| 单词 | siliceous |
| 释义 | BETA Examples ofsiliceousDictionary> Examples ofsiliceous siliceousisn’t in the Cambridge Dictionary yet. You can help! Add a definition However, few recognizable trends are apparent within the data clusters for thesiliceousgneisses. From theCambridge English Corpus These sediments are locally interbedded withsiliceouslimestone and rare thin-bedded sandstones. From theCambridge English Corpus Overall, sedimentation was mainly controlled by an interplay of post-rift thermal subsidence, plume-related uplift,siliceousoceanic productivity, climatic change and eustatic sea-level change. From theCambridge English Corpus The section then continues for a distance of approximately 300 m along the eastern side of the road, with ribbon radiolarites interbedded withsiliceousmudstones. From theCambridge English Corpus These c. 60 m consist mainly of green fine-grained micaceous andsiliceoussandstones with frequent thin shale seams. From theCambridge English Corpus The age dating is based on calcareous andsiliceousmicrofossils. From theCambridge English Corpus Two beds ofsiliceousbreccia are present about 12.7 m from the base and at the top of the unit. From theCambridge English Corpus The basalt-chert-pelagic limestone association (3) comprises oceanic basalts of supra-subduction zone-type chemical affinities, associated withsiliceous(radiolarian) and calcareous pelagic sediments. From theCambridge English Corpus Thin-bedded (5-10 cm), white,siliceouspelagic limestone, intercalated with radiolarian chert, exhibits planar lamination and very small-scale cross lamination. From theCambridge English Corpus Siliceousash flow tuffs dominate the eruptive products. From theCambridge English Corpus Higher nutrient supply to surface waters would have favoured organic andsiliceousplankton production and reduced rates of calcareous plankton rain. From theCambridge English Corpus The rift basin was then covered bysiliceouspelagic carbonate, in which chert formed diagenetically. From theCambridge English Corpus The middle part of the member consists of pinkish, brownish or mostly purplish sandstones, which are lesssiliceousand generally possess an argillaceous matrix. From theCambridge English Corpus Near the base, red-brown, well-bedded radiolarian cherts andsiliceousmudstones are depositionally interbedded with three intercalations of basaltic rudite and subordinate volcaniclastic sandstone. From theCambridge English Corpus Finely crystalline diagenetic chert and coarsersiliceouscement has replaced much of the primary carbonate. 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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