| 词汇 | outcrop |
| 释义 | outcrop noun[ C ] uk /ˈaʊt.krɒp/ us /ˈaʊt.krɑːp/(US alsooutcropping, us/-ɪŋ/uk) a large rock or group of rocks that sticks out of the ground露出地面的岩石（或岩层） Protruding and sticking out beetling bristly bug bug out bulbous bulge ledge male overhang overhanging peek poke project protrude protuberance protuberant proud stick stick out stick up outcrop | American Dictionaryoutcrop noun[ C ] us/ˈɑʊtˌkrɑp/ earth science an area of bedrock (= solid rock that supports the earth above it) that can be seen at the surface of the earth Examples of outcropoutcrop Concentrations of pumice clasts towards the base form trains of clasts that are traceable along the length of outcrops. We can therefore confidently assume that transgression proceeded well beyond all of these limiting outcrops. If o lightning impacts on an outcrop with abundant cracks and fractures, the strong currents will cause moisture in the cracks to evaporate instantaneously. Distances are approximations based on known outcrops of materials. Therefore, alteration conditions must always be studied individually in each outcrop and cannot be assumed to be spatially invariant. The terrain at the western end of the hills consists of a plateau region with sandstone outcrops and slow-flowing streams. It is obvious that the lightning hit and blasted an outcrop of metacherts. These can be compared with what we see preserved in the field, thus enhancing our interpretations of outcrop geology. It is important to use structural geometries on an outcrop scale and local cross-cutting relationships to evaluate their relative timing. Map shows the outcrop distribution and, where differentiated, the formations are indicated by patterned fill. Thicknesses estimated from structural dip of the units where intersected by boreholes or at outcrop. In laterite outcrops, where the influence of the rains is hardly felt, large expanses of small bamboos of stunted appearance are met with. These were collected from different outcrops several kilometres apart, within the mangrove swamp units of the area, with a vibracorer at very shallow depth. The papers are illustrated with maps, cross-sections, burial history curves, seismic lines, and photographs of cores, photomicrographs and even rocky outcrops. Also, a low concentration would be preferred since free water on ironstone outcrops is largely unavailable. 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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