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Overview. Indiana is bordered on the north by Lake Michigan and the state of Michigan; on the east by Ohio; on the south by Kentucky, with which it shares the Ohio River as a border; and on the west by Illinois. Indiana is one of the Great Lakes states. The northern boundary of the states of Ohio, Indiana, and Illinois was originally defined to ...
Created in 1837, the Indiana Geological and Water Survey ( IGWS) is an official agency of the U.S. state of Indiana charged with geological research and the dissemination of information about the state's energy, mineral and water resources. [ 1] In 2017, the Indiana Geological Survey was renamed to the Indiana Geological and Water Survey. [ 2]
Categories: Geology of Indiana. Stratigraphy of Indiana. Geologic formations of the United States by state. Prehistory of Indiana.
Indiana limestone is a more common term for Salem Limestone, a geological formation primarily quarried in south central Indiana, USA, between the cities of Bloomington and Bedford. It has been called the best quarried limestone in the United States. Indiana limestone, like all limestone, is a rock primarily formed of calcium carbonate.
The Mississippian Borden Formation is a mapped bedrock unit in Kentucky, Indiana, Illinois, Ohio, West Virginia, [7] and Tennessee. It has many members, which has led some geologists to consider it a group (for example in Indiana [8]) rather than a formation (for example in Kentucky [1][4]).
Knox County, Tennessee. Named by. Safford (1869, p. 151) The Knox Supergroup, also known as the Knox Group and the Knox Formation, is a widespread geologic group in the Southeastern United States. The age is from the Late Cambrian to the Early Ordovician. Predominantly, it is composed of carbonates, chiefly dolomite, with some limestone.
Wyandotte Caves. The Wyandotte Caves is a pair of limestone caves located on the Ohio River in Harrison–Crawford State Forest in Crawford County, Indiana, 5 miles (8 km) northeast of Leavenworth and 12 miles (19 km) from Corydon. Wyandotte Caves were designated a National Natural Landmark in 1972, and they are now part of O'Bannon Woods State ...
Kentland crater. Deformation involving bending and overturning is evident in the layered limestones exposed by quarrying at the Kentland impact structure. The Kentland structure, also known as the Kentland crater or the Kentland disturbed area, is an impact structure located near the town of Kentland in Newton County, Indiana, United States.