例句與造句

1. Pyroxenites are also found as layers within masses of peridotite.
2. Its constitution is pyroxenites and dunites of lower and middle Paleozoic era.
3. Pyroxenites that occur as xenoliths in basalt and in kimberlite have been interpreted as fragments of such layers.
4. Pyroxenites can be formed as cumulates in ultramafic intrusions by accumulation of pyroxene crystals at the base of the magma chamber.
5. It typically occurs as an alteration product at the contact between felsic and mafic or ultramafic rocks such as pyroxenites and dunites.
6. It's difficult to find pyroxenites in a sentence. 用pyroxenites造句挺難的
7. Although some mantle pyroxenites contain garnet, they are not eclogites, as clinopyroxene in them is less sodic than omphacite and the pyroxenite compositions typically are unlike that of basalt.
8. Minerals found associated with these rocks include : pyroxenites, amphibole, apatite, biotite, calcite, magnetite, monazite, nepheline, pyrite, pyrochlore, pyroxene and quartz.
9. Pyroxenites are related ultramafic rocks, which are composed largely of orthopyroxene and / or clinopyroxene; minerals that may be present in lesser abundance include olivine, garnet, plagioclase, amphibole, and spinel.
10. Ideally the stratigraphic sequence of an ultramafic-mafic intrusive complex consists of ultramafic peridotites and pyroxenites with associated chromitite layers toward the base with more mafic norites, gabbros and anorthosites in the upper layers.
11. These granites, which are collectively called the " Gold Butte Granite ", intrude garnet-cordierite-sillimanite and hornblende gneisses, migmatites, and older granites, pyroxenites, and hornblendites.
12. The well-layered lower units of ultramafic rocks comprising the Great Dyke are locally overlain by erosional remnants of Stratigraphically each sub-chamber is divided into a lower Ultramafic Sequence of dunites, harzburgites, olivine bronzitites and pyroxenites together with narrow layers of chromitite that constitute the bases of cyclic units and that are extensively mined along the Great Dyke, and an upper Mafic Sequence mainly consisting of a variety of plagioclase-rich rocks, such as norites, gabbronorites and olivine gabbros.