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2001-3-16sedimentary rock-hosted gold deposits in pr china these breccia bodies are conformable with stratigraphic units in the host rock an example of this is the shuangwang gold deposit fan sc and jin qh 1994 which is a large carlin-type gol...
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2011-4-5basically gold will be found innear its quartz matrixthe country rock enclosing the quartz may be slateschistgreenstoneporphrygranodiorite and others depending where your atget the mines and minerals report for your county of interest and a...
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2012-4-17gold in igneous sedimentary and metamorphic rocks by robert s jones abstract gold analyses were compiled for about 50 rock types of which more than 50 percent are igneous about 30 percent are sedimen tary and the rest are metamorphic the ana...
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2014-6-22the character of the rock which the vein traverses is often variable for the gold-bearing veins appear in either igneous or sedimentary rocks sometimes at the contact zone between igneous and sedimentary rocks little influenced by the characte...
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2014-6-22the 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...
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2016-9-19does not even know that the cannon gold mine existed in wenatchee or its massive underground process to find gold bullion in wenatchee this website was made to show the history of the cannon gold mine and its operations in the wenatchee washing...
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2017-9-11photographs and information for a large collection of igneous metamorphic and sedimentary rocks geologycom...
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2018-6-24re could this be gold bearing formationphotos reply 1 on june 17 2018 085813 pm hiborswelcome to the sitetakes 2 posts to become a membernice picsgood chance you got gold but you got to pan the fine material to see if anything shows or cru...
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2020-5-15crushing the rock crushing the gold bearing rock is not as simple as it sounds we cant just hit it with a hammer because pieces will fly everywhere and we may lose some of our gold what we need is a very strong container and bash plate that wa...
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2020-5-18man knew more about gold itself and lusted for it much before he understood the geology of hard rock gold or its deposits man had to learn about hard rock extraction methods and how to locate those gold deposits just to satisfy the thirst for th...
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2020-5-24historic mining of schist-hosted gold has exposed arsenic-bearing rock and discharged arsenic-bearing tailings to a stream which has now become a wetland arsenic in soil and wetland sediment is strongly elevated to 1000 mgkg above regional backg...
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2020-5-30in the gold-bearing region of northern sonora mexico the gold-veins are chiefly in or closely associated with granitic and plutonic rocks the veins of el grupo concession about 100 miles southeast of tucson arizona traverse a fine-grained g...
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Another hypothesis suggests that gold-bearing solutions may be expelled from magma as it cools precipitating ore materials as they move into cooler surrounding rocks this hypothesis is applied particularly to gold deposits located in or near masses of g...
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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 s...
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Gold bearing quartz ore combination of quartz iron gold from the san gregorio mine uruguay gold mine several pieces of gold two you can see ontop others not shown on the pictures approximate size 39mm x 30mm x 17mm actual item...
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Gold feels heavy like a lead fishing weight when you hold a placer nugget in the palm of your hand however weight alone is not enough to identify real gold in a rock as an amateur you can test a rock for gold in several ways...
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Gold geology and ground color changes color changes in the soil are another indicator of a contact point depending on how much bedrock is exposed in an area you may or may not be able to easily identify contact points where different rock types come t...
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Gold in quartz is one of the most collectable forms of natural gold unlike gold dust and nuggets gold bearing quartz is still encased in the quartz rock creating a natural high contrast display of beautiful gold with white quartz mineral collectors wi...
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How to find gold using rocks black cubes lead and pyrite in gold-bearing placers this is because its a heavier than average mineral containing iron and sulfides rob lavinsky irockscom i rocks is not really about how to find gold but it is a...
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Identifying gold bearing ore just by visual inspection can be very difficult or even impossible depending on the concentration of the gold within the rock many ores that contain gold contain other metallic metals in them also so there are likely to be...
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In this index youll find pictures of minerals like those youll most likely encounter in your expeditions this list starts with the handful of common minerals called the rock-forming minerals followed by the most common accessory mineralsyoull find them...
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Mariposite is a green chromium-bearing variety of phengite first described in 1868 from the mother lode country of california where it is associated with gold-bearing quartz veins and serpentinite precursors it generally is massive in habit with a wax...
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Rock contact zones and faults many quartz veins and other hard rock gold deposits occur in zones along faults or at the contact of two different types of rock correct topography as a general concept the coarser gold does tend to hang up farther upstream...
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The color of pure gold is bright golden yellow but the greater the silver content the whiter its color is much of the gold mined is actually from gold ore rather then actual gold specimens the ore is often brown iron-stained rock or massive white qua...
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