The origin, character, and mineral potential of Proterozoic-age basement rocks and the nature of the Proterozoic-Paleozoic unconformity in northeastern Iowa

The U. S. Geological Survey, Crustal Geophysics and Geochemistry Science Center, requires a cooperative agreement to Utah State University in support of joint research on the origin, character, and mineral potential of Proterozoic-age basement rocks and the nature of the Proterozoic-Paleozoic unconformity

credit: Flickr


in northeastern Iowa.

The Northeast Iowa Intrusive Complex (NEIIC) is composed of mafic Proterozoic rocks that may be related to the Midcontinent Rift System, and may have nationally significant mineral potential.

However, the rocks are completely buried under hundreds of meters of younger sedimentary rocks, and very few boreholes penetrate the overlying sedimentary section.

Studies of the NEIIC to date have relied almost entirely on geophysical data, but rigorous control on the geophysical interpretations is lacking.

Further, the fundamental nature of the closely related Proterozoic-Paleozoic unconformity is weakly constrained in this region, specifically in relation to its hydrogeologic character, state of stress, thermal regime, and state of weathering.

Related Programs

U.S. Geological Survey_ Research and Data Collection

Department of the Interior


Agency: Department of the Interior

Office: Geological Survey

Estimated Funding: $60,000


Who's Eligible





Obtain Full Opportunity Text:
Not Available

Additional Information of Eligibility:
Not Available

Full Opportunity Web Address:


Contact:
Gail WalkerContract SpecialistPhone 3032369334

Agency Email Description:
gwalker@usgs.gov

Agency Email:
gwalker@usgs.gov

Date Posted:
2017-07-01

Application Due Date:
2017-07-14

Archive Date:
2017-08-13



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