| 释义 |
itabirite Min.|ɪˈtæbɪraɪt|
Also -yte.
[f. Itabira, name of a place in Minas Geraes, Brazil + -ite.]
A quartzose iron-slate or iron-mica slate, consisting chiefly of alternate layers of quartz and specular iron ore.
1868Dana Min. (ed. 5) 141 Itabiryte is a schist resembling mica-schist, but containing much specular ore in grains or scales or in the micaceous form. 1880Nature XXI. 412 The disappearance of iron pyrites in auriferous itabirites. |