单词	pyroxenite
释义	pyroxenite /pʌɪˈrɒksɪnʌɪt / noun [mass noun] Geology A dark, greenish, granular intrusive igneous rock consisting chiefly of pyroxenes and olivine.In similar contrast to the Okenyenya xenolith suite, lithologies such as wehrlite, eclogite and pyroxenite are also absent.... Subsequent melting of mica pyroxenite may produce potassic magmas as a result of orogenic or extensional, thermal or bark triggers. The first group (133 million years old) consists mostly of melagabbro, perkinite and pyroxenite. Origin Mid 19th century: from pyroxene + -ite1.
随便看	nether region nether regions nether stone netherward netherworld Nethinim net importer netiquette netizen net-layer net maker net metering netminder netminding net national product net net net neutrality netop net plankton net-play net player net practice net present value net-priced net profit

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