diabase 的定义
Petrology.
- a fine-grained gabbro occurring as minor intrusions.
- British. a dark igneous rock consisting essentially of augite and feldspar; an altered dolerite.
更多diabase例句
- They are holocrystalline in form and true glassy bases are rare, rendering the term diabase more appropriate than basalt.
- While the diabase dikes are most prominent in the Newark rocks, they are also found occasionally in the other terraces.
- The diabase occurs only as an intrusive rock in the vicinity of the Catoctin Belt.
- None the less, its origin as diabase can definitely be asserted of the whole mass.
- Dynamic alteration of the Catoctin diabase is pronounced and wide-spread.