Excerpt from Grand Tower Limestone (Devonian) Of Southern Illinois
The Grand Tower is nearly everywhere overlain by the Lingle Limestone and correlative units of Hamilton (late Middle Devonian) age with, at most, a slight disconformity. The Grand Tower unconformably overlies many formations of Lower Devo nian, Silurian, and Ordovician age.
The oil of the Grand Tower largely has been produced from the Geneva and other dolomite units. In recent years the Dutch Creek Sandstone Member has been found to contain oil in the deepest part of the Illinois Basin at depths greater than 5000 feet. The Dutch Creek is potentially productive over a large area in extreme southern and southeastern Illinois.
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HRD. Condition: New. New Book. Shipped from UK. Established seller since 2000. Seller Inventory # LX-9780266897521
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