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Ages of igneous rocks in the South Park-Breckenridge region, Colorado, and their relation to the tectonic history of the Front-Range uplift
Anonymous (1981) Ages of igneous rocks in the South Park-Breckenridge region, Colorado, and their relation to the tectonic history of the Front-Range uplift. U. S. Geological Survey Professional Paper, Report: P 1199 A-E, 1981
| Authors | Anonymous |
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| Year | 1981 |
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| Title | Ages of igneous rocks in the South Park-Breckenridge region, Colorado, and their relation to the tectonic history of the Front-Range uplift |
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| Source | U. S. Geological Survey Professional Paper, Report: P 1199 A-E, 1981 |
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| ISSN | 1044-9612 |
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| GeoRef | 1981-058845 |
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| Keywords | absolute age; Breckenridge; Colorado; dates; Front Range; geochronology; igneous rocks; North America; Rocky Mountains; South Park; structural geology; Summit County Colorado; tectonics; United States; uplifts; USGS |
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| Notes | Contribution C |
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19 samples from this reference
| Sample | Rock name | Major | Trace | Isotope |
|---|
| 223 | Monzonite |
| | |
| 223 | Monzonite |
| | |
| 222 | Granodiorite |
yes | yes | |
| 222 | Granodiorite |
| | |
| 466 | Gneiss |
| | |
| 74 | Monzonite |
| | |
| 233 | Granodiorite |
| | |
| 503 | Monzonite |
| | |
| 503a | Xenolith |
| | |
| 502 | Monzonite |
| | |
| 328 | Andesite |
yes | yes | |
| 430a | Andesite |
yes | yes | |
| 420 | Tuff |
| | |
| W-1-75 | Tuff |
yes | yes | |
| 150 | Tuff |
yes | yes | |
| 444 | Tuff |
yes | yes | |
| 325 | Andesite |
yes | yes | |
| 323 | Andesite |
yes | yes | |
| 421 | Pyroclastic-flow |
yes | yes | |
