| Answer | Crossword Clue |
|---|---|
| kersantite | a dyke-rock of black mica and plagioclase |
| kersantites | KERSANTITE, a dyke-rock of black mica and plagioclase |
| lamprophyre | a compact intrusive rock with phenocrysts of black mica, hornblende, etc |
| lamprophyres | LAMPROPHYRE, a compact intrusive rock with phenocrysts of black mica, hornblende, etc |
