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No. Concrete is a man-made material composed broadly of cement, sand and aggregate (crushed rock).

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7y ago

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Can you pour concrete over existing rock?

Concrete need a uniform and compacted base, so as long as that rock is uniform and compacted, you should be fine.


Is concrete harmful?

Wet concrete is caustic- it will burn your skin. Concrete DUST is not good to inhale- it may contain silica. Solid, cured concrete is about as hazardous as a rock.


When lava cools down it creates a layer of ......?

rock - asphalt - concrete - ice


How much rock was Alcatraz made out of?

The prison on Alcatraz Island was made of concrete, not rock.


What is a type of concrete?

A concretion is a rock formed from sedimentary processes; therefore, it is a sedimentary rock.


Is asphalt concrete a mineral a rock or neither?

Asphalt concrete is neither a mineral nor a rock. It is a human-made material composed of aggregates (such as sand, gravel, or crushed stone) bonded together with bitumen, a sticky black substance derived from crude oil.


What kind of rock is a sidewalk?

Sidewalks are made of concrete, which is not a rock. Concrete is a man-made construction material composed of Portland cement, various crushed rocks, sand and water.


Is a clay pot a rock?

No, the clay was a rock but the pot, being artificially manufactured, is a ceramic. Similarly concrete is not a rock.


Is there a concrete supplier in wendover Nevada?

No, but there is Shelton's Rock Products in Wendover, UT. They batch ready mix concrete.


Can you handmake rock?

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What rock was the twin towers made of?

Primarily steel and concrete.


How do you make a can rock solid?

Fill the can with concrete and let it set.