更多ferromagnesian例句

1. Hornblende and biotite are the ferromagnesian constituents and vary much in relative importance.
2. Pyroxene is the usual ferromagnesian mineral, and resembles that of the tephrites and basanites.
3. The commonest ferromagnesian mineral is augite (sometimes rich in soda), with olivine in the more basic varieties.
4. Biotite and all ferromagnesian minerals rarely appear in them, and never are in considerable amount.