词汇 | metamorphic |
释义 | metamorphic adjective geology specializeduk /ˌmet.əˈmɔː.fɪk/ us /ˌmet̬.əˈmɔːr.fɪk/ (of rock) changed into a new form and structure by very great heat and pressure: (岩石)变质的(因高温、高压变成了一种新的形状和结构) Slate and gneiss are metamorphic rocks.板岩和片麻岩都是变质岩。 Compare igneous sedimentary Geology: types of rock agglomerate arenaceous arenite asthenosphere asthenospheric emery flinty gneiss haematite indurated intrusive lahar limestone lodestone magma marl marmoreal obsidian sandstone schist metamorphic | American Dictionarymetamorphic adjective[ not gradable ] us/ˌmet̬·əˈmɔr·fɪk/ earth science describes rocks changed to a new form as a result of physical processes, such as pressure or heat metamorphismnoun[ U ] earth scienceus/ˌmet̬·əˈmɔrˌfɪz·əm/ Examples of metamorphicmetamorphic Similarly, recent advances in the understanding of metamorphic differentiation in terms of self-organization are mentioned only briefly. The appearance of such almost-parallel folds is surprising as competency contrasts should be low at high-grade metamorphic conditions. This work attempts to define metamorphic conditions through an in-depth study of various types of metamorphosed xenoliths, with various mineral assemblages and their chemical compositions. The gravel deposits are made up of relatively well-sorted and rounded metamorphic and volcanic clasts. In the southern part of the massif, 'ophiolites' are found as thin slices belonging to higher levels of the high-grade metamorphic unit. The lower part of the metamorphic sole is composed of kyanite and garnet-bearing mica schist, mica schist, quartzite and marble. Continuous subduction also leads to off-scraping of the metamorphic blocks under low-temperature conditions. It is assumed that the area north of the longitudinal fault zone was uplifted, bringing deeper metamorphic levels closer to the surface. 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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