Item Number: IJES06

Henry H. Gray, then a stratigrapher at the Indiana Geological Survey, presented this talk on May 18, 1972, to the Indiana-Kentucky Geological Society meeting at Bloomington, Indiana, in connection with a field trip to the Mt. Carmel Fault.

Gray, H. H., 2019, From backbones to sliding plates—a history of thought on the geologic structure of Indiana and the Midwest: Indiana Geological and Water Survey, Indiana Journal of Earth Sciences, v. 1, 6 p. DOI 10.14434/ijes.v1i0.26878

Keywords: structural geology, Indiana, Midwest, plate tectonics

Can't find what you're looking for? Feel free to contact us directly:

Indiana Geological and Water Survey
420 N. Walnut St.
Bloomington, IN 47404
812-855-7636 (phone)
812-855-2862 (fax)

IGS Return Policy

  • Original sales receipt required.
  • Returns accepted within 30 days of purchase date.
  • Refund will be issued by the same method of payment as purchased.
  • Products must be returned in the same new condition as purchased.
  • Refunds on custom orders and digital products are NOT allowed.
  • Customers are responsible for paying shipping costs to return products.

Updated 8/19/2020