what do gold or silver deposites

what do gold or silver deposites

Gold  Silver News   GoldSilver

Gold Silver News GoldSilver

May 28, 2019Gold and silver market moving news, curated from the best of GoldSilver's team and around the web. Check back often for updates, or subscribe to get the highlights in your inbox .

Forming Deposits  AMNH

Forming Deposits AMNH

Placer deposits form at Earth's surface when weathering action exposes gold from other, older lode deposits. The gold is swept into, and settles in, streams, lakes, rivers or the sea floor. Many placer deposits are of recent geologic age, but some are billions of years old.

Photos of Natural Silver Ore, Silver minerals, Crystal

Photos of Natural Silver Ore, Silver minerals, Crystal

In many deposits located in desert regions, silver sulfide minerals like acanthite (argentite), stephanite, and polybasite or oxidized by exposure to air and water into a silver chloride, also known as cerargyrite. as a result, this type of silver ore is only found near the surface. Once miners get down below the water table, this type of mineral and ore will disappear and only sulfides will be found

Buying Silver vs. Gold as an Investment   What's Better?

Buying Silver vs. Gold as an Investment What's Better?

The Gold Silver Ratio. If gold were to stay steady at todays prices, around $1,600 per ounce, the price of silver would have to rise to $58.65 per ounce, or almost double, in order for the ratio to return to 27.28. If the ratio were to go back to 16, the price of silver would have to rise to $100 an ounce.

What Does Gold Ore Look Like?  Sciencing

What Does Gold Ore Look Like? Sciencing

Apr 25, 2017Lode deposits of gold containing minerals are the result of volcanic activity, so minerals like quartz may appear near gold. Another type of gold ore is the result of cementing within hosts of sedimentary rocks after making its way down a river.

Bullion   Investopedia

Bullion Investopedia

Gold or silver bars or coins can be purchased from a reputable dealer and kept in a safe deposit box at home, in a bank, or with a third party depository. Also, you can purchase bullion in an allocated account at a bank which holds the bullion for the client. The client has full legal ownership of the gold.

Ore deposit  geology  Britannica

Ore deposit geology Britannica

The major ores of gold contain gold in its native form and are both exogenetic (formed at the Earths surface) and endogenetic (formed within the Earth). The best known of

Gold History of Use, Mining, Prospecting, Assay  Production

Gold History of Use, Mining, Prospecting, Assay Production

In pure form gold has a metallic luster and is sun yellow, but mixtures of other metals, such as silver, copper, nickel, platinum, palladium, tellurium, and iron, with gold create various color hues ranging from silver white to green and orange red.

What Does Gold Ore Look Like?  Sciencing

What Does Gold Ore Look Like? Sciencing

Apr 25, 2017Lode deposits of gold containing minerals are the result of volcanic activity, so minerals like quartz may appear near gold. Another type of gold ore is the result of cementing within hosts of sedimentary rocks after making its way down a river.

Silver Mining vs. Gold Mining The Dynamics Explained

Silver Mining vs. Gold Mining The Dynamics Explained

Silver Mining vs. Gold Mining The Dynamics Explained Jeff Nielson. The other reason why a $20/oz (USD) price for silver is not remotely sufficient to restore the worlds silver mining industry can be seen by looking at the (familiar) chart below of the Bernanke Helicopter Drop.

What Makes a World Class Silver Deposit?  Investing News

What Makes a World Class Silver Deposit? Investing News

Standard Types of Silver Ores Silver is almost always found in conjunction with gold. As gold is also a highly revered precious metal, the amount present greatly influences the economics of a mine. Lead silver mines supply the greatest portion of lead in the United States, however, do not offer much gold.

Mining Towns   Western Mining History

Mining Towns Western Mining History

Gold discoveries in the native american territory in the Black Hills of South Dakota would start a new gold rush in the late 1870s. Deadwood, South Dakota 1876 As electrification started in the United States, copper would become a valuable commodity and the great copper mining districts would rise to prominence, the greatest of them at Butte, Montana possibly the most valuable mining district in the

Storing And Protecting Precious Metals   JM Bullion

Storing And Protecting Precious Metals JM Bullion

Storing And Protecting Precious Metals After buying precious metals, customers are faced with the pivotal question of how to store and protect their new investments. Finding the proper storage for your gold or silver can be a very important decision given their significant value.

Silver mining in the United States

Silver mining in the United States

Silver mining in the United States. Three US mines had silver as their primary product, and 39 mines reported silver as a byproduct of gold and base metals production. Alaska was the countrys leading silver producing State, followed by Nevada and Idaho.

How Is Mercury Used to Purify Gold?  Sciencing

How Is Mercury Used to Purify Gold? Sciencing

Apr 24, 2017Gold dissolves in mercury similar to the way salt dissolves in water. Miners submerged their ore in mercury, which would take on the gold but not the other impurities. The mixture of mercury and gold would then be recollected and heated until the mercury boiled away.

Gold and Silver Mining in Mexico   wealthdaily

Gold and Silver Mining in Mexico wealthdaily

Gold and silver figure of an Aztec Warrior c. 14th century. During Spanish rule that lasted from 1521 to 1821, exploration and mining in Mexico advanced to the commercial level.

Division of Geology and Mineral Resources   Gold

Division of Geology and Mineral Resources Gold

Gold is a yellow, dense, and soft metal. Its chemical symbol is Au, and it is found most commonly as free gold in nature, often associated with quartz, pyrite and other sulfide minerals. It may be found as little more than a trace within other minerals, most notably tellurides, or may be alloyed to a small extent with other metals such as silver.

Eight Natural Geologic Signs Pointing Toward Gold

Eight Natural Geologic Signs Pointing Toward Gold

Correct Topography As a general concept, the coarser gold does tend to hang up farther upstream. In the deserts, most of the best residual placers form in areas with moderate to flat slopes. Extensions of Known Mineral or Placer Areas Other than pipe shaped bodies, most small scale gold deposits have a linear component. It is fairly common

Geology of Gold Mineralization  How Gold Deposits are Formed

Geology of Gold Mineralization How Gold Deposits are Formed

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. Placer deposits represent concentrations of gold derived from lode deposits by erosion, disintegration or decomposition of the enclosing

An Overview of Epithermal Gold Deposits  Investing News

An Overview of Epithermal Gold Deposits Investing News

Epithermal deposits are a type of lode deposit. They contain economic concentrations of gold, silver and in some cases base metals such as copper, lead and zinc. Like other lode deposits, the minerals in epithermal deposits can be disseminated throughout the orebody, though more often they are contained in a network of veins.

Should You Invest in Gold or Silver?

Should You Invest in Gold or Silver?

Does it matter whether it's gold coins, silver certificates, or platinum bullion? Not really; the flaws of one are the flaws of the other. If you've already figured out why not to invest in silver, the same arguments suggest why not to invest in gold, platinum, diamonds, or whatever

Gold and silver mines for sale, lease, or joint venture.

Gold and silver mines for sale, lease, or joint venture.

GoldAndSilverMines lists choice proven mining and mineral properties for sale worldwide. We specialize in gold mines, silver mines, copper mines, and a wide variety of industrial minerals including coal, oil and gas. It is our desire to assist both buyers and sellers to secure a

Metallic Deposits   CliffsNotes

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.

Geology of Gold Mineralization  How Gold Deposits are Formed

Geology of Gold Mineralization How Gold Deposits are Formed

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. Placer deposits represent concentrations of gold derived from lode deposits by erosion, disintegration or decomposition of the enclosing

Gold Deposit Classification List of 10 Types of Gold Deposits

    Pegmatites are igneous rocks formed in the final stage of magma crystallization. Porphyry Dyke.
Epithermal Gold Deposits  Geology for Investors

Epithermal Gold Deposits Geology for Investors

High sulphide deposits. As the name suggests, high sulphide deposits tend to be more sulphide rich; containing pyrite (iron sulphide), enargite (copper arsenic sulphide) as well as gold and silver. They appear to be genetically and spatially linked to deep seated porphyry copper gold deposits.

General Types of Gold Deposits   Mining Directory

General Types of Gold Deposits Mining Directory

Several gold and gold silver tellurides are known, of which the most common are sylvanite, calaverite, petzite, krennerite, and nagyagite. The antimonide, aurostibite, AuSb2, occurs in some auriferous deposits, and there is also an argentiferous gold selenide, fischesserite, Ag3AuSe2, an argentiferous gold sulfide, uytenbogaardtite, Ag3AuS2, and a bismuthide, maldonite, Au2Bi, which is

Gold Mining Stocks vs. Physical Gold Bullion  Telling the

Gold Mining Stocks vs. Physical Gold Bullion Telling the

Also, when gold and silver stocks are being clobbered mercilessly, premiums on many types of commonplace gold and silver bullion products (such as American Eagles) generally soar. In a true panic that incites a run on the physical retail market, physical gold and silver coins, bars, and rounds will be the direct beneficiaries, not mining stocks or ETFs.

Prospecting Encyclopedia Geology of how Gold Deposits

Prospecting Encyclopedia Geology of how Gold Deposits

Geology of mines with deposits of Gold and Silver formation of the deposits in the earth Nevada Outback Gems. Rockhound, American Gems. The Geology of Gold Deposits. Interested in the geology of gold mines and deposits, including how and where they form? This is my page of information on gold geology.

Small scale mining, some info   Mine Engineer.Com

Small scale mining, some info Mine Engineer.Com

Small Scale Mining Info. Gold, and silver were generally deposited by either volcanic, or molten metal laden material flowing up through the fissures of the earth, or in some cases by hydrothermal "steam" flowing from deeper in the earth. Both carried the metals and minerals towards the surface, or deposited them along the way.