Types of rocks 0.0 / 5 ? GeologyRocksAll LevelsAll boards Created by: ChristinaCreated on: 21-01-14 10:24 821034651 Across 1. Formed by the accumulation of sediments (11) 4. A type of volcanic glass (8) 6. A metamorphosed limestone (6) 8. These rocks can be modified by heat, pressure and chemical process usually while buried deep below Earth's surface. (11) Down 1. A low grade metamorphic rock formed from shale or silts (5) 2. A felsic volcanic rock (8) 3. A sedimentary or tectonic rock composed of fragments of other, broken rocks (7) 5. A clastic sedimentary rock defined by its grain size (9) 6. A sedimentary rock composed of clay and muds (8) 10. A volcanic rock of mafic composition (6)
Comments
No comments have yet been made