Unit 1 Module 1 Key Words 4.0 / 5 based on 1 rating ? GeologyEarth StructureASOCR Created by: Gabby-ACreated on: 15-02-16 13:28 283751410 Across 1. A fragment of ‘foreign’ rock included in an igneous rock, which has come from a different source (1, 8) 2. An ultramafic igneous rock composed of the minerals olivine and pyroxene with a coarse crystal size (10) 3. A natural satellite orbiting a planet (1, 4) 4. A dense, ferromagnesian silicate mineral (7) 7. Fragments of rock, which fall to Earth from space (10) 8. Where a proportion of the minerals will have a lower melting point, allowing them to melt while the rest remains solid (7, 7) 10. A sizable object orbiting a star (1, 6) Down 2. Ancient magnetism preserved in rocks (15) 3. Rocky objects which failed to form a planet (9) 5. A star composed of hydrogen and helium - It is the largest object in the Solar System and contains more than 99.8% of the total mass (3, 3)
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