词汇 | mineralogical |
释义 | mineralogical adjective geologyuk /ˌmɪn.ə.rəˈlɒdʒ.ɪ.kəl/ us /ˌmɪn.ə.rəˈlɑː.dʒɪ.kəl/ relating to mineralogy (= the scientific study of minerals): 矿物学的 important mineralogical research重要的矿物学研究 the Mineralogical Society of America美国矿物学会 See mineralogy Mineralogical analysis and microscopic examination of soil structures is well advanced. On one expedition, he made the first mineralogical survey of Puerto Rico. There are many ways to check mineralogical data. Geology: mineralogy beneficiation crude crystal crystalline deposit gemologist gemology gold dust graphite idiomorphic intercrystalline magnesium mineral quasicrystal seam silicon unmined vermiculite vulcanicity zircon Examples of mineralogicalmineralogical Laboratory-based mineralogical investigations involved examination of thin- and particulate sections for the heavy mineral contents and sedimentary textures. These mineralogical changes take place over a section less than 300 m thick, and potentially indicate significant differences in transport distances and in provenance. Other theories - proteins/ nucleic acids first and mineralogical origins - are also discussed in the context of information theory. Alongside this, it proposes collecting geological and mineralogical data in o order to draw up a geological map of the region. The rocks show pure magmatic fabrics and mineralogical assemblages, except at the contact with the high-grade metamorphic rocks. The mineralogical and textural difference of the two iron oxides might reflect differences in the environment of precipitation. It is concluded from mineralogical and chemical evidence that even smallscale crystallization and settling within a magma body puts its clear signature on the compositions. Furthermore, mineralogical and biological evidence, along with molecular, biometric and particularly morphological data, must support a biogenic origin. Over 150 species have been found in these deposits, and in terms of mineral diversity they are a kind of 'mineralogical rainforest'. Different solvents can dissolve different mineralogical and salt components of samples, which can result in the masking of an organic signature. The volume contains definitions of over 16 000 gemological and mineralogical terms. Both sets of cycles can be easily recognized at the type section, where weathering enhances mineralogical differences between the organic-rich and organic-poor bands. Aeolian fractionation can lead to downwind changes in the chemical composition of distal ash fall deposits, connected to changes in the mineralogical composition. As in most areas, the hydraulic and mineralogical particulate fractionation results in increasing trace-metal concentration, along with decreasing sedimentary grain size. The sediment cores were sub-sampled at various depths and analysed for chemical, isotopic and mineralogical content. See all examples of mineralogical 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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