• What Really Happens When Lightning Strikes Sand | Discover ...

     · When the lightning perfectly strikes the sand, it branches through it like the root system of a tree to make this beautiful anomaly. But that simple fact is key to getting to the root of the viral photo: The lightning creates a tube of glass through the ground, not above it. You can actually see the impact hole when it occurs in rock.

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  • sand

    sand, mineral, rock, or soil particles that range in diameter from to 2 mm (– inch). Most of the rockforming minerals that occur on the Earth's surface are found in sand, but only a limited number are common in this form. Although in some localities feldspar, calcareous material, iron ores, and volcanic glass are dominant constituents of sand, quartz is by far the .

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  • Thisissand

    Thisissand is a unique playground for creating and sharing amazing sandscapes on your computer or mobile device. Start pouring away to experience this special sand piling on .

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  • Gravel Calculator

    Rock fragments are typically classified based on the size of the individual pieces that make up the aggregate. For example, sand is made up of rock fragments smaller than those in gravel, while gravel is smaller than cobbles, and cobbles are smaller than boulders. Size classifiions of rock fragments (and gravel) can vary.

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  • Oil Shale and Tar Sands

     · Unconventional for a Reason. Oil shale is a form of sedimentary rock that contains kerogen, which is released as a petroleumlike liquid when the rock is heated. Tar sands are a combination of clay, sand, water and bitumen, which is a heavy hydrocarbon. Like the kerogen in oil shale, tar sands' bitumen can be upgraded to synthetic crude oil.

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  • The 10 Most Underrated Countries For Tourists

     · However, some countries with greater potential and attractions like Georgia, Iran, Lebanon, and Sri Lanka do not see as many visitors as they deserve. Here are some of the most underrated countries for tourist and why they are underrated. 10. Iran. Tourists at Persepolis UNESCO World Heritage Site, Iran.

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  • A sand shortage? The world is running out of a ...

     · Sand is the primary substance used in the construction of roads, bridges, highspeed trains and even land regeneration projects. Sand, gravel and rock crushed together are melted down to make the ...

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  • Info

    The World's Largest Salt Flat. Salar de Uyuni is one of South America's most phenomenal attractions. The vast expanse of white, glistening salt stretches across 10,582 kilometers of the Altiplano and can even be seen from space.

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  • The 5 Most Dangerous Roads in South ...

     · The 5 Most Dangerous Roads in South America. Calling all thrill seekers and adventure enthusiasts! From the Yungas Death Road in Bolivia to Route 319 in Brazil, check out the MOST dangerous roads in South America and everything you need to know before you go!

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  • Pholisma sonorae aka "Sand Food" – Tecopa, California ...

     · Through its scaly spine, sand food absorbs water, which it shares with the host plant in times of drought and stress. On the surface, it grows a gray mushroom cap, that looks like a rock, and then ...

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  • Make a River! Easy Imaginative Play in the Sand Pit.

     · Rocks; Sticks; Bark; Some gum leaves and mint for tree; A few plastic bottle caps for boats. To make the river actually hold water, we lined the narrow trench the boys had dug with some foil. You need to be careful when pushing the foil into the sand so you don't make holes or tear it, but if that does happen, just add an extra layer of foil ...

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  • How to Find Water in the Desert (with Pictures ...

     · The easiest way to find water in the desert is to follow any birds or bees to a loion that might have water, like a shaded canyon or valley. Once you've found a likely spot, dig 1 foot into the soil in the early morning, and wait for the area to get damp.

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  • In pictures: The world's largest salt flat in Bolivia ...

     · In the world's biggest salt desert, measuring 12,000 sq km (4,635 sq miles), the ground at certain times of the year resembles a giant mirror. In the remaining months, it is more like an immense ...

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  • Manufactured Sand (MSand) for Concrete Properties and ...

    MSand is obtained from specific hard rock (granite) using the stateoftheart International technology, thus the required property of sand is obtained. MSand is cubical in shape and is manufactured using technology like High Carbon steel hit rock and then ROCK ON ROCK process which is synonymous to that of natural process undergoing in river sand information.

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  • Are You Mining Minerals for Cement, or for Concrete?

     · Cement is the grey powdery stuff that when mixed with sand, rock, gravel and water forms concrete. The concrete is the final product used in buildings, roads, infrastructure, etc. You can think of cement as the "glue" that holds the sand and gravel and rebar (reinforcement bar) together to make concrete.

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  • From Sand to Silicon

    Sand / Ingot Sand With about 25% (mass) Silicon is –after Oxygen –the second most frequent chemical element in the earth's crust. Sand – especially Quartz has high percentages of Silicon in the form of Silicon dioxide (SiO 2) and is the base ingredient for semiconductor manufacturing. Melted Silicon – scale: wafer level (~300mm / 12 ...

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  • Pink Sand Beach

    PINK SAND BEACH. Harbour Island is most renowned for its beautiful Pink Sand Beach, loed along its eastern Atlantic Ocean side. It almost seems endless, stretching for some three plus miles, and it is 50 to 100 feet wide. Considered one of the very best beaches in The Islands of The Bahamas, it was featured in The Travel Channel's World's ...

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  • Sand Types

    However, sand is a highly variable substance and therefore it is definitely possible to make an attempt to classify it into separate egories. Nine sand samples above represent nine different sand types. Row by row from left to right: 1. Glass sand from Kauai, Hawaii 2. Dune sand from the Gobi Desert, Mongolia 3.

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  • Why have beach sands different colors?

    Remember, sand is simply the product the erosion of the rocks rubbing each other under the action of the waves. So if the bottom of the ocean is made of black lava (as in Hawaii) you will have a good chance if the beach is an old beach that it will have a lot of black sand coming from the rubbing the lava rocks or sea shells under the action of the surf and the waves.

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  • The 'miracle mineral' the world needs

     · You can't grow crops without phosphorus. To get it, farmers often rely on expensive, frequently unavailable fertiliser. But there could be a better – and easier – way.

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  • How to Construct Houses With ...

    This instructable tells you how to build a pavilion with these bottles. first step is to collect as many discarded plastic bottles as you can..They can be of various capacities. step is to find a place where you can get a hell load of dry sand (finer,the better). process is to take the bottles, fill them with sand, sealed and then paste them with a mixture made of earth ...

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