Volcanic units in Sao Miguel, Azores

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May 2024: 
Dr. Kerrigan finishes his tenth year at Pitt-Johnstown.

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Welcome 

I am an Associate Professor in the Energy and Earth Resources (Geology) Department at the University of Pittsburgh at Johnstown in Johnstown, PA.   

I am an educator and petrologist and my interests include field geology, mineralogy, economic geology, igneous and metamorphic petrology, tectonics, and structural geology.

    My main research interests are, but are not limited to: