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Petrogenesis of Archean (2.7 Ga) Mafic Volcanic Assemblages Near Ely, MN
(2019-05)
The Vermilion District in northeastern Minnesota contains one of the classic Neoarchean
Archean granite-greenstone belt terranes in the United States that formed between 2722 Ma to
~2661 Ma. Crustal development during ...
Evaluating Groundwater Quality and Behavior at UWEC Campus
(2019-05)
To garner a better understanding of groundwater flow and water quality on the University of Wisconsin –Eau Claire campus, we collected monthly measurements in fourteen (14) monitoring wells across lower campus, including ...
An Assessment of Nutrient Loading Through Lacustrine Groundwater Discharge in Mud Lake, WI
(2019-05)
Phosphorus (P)-laden runoff has been associated with lake eutrophication throughout the upper Midwest United States. Although P has been considered immobile in groundwater systems, investigation at UW-Eau Claire suggests ...
Rhombohedral vs. Prism Sector Zones in Hydrothermal Quartz Crystals : Implications for Growth Dynamics
(2019-05)
Gemmy hydrothermal quartz crystals typically exhibit each of their six prism
and six rhombohedral crystal faces. However, discerning which of the crystal faces were actively growing at any given time during construction ...
Regional Geochemical Analysis of Lower Paleozoic Strata, Western Wisconsin
(2019-05)
Lower Paleozoic clastic strata of western Wisconsin were deposited during a series of transgressive marine incursions into the mid-continent in Cambrian to Ordovician time. These strata consist of intercalated sandstone, ...
Assessment of Long‐Term and Recent Trends from USGS Groundwater Level Records in Wisconsin from 1947 to 2017
(2019-05)
Over the past century, average temperature, precipitation, and storm intensity have increased, ultimately changing the nature of Wisconsin’s seasons, and altering the hydrologic cycle. These trends are predicted to continue ...
Characterization of 18th Century French Glass Trade Beads from Fort Mackinac, MI : Chemistry and Infrared Spectroscopy
(2019-05)
Glass trade beads made in Europe were an important commodity in colonial North America. The style and composition of glass beads were unique to each manufacturing site and can be used today to trace trading relationships ...
Characterization of 18th Century French Glass from Saint-Nicolas-des-Biefs, Auvergne-Rhone-Alpes, France : Chemistry and Infrared Spectroscopy
(2019-05)
Glass beads manufactured in Europe were brought to North America and used in trade with native American peoples. The style and composition of glass beads can be used to trace intercontinental connections between the 16th ...