Petrology of the Crazy Mountains dike swarm and geochronology of associated sills, south-central Montana /
Du Bray, Edward A.
Petrology of the Crazy Mountains dike swarm and geochronology of associated sills, south-central Montana / By Edward A. du Bray, Stephen S. Harlan, and Anna B. Wilson. - [Reston, Va.] : U.S. Geological Survey, 2006. - iii, 21 p. : ill. (some col.), col. map ; 28 cm. - U.S. Geological Survey professional paper ; No. 1715 . - U.S. Geological Survey professional paper ; No. 1715 .
Includes bibliogr. references
Petrology--Montana--Crazy Mountains
Dikes (Geology)--Montana--Crazy Mountains
Historical geology--Montana--Crazy Mountains
Sills (Geology)--Montana--Crazy Mountains
Petrology of the Crazy Mountains dike swarm and geochronology of associated sills, south-central Montana / By Edward A. du Bray, Stephen S. Harlan, and Anna B. Wilson. - [Reston, Va.] : U.S. Geological Survey, 2006. - iii, 21 p. : ill. (some col.), col. map ; 28 cm. - U.S. Geological Survey professional paper ; No. 1715 . - U.S. Geological Survey professional paper ; No. 1715 .
Includes bibliogr. references
Petrology--Montana--Crazy Mountains
Dikes (Geology)--Montana--Crazy Mountains
Historical geology--Montana--Crazy Mountains
Sills (Geology)--Montana--Crazy Mountains
All site content, except where otherwise noted, is licensed under a