| 单词 | basalt |
| 释义 | basalt noun[U] uk/ˈbæs.ɒlt/us/ˈbæs.ɑːlt/atypeofblackrockthat comes from avolcano 玄武岩 KrimKate/iStock/Getty Images Plus/GettyImages Geology: types of rock
basalt| American Dictionarybasalt noun[U] us/bəˈsɔlt,ˈbeɪ·sɔlt/earth science atypeofblackrockthat comes from avolcano(=mountainthatexplodesandthrowsouthotrocks) Examplesofbasaltbasalt This lends support to a controlling influence for lithospheric rifting zones on continental floodbasaltgeneration and emplacement. From theCambridge English Corpus We have undertaken three independent field tests to determine whether the magnetization of the andesite andbasaltsheets is primary. From theCambridge English Corpus These conglomerates are composed of clasts ofbasalt, volcaniclastic sandstone, alkaline lava and sub-rounded chert. From theCambridge English Corpus From about 128 km away, they hauled hugebasaltboulders, from which to carve colossal heads, and nearly 100 other sculptures. From theCambridge English Corpus This is corroborated by the rather similar isotopic compositions of the alkali basalts and trachytes. From theCambridge English Corpus The combined effects of less erosion-resistant marly limestone and the columnar jointing of basalts caused the rapid migration of the knickpoint toward the upstream reach. From theCambridge English Corpus Soils are coarse inceptisols originating from 2-3 m of volcanic ash overbasaltbedrock. From theCambridge English Corpus Mineral beads were added in order to reveal a possible influence ofbasaltand limonite on the molecular stability and formation of the derivatives. From theCambridge English Corpus The basalts have distinctive petrographic characteristics such as rounded and skeletal olivine phenocrysts with abundant melt inclusions, implying the mixing of two distinct magmas. From theCambridge English Corpus The rapid incision can be attributed to the adequacy of discharge under the prevailing warm and humid climate conditions afterbasaltextrusion. From theCambridge English Corpus The levels of elephant utilization and tree pushing were also determined for the four main geological substrates,basalt, granite, rhyolite and gabbros. From theCambridge English Corpus The breccia contains a variety of boulders, dominated by vesicularbasaltand phonolitic lavas. From theCambridge English Corpus Unweatheredbasaltminerals such as olivine and pyroxene contain high amounts of reduced iron that microbes can scavenge. From theCambridge English Corpus These two tuffs could have had the same parental magmas than the other tuffs and associated basalts. From theCambridge English Corpus Plucking may effectively erode the welljointed thickbasaltbed, resulting in boulders the size of which depends on the bedding and joints of the basalts. 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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