Which rocks contain metallic flakes resembling silver and

09/11/2017 · Blaize asks I broke a marble/quartz?-looking rock and found a whole bunch of shiny flakes. They are small but they look almost like gold. Some are more silver in colour. Do you know what they might be? Can you help? « Last Edit 29/07/2017 183418 by chris » Logged chris. Naked Science Forum King! 7960; Activity 4.5%. Thanked 278 times; The Naked Scientist; Re Which rocks contain metallic

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"Man-made metal" found embedded inside ancient Geode

26/07/2017 · Depending on the size of the geode—the largest crystals can take a million years to grow. So how on Earth is there a metallic—apparently man-made—object embedded in one? Throughout the years, researchers, archaeologists and ordinary people have come across a wealth of documented artifacts that have been 'recovered' from very ancient sediment, coal seams, minerals, stones and even

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Chris Ralph, Professional Prospector

Fool's gold nugget embedded in rock; iron pyrite. CanStock

Fool's gold nugget download this royalty free Stock Photo in seconds. No membership needed. No membership needed. Fool's gold nugget embedded in rock; iron pyrite. CanStock

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Sedimentary Rocks National Geographic Society

22/10/2019 · Sedimentary rocks can be organized into two categories. The first is detrital rock, which comes from the erosion and accumulation of rock fragments, sediment, or other materials—categorized in total as detritus, or debris. The other is chemical rock, produced from the dissolution and precipitation of minerals. Detritus can be either organic or inorganic. Organic detrital rocks form when parts of

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Gold extraction Wikipedia

Gold occurs principally as a native metal, usually alloyed to a greater or lesser extent with silver (as electrum), or sometimes with mercury (as an amalgam).Native gold can occur as sizeable nuggets, as fine grains or flakes in alluvial deposits, or as grains or

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What does gold look like in rocks_ Gold bearing rock

02/06/2019 · What does natural raw gold look like in rocks? What does gold ore really look like? In this video you will learn about gold bearing rock identification. You

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How to Identify the 3 Major Types of Rocks

23/12/2018 · 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 come from.

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Mineral Resources

Mineral resources can be divided into two major categories Metallic and Nonmetallic. Metallic resources are things like Gold, Silver, Tin, Copper, Lead, Zinc, Iron, Nickel, Chromium, and Aluminum. Nonmetallic resources are things like sand, gravel, gypsum, halite, Uranium, dimension stone. A mineral resource is a volume of rock enriched in one or more useful materials. In this sense a mineral refers to

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How to Find Gold Veins & Gold Deposits in Rock Formations

It's possible, though, to identify formations of quartz that have embedded gold veins, extract the gold by hand, and sell the raw gold or make jewelry out of it. Unlike placer gold deposits in creeks and streams, above-ground gold veins can't be readily found in most states, so you'll need to do some online research to see whether or not prospectors have found veins of gold in your area in the past. As with gold

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Twenty-Five Gold Indicators You Should Know March

The concept of favorable host rocks is an important one, but the types of rock that constitute "favorable" can vary a lot from one location to another and can be significantly different. Rocks that break into flat slabs like schist or slate are very common productive rock types in many gold placer districts, but in other places the productive rock type can be quite different. This is an important one to learn for each of the

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