| Answer | Crossword Clue |
|---|---|
| orthophyric | relating to orthophyre, a fine-grained syenitic rock with orthoclase crystals |
| orthophyres | ORTHOPHYRE, a fine-grained syenitic rock with orthoclase crystals |
| orthophyre | a fine-grained syenitic rock with orthoclase crystals |
| porphyritic | Relating to or denoting a rock texture, typically found in volcanic rocks, containing distinct crystals or crystalline particles embedded in a fine-grained groundmass |
