The Elizabethtown 7.5-minute quadrangle is located immediately adjacent to the maximum extent of the Wisconsin Episode of the Laurentide Ice Sheet and contains glacial sediments of the Wisconsin, Illinois, and pre-Illinois Episode glaciations. The surficial geology of the quadrangle is dominated by silt- and clay-rich diamicton (till) of the Wisconsin Episode and sand and gravel (outwash) up to 30 ft thick along the western edge of the quadrangle. A deep (Quaternary sediment thickness up to 130 ft) bedrock paleovalley is present along the western edge of the quadrangle and trends north-south. The paleovalley preserves an older sequence of glacial deposits (till and outwash) related to the Illinois and pre-Illinois Episodes. In the eastern two-thirds of the quadrangle, Wisconsin and Illinois Episode tills (total thickness less than 50 ft) lie on a southwestward sloping bedrock surface. This preliminary geologic map is an interim geologic map product that documents progress in mapping the Quaternary geology of Bartholomew County, Indiana. The lithologic classification of the Quaternary units of Indiana (Wayne, 1963) was used in assigning map units.
Loope, H. M., 2015, Preliminary map showing Quaternary geology of the Elizabethtown 7.5-minute quadrangle, Indiana: Indiana Geological Survey Open-File Study 15-05, scale 1:24,000.
You may also like:
Can't find what you're looking for? Feel free to contact us directly:
Publication Sales Office
Indiana Geological and Water Survey
611 North Walnut Grove
Bloomington, IN 47405-2208
IGS Return Policy
All sales are final. Materials may not be returned after they have been accepted by the customer. Any discrepencies in mail orders must be reported to IGWS within 10 days of receipt of order.
The Indiana Geological and Water Survey will refund the purchase price and sales tax of products if returned with the original sales receipt within 10 days of receipt of order. Refunds will be issued with the same method of payment as indicated on the original receipt except for cash purchases, which will be refunded by check. Items must be returned in the same condition as purchased. Refunds on digital products and services are not allowed, except for defective media such as CD-ROMs, flash drives, and so on. The customer is responsible for paying shipping costs to return items.