Geology Chapter 2.7 0.0 / 5 ? GeologyMinor intrusions ASOCR Created by: abbbywCreated on: 30-12-17 19:42 10932567814 Across 1. a body of relatively low density material that pierces and rises up through overlying material of a higher density (6) 4. intrusions are parallel to the existing beds (10) 5. a concordant, sheet-like intrusion (4) 8. a discordant, sheet-like intrusion (4) 9. where the igneous rock meets the country rock (7) Down 2. cool at hypabyssal depth below surface and can include sills + dykes (5, 10) 3. where the igneous rock has cooled rapidly so has fine crystals (7, 6) 6. in the country rock where it was heated by the intrusion + altered (5, 6) 7. any rock into which an igneous rock intrudes (7, 4) 10. intrusions cut across the existing beds (10)
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