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Chunky Iggy Rocks

Chunky Iggy Rocks. All igneous rocks are formed from liquid rock known as __________?. Magma. The process of hardening rock is known as __________?. Solidification. Magma that extrudes above Earth’s surface is called __________?. Lava.

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Chunky Iggy Rocks

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  1. Chunky Iggy Rocks

  2. All igneous rocks are formed from liquid rock known as __________? • Magma

  3. The process of hardening rock is known as __________? • Solidification

  4. Magma that extrudes above Earth’s surface is called __________? • Lava

  5. Igneous rocks that cool on Earth’s surface are called __________? • Extrusive

  6. Extrusive igneous rocks have a fine grained or glassy __________? • Texture

  7. Igneous rocks that cool below Earth’s surface are called __________? • Intrusive

  8. Igneous rocks that are light in color, lower in density and rich in Al and Si are said to have a __________ composition. • Felsic

  9. Intrusive igneous rocks have a ______ grained texture. • Coarse

  10. Igneous rocks with gas pockets are said to have a __________ texture. • Vesicular

  11. Igneous rocks that are dark in color, high in density and rich in Fe and Mg are said to have a __________ composition. • Mafic

  12. The slower magma cools, the ________ the crystals. • Larger

  13. Another word for Extrusive is _____________ . • Volcanic

  14. An igneous rock with a glassy texture would mean that the rock cooled __________ Earth’s surface. • Above

  15. An igneous rock with a vesicular texture would mean that the rock cooled __________ Earth’s surface. • Above

  16. Another word for intrusive is _________________ . • Plutonic

  17. This igneous rock is felsic with a coarse texture. • Granite

  18. Do intrusive igneous rocks ever have a vesicular texture? • No

  19. What is the percentage of Biotite in Peridotite? • Zero

  20. This is the only Felsic igneous rock that is black. • Obsidian

  21. Olivine is found only in (Felsic, Mafic) igneous rocks. • Mafic

  22. Place the numbers of these igneous rocks in descending crystal size.1)Diorite, 2)Pegmatite, 3)Basalt • 2, 1, 3

  23. The Earth’s oceanic crust is made up of this igneous rock. • Basalt

  24. What is the origin and rate of formation? • Extrusive, fast

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