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About Karl Wirth

Wirth's research utilizes geochemistry to study the origins of igneous rocks and the evolution of continental and oceanic crust. He regularly leads students on field excursions during the January intersession to Hawaii, Costa Rica, or the Galápagos Islands, and he teaches Geologic Field Methods during summer. Recent research with students has focused on rocks in the Bering Sea region, southern Ontario and northern Minnesota, the Galápagos Islands, Tanzania, and Cozumel.
Wirth have been teaching at Macalester College since 1990.
EDUCATION: B.S., Beloit College; M.S., Ph.D., Cornell University


Present Associate Professor, Geology, Macalester College

Research Interests


  • Minerology
  • Petrology
  • Physical Geology
  • Planetary Geology

Contact Information

Macalester College
Olin-Rice 113
1600 Grand Avenue
St. Paul, MN 55105
(651) 696-6449


Articles (20)

Contributions to Books (5)