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what are the names of rocks which contains gold? , - Know More

Sep 17, 2008 0183 32 Best Answer The general name is auriferous Gold is a very stubborn element when it comes to reacting to or combining with other elements There are very few true gold ores, besides native ie metalic gold, because it forms a major part of only a few rare minerals, it is found as little more than a ....

How to Find Gold in Quartz Sciencing - Know More

Look for gold and gold-containing quartz rocks in areas where volcanic hydrothermal activity has taken place in the geologic past These areas include the regions around old gold mines and rock outcrops upstream from placer gold deposits where gold has eroded out of its bedrock, washed downstream and accumulated in and near stream ,...

Gold Prospecting - Know More

A guide to finding gold deposits for prospectors, geologists, rock hounds the novice Gold prospecting methods that are proven to work...

The Geology of Coarse Gold Formation - Know More

It is a fact that many of the well-known placer districts of the western US have as their source of gold small veins which contain sparse pockets of coarse gold This is the main reason why many rich placer districts have seen little or no hard rock mining, because these small veins were difficult for old timers to find and work profitably...

Minerals in Britain - Know More

altered rocks and chert sinters contain gold, arsenic and antimony and are also locally enriched in tungsten, molybdenum and mercury Alluvial gold is widespread in the Ochil Hills of central Scotland The highest concentrations are in Borland , Minerals in Britain Gold ....

hard rocks that contain gold - Know More

hard rocks that contain gold As a leading global manufacturer of crushing, grinding and mining equipments, we offer advanced, reasonable solutions for any size-reduction requirements including quarry, aggregate, and different kinds of minerals...

What rock contains gold? Yahoo Answers - Know More

Jun 19, 2013 0183 32 Best Answer Nearly all rocks contain trace amounts of gold Furthermore, gold mining technology has progressed to the point where nearly all the world s gold mines extract gold from rocks containing amounts just slightly above trace However, if you have to pick one, then igneous...

slate rock containing gold - Know More

Pale gold containing more than 20 per cent silver corresponding to about 20-carat gold or less , in volcanic rocks or in regions of black slate, , ยป More detailed California Gold vein formation, Rich gold quartz ore...

Extracting gold from rock - Know More

Information on how to extract gold from rock, , Extracting gold from rock Updated Tuesday 27th February 2007 , We may delete posts that are rude or aggressive or edit posts containing contact details or links to other websit For further information, take a look at our frequently asked questions which may give you the support you ....

small scale rock containing gold crushing - Know More

small crushing rocks for the gold machine - small scale rock containing gold crushing , Videos for how to crush gold rocks crushing the small scale mining small mini portable gold ore pulverizer is ....

Classroom Resources - Know More

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...

Geology of Gold Mineralization How Gold Deposits , - Know More

Most byproduct gold has come from porphyry deposits, which are so large that even though they contain only a small amount of gold per ton of ore, so much rock is mined that a substantial amount of gold is recovered...

Gold Mixed with Quartz - Know More

Gold mixed with quartz It has been there all along waiting for you to find In Part Two Gold Mixed with Quartz Extraction I will show you the most popular and effective ways to extract gold from quartz rock...

Gold in Colorado - Know More

The low-grade mineralization commonly contains microcrystalline native gold attached to pyrite and was deposited in permeable host rocks and/or microfractures adjacent to the narrow, high-grade structur...

Volcanic Minerals - Know More

The solutions probably contain only a few parts-per billion gold but great volumes of solution can precipitate their gold in a small zone with favorable chemical conditions The deposit itself is usually a quartz vein that carries the gold or adjacent altered rock...

Geology of gold - Know More

Pale gold containing more than 20 per cent silver corresponding to about 20-carat gold or less has been called electrum Trace amounts of copper, iron and palladium can also substitute in gold...

which kind of rocks contain s gold? help ,and what are , - Know More

Jun 13, 2008 0183 32 Gold nuggets can form in quartz veins in metamorphic rocks during mountain building Or it can form in sedimentary rocks after erosion and river transport Gold is often found with silver...

What are aspects of rock that may contains gold? - Know More

Mar 26, 2013 0183 32 What are features of rock that may contains gold? Colour,weight,surface etc...

quartz rock containing gold - Know More

How to Find Gold in Quartz eHow Look for gold and gold-containing quartz rocks in areas where volcanic hydrothermal activity has taken place in the geologic past These areas include the , These areas include the ....

Underground mining hard rock - Know More

Underground hard rock mining refers to various underground mining techniques used to excavate hard minerals, usually those containing metals such as ore containing gold, silver, iron, copper, zinc, nickel, tin and lead, but also involves using the same techniques for excavating ores of gems such as diamonds or rubi Soft rock mining refers to ,...

rocks containing gold - Know More

Gold-containing rocks are crushed for several reasons Firstly crushing reduces the physical size of large rocks, exposing more surface area of rock, ....

metal, iron, nickel in meteorites 1 - Know More

Iron-nickel means that the metal is mostly iron but it contains 4-30 nickel as well as a few tenths of a percent cobalt Iron-nickel metal in meteorites also has high concentrations by terrestrial standards of rare metals like gold, platinum, and iridium...

Geologic units containing Quartzite - Know More

The argillaceous and sandy or quartzitic rocks are commonly slightly calcareous The dominantly carbonate-rich rocks contain molar tooth or segregation structur , PHYLLITIC SILTSTONE, LIMESTONE, AND DOLOMITE-Includes Prospect Mountain Quartzite, Osgood Mountain Quartzite, and Gold Hill Formation in northern Nevada, and Stirling Quartzite ....

Characteristics of Gold - Know More

The country rock here in the gold belt here in Tennessee is typically shale or siltstone, which has been intruded by quartz veins and stringers of hydrothermal origin, and the quartz veins do contain gold...

gold from crushed rock containing gold - Know More

gold /screening crushed rock - , F A Q - British Columbia Stone, Sand and Gravel Association- gold /screening crushed rock,BCSSGA Sand and gravel and Crushed Rock - products of the trade for Generally, a pit contains loose sands and gravels that are directly excavated, screened, recreation centers, sports fields, golf courses sand traps, landscape rock,Testing Ores for Free Gold ,...

General Types of Gold Deposits - Know More

In nature, gold occurs predominantly in the native state or as a major constituent of various alloys containing mainly silver, copper, or platinum metals Several gold and gold-silver tellurides are known, of which the most common are sylvanite, calaverite, petzite, krennerite, and nagyagite...

Geology of gold - Know More

Geology of gold Properties of gold , Pale gold containing more than 20 per cent silver corresponding to about 20-carat gold or less has been called electrum , the concentration of gold in ....

Do My Rocks Contain Gold? - Know More

Rocks containing iron pyrites or iron sulfides in any form should be examined closely, especially if the host rock containing pyrites shows evidence of heavy iron staining or sulfide oxidation Why? Simply because many gold ores are sulfide-based...

gold mining equipment rock crusher - Know More

Underground hard rock mining refers to various underground mining techniques used to excavate hard minerals, usually those containing metals such as ore containing gold, silver, iron, copper, zinc, nickel, tin and lead, but also involves using the same techniques for excavating ores of gems such as diamonds...

Which rocks contain metallic flakes resembling silver , - Know More

Nov 09, 2017 0183 32 Blaize asks I broke a marble/quartz?-looking rock and found a whole bunch of shiny flak They are small but they look almost like gold Some are more si....