrote:

> Hi:
>
> A friend at work found a nice chert in her driveway with a little vug 
> and a (probably marine) fossil in it.  If you look at the rock with a 
> 10x loupe you can see numerous micro-fossils in the chert.  I'm not 
> much of a fossil guy, but I know there are several on the list.  She 
> was thinking an archimedes of some sort, but I think the layers are 
> too close for that, the best archimedes I've seen were about a twist 
> each 1 or 2 cm or thereabouts, this has a layer each mm or close to > it.
>
> I have a pretty good 60mm Micro Nikkor lens, and took a reasonable 
> picture of it, which I've reduced to a 98k file for emailing.  If 
> anyone wants a look, let me know your email. 
>
> Given that this driveway is in Charleston, WV, I expect the crushed 
> stone on it came from somewhere on the Ohio River, as most of the 
> aggregate around here is from Shamblin Stone, and they have all their 
> rock barged in.
>
> Thanks in advance!
>
> JR in WV
>
>
>
>
>
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