As Geology - Igneous Rocks - Flashcards in A Level and IB Geology

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Created by: lol
Created on: 25-04-11 14:07


4					2


										3


		7


					1							6





	5

Across

1. Generally, which have a higher density? (5, 5)
4. For 3 coarse crystal rocks, the order from most Silicic to most Mafic goes: (7, 7, 6)
5. What are fragments of foreign rock in igneous bodies called? (9)

Down

2. Rocks containing a lot of Silica (SiO3) Create what kind of lava? (5, 4, 6, 4)
3. On a geological map, a horizontal igneous body has what markings to show its dip? (5, 7)
6. The texture of igneous rocks is generally described as: (10)
7. One rock is classed as 'Ultramafic'. Which is it? (10)

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