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  • Vein (geology) Wikipedia

    Gold bearing quartz veins, Blue Ribbon Mine, Alaska. For this reason, veins within hydrothermal gold deposits are no longer the exclusive target of mining, and in some cases gold mineralisation is restricted entirely to the altered wall rocks within which entirely barren quartz veins are hosted.

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  • Golden Dream – Montana Gold And Silver Mines

    Within a year of the district’s placer discoveries, many goldbearing quartz veins were located. The Company mine in Williams Gulch, was opened in 1864, the ore being treated locally in stamp mills and arrastras. The Branham mill, for which Mill Creek and the Mill district were named, was crushing ore …

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  • : Mining a Gold Bearing Quartz Vein Underground ...

    Feb 04, 2011· Mining a gold bearing quartz vein underground in 2008. The video shows slushing, drilling and mucking typical of a small underground operation. The vein grade runs between 1/21 ounce/ton.

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  • Linn County Gold Oregon Gold

    Gold panning and gold mining in the State of Oregon. Where to find gold in Oregon. ... Tags: David Ross Nonnemaker, gold mining, Gold Mining Con Man, Gold Mining Scam, Linn County Gold Mining, Mining Scam, Quartzville ... Quartzville, and North Santiam. It is compared because of the amount of pyrite associated with gold in the quartz veins ...

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  • Placer Gold Deposits Pay Off!

    Placer gold deposits represent the most attractive targets for smallscale miners and prospectors, since activities can be carried out with reasonably small costs, and encouraging prospecting results can be obtained rapidly. A smallscale miner has the opportunity to exploit small, rich accumulations of gold which largersized mining companies might pass by, due to reservesize and overall ore ...

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  • Gold Earth Resources

    Goldbearing quartz veins are often grouped into vein systems, which can cover areas of up to 150 square kilometres. Mineralised areas such as these may contain more than 100 tonnes of gold, with typical grades for current largescale underground mining between 5 and 30 g/t(grams of gold …

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  • Gold, Mining and Prospecting: Gold Occurrences in Georgia

    Mar 08, 2011· The stone of the Southern gold belt ranges from Slate to gneiss with the quartz veins, we following the grain of the rock although the few cases it will deviate from the grain by a few degrees cutting across the layers of strata. In many cases gold found fault zones where gold and quartz are often found in veins in the fracture zones.

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  • Gold mining in the United States Wikipedia

    The goldbearing quartz veins of the Vulture Mine, southwest of Wickenburg, in Maricopa County were discovered in 1863. The mine produced 366,000 troy ounces (11,400 kg) of gold through 1959. The last gold mine to operate in Arizona was the Gold Road mine at Oatman, which shut down in 1998.

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  • Gold mining in Alaska Wikipedia

    Gold mining in Alaska, ... The mine is an underground operation that exploits two large (several meters thick) and highgrade goldbearing quartz veins. Approximately half of the tailings are returned underground, the rest is interred in a dry stack tailings facility on the surface.

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  • Gold in Quartz ICMJ's Prospecting and Mining Journal

    Quartz veins often fluctuate widely in value, with the richest gold ore occurring in pockets or “bonanzas” as they are sometimes called. In some mining districts the bulk of the gold is found in these rich pockets and the rest of the vein may be nearly barren.

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  • Shasta Gold Corp. » The Washington Mine

    The Washington Mine is located 15 miles northwest of Redding in Shasta County Mine contains a series of under explored highgrade, mesothermal goldbearing quartz veins. Historic underground mining at the Property’s Washington and Niagara Mines from 1852 through 1950 yielded an estimated 185,000 ounces of gold.

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  • : Mining a Gold Bearing Quartz Vein Underground ...

    Feb 05, 2011· Mining a gold bearing quartz vein underground in 2008. The video shows slushing, drilling and mucking typical of a small underground operation. The vein grade runs between 1/21 ounce/ton.

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  • Do all quartz deposits contain gold? Quora

    Jan 16, 2015· The answer is "maybe." First things first: gold is found almost everywhere, including dissolved in seawater. If you're in the USA, the geological survey lists locations where significant amounts have been recorded. When it's directly associated ...

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  • The Geology of Hydrothermal Quartz Veins ... Gold mining

    Mar 07, 2011· The Geology of Hydrothermal Quartz Veins that are Gold Bearing When you first look at a quartz vein in a rock it looks like a very narrow vein but in reality a quartz vein develops into a sheet like body of quartz or other mineral that is carried in the cracks and fissures in the rock by a hot aqueous solution that is deposited through ...

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  • How to Identify a Gold Bearing Area | Sciencing

    Apr 25, 2017· A lode deposit, consisting of hard rock usually found in a mine, mine dump or quartz vein will require a pick axe, hammer and chisel. Prospecting in a placer deposit, usually a stream, gravel lot or beach, requires a pan or dredging equipment. ... If a goldbearing area is on privatelyowned land, be sure to obtain permission from the owner in ...

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  • Archean goldbearing quartz veins at the Sigma Mine ...

    The Sigma deposit consists of an Archean goldbearing vein system in deformed volcanic rocks intruded by two generations of porphyries. The veins cut all rock types, and wallrock alteration is superposed on greenschist facies metamorphic assemblages.

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  • Raining Gold – Montana Gold And Silver Mines

    Within a year of the district’s placer discoveries, many goldbearing quartz veins were located. The Company mine in Williams Gulch, was opened in 1864, the ore being treated locally in stamp mills and arrastras. The Branham mill, for which Mill Creek and the Mill district were named, was crushing ore …

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  • Bulk Sampling A High Grade Gold Silver Quartz Vein Found ...

    Dec 23, 2017· A new quartz vein was found several months ago and we are currently removing ore by hand for a bulk sample. Mineralization is found in the form of chalcopyrite, sphalerite, bornite, galena and ...

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  • Baker County Oregon Gold Production Western Mining History

    The veins contain pyrite, chalcopyrite, sphalerite, galena, and free gold in a gangue of quartz and some calcite. GREENHORN DISTRICT The Greenhorn district is between lat 44°33' and 44°44' N. and long 118°25' and 118°32' W. in Baker and Grant Counties. Both silver and gold veins were mined in the district before 1910.

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  • Eight Natural Geologic Signs Pointing Toward Gold ...

    This can be an indicator of gold. Iron Staining Gossans: Not all veins produce much quartz – gold bearing veins can consist of calcite or mostly sulfides – which often weather into iron stained spots when the pyrites convert to iron oxides. Large amounts of iron oxides like hematite, magnetite and ironstone can be favorable indicators.

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  • How to Find Gold in Quartz | Sciencing

    Mar 13, 2018· Use a metal detector to look for gold in quartz bearing rocks. Any large gold crystal pieces (nuggets) or veins of gold will give a good strong signal on most metal detectors. But just because you might not get a strong signal does not mean that gold is not there.

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  • GEOLOGY OF THE ROBERTSON, HUMDINGER, AND …

    GEOLOGY OF THE ROBERTSON, HUMDINGER, AND ROBERT E. GOLD MINES, SOUTHWESTERN OREGON By PHILIP J. ABSTRACT The gold quartz veins described in the following report are similar to many other small or moderate sized deposits in southwestern Oregon which have produced notable amounts of gold.

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  • Gold Pass 1

    Gold bearing quartz veins and stringers traverse the schist. Placer gold can be recovered down slope from the gold bearing veins in small washes and gulches on both sides of the eastwest trending ridge where the veins outcrop. There are several small mine workings and prospect pits on the claim block that could be deepened and explored.

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  • States With Gold : Where Was The Most Gold Found In The ...

    Placer gold was discovered at Great Falls near Washington, DC in 1861 during the American Civil War by Union soldiers from California. After the war a number of mines were opened on goldbearing quartz veins in Montgomery County. No gold production has been reported since 1951. Total production was about 6,000 troy ounces (190 kg). Michigan

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  • Geology of Lode Gold Districts in the Klamath Mountains ...

    Rare goldquartz veins crop out near and in serpentine. Dike rocks are plentiful near many lode deposits; they may form one or both walls of a vein and, in places they seem to have been favored loci for gold bearing veins. The most common dike rock near gold veins is the socalled

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  • Oregon's Biggest Gold Nuggets

    Jun 04, 2014· A quartz matrix is also very common with much of the gold that is found in certain districts in Oregon. These highgrade pieces of quartz containing veins can be of exceptional quality and are worth a nice premium to collectors. Oregon’s Current Potential for Producing Large Nuggets . The first significant gold mining in southwest Oregon ...

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  • Great Slabs of Gold New 49ers Prospecting Club

    The first lode mine in Oregon State was a pocket mine. It was called the Hicks Lead. This small pocket produced 1,000 in two hours. It was later sold to a group of miners who built the first arrastra in Oregon State. The fabulous Gold Hill Pocket was discovered in 1857 near the top of …

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  • Patented California Gold Property for Sale

    The mine was discovered in 1881 and produced about 800,000 in gold when the price was only an ounce (or about 61 million at today's gold prices). The mine has been developed by five adits which vary in length from 100 to 1500 feet. There 3 distinct gold bearing quartz veins identified including the Potato Patch vein which leads to an ...

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  • California Gold vein formation, Rich gold quartz ore

    Veins of gold bearing quartz are well known in California, and historically they have produced millions of dollars worth of gold. Their formation and the gold they contain are of interest. Quartz mines are found and worked in a great many counties in California, from Siskiyou on the north to San Diego on the south.

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  • Where to Find Gold Mining and Prospecting in Oregon.

    Oregon has a rich gold mining history, and there is still plenty of gold waiting to be found. Most gold prospecting in Oregon is done in the southwest and northeast parts of the state, where extensive gold discoveries have been made. Suction dredging, sluicing, and metal detecting are all good ways to recover gold nuggets in Oregon.

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  • Digital Rockhound's Companion Site: Gold Mining in Oregon

    Oct 07, 2009· Gold Mining in Oregon ... Lode mining began as early as 1859 on the Gold Hill vein in Jackson County; goldbearing quartz veins were also worked in the 1860's in the Canyon Creek district, the Eagle Creek district, the Mormon Basin district, and the Baker district. The first boom in Oregon expired about 1870, but it had been strong enough to ...

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  • Oregon Gold Production Summary Western Mining History

    Lode mining began as early as 1859 on the Gold Hill vein in Jackson County (Raymond, 1870, p. 214232) ; goldbearing quartz veins were also worked in the 1860's in the Canyon Creek district, the Eagle Creek district, the Mormon Basin district, and the Baker district.

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  • Oregon Mines Mining Artifacts

    Another Baker County gold mining district was at Cornucopia, some 50 miles east of Baker City in the Wallowa Mountains. Baker County had teemed with miners in the 1860s, and a new series of excitements followed the arrival of the railroad in 1884. The Oregon Gold Mining Company in Cornucopia reported a 20stamp mill in 1889.

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