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They are usually dark colored and dense. Most common colors are dark grey, dark green, black, and a brownish black. This is a helpful site www.nativetech.org/stone/stonetypes/volcanic.html

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What are the rocks that come out of volcanoes called?

The rocks that come out of volcanoes are called volcanic rocks. These rocks are formed from lava that has cooled and solidified either within the volcano or on the Earth's surface. Examples include basalt, andesite, and rhyolite.


What extraterrestrial rocks are basalt?

Basalt rocks have been identified on the Moon, Mars, and the asteroid Vesta. These rocks are often formed from solidified lava flows and are commonly found in volcanic regions.


What are some igneus rocks?

some igneus rocks are Granite,Basalt,Pumice,Obidan,and Rhyolit.


Which does not belong shale basalt sand stone or limestone?

In the question "which does not belong; shale, basalt, sandstone, or limestone?" the answer is Basalt. Shale, Sandstone, and Limestone are all sedimentary rocks. Basalt is an Igneous rock. Shale and Sandstone are both clastic sedimentary rocks which means they come from the "pieces" or remains of rocks after weathering. Limestone is a chemical sedimentary rock which means it is deposited as a result of a chemical reaction, or a collection of material made by organisms, such as coral. volcanic basalt dykes are molten basalt that rose through existing sedimentary rock, and crystallized when it rose to the surface about 32 million years ago. The magma cools and hardens which creats a basalt stack, resistant to weather. Basalt is a common extrusive volcanic rock.It color is usually gray or close to black.


What kind of rocks that are formed by volcanic activity?

Rocks formed by volcanic activity are called igneous rocks. These rocks form when molten magma cools and solidifies either above or below the Earth's surface. Examples of volcanic igneous rocks include basalt, andesite, and rhyolite.

Related Questions

What colors are igneous rocks?

Igneous rocks can be any color.Igneous rocks come in a variety of colors. However the main colors are white, black, gray, greenand pink.


Name 4 kinds of igneous rocks?

Examples of igneous rocks are pumice, obsidian, basalt, and rhyolite.


Basalt and granite belong to which type of rocks?

Igneous rocks


What types of rocks are basalt and granite?

They are all igneous rocks.


What are the main colors of igneous rocks?

Igneous rocks come in a variety of colors. However the main colors are white, black, gray, greenand pink.


What kind of rocks make up the most of the igneous rocks?

Basalt and granite are the most common types of rocks that make up igneous rocks. Basalt is a fine-grained volcanic rock, while granite is a coarse-grained intrusive rock.


How can minerals come in many colors?

how many rocks are thera


Can minerals come in many colors?

how many rocks are thera


What are the rocks that come out of volcanoes called?

The rocks that come out of volcanoes are called volcanic rocks. These rocks are formed from lava that has cooled and solidified either within the volcano or on the Earth's surface. Examples include basalt, andesite, and rhyolite.


What is the difference between granitic igneous rocks and basaltic igneous rocks?

Basalt is an igneous rock with very fine grains. It is dark colored. Granite is a variety of colors: gray, pink, and white. It has coarse grains.


What is mid ocean ridge molten rocks made out of?

Basalt. Basalt - Wikipedia, the free encyclopedia


How do gabbro and basalt rocks form?

The magma cools and forms both rocks