Geoscience Reference
In-Depth Information
107
Oak Grove
Limestone Member
Mecca Quarry
Shale Member
Marine shell layer
2m
Francis Creek
Shale Member
1
0
Colchester No 2
Coal Member
Underclay Unit
107 Stratigraphic log of the Francis Creek Shale and
associated Members of the Carbondale Formation,
Illinois after Baird etal., 1986.
108
108 Disused Pit 8 in the Colchester N° 2 Coal. The spoil
forming the raised banks is the source of the Mazon
Creek nodules.
 
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