metagabbroicadj.

Brit.

/ˌmɛtəɡaˈbrəʊɪk/, U.S.

/ˌmɛdəɡəˈbroʊɪk/

Origin: Formed within English, by derivation. Etymons: metagabbro n., -ic suffix.

Etymology: < metagabbro n. + -ic suffix, after gabbro n.

Geology.

Consisting of or of the nature of a metagabbro.

ΚΠ

1955 Bibliogr. & Index Geol. Exclusive N. Amer. 19 532 Reports the results of a petrographic study of bedded metagabbroic rocks associated with the Ryoke metamorphic zone.

1959 Amer. Jrnl. Sci. 257 408 The rocks of the sill have been divided into 5 zones, each representing petrographically and chemically distinct types. These zones are, from bottom to top, ultramafic, normal metagabbroic, transitional, granophyric, and metadiabasic (chilled).

1997 Proc. National Acad. Sci. U.S.A. 94 9532/1 Relatively rare metabasaltic, metagabbroic, and metacherty lithologies..are massive, impervious to fluids, and nearly anhydrous.

2001 Contrib. Mineral. & Petrol. 141 592 The Kramanituar Complex is a window of deep-crustal rocks, dominated by a granulite-facies metagabbroic suite.

This is a new entry (OED Third Edition, December 2001; most recently modified version published online March 2022).

单词	metagabbroic
释义	metagabbroicadj. Brit. /ˌmɛtəɡaˈbrəʊɪk/, U.S. /ˌmɛdəɡəˈbroʊɪk/ Origin: Formed within English, by derivation. Etymons: metagabbro n., -ic suffix. Etymology: < metagabbro n. + -ic suffix, after gabbro n. Geology. Consisting of or of the nature of a metagabbro. ΚΠ 1955 Bibliogr. & Index Geol. Exclusive N. Amer. 19 532 Reports the results of a petrographic study of bedded metagabbroic rocks associated with the Ryoke metamorphic zone. 1959 Amer. Jrnl. Sci. 257 408 The rocks of the sill have been divided into 5 zones, each representing petrographically and chemically distinct types. These zones are, from bottom to top, ultramafic, normal metagabbroic, transitional, granophyric, and metadiabasic (chilled). 1997 Proc. National Acad. Sci. U.S.A. 94 9532/1 Relatively rare metabasaltic, metagabbroic, and metacherty lithologies..are massive, impervious to fluids, and nearly anhydrous. 2001 Contrib. Mineral. & Petrol. 141 592 The Kramanituar Complex is a window of deep-crustal rocks, dominated by a granulite-facies metagabbroic suite. This is a new entry (OED Third Edition, December 2001; most recently modified version published online March 2022). < adj.1955
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