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Chemical Sedimentary Rocks Formation

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Questions and Answers

How are igneous rocks formed?

Through the crystallization of molten magma or lava (correct)

From the weathering and erosion of sedimentary rocks

By the intense heat and pressure of metamorphic rocks

By the transformation of other igneous rocks

What can metamorphic rocks be transformed into?

Other metamorphic rocks

Igneous rocks (correct)

Magma

Sedimentary rocks

How can sedimentary rocks be transformed into magma?

Through weathering and erosion

Through crystallization as igneous rocks

By the weight of the rock itself (correct)

By the intense heat and pressure of metamorphic rocks

How do chemical sedimentary rocks form?

By precipitation of ions from a solution Signup and view all the answers

Where are stalactites, a type of chemical sedimentary structure, usually found?

In caves Signup and view all the answers

What can happen to igneous rocks through subduction and uplifting processes?

They can crystallize out into a new igneous rock Signup and view all the answers

What is the process that involves the infiltration of chemical sediments to act as glue?

Cementation Signup and view all the answers

Which type of sedimentary rock contains pieces and particles from what was once living matter?

Bioclastic rocks Signup and view all the answers

What is the first step in the formation of sedimentary rock?

Weathering Signup and view all the answers

What is the main difference between contact metamorphism and regional metamorphism?

Contact metamorphism occurs next to igneous intrusions, while regional metamorphism occurs over larger areas due to tectonic plate pressures. Signup and view all the answers

What happens to crystal grains during metamorphic rock formation?

Some crystals recrystallize into larger crystals, and some crystallize into new types of minerals under different temperatures. Signup and view all the answers

What is the defining characteristic of foliated metamorphic rocks?

They exhibit visible layers due to the alignment of crystals, sediments, and minerals. Signup and view all the answers

How can a metamorphic rock become an igneous rock?

By melting into magma and then crystallizing as an igneous rock. Signup and view all the answers

What geological process can lead to extreme accumulations of sediments and subsequent metamorphism?

Tectonic plate movements Signup and view all the answers

What is the result when igneous rocks are weathered and eroded by rain?

They transform into sedimentary rocks Signup and view all the answers