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Granite-Gabbro Relations in the Mineral Lake Instrusive Complex

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Author(s)
Olson, Christopher J.; Kadulski, Brennan M.
Advisor(s)
Ihinger, Phillip D.
Date
Jul 22, 2009
Subject(s)
Mineral Lake Intrusive Complex (Wis.); Granite--Wisconsin; Granite--Inclusions; Gabbro--Inclusions; Posters
Series
USGZE AS589
Abstract
The Mineral Lake Intrusive Complex (MLIC) is a Layered Ma c Intrusion (LMI) located in northeastern Wisconsin. Granitic and gabbroic rocks are intimately associated in the MLIC, with each rock type often containing inclusions of the other. The relationship of these two magma types is the subject of some debate among geologists. Recently, we have developed an alternative model for the origin of granite in LMIs. The model holds that both the granitic and gabbroic rocks were derived from a common parent magma that experienced liquid immiscibility as crystallization proceeded. Here we examine the major and trace element variations of MLIC rocks to test this model for the origin of granite.
Description
Color poster with images, maps, and graphs.
Sponsor(s)
University of Wisconsin--Eau Claire Office of Research and Sponsored Programs.
Permanent link
http://digital.library.wisc.edu/1793/35580 
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