词汇 | pyroxenite |
释义 | BETA Examples of pyroxenitepyroxenite isn’t in the Cambridge Dictionary yet. You can help! The pluton is lithologically diverse, but is mainly composed of hypersthene- augite gabbros with minor pyroxenite, anorthosite, tonalite, granodiorite and granite. Shear zones commonly separate foliated gabbro from massive pyroxenite, and no exposures where the original relationships between the different rock types could be evaluated were found. Amphibolite and pyroxenite plot outside these trends or clusters. If on the other hand, the rock contains more than 90% pyroxenes (often both are present), it is termed pyroxenite. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Thirdly there is a low titanium basalt-andesite with extreme light rare earth element depletion that produced the layered pyroxenite-peridotite and associated gabbro cumulate. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. This makes it more like a pyroxenite than the typical angrite, which is similar to a basalt. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. It occurs in pegmatites in a pyroxenite intrusion as crystals in miarolitic cavities. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The pyroxenite outcrops are dark and massive and include discontinuous calc-silicate bands, some of brown mica and others with calcite. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. These pyroxenite layers have come to be inferred as a yield of the reaction between rising magmas and peridotite of the upper mantle. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The igneous rock is mostly mafic with much gabbro, essexite, and a titanium-rich pyroxenite. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Its igneous rock consists mostly of pyroxenite and gabbro. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The layered cumulate unit is composed of ser pentinized dunite-harzburgite-lherzolite-wehrlite, pyroxenite and gabbro with pods and stringers of chromitite. These take the form of layered pyroxenite and dunite; layered dunite, and harzburgite; and layered pyroxenite, peridotite and gabbro. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. They consist of lherzolite, harzburgite, wehrlite, dunite, websterite and garnet composed pyroxenite. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. It is a special type of pyroxenite. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. |
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