 | | Report (issue) | | Peninsula, Mich. 10. Porphyry molybdenum ore, Colorado 11. Zinc ore, Edwards, N.Y. 12. Manganese nodules...Elements in the Wet Mountains Area, Fremont and Ouster Counties, Colorado By THEODORE J. ARMBRUSTMACHER GEOLOGY...elements in the Wet Mountains area, Fremont and Custer Counties, Colorado. (Geology and resources of thorium...16:1049-F 1. Thorium ores—Colorado—Wet Mountains Region. 2. Earths, Rare—Colorado—Wet Mountains Region. 3...Mountains Region. 4. Mines and mineral resources—Colorado—Wet Mountains Region. I. Title. II. Series. III |  | | Journal (article/letter/editorial) | | ites fromthe Wet MountainsArea, Fremont and Custer Counties,Colorado TnEOr)ORE J. ARMBRUSTMACHER Abstract...with alkalic rocks of the McClure Mountain and Gem Park Complexes, andthecomplex at DemocratCreek,canbeclassified...that the carbonatitereplacing the earlier alkalic dikes also was derived from igneoussources. Exchangeof...hornblendegneisses, associated with and cuttingrocksof the Gem Park and amphibolites--andPrecambrianintrusivegran...Subsequentwork at the Gem Plumeage (1.45 b.y.) (Taylor et al., 1975a,b) (Fig. Park Complex(Parker and Sharp |  | | Report (volume) | | San Isabel National Forest, South-Ce tral Colorado COLORADO An Assessment of the Mineral Resource...the San Isabel National Forest, South-Central Colorado By Richard B. Taylor, Rebecca j. Stoneman, and...rocks and structures 9 Early Proterozoic gneiss complex 10 Routt Plutonic Suite 10 Berthoud Plutonic Suite...the San Isabel National Forest, south-central Colorado Mineral resource potential map of the San Isabel...Isabel National Forest, south-central Colorado FIGURES 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. |  | | Report (issue) | | beryl production from the Harding pegmatite, Taos County. Current drilling in the Apache Warm Springs deposit...were discovered in the Victorio Mountains, Luna County in the early 1900s. Gulf Minerals Resources, Inc...also is found in the nepheline syenite at Wind Mountain, Otero County and in the molybdenum porphyry...porphyry deposit at Questa, Taos County, although not in economic concentrations. Tertiary rhyolites from Iron...(blue) in the area (defined by McLemore, 2010a). Red line is boundary of Alamosa basin. Major granitic-rhyolite |
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