| 释义 |
metagabbro, n. Geol.
Brit. |ˌmɛtəˈgabrəʊ|, U.S. |ˌmɛdəˈgæbroʊ|
[‹ meta- prefix + gabbro n.]
A metamorphic rock formed by alteration of gabbro.
1904Amer. Jrnl. Sci. 167145/1 Among the types found are..gabbros and meta-gabbros. 1947Bull. Geol. Soc. Amer. 58 821 (title) Origin of a scapolite metagabbro in Bucks County, Pennsylvania. 1962W. T. Huang Petrol. x. 418 In the centre of an amphibolite outcrop, a core of metagabbros or metaultramafic rocks may crop out. 1990P. Kearey & F. J. Vine Global Tectonics ii. 20 (in figure) Metagabbros and gabbros with pockets of plagiogranite and protrusions of serpentine. |