Search results
Results From The WOW.Com Content Network
Fossil Legends of the First Americans. Princeton University Press. 2005. ISBN 0-691-11345-9. Murray, Marian (1974). Hunting for Fossils: A Guide to Finding and Collecting Fossils in All 50 States. Collier Books. p. 348. ISBN 9780020935506. Springer, Dale, Judy Scotchmoor. July 1, 2005. "Iowa, US." The Paleontology Portal. Accessed September 21 ...
This list of the Paleozoic life of Iowa contains the various prehistoric life-forms whose fossilized remains have been reported from within the US state of Iowa and are between 538.8 and 252.17 million years of age.
Fossil of the Cambrian-Middle Devonian trilobite Cheirurus †Cheirurus †Chomatodus †Chomatodus inconstans †Chonetes †Chonetes glenparkensis †Chonetes illinoisensis †Chonetes logani †Chonetes multicosta †Chonetes ornatus †Cleiothyridina †Cleiothyridina incrassata – or unidentified comparable form †Cleiothyridina sublamellosa
It is Upper Ordovician in age and named for the Maquoketa River in Iowa. It exists in Missouri, Wisconsin, Iowa, Illinois, and Indiana. It is equivalent to the all but the basal formations of the Cincinnati Group in Ohio. Illinois and Indiana are the only states where the Maquoketa is considered a group. In other states it is a formation.
This page was last edited on 18 November 2024, at 07:49 (UTC).; Text is available under the Creative Commons Attribution-ShareAlike 4.0 License; additional terms may apply.
Search. Search. Appearance. ... The Lime Creek Formation is a geologic formation in Iowa. It preserves fossils dating back to ... Wikipedia® is a registered ...
Geological map and cross-section of the Decorah area. The Winneshiek Shale is a thin and geologically homogeneous package of dark grey to greenish-brown sandy shale.Drill core data has estimated a maximum thickness of 38 meters, [1] though in most areas its thickness is only about 18–27 meters. [3]
The archaeology of Iowa is the study of the buried remains of human culture within the U.S. state of Iowa from the earliest prehistoric through the late historic periods. When the American Indians first arrived in what is now Iowa more than 13,000 years ago, they were hunters and gatherers living in a Pleistocene glacial landscape.