| Locality type: | Mountain |
| Classification |
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| Species: | Epidote |
| Formula: | (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH) |
| Confirmation |
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| Validity: | Believed Valid |
| Data |
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| Mineral Data: | Click here to view Epidote data |
| Locality Data: | Click here to view Mount Chopaka, Nighthawk Mining District, Okanogan County, Washington, USA |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 110672 |
| Long-form Identifier: | 1:3:110672:5 |
| GUID (UUID V4): | a8a5b2d1-9501-4dc1-90cf-0a26c3eb5f81 |
| Nearest other occurrences of Epidote |
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| 6.8km (4.2 miles) | ⓘLittle Chopaka Mountain, Nighthawk Mining District, Okanogan County, Washington, USA |
| 7.2km (4.5 miles) | ⓘPeerless Prospect, Nighthawk Mining District, Okanogan County, Washington, USA |
| 8.9km (5.5 miles) | ⓘFour Metals Mine, Nighthawk Mining District, Okanogan County, Washington, USA |
| 18.0km (11.2 miles) | ⓘCopper World Extension Mine, Palmer Mountain Mining District, Okanogan County, Washington, USA |
| 21.6km (13.4 miles) | ⓘDividend-Lakeview Mine, Osoyoos, Osoyoos Mining Division, British Columbia, Canada |
| 22.8km (14.2 miles) | ⓘKelsey Prospect, Oroville Mining District, Okanogan County, Washington, USA |
| 25.8km (16.0 miles) | ⓘWest side of Osoyoos Lake, Oroville Mining District, Okanogan County, Washington, USA |
| 44.5km (27.6 miles) | ⓘOregon Mine (French Mine), Hedley, Osoyoos Mining Division, British Columbia, Canada |
| 44.8km (27.8 miles) | ⓘGoodhope Mine, Hedley, Osoyoos Mining Division, British Columbia, Canada |
| 45.7km (28.4 miles) | ⓘMission prospect, Hedley, Osoyoos Mining Division, British Columbia, Canada |
| References |
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| Reference Search (possible matching items) |
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 | | Report (issue) | | WASHINGTON GEOLOGICAL SURVEY HENRY LANDES, State Geologist BULLETIN No. 5 PART I Geology and Ore Deposits...Creek Mining District PART II Geology and Ore Deposits of the OrovilleNighthawk Mining District By JOSEPH...Creek Mining District, and Part II, Geology and Ore Deposits of the Oroville-Nighthawk Mining District...GEOLOGY AND ORE DEPOSITS OF THE MYERS CREEK MINING DISTRICT. Paoe I NTRODUCTION . . . . . . . . . . • ... . . . . . . . . . . . . . . . 40 Minerals of district. . . . . . . . . . . . . . . . . . . . . . . |  | | Report (volume) | | PARALLEL GEORGE OTIS SMITH AND FRANK C. CALKINS WASHINGTON GOVERNMENT PRINTING OFFICE 1904 Trri-o^)...divisions of the region..--.........-.--.-.--.-.-.. Okanogan Valley .................:.. ................................................................. Okanogan Mountains ........................................ Columbia and lower Okanogan valleys........................ Upper Okanogan Valley ..._.........---...--...-----.-.------.....-----.-.-.-...---Mount Baker district ................................... ... |  | | Report (issue) | | 192 B1tlletin No. 23, Washington Geologicat Survey MOUNTAIN BOY These workings·which are credited with... page 207. The Metai .Mines of Washington 193 SHERIDAN DISTRICT GENERAL FEATURES Ten miles by air...Cascade) District. Most of the holdings are in T. 38 N., R. 31 E., just across the Ferry County line into...into Okanogan County. The first location was made during 1897 and a year later the Zalia M property made...from th.e Phil Sheridan and Toroda mines, the district was dormant tmtil 1917. The total production has |  | | Report (issue) | | GEOLOGY AND EARTH RESOURCES DIVISION OLYMPIA, WASHiNGTON 98504 METAL MINES OF WASHINGTONPRELIMINARY REPORT...DERKEY NANCY L. JOSEPH and RAYMOND LASMANIS WASHINGTON DIVISION OF GEOLOGY AND EARTH RESOURCES OPEN...Earth Resources standards and nomenclature. 1, WASHINGTON STATE DEPARTMENT OF Natural Resources Brian...DERKEY NANCY L. JOSEPH and RAYMOND LASMANIS WASHINGTON DIVISION OF GEOLOGY AND EARTH RESOURCES OPEN...standards and nomenclature. • CONTENTS Page Page County and site name Kelly Camp Kettle Key East Knob |  | | Report (Issue volume) | | State of Washington ARTHUR B. LANGLIE, Governor Department of Conservation and Development W. A. GALBRAITH...GLOVER, Supervisor Bulletin No. 37 INVENTORY OF WASHINGTON MINERALS PART II METALLIC MINERALS By MARSHALL...Volume 2 - MAPS STATE PRINTING PLANT. OLYMPIA, WASHINGTON lll!UI For sale by Department of Conservation...volumes-text and maps) $4.50. INVENTORY OF WASHINGTON MINERALS PART II METALLIC MINERALS Volume 1...Bulletin 33, "Nonmetallic Mineral Resources of Washington," published in 1936. Since then the catalogue |  | | Journal (article/letter/editorial) | | and a few batholithic masses in the state of Washington have been carefully studied. Much work has been...carried on researches in the adjacent parts of Washington and British Columbia. The solution of the problems...paragraphs may be quoted from the report: In northern Washington, where the Cascade mountains are so prominently...eastern portion of the Cascades, extending from mount Chopaka to the valley of Pasayten river, the name of...vicinity of Barron. The highest peaks, such as Chopaka, Cathedral, Remmel, and Bighorn, have a nearly |
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