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  • Geology Of Lode Gold Districts In The Klamath Mountains

    Geology Of Lode Gold Districts In The Klamath Mountains

    districts and value of gold produced from lode gold mines and prospects in the. klamath mountains province, california and oregon _ in pocket most of the lode deposits of gold are simple quartz-filled fissure veins. the however, no genetic relationship between dike and gold-bearing veins has been proved, and the 

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  • Gold Mining In The Willow Creek District.

    Gold Mining In The Willow Creek District.

    gold and silver produced at lode mines in willoio creek district, 1908-1915. year. 1908. persistent quartz vein from a few inches to about 2 feet in thickness. the claims of the oregon group. thickness of 38 inches of gold-bearing quartz.

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  • Ore Bin / Oregon Geology Magazine / Journal

    Ore Bin / Oregon Geology Magazine / Journal

    rockhound in looking for 'colors' in oregon's gold-bearing streams. 'gold and silver in copper, lead, and zinc, are deposited either in veins or as scattered mineral grains go id ore from quartz mines must be sent to a sme i ter for treatment.

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  • Jackson County Oregon Gold Production Western Mining

    Jackson County Oregon Gold Production Western Mining

    the first gold mining in the state was in jackson county. in the central part of the county, in bear creek and cottonwood creek valleys, remnants of the marine the lode deposits are gold-quartz veins containing minor amounts of sulfides.

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  • Mineral Resources Of The Pueblo Mountains Wilderness Study

    Mineral Resources Of The Pueblo Mountains Wilderness Study

    wilderness study area, harney county, oregon, and humboldt resources in quartz veins along a fault near the east boundary of mercury. a few mines produced small amounts of gold pyrite-bearing quartz veins in fracture zones strike.

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  • Dogami Bulletin 14-D, Oregon Metal Mines Handbook

    Dogami Bulletin 14-D, Oregon Metal Mines Handbook

    cataloging oregon's mines and mineral deposits is a continuing depart mental activity. formations appear to be conformable on the east slope of bear creek valley,. '2. deformation a few quartz veins contain free gold without appreciable 

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  • Josephine County Oregon Gold Production Western Mining

    Josephine County Oregon Gold Production Western Mining

    sulfide and gold-bearing quartz veins fill fractures in the jurassic sediments and greenstone. masses of igneous rock of jurassic or cretaceous age that range in 

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  • Dogami Bulletin 14-A, Oregon Metal Mines Handbook

    Dogami Bulletin 14-A, Oregon Metal Mines Handbook

    mountains are the chief placer and quartz mines of jackson there are the scattered gold and platinum-bearing rock granite and diorite; vein bearing ne. and.

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  • Mineral Resources Of South- Western Oregon

    Mineral Resources Of South- Western Oregon

    the gold-bearing quartz is widely distributed and occurs in small veins, veinlets, and brecciated zones in several kinds of rock. most of the mines and prospects 

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  • Mine,Ral. Resources Yof The Wilderness And

    Mine,Ral. Resources Yof The Wilderness And

    mines and mineral resources-oregon-grant co. i. case, james e., dunite just northwest of the wilderness may be related to gold veins in little canyon. mountain; the quartz and epidote-bearing veins associated with basaltic dikes and.

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  • Big Creek Mining Complex

    Big Creek Mining Complex

    hard rock (quartz, load) mining this virtual tour focuses on the placer mining done by the ah heng company at a through native rock, also known as a vein or ledge. oregon has several gold-bearing areas over different regions: 1.

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  • Gold In Placer Deposits

    Gold In Placer Deposits

    figures. g1. map of california showing principal placer-gold mining areasgg5. g2. (gold-bearing quartz veins) or mineralized zones of other types, and (or) from relatively small proportion of gold produced are oregon. (1:4.0), nevada 

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  • Gold Quartz Veins Of The Alleghany District

    Gold Quartz Veins Of The Alleghany District

    productivity of veins of different types. _ _ _ . mines of oregon creek drainage basin con. month.4 a single slab of gold-bearing quartz calcu-.

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  • Dogami Bulletin 14-B, Oregon Metal Mines Handbook

    Dogami Bulletin 14-B, Oregon Metal Mines Handbook

    the chief placer and quartz mines of jackson, josephine , curry , coos , and. douglas soon after the discovery of gold-bearing gravels, quartz veins were lo.

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  • Grant County Oregon Gold Production Western Mining History

    Grant County Oregon Gold Production Western Mining History

    quartz veinlets containing rich pockets of native gold occur in carbonatized of the buffalo mine which supplied nearly all the lode gold mined in eastern oregon the lode deposits are in veins in the pre-tertiary metasedimentary rocks near or gravels were mined, and at the north fork a gold-bearing terminal moraine 

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  • This Report Is Preliminary And Has Not Beea Edited Or Reviewed

    This Report Is Preliminary And Has Not Beea Edited Or Reviewed

    county, oregon . . . . . . in pocket. elate 3- cbmposite plan of the standard mine and geology . ; i of accessible the copper- and cobalt-bearing veins of part of the quartzburg gold content is generally higher in the cobalt-bearing.

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  • Department Of The Interior United States

    Department Of The Interior United States

    southwestern oregon. by norman j page 1 miners were producing gold from placers along the. little chetco and precious metals in quartz veins and shear zones), (4) of cobalt-bearing arsenides in vein eposits are tabulated 

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  • Document TypeEx-99.1.0 Sequence11

    Document TypeEx-99.1.0 Sequence11

    the old bannockburn gold mine, located east of the village of bannockburn on the page the gold-bearing quartz veins have been traced in diamond drill manitoba, nova scotia, alaska, arizona, california, idaho, nevada, oregon, 

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  • Selected Annotated Bibliography Of The Geology Of Uranium

    Selected Annotated Bibliography Of The Geology Of Uranium

    white king mine, oregon; the deposits in the pryor mountains. 327 95-119. a beryl-bearing quartz vein, once mined for molybdenite, occurs in quartz believed to have come from a gold-sulfide-quartz vein on the now inaccessi- ble no.

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