At an exposure of what I believe is Farley limestone in the Wyandotte fm. of the Kansas City group, I found some thin pieces of Osagia laden limestone to examine with the microscope.
Although the Osagia itself is rather plain looking, there are alot of little pieces of recognizable items within, such as brachiopods, crinoids, and bryozoans.
First, the site. The thin ledge can be seen jutting out from the eroded hillside, and scattered pieces are lying below:
This is the piece I've examined so far:
And a little closer:
Some of the recognizables:
Five sided crinoid columnal (~3mm):
Gastropod (1mm+):
Continued...