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Igneous Rocks Crossword Puzzle
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Across
2. The rock that forms from the slow cooling of an felsic magma.
4. The rock that forms from the rapid cooling of an ultramafic lava.
5. The rock that forms from the rapid cooling of a mafic lava.
8. The rock that forms from the slow cooling of an ultramafic magma.
10. The igneous rock family that contains mostly hornblende and intermediate plagioclase..
12. The igneous rock family that contains mostly pyroxene and calcium rich plagioclase.
16. Another name for igneous rocks that form at or near the earth's surface.
18. Igneous rocks that form beneath the earth's surface.
19. Another name for igneous rocks that form beneath the earth's surface.
20. The type of plate boundary where Felsic rocks (magmas) form.
21. The rock that forms from the rapid cooling of a Felsic lava.
23. Igneous rocks that form at or near the earth's surface.
25. Igneous rock texture that contains fragments of other rocks.
26. Molten rock beneath the earth's surface.
27. Molten rock at or near the earth's surface.
28. The rock that forms from the slow cooling of an mafic magma.
31. It means "fire formed".
32. The rock that forms from the rapid cooling of an Intermediate lava.
Down
1. The rock that forms from the slow cooling of an Intermediate magma.
3. The igneous rock family that contains mostly olivine and pyroxene.
6. The igneous rock family that contains biotite, muscovite, sodium plagioclase, k-feldspar and quartz.
7. An igneous rock that contains no crystals.
9. Igneous rock texture that is made of all visible crystals, all about the same size
11. The type of plate boundary where mafic rocks (lavas) form.
13. Igneous rock texture that is made of all invisible crystals.
14. The name of the guy that came up with the "Reaction Series".
15. Igneous rock texture that has very large crystals.
17. A light colored rock with a frothy texture.
22. A dark colored rock with a frothy texture.
24. Igneous rock texture that shows a slow rate of cooling followed by a faster rate of cooling.
29. The mineral that crystallizes at the highest temperature and pressure in a magma (Discontinuous).
30. The mineral that crystallizes at the lowest temperature and pressure in a magma (Discontinuous).
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