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5-4-2011Basically gold will be found in/near it's quartz matrix the country rock enclosing the quartz may be slate schist greenstone porphry granodiorite and others depending where your at Get the mines and minerals report for your county of interest and a very good starter book is Handbook for prospectors by Gold bearing Rock identification
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10-9-2017Rocks: Igneous Metamorphic and Sedimentary smoothed and polished in a rock tumbler Quartzite Geology Tools - Hammers field bags hand lenses maps hardness picks gold pans Geology Dictionary Geology Dictionary - contains thousands of geological terms with their definitions
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In geology pictures of rocks can be used to help you best determine which of the three major types a particular rock belongs to: igneous sedimentary or metamorphic By comparing your rock sample with photographic examples you can identify key characteristics such as how the rock was formed what minerals and other materials it contains and where the rock may have
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This page is dedicated to the gold that's still attached to quartz or a host rock This type of gold is highly desired in the mineral collecting community Gold/Quartz specimens are in a completely different league of their own Remember the specific gravity of quartz is 2 65 times heavier than water whereas pure gold is 19 3 times heavier
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1-5-2020Gold-bearing quartz vein Shotover Otago Gold occurs with quartz reefs or veins in cracks in the rock (mainly schist) Deposits are generally small (10 m scale) localised irregular and deposit locations are difficult to predict
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Trying to figure out exactly where you can and can't prospect for gold within Victoria's creeks and rivers can get a little confusing Victoria has a list of exempt rivers and streams - a list of all the rivers and creeks you are not allowed to prospect in which is unfortunately very long When checking out creeks and rivers for gold prospecting the first thing you should do is refer to that
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Many of the waterways of Colorado are gold bearing and carry flood gold downstream during high water seasons As many placer gold prospectors quickly learn flood gold accumulates in cobble bars Studying the details of how gold accumulates in a cobble bar will dramatically increase gold production for casual prospectors
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Finding Gold in Quartz One way that gold prospectors look for gold is too try and locate its source the place where to gold forms in the earth In epithermal gold deposits it is quite common for sizable gold veins to run through quartz rock and these specimens can be
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Certain types of soil and rock formations are more likely to be gold-bearing due to environmental and geological processes Gold is relatively rare but it occurs in various types of soils and environments particularly those that have been shifted or compacted by the action of water ice volcanoes and Earth's tectonic plates
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24-6-2018Could this be gold bearing formation?(photos) User Info Username: If you can find pictures of ore/deposits with known gold in these reports that can also be helpful - After reading many reports from many different areas gold can appear in almost any type of rock
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Rhyolite: A pink specimen of rhyolite with numerous very tiny vugs with some evidence of flow structures The specimen shown here is about two inches across Igneous rock composition chart: This chart shows that rhyolite is typically composed of orthoclase quartz plagioclase micas and amphiboles
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Cleaning Quartz with commercially prepared reagents containing small amounts of bifluoride Here is a quartz cleaning technique that was suggested and documented by Mindat member Nik Nikiforou that appears to be so practical and good we are presenting it here for all Mindat members
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The gold- and silver-bearing copper ores exhibit great differences in form and age neither do all the occurrences yield much gold or silver and moreover they are of more importance as gold producers silver being less often associated with the copper 3
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It is likely hundreds of rough diamonds were also discarded by gold prospectors not knowing what diamonds looked like and others likely are in private rock hound collections waiting for someone to discover the gemstone To begin a search for diamonds focus on kimberlites in cratons Cratons are very old continental cores
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Removing the gold-bearing rock from the ground is just the first step To isolate pure gold mining companies use a complex extraction process The first step in this process is breaking down large chunks of rock into smaller pieces At a mill large machines known as crushers reduce the ore to pieces no larger than road gravel
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I have been unable to find a clear and simple list of gold-bearing creeks and rivers in Victoria where you can prospect so I have put a few of the main ones together here I'm hoping this list will make it a bit easier for people when they first start looking into which creeks you are allowed to visit for gold panning and sluicing
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24-6-2018Could this be gold bearing formation?(photos) User Info Username: If you can find pictures of ore/deposits with known gold in these reports that can also be helpful - After reading many reports from many different areas gold can appear in almost any type of rock
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5/18/2015Of course there are different kinds of accessible gold deposits This precious metal has been found in streams in the sides of rock outcroppings and of course under the earth At different times in the earth's history hot fluids circulated through gold-bearing rocks and because of the weight and chemical properties of the gold the gold
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when early prospectors staked gold bearing quarts veins and silicified sandstone outcrops known at the time as reefs Initial gold production Cannon Gold Mine concentrate dryed This is a ore sample The dryed black fairly cleary to which this rock is made of gold!
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Gold in Granite Plutonic Rocks Previous Next metals are perhaps as good evidence as we need of the diffusion of gold and silver in the mass of the adjoining country-rock or at least that solutions bearing these metals may traverse the rocks by osmosis or otherwise
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In most gold bearing veins the gold does not form into well-developed crystals Unlike quartz which often forms good crystals gold requires a very specific set of circumstances to grow into good crystal shapes Few gold deposits produce good crystal specimens as most gold forms naturally as irregular masses and lumps
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