A Petrogenetic Model for the Igneous Complex in the Spanish Peaks Region, Colorado
Jahn, Bor-ming (1973) A Petrogenetic Model for the Igneous Complex in the Spanish Peaks Region, Colorado. Contributions to Mineralogy and Petrology, vol.41, no.3, pp.241-258, 1973
| Authors | Jahn, Bor-ming |
|---|---|
| Year | 1973 |
| Title | A Petrogenetic Model for the Igneous Complex in the Spanish Peaks Region, Colorado |
| Source | Contributions to Mineralogy and Petrology, vol.41, no.3, pp.241-258, 1973 |
| Publisher | Springer International, Heidelberg-New York, International (III) |
| ISSN | Oct-99 |
| GeoRef | 1974-002144 |
| Keywords | alkaline earth metals; Cenozoic; chemical composition; Colorado; genesis; geochemistry; igneous rocks; isotopes; magmas; metals; North America; petrology; ratios; Rocky Mountains; Sangre de Cristo Mountains; south-central; Spanish Peaks; Sr-87/Sr-86; stable isotopes; strontium; U. S. Rocky Mountains; United States; variations |
| DOI | 10.1007/BF00371034 |
Abstract
Sr isotopic compositions of 20 various rocks; abundances of K, Rb, Sr, Ba; no comagmatic relationship, mixing of two independent magmas (lamprophyric and granitic) suggested