| Locality type: | Occurrence |
| Classification |
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| Species: | Calcite |
| Formula: | CaCO3 |
| Confirmation |
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| Validity: | Believed Valid |
| Data |
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| Mineral Data: | Click here to view Calcite data |
| Locality Data: | Click here to view Fortress Occurrence, Koyukuk Mining District, Yukon-Koyukuk Census Area, Alaska, USA |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 580600 |
| Long-form Identifier: | 1:3:580600:3 |
| GUID (UUID V4): | 0 |
| Nearest other occurrences of Calcite |
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| 1.3km (0.8 miles) | ⓘFriday the 13th Pup Occurrence, Koyukuk Mining District, Yukon-Koyukuk Census Area, Alaska, USA |
| 4.8km (3.0 miles) | ⓘWannemaker and Wortman; Workman's Bench Prospect, Koyukuk Mining District, Yukon-Koyukuk Census Area, Alaska, USA |
| 20.3km (12.6 miles) | ⓘSukakpak Mountain Prospect, Koyukuk Mining District, Yukon-Koyukuk Census Area, Alaska, USA |
| 34.3km (21.3 miles) | ⓘSnowden Creek Occurrence, Koyukuk Mining District, Yukon-Koyukuk Census Area, Alaska, USA |
| 41.6km (25.8 miles) | ⓘDietrich Quarry, Koyukuk Mining District, Yukon-Koyukuk Census Area, Alaska, USA |
| 49.6km (30.8 miles) | ⓘUnnamed Occurrence (ARDF - WI086; near Mathews Dome), Koyukuk Mining District, Yukon-Koyukuk Census Area, Alaska, USA |
| 57.1km (35.5 miles) | ⓘUnnamed Occurrence (ARDF - WI021; east of the north end of Wild Lake), Koyukuk Mining District, Yukon-Koyukuk Census Area, Alaska, USA |
| 61.5km (38.2 miles) | ⓘUnnamed Occurrence (ARDF - WI011; between Sirr Creek and Wild Lake), Koyukuk Mining District, Yukon-Koyukuk Census Area, Alaska, USA |
| 81.5km (50.6 miles) | ⓘItkillik River West Occurrence, Colville Mining District, North Slope Borough, Alaska, USA |
| 92.7km (57.6 miles) | ⓘNanushuk River Occurrence, Colville Mining District, North Slope Borough, Alaska, USA |
| References |
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