Skip to main content
K12 LibreTexts

4.11: Earth's Minerals and Rocks- Challenge 2

  • Page ID
  • \( \newcommand{\vecs}[1]{\overset { \scriptstyle \rightharpoonup} {\mathbf{#1}} } \) \( \newcommand{\vecd}[1]{\overset{-\!-\!\rightharpoonup}{\vphantom{a}\smash {#1}}} \)\(\newcommand{\id}{\mathrm{id}}\) \( \newcommand{\Span}{\mathrm{span}}\) \( \newcommand{\kernel}{\mathrm{null}\,}\) \( \newcommand{\range}{\mathrm{range}\,}\) \( \newcommand{\RealPart}{\mathrm{Re}}\) \( \newcommand{\ImaginaryPart}{\mathrm{Im}}\) \( \newcommand{\Argument}{\mathrm{Arg}}\) \( \newcommand{\norm}[1]{\| #1 \|}\) \( \newcommand{\inner}[2]{\langle #1, #2 \rangle}\) \( \newcommand{\Span}{\mathrm{span}}\) \(\newcommand{\id}{\mathrm{id}}\) \( \newcommand{\Span}{\mathrm{span}}\) \( \newcommand{\kernel}{\mathrm{null}\,}\) \( \newcommand{\range}{\mathrm{range}\,}\) \( \newcommand{\RealPart}{\mathrm{Re}}\) \( \newcommand{\ImaginaryPart}{\mathrm{Im}}\) \( \newcommand{\Argument}{\mathrm{Arg}}\) \( \newcommand{\norm}[1]{\| #1 \|}\) \( \newcommand{\inner}[2]{\langle #1, #2 \rangle}\) \( \newcommand{\Span}{\mathrm{span}}\)\(\newcommand{\AA}{\unicode[.8,0]{x212B}}\)

    1. A metamorphic rock forms from other rocks that are exposed to increased ___ and ___.
    temperature; pressure.
    2. When describing the texture of a rock or mineral, which features should be examined?
    Size, shape, and the arrangement of mineral grains
    3. Two different rocks must always differ in their ___.
    composition and/or texture
    4. Changes in ___ and ___ result in the formation of metamorphic rocks.
    temperature; pressure
    5. Sedimentary rocks are made up of ___.
    pieces of other rocks that have cemented together
    6. Which type of rock often contains fossils?
    7. Although both these types of igneous rock cool from magma, the composition of ___ rock is higher in iron and magnesium, while that of ___ rock is higher in aluminum, sodium, and silica.
    mafic; felsic
    8. ___ indicates the temperature at which minerals melt or crystallize.
    Bowen's Reaction Series
    9. Different ___ have different compositions and contain whichever elements and gases that were in the rocks that melted.
    10. If a rock has many holes from gas bubbles, it is ___.
    a vesicular rock
    11. Large mountain ranges consisting of intrusive igneous rocks form when ___.
    magma cools deep in the crust and then the resulting plutons are uplifted
    12. Extrusive igneous rocks are also called ___ rocks.
    13. Which type of igneous rock is light in color?
    14. Which type of igneous rock is dark in color?
    15. ___ have very low silica content but high iron and magnesium content.

    This page titled 4.11: Earth's Minerals and Rocks- Challenge 2 is shared under a CK-12 license and was authored, remixed, and/or curated by CK-12 Foundation via source content that was edited to the style and standards of the LibreTexts platform; a detailed edit history is available upon request.

    CK-12 Foundation
    CK-12 Foundation is licensed under CK-12 Curriculum Materials License