Skip to main content

Geology and ground-water resources of Cerro Gordo County, Iowa

Dates

Publication Date

Citation

H.G. Hershey, K.D. Wahl, and W.L. Steinhilber, 1970, Geology and ground-water resources of Cerro Gordo County, Iowa: Water Supply Bulletin.

Summary

The basic geologic framework underlying Cerro Gordo County consists of an igneous or metamorphic Precambrian basement complex overlain by, in ascending order, consolidated sedimen tary rocks of Precambrian, Cambrian, Ordovician, Devonian, Mississippian, and Cretaceous age, and unconsolidated sand, gravel, and clay of Quaternary age. Structurally the county is in the northern part of the Iowan Basin, and the sedimentary units of Cambrian through Devonian age dip southward at 9 to 14 feet per mile. Three major glacial advances, the Nebraskan, Kansan, and Wisconsin, covered all or part of the county during the Pleistocene Epoch and left behind glacial drift con sisting of 0 to 125 feet of till and related outwash deposits. De posits of [...]

Contacts

Attached Files

Click on title to download individual files attached to this item.

metadata1735590419811088435.xml
Potential Metadata Source

View
4.81 KB application/mods+xml
Thumbnail
Thumbnail

Tags

Categories
Publication
Types

Provenance

Data source
Harvester
Harvested on Thu Jun 30 04:19:57 MDT 2016 from MODS XML Service

Additional Information

Identifiers

Type Scheme Key
local-index unknown 70174097
local-pk unknown 70174097
series unknown Water Supply Bulletin

Citation Extension

citationTypeReport
journalWater Supply Bulletin
languageEnglish
parts
typePublication Place
valueDes moines, IA

Item Actions

View Item as ...

Save Item as ...

View Item...