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What Makes Gold So Valuable?

Sep 02 2015Where Does All Earth's Gold Come From? analyses of some of the oldest rock samples on Earth provides clear evidence that the planet's accessible reserves of precious metals Get price

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The Geology of Rare Earth Elements

The estimated average concentration of the rare earth elements in the Earth's crust which ranges from around 150 to 220 parts per million (table 1) exceeds that of many other metals that are mined on an industrial scale such as copper (55 parts per million) and zinc (70 parts per million) Get price

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A Forecast of When We'll Run Out of Each Metal

Sep 04 2014There is much gold in the oceans of the world (economical recovery is another matter) so much so that more gold is in the waters of the oceans than is currently above ground on land! In fact as a "heavy metal" the world has a HUGE amount of gold – best guess 99% of Get price

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Where did precious metals come from

Gold silver and platinum have been called precious metals because they are metals and were used to make coins (money) in the days when money had to be made of something that was considered to Get price

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2011: Where gold comes from

Sep 07 2011In fact there are enough precious metals in the core to cover the entire surface of the Earth with a four metre thick layer The removal of gold to the core should leave the outer portion of the Earth bereft of bling However precious metals are tens to thousands of times more abundant in the Earth's silicate mantle than anticipated Get price

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Where does gold come from?

Most people assume that gold and other heavy metals were formed inside our planet way back when the Earth was still a mass of molten rock But here's the problem Gold is heavy Get price

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Precious Metal Ores Gold Platinum Silver and Copper

Images and Information on Precious and Base Metal Ores: Platinum is sometimes present in small amounts in certain copper ores as well Copper ores come in both oxide and sulfide forms and both types are important copper ores across the world Primary sulfide minerals like chalcopyrite and bornite are fairly common Get price

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Astronomers strike cosmic gold confirm origin of precious

Oct 16 2017Astronomers strike cosmic gold confirm origin of precious metals in neutron star mergers Less than 11 hours later observers caught their first glimpse of visible light from the source It was localized to a known galaxy NGC 4993 situated about 130 million light years from Earth in the direction of the constellation Hydra Get price

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Where exactly does our galaxy's gold come from?

"About four billion years ago during a period called the 'late veneer ' meteorites flecked with small amounts of precious metals—gold included—hammered the nascent Earth Get price

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Earth's Gold Came From Colliding Stars

Jul 17 2013Earth's Gold Came From Colliding Stars Some other estimates put this amount at slightly more or less but the bottom line is that there really isn't all that much gold available in Earth's crust which is partly what makes it (and other "precious" metals) so valuable Get price

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Huge gold discovery—astronomers can confirm how precious

Oct 17 2017near Kalgoorlie Australia The origin of gold and other precious metals in the universe has finally been confirmed after a gravitational wave collision was seen and heard in its entirety for the first time by thousands of astronomers around the globe several of Get price

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The Earth's most precious metals arrived on meteorites

Sep 07 2011The Earth's accessible reserve of precious metals is the lucky serendipitous result of a 200 million year old meteorite bombardment a University of Bristol study has found When the Earth was Get price

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Google Answers: precious metals in sea water

May 11 2004Re: precious metals in sea water Elements that are essential nutrients or are used to form hard parts of organisms (e g P Fe N Si) are usually have very low dissolved concentrations in surface seawater These elements are sequestered in particulate matter (fecal pellets dead organisms etc ) in the surface ocean Get price

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Your old phone is full of untapped precious metals

Oct 18 2016Your old phone is full of untapped precious metals There's gold platinum and other valuable materials in every phone – the hard part is getting it out This story is part of a series inspired by the subjects and speakers appearing at BBC Future's World-Changing Ideas Summit in Get price

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How is Gold Formed and How Did It Get Here?

Over the billions of years it took to form the earth that gold along with most other metals given to us by the sun has sunk to the magma core of our planet There is enough gold in the center of the earth to cover the surface with a 1 5-foot-thick layer If you combine all Get price

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Where does all Earth's gold come from? Precious metals the

Sep 09 2011This took with it the vast majority of the planet's precious metals -- such as gold and platinum In fact there are enough precious metals in the core to cover the entire surface of Earth with a four-metre thick layer The removal of gold to the core should leave the outer portion of Earth bereft of bling Get price

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The Most "Precious" Precious Metals in the World

Gold has remained one of the most widely accepted precious metals for investment In fact it was used as currency before our present monetary system came into being Even now gold retains its position as one of the most investible precious metals of all – as it has existed for thousands of years symbolizing wealth and prosperity Get price

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Huge gold discovery—astronomers can confirm how precious

Oct 17 2017Such a collision or kilonova is thought to have created many of the heavier elements in the universe including almost all the precious metals—gold silver platinum and uranium among them Get price

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The Ocean Could Be the New Gold Rush

Jul 13 2016Precious metals such as gold silver and copper are also attractive targets So are useful metals like zinc and manganese as well as rare earth materials such Get price

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Where does all the gold come from?

Sep 07 2011In fact there are enough precious metals in the core to cover the entire surface of the Earth with a four metre thick layer The removal of gold to the core should leave the outer portion of the Earth bereft of bling However precious metals are tens to thousands of times more abundant inGet price

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List of All Tradeable Precious Metals

List of All Tradeable Precious Metals There's a limited amount of palladium platinum gold and silver buried in the earth Mining the ore is expensive and labor intensive with no guarantee of success Precious metals are found in everyday things from light switches and solar panels to cars and jewelry Get price

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The 5 Most Precious Metals on Earth

Apr 03 2018Metals play a key role in our day-to-day lives We all know about Gold and Platinum but do you recognize the others and identify their uses? Here are 5 of the most precious metals in the world Get price

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Where does all the gold come from?

Sep 07 2011In fact there are enough precious metals in the core to cover the entire surface of the Earth with a four metre thick layer The removal of gold to the core should leave the outer portion of the Earth bereft of bling However precious metals are tens to thousands of times more abundant inGet price

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How rare are precious metals?

Aug 24 2016Gold silver platinum and even the unusual precious metals like osmium are all metals (in a chemical sense) and naturally occurring Unstable elements that must be created in a lab (typically by fusing or irradiating other elements) can never count as precious metals Get price

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How a Handful of Countries Control the Earth's Most

While the global market for ever more sophisticated tech gadgets grows the metals and minerals that make them go are controlled by a handful of countries U S : Beryllium — a toxic light metal with high melting point and strength — is used in computer and telecom products as well as home appliances automotive electronics and medical equipment The bulk of the world's beryllium is mined in Utah and Get price

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Wait Gold Came From Ancient Asteroids?!

Jul 19 2016"The precious metals that we see on Earth today may be largely heavenly in nature coming from the sky billions of years ago scientists now find All The Gold We've Mined Came From Space Get price

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Did Earth's precious metals come from an asteroid impact?

Nov 07 2016Earth has an abundance of precious metals such as gold and silver The high proportion of these has led some scientists to speculate the metals did not originate on the planet Get price

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Gold: History of Use Mining Prospecting Assay Production

Mercury (quicksilver) has a chemical affinity for gold When mercury is added to gold-bearing material the two metals form an amalgam Mercury is later separated from amalgam by retorting Extraction of gold and other precious metals from their ores by treatment with mercury is called amalgamation Get price

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Gemstones and Precious Metals

Precious metals are rare naturally occurring metals with great economic value The most well known precious metals are gold platinum and silver Gold and platinum each make up about 0000005 of one percent of the Earth's crust Silver makes up only about 00001 of one percent Gold has played an important role in international finance for a Get price

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How Is Gold Formed and Where Does it Come From

May 18 2015Like the gold that is probably floating in the Earth's molten core most of this supply of the precious metal is inaccessible or simply too expensive to mine Interestingly gold has been discovered on all of Earth's continents except for Antarctica Of course it is possible that even that continent holds some gold under all of the ice Get price

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Recovering Gold and Precious metals from Circuit Boards

Oct 27 2010Most circuit boards contain all sort of precious metals: Gold Silver Palladium and sometimes Platinum All circuit boards contain base metals: Copper Nickel Aluminum Zinc Tin Lead and Iron As well small amount of hazardous elements like Beryllium Barium and others that has to be considered while processing scrap circuit boards Get price

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