| Locality type: | Prospect |
| Classification |
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| Species: | 'Amphibole Supergroup' (not an IMA approved species) |
| Formula: | AB2C5(T8O22)W2 |
| Confirmation |
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| Validity: | Believed Valid |
| Data |
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| Mineral Data: | Click here to view Amphibole Supergroup data |
| Locality Data: | Click here to view Porter Claim, Middle Fork of the Snoqualmie River, Snoqualmie Mining District, King County, Washington, USA |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 1008317 |
| Long-form Identifier: | 1:3:1008317:2 |
| GUID (UUID V4): | 0 |
| Nearest other occurrences of Amphibole Supergroup |
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| 1.2km (0.7 miles) | ⓘCondor-Hemlock Mine, Middle Fork of the Snoqualmie River, Snoqualmie Mining District, King County, Washington, USA |
| 9.0km (5.6 miles) | ⓘDenny Gulch, Denny Mountain, Snoqualmie Mining District, King County, Washington, USA |
| 24.5km (15.2 miles) | ⓘMt Teneriffe Quarry, King County, Washington, USA |
| 27.7km (17.2 miles) | ⓘMaloney Quarries, Grotto, King County, Washington, USA |
| 46.8km (29.1 miles) | ⓘHicks Butte complex, Kittitas County, Washington, USA |
| 54.1km (33.6 miles) | ⓘFlorence Rae Mine, North Fork of the Sultan River, Sultan Mining District, Snohomish County, Washington, USA |
| 62.0km (38.5 miles) | ⓘLittle Chief prospect, Williamson Creek, Sultan Mining District, Snohomish County, Washington, USA |
| 68.5km (42.6 miles) | ⓘCarbon River (Upthascap River), Pierce County, Washington, USA |
| 82.9km (51.5 miles) | ⓘMazama Ridge Breccia, Pierce County, Washington, USA |
| References |
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