Results for: Rock
In Rocks and Minerals

Why do rocks have to be solid to be rocks?

It is a question of definition. Rocks are defined to be composed of minerals (at least two minerals). Minerals are by definition solid because liquid materials cannot sustain … (MORE)
In Earth Sciences

What are igneous rocks and sedimentary rocks?

Igneous rocks are made from magma. Magma is made of melted rocks.  (When it is underground it is called magma, when it erupts on the  surface of the earth, it is called lava… (MORE)
In Rocks and Minerals

What type of rock is an igneous rock?

Igneous Rocks are formed when hot molten magma cools and  crystals form. Igneous rocks can be formed in two ways,  under the ground (intrusive igneous rocks) or on the Earth… (MORE)
What type of rocks are dolerite rocks?
In Earth Sciences

What type of rocks are dolerite rocks?

Dolerite rocks are a type of igneous rocks (formed as a result of  cooling of magma or lava). They are mafic (45-52% SiO2),  and subvolcanic (formed within the earth's crust… (MORE)
In Actors & Actresses

Where is The Rock?

  Answer   The Rock is now starring in many movies, and unlike many superstars he is a good actor. Not saying that Stone Cold Steve Austin's movie isn't good because … (MORE)
In Earth Sciences

Why is igneous rocks the oldest rock?

Igneous rock is volcanic. Earth had volcanoes - lots of volcanoes - long before it had appreciable water. Water is necessary for sedimentary rocks, and sedimentary rocks are n… (MORE)
What is a rock?
In Rocks and Minerals

What is a rock?

A rock is a bundle of minerals as a solid;   A rock is any solid mass of mineral or mineral-like matter that occurs naturally as part of our planet.    The official de… (MORE)
How does rock go from rock to soil?
In Earth Sciences

How does rock go from rock to soil?

It erodes into sediment (dirt). When living remains become part of the dirt, it is soil.
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In Actors & Actresses

Who is the rock?

Dwayne Johnson former WWE Big star and he currently is in the show business movies rock but everyone wishes the rock comes back so rock PLEASE COME he hold the record for the… (MORE)