| 释义 |
gabbro Geol.|ˈgæbrəʊ|
[a. It. gabbro.]
(See quot. 1864–72.)
1837Dana Syst. Min. 288 Saussurite occurs in primitive regions, and with hornblende and augite constitutes the rocks called gabbro and euphotide. 1864–72Watts Dict. Chem. II. 756 Gabbro, the name given by the Italian artists..to a rock essentially composed of felspar and diallage, called by the French geologists euphotide. 1879Rutley Study Rocks x. 120 Enstatite occurs in Iherzolite and certain gabbros.
Hence gaˈbbroic, gabbroˈitic adjs., of or pertaining to gabbro; having the nature of gabbro.
1884Science July IV. 71 Gabbroic and granitic rocks. 1893Jrnl. Geol. I. 595 Diabases from dykes..in which the gabbroitic as well as the diabasic structures are well exhibited. 1895Ibid. III. 1 The rarity of olivine in the granulitic rocks is in marked contrast with its abundance in the gabbroitic variety. |