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?

<p>By precipitation of ions from a solution (D)</p> Signup and view all the answers

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

<p>In caves (D)</p> Signup and view all the answers

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

<p>They can crystallize out into a new igneous rock (D)</p> Signup and view all the answers

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

<p>Cementation (A)</p> Signup and view all the answers

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

<p>Bioclastic rocks (B)</p> Signup and view all the answers

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

<p>Weathering (C)</p> Signup and view all the answers

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

<p>Contact metamorphism occurs next to igneous intrusions, while regional metamorphism occurs over larger areas due to tectonic plate pressures. (C)</p> Signup and view all the answers

What happens to crystal grains during metamorphic rock formation?

<p>Some crystals recrystallize into larger crystals, and some crystallize into new types of minerals under different temperatures. (B)</p> Signup and view all the answers

What is the defining characteristic of foliated metamorphic rocks?

<p>They exhibit visible layers due to the alignment of crystals, sediments, and minerals. (A)</p> Signup and view all the answers

How can a metamorphic rock become an igneous rock?

<p>By melting into magma and then crystallizing as an igneous rock. (C)</p> Signup and view all the answers

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

<p>Tectonic plate movements (B)</p> Signup and view all the answers

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

<p>They transform into sedimentary rocks (D)</p> Signup and view all the answers

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