| Locality type: | Mine |
| Classification |
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| Species: | Microcline |
| Formula: | K(AlSi3O8) |
| Confirmation |
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| Validity: | Believed Valid |
| Data |
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| Mineral Data: | Click here to view Microcline data |
| Locality Data: | Click here to view Johnny Feldspar Mine, El Paso Mining District, El Paso County, Colorado, USA |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 374227 |
| Long-form Identifier: | 1:3:374227:3 |
| GUID (UUID V4): | 6df17747-d81b-4543-92e8-c81debcc4bf1 |
| Nearest other occurrences of Microcline |
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| 9.1km (5.6 miles) | ⓘSt Peters Dome, Cheyenne Mining District (St. Peters Dome Mining District), El Paso County, Colorado, USA |
| 9.2km (5.7 miles) | ⓘEureka Shaft, Cheyenne Mining District (St. Peters Dome Mining District), El Paso County, Colorado, USA |
| 9.4km (5.9 miles) | ⓘEureka Tunnel (1-15 pegmatite), St Peters Dome, Cheyenne Mining District (St. Peters Dome Mining District), El Paso County, Colorado, USA |
| 11.1km (6.9 miles) | ⓘMount Rosa, El Paso County, Colorado, USA |
| 11.3km (7.0 miles) | ⓘStove Mountain (Cookstove Mountain), El Paso County, Colorado, USA |
| 15.4km (9.6 miles) | ⓘSpecimen Rock, El Paso County, Colorado, USA |
| 15.4km (9.6 miles) | ⓘSentinel rock (Specimen rock), Pikes Peak, El Paso County, Colorado, USA |
| 18.6km (11.6 miles) | ⓘCrystal Park area, Crystal Park, El Paso County, Colorado, USA |
| 19.1km (11.9 miles) | ⓘCameron Cone, Crystal Park, El Paso County, Colorado, USA |
| 23.6km (14.7 miles) | ⓘPikes Peak, El Paso County, Colorado, USA |
| References |
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| Reference Search (possible matching items) |
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 | | Journal (article/letter/editorial) | | northeasterly-trending continentul Figure 2. Geologic map of the Colorado Front Range showing the Precambrian metamorphic...Karistrom 1978; Lanthier 1978). Farther south in Colorado, sediments accumulated in decper-water rocks formed...Survey into “Early, Middle, and Late” Eras. In Colorado we because of the subsequent folding and overthrusting...subduction zone and possibly the creation Era in Colorado and Wyoming of a volcanic island arc. Carpenter...perhaps be the Phillipine island arc, and Jack Colorado show two major rock groups with different ages |  | | Report (volume) | | Minerals of Colorado: A 100- Year Record By EDWIN B. ECKEL GEOLOGICAL SURVEY BULLETIN 1 1 14 A...knowledge____________________________________ Future of Colorado mineralogy______________________________________...mineral localities and metallic mineral deposits of Colorado ________________________________ In pocket III...mineral localities and metallic mineral deposits of Colorado, has not been included in this reprint. Many of...especially Fischer and others, 1946). MINERALS OF COLORADO: A 100-YEAR RECORD By EDWIN B. EcKEL ABSTRACT |
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