| 单词 | olivine |
| 释义 | BETA Examples ofolivineDictionary> Examples ofolivine olivineisn’t in the Cambridge Dictionary yet. You can help! Add a definition Octahedral cation ordering inolivineat high temperature. From theCambridge English Corpus Noolivinewas identified in the groundmass or as a phenocryst phase. From theCambridge English Corpus The zoning of the olivines is mostly reverse. From theCambridge English Corpus In thin section, however, only plagioclase andolivineclearly have cumulus status. From theCambridge English Corpus In this case, theolivinemay represent xenocrysts that were collected from a relatively primitive cumulate sequence in an underlying chamber. From theCambridge English Corpus However, these melts did contain phlogopite, as well asolivineand/or clinopyroxene, as a part of their liquidus assemblage. From theCambridge English Corpus The volcaniclastic siltstone is composed of crystals (olivine, pyroxene, quartz), glass (globules and irregularly shaped shards) and rock fragments. From theCambridge English Corpus At this stage, for each three moles of ferrous iron supplied byolivine, one mole of hydrogen forms. From theCambridge English Corpus Figure 3 shows part of a barredolivinechondrule, where grains ofolivineare set in a feldspathic groundmass. From theCambridge English Corpus Note the sharp but irregular contacts between the darker wehrlites and the lighter layeredolivineoxide gabbros. From theCambridge English Corpus Therefore, on the basis ofolivinecomposition, the marginal gabbro is a possible parental magma. From theCambridge English Corpus The oikocrysts become larger (4-5 cm) in the centralolivinegabbros compared to marginal gabbros (0.5-2 cm) and are commonly optically zoned. From theCambridge English Corpus An exception to this is rare layering observed in theolivineglomerocrystic gabbro, where layering may dip either inwards or outwards. From theCambridge English Corpus Compared toolivine, augite has a greater degree of chemical zoning within individual grains and samples. From theCambridge English Corpus These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. |
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