Across
- 2. most common mineral to find in Minecraft, derived from fossil plants
- 4. is a common type of volcanic glass
- 5. is when magma reaches the surface
- 6. the traces or remains of prehistoric life
- 8. helps us understand the origins of metamorphic, igneous, and sedimentary rocks
- 9. coarse, crystalline rock whose parent rock is limestone
Down
- 1. lithified by compaction and cementation of clasts
- 2. if early formed crystals are more dense
- 3. parent of limestone
- 7. most characteristic feature of sedimentary rocks
- 9. is most often generated by melting of rocks in the earths mantle