Notes on a Section of the Ohazy-Formation on the Isle la Ifotte 
C.D.W.- June,1886. 
A .- 
Section of the Isle la Motte Limestones 
1. layer of compact .steel-gray limestone. 
2. layer of compact steel-gray limestone, 
Shaly parting, 
3. layer of compact steel-gray limestone 
4. Shale and thin-bedded limestone, 
♦ • 
» « 
5. layer of compact steel-gray jtimestone ,with • 
Leperditia,Triplesift and Raphistoma, 
6. Shaly limestone and shale 
Ft • In. 
1 6 
7. layer of compact steel-gray limestone, 
Shaly parting, 
8. layers of compact steel-gray limestone, 
(8 layer*) 
cracks and Annelid trails showing on the 
surf acre of the thinner layers 
2 
Shaly parting, 
0 
9. 
Compact steel-gray limestone. Leperditia. 
Shaly parting, 
0 
0 
0 
2 
3 
10 . 
11 . 
12 . 
Compact bluish ,i?o steel-gray limestone ,break' 
ing up into thin shaly layers, 
Compact steel-gray limestone, 
Shaly parting,mostly calc spar, 
Compact steel-gray limestone, 
Shaly parting. 
3 9 
jj^ 
Compact steel-gray limestone, 
14. Compact bluish-gray limestone feathering to a 
lead color, (leperditia.) 0 
