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Igneous Rock Formation Quiz

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Questions and Answers

What is the process where atoms or molecules are arranged into a defined repeating pattern known as?

Solidification

Melting

Liquefaction

Crystallization (correct)

Why do igneous rocks formed below Earth's surface generally have larger crystals?

Magma contains more gas, resulting in larger crystal growth

Magma cools down slowly, allowing time for the formation of larger crystals (correct)

Magma cools rapidly, promoting the formation of larger crystals

Magma has more impurities, leading to larger crystal formation

What did Norman Bowen hypothesize as the main factor influencing the occurrence of certain minerals together in igneous rocks?

The composition of the surrounding rocks

The temperature at which the rocks cooled (correct)

The presence of water in the magma

The pressure during the rock formation

What did Norman Bowen study during his research on igneous rocks?

The occurrence of certain minerals together in igneous rocks Signup and view all the answers

What did Bowen observe about the crystals in igneous rocks formed from magma at different temperatures?

Common crystals in igneous rock crystallized from magma at different temperatures Signup and view all the answers

What are the two important means of predicting igneous rock formation mentioned in the text?

Bowen's reaction series and magmatic differentiation Signup and view all the answers

What is the result of magma cooling above Earth's surface?

Finer-grained texture due to lack of time for large crystal formation Signup and view all the answers

What is Bowen's reaction series?

A series explaining the crystallization of magma upon cooling Signup and view all the answers

Which mineral crystallizes at higher temperatures according to Bowen's reaction series?

Olivine Signup and view all the answers

What is the mnemonic for remembering the order of minerals formed in the discontinuous series of Bowen's reactions?

Olive Pits Are Bitter Signup and view all the answers

What is magmatic differentiation?

The process explaining how different igneous rocks can originate from single magma melts Signup and view all the answers

Which mineral is at the top of the continuous series of Bowen's reaction series?

Calcium-rich plagioclase Signup and view all the answers

What happens in magmatic differentiation as crystals solidify within the magma?

They tend to sink, altering the chemical composition of the remaining magma Signup and view all the answers

What mnemonic can be used to remember the last minerals and the temperatures when they are formed in the discontinuous series of Bowen's reactions?

P.M. Quiet Signup and view all the answers

What does Bowen's reaction series explain?

The crystallization of magma upon cooling Signup and view all the answers

Igneous Rock Formation Quiz

Choose a study mode

Podcast

Questions and Answers

What is the process where atoms or molecules are arranged into a defined repeating pattern known as?

Why do igneous rocks formed below Earth's surface generally have larger crystals?

What did Norman Bowen hypothesize as the main factor influencing the occurrence of certain minerals together in igneous rocks?

What did Norman Bowen study during his research on igneous rocks?

What did Bowen observe about the crystals in igneous rocks formed from magma at different temperatures?

What are the two important means of predicting igneous rock formation mentioned in the text?

What is the result of magma cooling above Earth's surface?

What is Bowen's reaction series?

Which mineral crystallizes at higher temperatures according to Bowen's reaction series?

What is the mnemonic for remembering the order of minerals formed in the discontinuous series of Bowen's reactions?

What is magmatic differentiation?

Which mineral is at the top of the continuous series of Bowen's reaction series?

What happens in magmatic differentiation as crystals solidify within the magma?

What mnemonic can be used to remember the last minerals and the temperatures when they are formed in the discontinuous series of Bowen's reactions?

What does Bowen's reaction series explain?

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