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Columbus Limestone
The Columbus Limestone is a mapped bedrock unit consisting primarily of fossiliferous limestone, and it occurs in Ohio, Pennsylvania, and Virginia in the United States, and in Ontario, Canada. Description Depositional environment The depositional environment was most likely shallow marine. Stratigraphy The Columbus conformably overlies the Lucas Dolomite in northeastern Ohio, and unconformably overlies other dolomite elsewhere. It unconformably underlies the Ohio Shale in northwestern Ohio and the Delaware Limestone in eastern Ohio. Its members include: Bellepoint, Marblehead, Tioga Ash Bed, Venice, Delhi, Klondike, and East Liberty. Notable Exposures *The type section is located in Columbus, Ohio. *The glacial grooves on Kelleys Island are cut into the Columbus Limestone. It is also quarried there. *An exposure in Ontario is located at Ingersoll, Ontario. Fossils The Columbus Limestone contains brachiopods, trilobites, bryozoans, mollusks, corals, stromatoporoids and ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Kelleys Island, Ohio
Kelleys Island is both a village in Erie County, Ohio, and the island which it fully occupies in Lake Erie. The British originally called it Sandusky Island. Later the United States took it over and officially designated it as Island Number 6 and Cunningham Island. It was renamed as Kelleys Island in 1840 by brothers Datus and Irad Kelley, who had purchased nearly the entire island. History Kelleys Island was previously occupied by Native Americans of the area. During the beginning of the War of 1812, the island was used as a military rendezvous post, first by the British and later by the U.S. Military. During the early 19th century, the island was mostly uninhabited. After the Kelley brothers purchased the land, there was commercial development through extraction of the island's limestone and lumber resources, and the population began to grow with workers and families. There was also growing of grapes as a commodity crop. As of the 2010 census, the island's population was 3 ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
