4_Igneous rocks - GEO 303 Lecture 4 Igneous Rocks Chapter 5...

Info icon This preview shows pages 1–7. Sign up to view the full content.

View Full Document Right Arrow Icon
January 27 th and 31st , 2011 GEO 303, Lecture 4 Igneous Rocks Chapter 5 Next lecture : Ch 7 Sedimentary rocks In lab : Finish Ch 4, Texas Memorial Museum trip Next time, Ch 6, igneous rocks
Image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon
Igneous Rocks Making magma Cooling magma Texture Composition Differentiation Igneous rock classification Intrusive processes/landforms Extrusive processes/landforms
Image of page 2
Igneous rocks : form by crystallization from magma, siliceous melt 2 types: Intrusive (plutonic) : magma cools beneath Earth surface. Extrusive (volcanic) : lava cools on Earth’s surface. Common minerals : silicates (quartz, feldspar, mica, pyroxene, amphibole, olivine) Igneous Rocks: “Born of Fire” Igneous Rocks: “Born of Fire”
Image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon
Earth: “Born of Fire” Earth: “Born of Fire” … but mostly solidified after initial formation
Image of page 4
Making magma Making magma (aka melting crust) (aka melting crust) Where does the magma that feeds volcanoes and magma chambers come from? (A) isolated chambers of magma in the crust and mantle; (B) a universal pool of magma in the completely molten mantle; (C) the liquid core of the earth; (D) all of the above. Question
Image of page 5

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon
Making magma Making magma (aka melting crust) (aka melting crust) Where does the magma that feeds volcanoes and magma chambers come from? (A) isolated chambers of magma in the crust and mantle; (A) a universal pool of magma in the completely molten mantle; (B) the liquid core of the earth; (C) all of the above.
Image of page 6
Image of page 7
This is the end of the preview. Sign up to access the rest of the document.

{[ snackBarMessage ]}

What students are saying

  • Left Quote Icon

    As a current student on this bumpy collegiate pathway, I stumbled upon Course Hero, where I can find study resources for nearly all my courses, get online help from tutors 24/7, and even share my old projects, papers, and lecture notes with other students.

    Student Picture

    Kiran Temple University Fox School of Business ‘17, Course Hero Intern

  • Left Quote Icon

    I cannot even describe how much Course Hero helped me this summer. It’s truly become something I can always rely on and help me. In the end, I was not only able to survive summer classes, but I was able to thrive thanks to Course Hero.

    Student Picture

    Dana University of Pennsylvania ‘17, Course Hero Intern

  • Left Quote Icon

    The ability to access any university’s resources through Course Hero proved invaluable in my case. I was behind on Tulane coursework and actually used UCLA’s materials to help me move forward and get everything together on time.

    Student Picture

    Jill Tulane University ‘16, Course Hero Intern