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Northern Indiana consists of 26 counties in the northern third of the state. The landscape is characterized physically by very flat to rolling terrain ranging from 600 to 1,000 feet (180 to 300 m) above sea level and is similar to central Indiana except for the presence of higher and hillier terminal moraines and many glacial kettle lakes in ...
The Knobstone Escarpment is a rugged geologic region in Southern Indiana. Physically, the Knobstone Escarpment is the most rugged terrain in Indiana. The highest hill in the area is Weed Patch Hill, with an elevation of 1,060 feet above sea level. The escarpment's most prominent feature is its steep hills, often called "knobs", and ravines.
The lowest is on the Des Plaines River, in Will County. In Indiana the crest ranges from 750 feet (230 m) in Lake County to nearly 900 feet (270 m) in LaPorte County. The Michigan section is 670 feet (200 m) to 800 feet (240 m) in near the St. Joseph River and north to the Allegan and Van Buren county line. In Allegan County the moraine has its ...
A geologic map or geological map is a special-purpose map made to show various geological features. Rock units or geologic strata are shown by color or symbols. Bedding planes and structural features such as faults , folds , are shown with strike and dip or trend and plunge symbols which give three-dimensional orientations features.
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The Everton Formation is a geologic formation in northern Arkansas through Missouri, Illinois and Indiana that dates to the middle Ordovician Period. [3] It was named by Ulrich (1907) for exposures found around Everton, Arkansas. Fossils of Conodonts Paraprioniodus costatus and Leptochirognathus quadratus indicate Whiterockian age. [4]
An excellent exposure of the Whitewater Formation is a roadcut located on Route 27 south of Richmond, Indiana, at 39.7877 N, -84.9014 W. Fossiliferous slab Rugosa corals