how does gold form in the earth

how is gold formed answers

30/04/2010· gold is an element and is formed in the core of large stars especially during a nova. on earth veins of gold are formed by separation from liquid rock after gravity agglomerates the molecules.

what does gold look like in nature? identify real gold

real gold in nature can come in many different forms not just as gold nuggets. it can also be crystalline mixed with quartz fine flakes and dust. gold look very different than most other minerals but many people still confuse it.

gold forms during earthquakes earth live science

earthquakes have the midas touch a new study claims. water in faults vaporizes during an earthquake depositing gold according to a model published in the march 17 issue of the journal nature

gold wikipedia

because the earth was molten when it was formed almost all of the gold present in the early earth probably sank into the planetary core. therefore most of the gold that is in the earth's crust and mantle has in one model thought to have been delivered to earth later by asteroid impacts during the late heavy bombardment about 4 billion years

forming deposits amnh

gold may occur as deposits called lodes or veins in fractured rock. it may also be dispersed within earth's crust. most lode deposits form when heated fluids circulate through gold-bearing rocks picking up gold and concentrating it in new locations in the crust. stone differences in the fluids

how is silver formed? reference

deep in the earth's crust silver is one of the important metals that can be found along with gold copper lead and zinc. it is formed by forming compounds with sulfur. due to hot temperature salty water called brine dissolves collects and concentrates silver into the brine. once the brine mixes with cold sea water the metal does not stay

how is gold made? ucsb science line

as these gas clouds collapse to form stars and planets (perhaps in part due to pressure waves caused by supernova explosions) the heavy elements get collected as well. then once a planet like earth is formed somehow geologic forces take over and process the gold into enriched forms until we find it. another possibility is that other elements

where is gold found in nature? reference

gold is found throughout the earth and the sea. there are natural spots on the earth that contain more amounts of gold. gold is commonly found within rock and granite in the earth. in its natural form gold is very irregular and not refined as it is normally seen in its finished state. gold is found in many forms. these forms include plates

did you know the gold in the earth's core could cover

world facts did you know the gold in the earth's core could cover the earth in a knee-high layer? because of earth's molten state following its creation

where did earth's gold come from?

27/10/2017· if gold is created in neutron star collisions how does this gold come to exist in planets such as earth? originally appeared on quora: the place

how the universe creates gold space earthsky

for the first time humans had seen alchemy in action the universe turning matter into gold. and not just a small amount: this one collision created at least 10 earths’ worth of gold.

how does gold form answers

22/07/2012· gold forms in the underground vents of volcanoes. the super hot gases rising from deep beneath the earth flow through natural 'pipes' carrying elements within

geology of gold mineralization & how gold deposits are

gold is relatively scarce in the earth but it occurs in many different kinds of rocks and in many different geological environments. though scarce gold is concentrated by geologic processes to form commercial deposits of two principal types: lode (primary) deposits and placer (secondary) deposits.

how does gold naturally form on earth's crust veins

where does gold originate and how does it actually form in nature? gold is not formed on the earth like diamonds and many other gems and minerals. instead most scientists now believe that gold actually came to earth from outer space in large meteorites that have struck the planet over billions of years. in fact most of the gold on earth is

how is gold formed and where does it come from

18/05/2015· gold isn’t truly formed—at least not on earth. gold comes from outer space. gold the shiny yellow metal prized for its beauty and malleability and used in many different industries is actually created inside massive stars when they explode into a supernova. of course after a star supernovas and forms gold the precious metal has to

classroom resources geoscience australia

rocks and minerals are all around us. we see and use them every day without even realising it. minerals are the building blocks of rocks. this booklet has been developed as an earth science companion for teaching primary and secondary level science in particular year 8 earth and space science. student activities are included.

how is gold formed? quora

26/12/2016· carl sagan answers this in detail in the ‘cosmos’ series. here is an excerpt: the matter in the known universe is made up of 74% hydrogen. in most of the stars we see hydrogen nuclei are being jammed together to form helium nuclei. every time a n...

where does gold come from? quora

08/11/2017· it originates in space. gold is actually created inside massive stars when they explode into a supernova. of course after a star supernovas and forms gold the precious metal has to travel to earth in some way. by studying ancient rock samples wi...

how is silver naturally formed? quora

silver forms naturally in supernovae exploding stars and diffuses as dust in the universe until it happens to come into the vicinity of a star-forming region where some of it falls into the accretion disk and ends up in a rocky planet like eart...

ore genesis wikipedia

various theories of ore genesis explain how the various types of mineral deposits form within the earth's crust.ore-genesis theories vary depending on the mineral or commodity examined.. ore-genesis theories generally involve three components: source transport or conduit and trap.

gold rises with molten rock live science

gold as well as other rare metals can be brought to the surface by plumes of molten rock from deep within the mantle the layer underneath earth's crust producing background levels of gold up

where does gold come from and how is gold formed?

31/10/2017· so where does gold come from and how is gold formed? through a process of astral recycling over billions of years. each of these elements are created from the conclusion of stars that have gone before it. through much transfiguration gold settled into the earth’s crust and will be discovered by us approximately in the 4th millennium. it will be given au as the stone symbol for gold

gold

gold deposits have formed at many different times during earth’s history. for example those in western australia are believed to have formed about 2400 million years ago during a period of

where does all the gold come from? phys.org

07/09/2011· during the formation of the earth molten iron sank to its centre to make the core.this took with it the vast majority of the planet's precious metals such as gold and platinum. in fact there

how gold is made and how it got to our planet

12/01/2015· on earth gold finally reached us some 200 million years after the formation of the planet when meteorites packed with gold and other metals bombarded its surface. during the formation of earth

bbc news does gold come from outer space?

19/09/2013· the idea that gold came from outer space sounds like science fiction but it has become well-established it's pretty much received opinion in the field of earth sciences.

where does all earth's gold come from?

the idea that gold came from outer space sounds like science fiction but it has become well-established it's pretty much received opinion in the field of earth sciences. ultra high precision analyses of some of the oldest rock samples on earth by researchers at the university of bristol provides

how is gold formed in the earth? yahoo answers

01/10/2008· the amount of gold in the earth has been constant since the earth was formed 4.5 billion years ago after the "big bang" (except for maybe a little bit that has left the earth on some deep space probes like explorer). a gold deposit is a natural concentration of gold where there is enough gold to mine at a profit. most gold deposits result from

where does all earth's gold come from? precious metals

09/09/2011· the research is published in nature.. during the formation of earth molten iron sank to its centre to make the core. this took with it the vast majority of the planet's precious metals -- such as

how is quartz formed? our pastimes

quartz can be formed naturally from the silica which collects in the earth. when silicon (si) and oxygen (o2) combine it will create silicon dioxide (sio2) which is quartz. for this reason quartz will form underground quite easily whenever a combination of oxygen and silica-rich solutions are present. the formation of quartz is generally at

where does gold come from? › dr karl's great moments

where does gold come from? the story of gold involves exploding stars asteroids bacteria earthquakes and lots of geology. dr karl digs back in time to when it all started.

how is gold formed american mining rights association

gold a simple metal. gold is a simple metal that’s anything but simple. gold held deep inside the earth over the centuries has the ability to draw out the latent desire of mankind. prospectors dig through dirt and stone to track down this elusive mistress. others simply buy gold for the ones they love in the form of fine jewelry