Table of contents for 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.


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Geology.........................................                      ............      .....          ..    ..       ...................................................................... 5
Analytical M               ethods ..................................                    ...    ...       .......  ........   .......     ....................................................5
Petrography                ..........................................................         ...............................            .......................     ...............................8
Geochronology                    .............................         ..  ..    ..........      ...........     ......................................................................                    1
W    hole-Rock              Chem        istry    ...........................................             ..........   ...   ..........................................                       .......15
M   ajor-Oxide              Data................................              ................................................................................................15
Trace-Elem               ent     Data      ................      .........    ...................................................                    ...................................17



Library of Congress subject headings for this publication: Petrology Montana Crazy Mountains, Dikes (Geology) Montana Crazy Mountains, Historical geology Montana Crazy Mountains, Sills (Geology) Montana Crazy Mountains