Internship: Geophysical studies into the architecture of large...

Internship: Geophysical studies into the architecture of large...

Detailed Description

Geophysical studies into the architecture of large igneous systems hosting magmatic ore deposits

Project Hypothesis or Objectives: Exploring for the critical platinum-group elements (PGEs) relies upon understanding the geophysical signature of the entire magmatic system in which they form, from bottom to top. The USGS is applying a range of geophysical techniques to investigate the internal architecture of layered mafic intrusions. This work also considers the regional geologic framework for these intrusions, emphasizing feeder zones, crustal architecture and external sources of sulfur that exist in basement rocks. Expertise is needed in integrating existing geophysical data sets over specific intrusions within the Mid-continent rift system in order to understand the relation of various layered mafic intrusions to the rift.

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