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Chalcopyrite from
Old Man Breccia Prospect, Yentna District, Matanuska-Susitna Borough, Alaska, USA

Description
Quality of samples:not specified / average specimens
Confirmation
Validity:Believed Valid
References
References:U.S. Geological Survey, 2008, Alaska Resource Data File (ARDF): U.S. Geological Survey Open-File Report 2008-1225.
Data
Mineral Data:Click here to view Chalcopyrite data
Locality Data:Click here to view Old Man Breccia Prospect, Yentna District, Matanuska-Susitna Borough, Alaska, USA
Nearest other occurrences of Chalcopyrite
2.5km (1.5 miles) Unnamed Occurrence (ARDF - TY024; near Skwentna River), Yentna District, Matanuska-Susitna Borough, Alaska, USA
3.3km (2.1 miles) Old Man Diorite Prospect, Yentna District, Matanuska-Susitna Borough, Alaska, USA
17.1km (10.6 miles) Whistler Prospect, Yentna District, Matanuska-Susitna Borough, Alaska, USA
21.5km (13.4 miles) Unnamed Occurrence (ARDF - TL062; near Mt. Distin), Yentna District, Matanuska-Susitna Borough, Alaska, USA
21.9km (13.6 miles) Unnamed Prospect (ARDF - TL064; near Round Mtn), Yentna District, Matanuska-Susitna Borough, Alaska, USA
23.1km (14.4 miles) 1:30 Prospect, Yentna District, Matanuska-Susitna Borough, Alaska, USA
28.3km (17.6 miles) Island Mountain Prospects, Yentna District, Matanuska-Susitna Borough, Alaska, USA
31.3km (19.4 miles) Unnamed Occurrence (ARDF - TL077; on Portage Creek), Yentna District, Matanuska-Susitna Borough, Alaska, USA
31.5km (19.6 miles) Mt. Estelle Prospects, Yentna District, Matanuska-Susitna Borough, Alaska, USA
31.6km (19.6 miles) Stoney Vein Prospects, Yentna District, Matanuska-Susitna Borough, Alaska, USA
39.4km (24.5 miles) Unnamed Occurrence (ARDF - TL051; near Kohlsaat Peak), Yentna District, Matanuska-Susitna Borough, Alaska, USA
43.9km (27.3 miles) Unnamed Occurrence (ARDF - TL050), Yentna District, Matanuska-Susitna Borough, Alaska, USA
45.6km (28.3 miles) Unnamed Occurrence (ARDF - MG080; on tributary valley to Happy River), McGrath District, Bethel Borough, Alaska, USA
47.9km (29.8 miles) Unnamed Occurrence (ARDF - LH014; near Styx River), McGrath District, Bethel Borough, Alaska, USA
49.0km (30.5 miles) Unnamed Occurrence (ARDF - LH018; near Styx River), McGrath District, Bethel Borough, Alaska, USA
51.4km (32.0 miles) Jimmy Lake Occurrence, McGrath District, Bethel Borough, Alaska, USA
62.0km (38.5 miles) Unnamed Occurrence (ARDF - MG078; in tributary to the Tatina River), McGrath District, Yukon-Koyukuk Borough, Alaska, USA
62.0km (38.5 miles) Terra Cotta Mountains Occurrence, McGrath District, Bethel Borough, Alaska, USA
62.9km (39.1 miles) Unnamed Occurrence (ARDF - MG077; a tributary to Tatina River), McGrath District, Yukon-Koyukuk Borough, Alaska, USA
63.7km (39.6 miles) Chill Prospect, Redoubt District, Bethel Borough, Alaska, USA
66.0km (41.0 miles) Post Lake Prospect, McGrath District, Bethel Borough, Alaska, USA
66.4km (41.2 miles) Unnamed Occurrence (ARDF - TL019), Yentna District, Matanuska-Susitna Borough, Alaska, USA
66.9km (41.6 miles) Unnamed Occurrence (ARDF - LH019; head of South Fork Kuskokwim River), McGrath District, Bethel Borough, Alaska, USA
68.6km (42.6 miles) Unnamed Occurrence (ARDF - TL021), Yentna District, Matanuska-Susitna Borough, Alaska, USA
71.6km (44.5 miles) Three Cub Occurrence, McGrath District, Bethel Borough, Alaska, USA
71.8km (44.6 miles) West Chilligan Occurrence, Redoubt District, Kenai Peninsula Borough, Alaska, USA
72.0km (44.7 miles) Post River Pluton Prospect, McGrath District, Bethel Borough, Alaska, USA
72.3km (44.9 miles) Shellabarger Pass; Shellebarger Pass Prospects, Yentna District, Matanuska-Susitna Borough, Alaska, USA
73.4km (45.6 miles) Unnamed Occurrence (ARDF - MG076; overlooking headwaters of Jones River), McGrath District, Yukon-Koyukuk Borough, Alaska, USA
73.8km (45.9 miles) Unnamed Occurrence (ARDF - MG075; near Jones River), McGrath District, Yukon-Koyukuk Borough, Alaska, USA
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