places have a gold and silver mineral deposit

  • The 10 biggest silver mines in the world Mining Technology

    Nov 18, 20130183;32;Mexico, the world's biggest silver producing country, and Poland host three each of the world's ten biggest silver mines. Bolivia, Turkey, Peru and Australia host the remaining four. Mining technology profiles the ten biggest silver mines in the world, based on contained silver reserves.

    Live Chat
  • World's top 10 gold deposits MINING

    Aug 07, 20130183;32;World's top 10 gold deposits. It might surprise some that this small island nation is rich in mineral reserves. It also has large silver and copper reserves to complement its gold deposit

    Live Chat
  • Gold in New York State. Panning and Prospecting for Placer

    Although gold certainly does exist within New York, the state itself has an unusual law in place that reads that all gold and silver found within New York are property of the state. Unlike other states that allow private landowners and claim holders to mine on profitable mineral deposits, this silly law prevents that.

    Live Chat
  • Reading a river, where does gold deposit. YouTube

    I went out to a couple rivers to show where gold typically deposits on a river. Showing the inside of curves, behind rocks, high bank sluffs, high bank deposits, and pay streaks.

    Live Chat
  • Small scale mining, some info Mine Engineer.Com

    In the Gold Rush years, Geologists and Prospectors had similar results in finding gold and silver deposits, because for one, geologists of a hundred or so years ago, did not have the knowledge and understanding of today's geologists, and two, there were many, many more prospectors roaming the mountains and deserts.

    Live Chat
  • Gold Prospecting How to Find Gold in the United States

    Few Prospectors Find Valuable Gold Deposits. Minor amounts of placer gold have been produced in South Dakota (the Black Hills region, particularly in the Deadwood area, and on French Creek, near Custer) and in Washington (on the Columbia and Snake Rivers and their tributaries).

    Live Chat
  • Placer Gold Resources in New Mexico

    Placer Gold Resources in New Mexico. In 1828, large placer deposits were found in the Ortiz Mountains in Santa Fe County (Old Placers district, DIS187), which began one of the earliest gold rushes in the western United States. Known placer gold deposits were found along the southern and eastern flanks of the Ortiz Mountains; however,

    Live Chat
  • Silver A native element, mineral, alloy, and byproduct

    Silver as a Native Element Mineral. Silver is rarely found as a native element mineral. When found, it is often associated with quartz, gold, copper, sulfides of other metals, arsenides of other metals, and other silver minerals. Unlike gold, it is rarely found in significant amounts in placer deposits.

    Live Chat
  • Silver mining in the United States

    California. Most of the silver produced in California has been a byproduct of mining other metals, such as copper ( Copperopolis ), tungsten (Pine Creek mine in Inyo County ), or gold ( Randsburg ). However, there have been mines where silver was the principal product.

    Live Chat
  • Maps of United States Minerals

    Gold and silver mining regions of the United States. Coal and Iron Deposits in the United States, 1910. A map from 1910 of the contiguous United States showing the regions of iron coal deposits. The map is keyed to show deposits of iron ore, lignite coal, bituminous coal, and anthracite coal in

    Live Chat
  • Vein Mineral Deposits Mineral Processing amp; Metallurgy

    The deposits are more regular than those formed nearer the surface. Lead ore has usually been deposited farther away from the intrusive rock than have the deposits of gold, silver, and copper ores. Stibnite may be plentiful in deposits of this class, and tellurides are found in the gold deposits.

    Live Chat
  • Small scale mining, some info Mine Engineer.Com

    Well, most gold and silver is found in quartz or igneous deposits. Some gold is found in various sedimentary deposits, as well, including igneous intrusions into sedimentary deposits called quot;dikesquot;, carbonaceous rocks, silts, even in limestone.

    Live Chat
  • Gold and Silver Mining in Mexico wealthdaily

    As the bull market for gold and silver continues to power forward, I have been spending more and more time looking at mineral companies working in the mining friendly country of Mexico.

    Live Chat
  • News From The Diggings Mining News, Tutorials, And

    Mar 30, 20190183;32;The Diggings Discover current, past, and potential mining activity around the globe on The Diggingsthe largest free online resource of mining activity. We combine mining deposit data with Bureau of Land Management (BLM) claim listings to compare where known deposits of gold, silver, copper, and other mineable resources are located alongside

    Live Chat
  • The Geology of Gold Deposits Nevada Outback

    Randsburg Gold District, California. This type of gold depositing system is the most common one found within the mother lode country of California as well as the state of Arizona, and is responsible for creating the lodes from which most of Arizona's placer deposits are derived.

    Live Chat
  • Gold The mineral native Gold information and pictures

    Gold in its natural mineral form almost always has traces of silver, and may also contain traces of copper and iron. A Gold nugget is usually 70 to 95 percent gold, and the remainder mostly silver. The color of pure Gold is bright golden yellow, but the greater the silver content, the whiter its color is.

    Live Chat
  • Prospecting for Gold in the United States USGS

    Prospecting for lode deposits of gold is not the relatively simple task it once was because most outcrops or exposures of mineralized rock have been examined and sampled. Today's prospector must examine not only these exposures, but also broken rock on mine dumps and exposures of mineralized rock in accessible mine workings.

    Live Chat
  • Mineral Deposits In Hawaii The Diggings

    Mining Geology (USGS) At the time these deposits were surveyed, 5 deposits in Hawaii were observed to have ore mineralization in an outcrop, shallow pit, or isolated drill holeknown as an occurance deposit. 1 Hawaii has 4 prospect deposits. 2 Kauai, Honolulu, and Maui are the with the most deposits.

    Live Chat
  • Gold Deposit Classification List of 10 Types of Gold Deposits

    Metallurgical ContentGold Deposit Class 1Gold Deposit Class 2Gold Deposit Class 3Gold Deposit Class 4Gold Deposit Class 5Gold Deposit Class 6Gold Deposit Class 7Gold Deposit Class 8Gold Deposit Class 9Gold Deposit Class 10 Gold/Auriferous Deposits can be classified into types for which here is a List of 10 Types of Gold Deposits Auriferous porphyry dykes, sills, and

    Live Chat
  • General Types of Gold Deposits Minelinks

    AURIFEROUS DEPOSITS. Gold is won from deposits mined essentially for the metal and as a by product of the mining and treatment of nickel, copper, zinc, lead, and silver ores. Nine principal types of deposits, exploited mainly for gold, are listed subsequently.

    Live Chat
  • Where are Gold Deposits in Canada

    Mineralization. However, much copper pyrites in a gold ore causes difficulties in extraction with cyanide. Other minerals found in gold deposits are galena, zinc blende, mispickel, stibnite, bismuthinite, and the sulphur arsenic and sulphur antimony compounds of lead and copper; also molybdenite, and pyrrhotite.

    Live Chat
  • Metallic Deposits CliffsNotes

    Metallic Deposits. Placer deposits are heavy metallic minerals, such as iron or titanium minerals, or native gold or diamonds, that have been concentrated by wave or water action in a river or beach environment. The source of the minerals may be far upstream and contain very low amounts of these minerals.

    Live Chat
  • Silver mining in the United States

    No silver is known to have been mined in New Mexico prior to the silver discovery in 1863 near Magdalena in Socorro County. The major silver mining area of Silver City in Grant County was discovered in 1866. A rancher found the Lake Valley silver deposits in Sierra County in 1876. The deposits are bedded manto type deposits in Paleozoic limestone.

    Live Chat
  • Gold in New York State. Panning and Prospecting for Placer

    Although gold certainly does exist within New York, the state itself has an unusual law in place that reads that all gold and silver found within New York are property of the state. Unlike other states that allow private landowners and claim holders to mine on profitable mineral deposits, this silly law prevents that.

    Live Chat
  • Geology Of Hard Rock Gold Deposits

    Man knew more about gold itself and lusted for it much before he understood the geology of hard rock gold or its deposits. Man had to learn about hard rock extraction methods and how to locate those gold deposits just to satisfy the thirst for that yellow metal. Gold has been the most highly esteemed and sought after precious commodity since the times of antiquity It has spurred on numerous

    Live Chat
  • Gold The mineral native Gold information and pictures

    Gold in its natural mineral form almost always has traces of silver, and may also contain traces of copper and iron. A Gold nugget is usually 70 to 95 percent gold, and the remainder mostly silver. The color of pure Gold is bright golden yellow, but the greater the silver content, the whiter its color is.

    Live Chat
  • Mapping mineral deposits and mining around the globe

    TANZANIAMOZAMBIQUEARCTICMONGOLIASIERRA LEONELIBERIADEMOCRATIC REPUBLIC OF CONGOBRAZILRUSSIAAUSTRALIAAFGHANISTANCHINANow the fourth largest gold producer in Africa, with production currently standing at 40 tonnes a year, Tanzania is also rich in other minerals. These are beginning to attract increasing investor interest and the sector is poised for rapid expansion. As well as gold, iron ore, nickel, copper, cobalt, silver, diamond, tanzanite, ruby, garnet, limestone, soda ash, gypsum, salt, phosphate, coal and uranium are all readily available. Several Chinese companies are reportedly ready to move into theLive Chat
  • Amazing New High Grade Gold, Silver amp; Copper Mineral

    We found an amazing new high grade mineral deposit with gold, silver and copper This showing is insane with chalcopyrite, silver and gold veins running throughout a heavily mineralized and

    Live Chat
  • What Other Minerals are Found With Gold

    Generalized paragenetic sequence of principal minerals and elements in epigenetic gold deposits. Minerals and elements shown include only those in veins, lodes, etc.; minerals and elements in wall rock alteration zones are excluded.

    Live Chat
  • Geology of Gold Mineralization amp; How Gold Deposits are Formed

    From these data, estimates can be made of the deposits value. One of the most commonly used methods for determining the gold and silver content of mineralized rocks is the fire assay. The results are reported as troy ounces of gold or silver or both per short avoirdupois ton of ore or as grams per metric ton of ore.

    Live Chat
  • Gold and Silver Mining in Mexico wealthdaily

    As the bull market for gold and silver continues to power forward, I have been spending more and more time looking at mineral companies working in the mining friendly country of Mexico.

    Live Chat
  • What country has the highest density of gold ore deposits

    Aug 28, 20140183;32;The place with the highest concentration of gold per square mile on the planet is north central Nevada, USA. In an area only 100 miles square (10,000 square miles), over 200 million

    Live Chat
  • Mineral deposit Britannica

    Mineral deposits are what prospectors seek. The terms ore mineral and mineral deposit were originally applied only to minerals and deposits from which metals are recovered, but present usage includes a few nonmetallic minerals, such as barite and fluorite, that are found in

    Live Chat
  • Wisconsin Geological amp; Natural History Survey 187; Silver

    Silver. It is associated with gold, and a variety of sulfides such as galena, pyrite and acanthite. Major silver mineralization is found with native copper in nearby Michigan at the White Pine Mine and further north in the Keweenaw Peninsula. Similar deposits are not known from equivalent bedrock in Wisconsin.

    Live Chat
  • Silver Springs, Nevada Mining Claims And Mineral Deposits

    Silver Springs is a census designated place (CDP) in Lyon County Nevada United States at the intersection of U.S. 50 (California Trail) and U.S. 95A. The population was 5296 at the 2010 census. Lahontan Reservoir Lahontan State Recreation Area and

    Live Chat
  • 7 Places in Nevada Where You Can Still Pan for Gold and Silver

    7 Places In Nevada Where You Can Still Pan For Gold And Silver. Even though Nevada is known as the Silver State, it produces nearly two thirds of the countrys gold. In fact, some of the largest gold nuggets in North America have been found in Nevada.

    Live Chat
  • where can valuable mineral deposits such as gold form

    a surficial mineral deposit formed by the concentration of small particles of heavy minerals, as gold, rutile, or platinum, in gravel or small sands. the site of a form of mining (placer mining) in which a placer deposit is washed to separate the gold or other valuable minerals.

    Live Chat
  • Descriptive models for epithermal gold silver deposits

    Historically, these deposits have been an important source of gold and silver and are estimated to contain about 8 percent of global gold. The wide range of tonnage grade characteristics makes epithermal gold silver deposits an attractive target for small

    Live Chat