Metamorphism and the origin of granitic rocks, Northgate District, Colorado / by T.A. Steven.
| Author/creator | Steven, Thomas A. author. |
| Format | Book |
| Publication Info | Washington : United States Government Printing Office, 1957. |
| Description | iii, pages 335-377 : illustrations, folded map (in pocket), plates ; 29 cm |
| Subjects |
| Series | Geological Survey professional paper ; 274-M Shorter contributions to general geology Geological Survey professional paper 274-M. ^A16492 Shorter contributions to general geology ; 1955-57. ^A20586 |
| Contents | Abstract -- Introduction -- Acknowledgments -- Geologic setting -- Pre-Cambrian geology -- Hornblende-biotite gneiss -- Mylonite gneiss -- Theomorphic quartz monzonite gneiss -- Petrography -- Origin -- Condition of rocks -- Method of movement -- Direction of movement -- Cause of movement -- Dacite porphyry -- Intrusive quartz monzonite -- Petrography -- Main body of the stock -- Marginal dikes -- Satellite dikes -- Wall-rock alteration -- Origin -- Emplacement -- Original rock -- Deuteric alteration -- Late magmatic solutions -- Summary and conclusions -- Granitic rocks in the gneiss complex -- Granitic rocks of magmatic origin -- Literature cited -- Index. |
| Subject | A discussion of the progressive metamorphism, granitization, and local rheomorphism of a layerea sequence of rocks, and of the later emplacement and deuteric alteration of an unrelated granitic stock. |
| Local note | Joyner-FOR JOYNER LIBRARY HOLDINGS OF THE SERIES, GEOLOGICAL SURVEY PROFESSIONAL PAPER, SEARCH BY CALL NUMBER QE75 .P9. |
| General note | "A discussion of the progressive metamorphism, granitization, and local rheomorphism of a layerea sequence of rocks, and of the later emplacement and deuteric alteration of an unrelated granitic stock." |
| Bibliography note | Includes bibliographical references and index. |
| Issued in other form | Online version: Stevens, Thomas A. (Thomas August), 1917-2013. Metamorphism and the origin of granitic rocks, Northgate District, Colorado |
| Govt. docs number | I 19.16:274-M |
| Govt. docs number | I 19.16:274-M c.2 |