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Igneous Rock

Igneous rock is formed from cooled magma or lava. The magma turns solid as it cools, and eventually becomes rock. It is sometimes crystallized.

1,149 Questions

Is the Earth's crust made of magma or rock?

The Earth's crust is made of solid rock, not magma. Magma is molten rock beneath the Earth's surface, while the crust is the outermost solid layer of the Earth.

Could you find granite and bricks in the ground?

Granite is typically found deep in the Earth's crust and requires mining to extract. Bricks, on the other hand, are manufactured from clay and other materials, not found naturally in the ground.

Is the granite run mall closing?

Yes, the Granite Run Mall closed in 2015. The property has since been redeveloped into a mixed-use complex called the Promenade at Granite Run, which includes residential, retail, and commercial space.

How are igneous rocks with crystals formed?

In magma, the crystals have generally not had a chance to crystallize, although some may already have and some may not have. There are different types of magma, and these lead to the formation of different rocks, depending on the chemical makeup. Common igneous rocks formed from the cooling of magma may contain quartz, feldspars, micas, and amphiboles.

Is granite exstrusive?

Due to its high acidic and viscous nature, granite will most likely be intrusive, causing dykes that cut through bedding planes.

Is phosphate rock an igneous rock?

no, it is actually a chemical!

answ2. Phosphate rock is a sedimentary rock.

Is granite plutonic or volcanic?

Granite is a plutonic rock, meaning it forms from the slow cooling and crystallization of magma underground. It is composed mainly of quartz, feldspar, and mica minerals.

Is pumice rock vesicular and glassy?

Yes. Pumice is so fine-grained, often times it's crystals are vesicular and glassy.

Is a stock an intrusive igneous body?

No, a stock is not an intrusive igneous body. In the world of finance, a stock refers to ownership in a company and shares of its assets and profits. Intrusive igneous bodies are geological formations formed underground from the cooling and solidification of magma.

Is rock formed when hot magma cools and hardens?

No, rocks are formed when molten magma or lava cools and solidifies. This process can occur underground (intrusive igneous rocks) or on the Earth's surface (extrusive igneous rocks), leading to the formation of various types of rocks.

What does mystic quartz look like and where is it found?

I don't know where it is found. (in fact that is what i was searching for) but i can say what it looks like.

Mystic quartz looks like an exploding rainbow (with a kaleidoscope effect) when light is refracted off of it correctly. (Answered by a 13 year old:))

Is a rock getting melted into magma a chemical reaction?

No, the process of a rock melting into magma is a physical change, not a chemical reaction. The change is due to an increase in temperature causing the rock to undergo a phase change from solid to liquid.

What is molten rock that has not reached the surface?

It is called an igneous rock.

Igneous rock is one of the three main rock types, the others being sedimentary and metamorphic rock. Igneous rock is formed through the cooling and solidification of magma or lava. Igneous rock may form with or without crystallization, either below the surface as intrusive (plutonic) rocks or on the surface as extrusive (volcanic) rocks.

Do igneous rocks usually contain fossils?

Igneous rocks are formed from cooling and solidifying of molten rock, so they usually do not contain fossils. This is because fossils are typically found in sedimentary rocks, which form from the accumulation of sediment and organic materials, preserving the remains of plants and animals.

What can andesite rock be used for?

Andesite rock is commonly used in construction for making road base, concrete aggregates, and building stones. It is also used as a decorative material in landscaping due to its durable and aesthetically pleasing qualities. Additionally, andesite can be used for sculpture and as a material for creating tools and weapons.

What types of igneous rocks are found in UK?

In the UK, common types of igneous rocks include granite, basalt, and dolerite. Granite is typically found in regions like Cornwall and Scotland, while basalt can be found in areas such as the Giant's Causeway in Northern Ireland. Dolerite is commonly found in areas like the Isle of Skye in Scotland.

Why is lava and magma not a rock?

Lava and magma are not rocks because they are liquids and cant harden because they are to hot to harden and cant cool themselves down long enough to form a hard structure.

Magma and lava is rock - it's just been superheated by the Earth's core.

What is ripples of movement of molten rock?

What it sounds like you want is "P-Wave".

See the link to check that this is what you intend.

P- and S-waves represent different atomic interactions in materials. P-waves briefly compress neighboring atoms, after which they relax and transfer the energy to neighboring atoms. S-waves represent a brief shear motion between atoms, which relaxes and is passed on.

What is diabase made out of?

diabase is made out of super codenced lava that was deep in the earths crust

What is the texture of igneous rocks with large crystals that slow cooling produces?

The texture of igneous rocks with large crystals that form from slow cooling is called phaneritic. This texture indicates that the minerals had enough time to grow large enough to be visible to the naked eye. Examples of rocks with phaneritic texture include granite and diorite.

What are some examples of a molten rock?

Examples of molten rocks include lava, which is molten rock that reaches the Earth's surface, and magma, which is molten rock beneath the Earth's surface. Both lava and magma are composed of molten silicate materials and can vary in composition depending on the specific rock types that are melting.

Is diorite's texture a aphanitic?

No, diorite has a coarse-grained texture, which means its crystals are large enough to be visible without a microscope. Aphanitic rocks have a fine-grained texture where the crystals are too small to be seen with the naked eye.

Is granite man made?

No, granite is a natural igneous rock formed from the slow crystallization of molten magma beneath the earth's surface. It is not man-made and is typically quarried and cut into slabs for use in construction and countertops.

Does basalt float in water?

No, basalt does not float in water because its density is higher than the density of water. Basalt is a dense volcanic rock formed from the solidification of lava, which causes it to sink when placed in water.