| Answer | Crossword Clue |
|---|---|
| quartzitic | granular metamorphic rock consisting essentially of quartz in interlocking grains |
| quartzites | granular metamorphic rock consisting essentially of quartz in interlocking grains |
| quartzite | An extremely compact, hard, granular rock consisting essentially of quartz. It often occurs as silicified sandstone, as in sarsen stones |
| granulite | A fine-grained, granular metamorphic rock in which the main component minerals are typically feldspars and quartz |
| sandstone | Sedimentary rock consisting of sand or quartz grains cemented together, typically red, yellow, or brown in color |
| sandstones | Sedimentary rock consisting of sand or quartz grains cemented together, typically red, yellow, or brown in color |
