Results for: J-rock

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)

What kind of rock is Ayers Rock?

Ayers Rock, now known as Uluru, is sedimentary rock, primarily a  sandstone inselberg.   It is made up of around 50% feldspar, 25-35% quartz and up to 25%  rock fragment (MORE)

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)

What kind of rocks are igneous rocks?

  Answer   Igneous rocks are those that have solidified from molten rock, such as pumice, granite, basalt, obsidian, rhyolite.
Thanks for the feedback!

How does a metamorphic rock change to sedimentary rock and then to igneous rock?

Metamorphic rocks were once sedimentary or igneous rocks that have been changed (metamorphosed) by squashing and heating them. They can change back into sedimentary rocks ON (MORE)

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)

What rock forms from molten rock?

Rocks formed from solidified molten rock are classified as igneous rock. Examples would be basalt, granite, gabbro, pumice, obsidian, and rhyolite.
Thanks for the feedback!

Which rock is a sedimentary rock?

A sedimentary rock is a rock formed at or near the Earth's surface by the accumulation and lithification of fragments of preexisting rocks or by precipitation from solution at (MORE)