K-Ar ages for hornblende from granites and gneisses and for basaltic intrusives in Minnesota
By: G.N. Hanson.
Series: Report of investigations (Minnesota Geological Survey) -- 8
Publisher: University of Minnesota
Published: 1968
Place of publication: Minneapolis, MN
Language: eng
Number of pages: 20
Subjects: Hornblende -- Minnesota.; Potassium-argon dating.
Notes: Bibliogr.

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