单词 | diagenesis |
释义 | diagenesisn. Transformation by dissolution and recombination of elements. ΘΚΠ the world > matter > chemistry > chemical reactions or processes > [noun] > chemical reactions or processes (named) > miscellaneous other processes redintegrationa1550 decoction1555 fixion1555 cementation1592 fumigation1617 spiritualization1651 retortion1657 rocking1673 phosphorizationa1687 concentration1689 humectation1706 animalization1733 hyperoxygenation1793 bituminization1804 assimilation1830 metamorphosis1843 transformation1857 retorting1858 tincturation1860 regeneration1869 nitrification1880 diagenesis1886 aluminothermy1900 aluminothermics1902 photoprocess1910 olation1931 mass transfer1937 reconcentration1956 tritiation1961 borohydride reduction1965 1886 T. S. Hunt Mineral Physiol. & Physiogr. 173 The reactions..resulting not only in the conversion of amorphous into crystalline bodies, but in the breaking up of old combinations, as well as in the union of unlike matters mechanically mingled to form new crystalline species, are instructive examples of what Gümbel has termed diagenesis. 1965 New Scientist 30 Dec. 893 Diagenesis—the chemical alteration that takes place in sediments, turning them into rocks for posterity. 1965 G. J. Williams Econ. Geol. N.Z. vi. 65/2 Barium and strontium were concentrated by lowgrade diagenesis during the consolidation of 28,000 ft. of Triassic sediments. Derivatives diageˈnetic adj. of or pertaining to diagenesis. ΚΠ 1886 T. S. Hunt Mineral Physiol. & Physiogr. 173 An instructive phase in this diagenetic process is that of the gradual conversion of smaller crystalline grains or crystals into larger ones. This entry has not yet been fully updated (first published 1895; most recently modified version published online March 2018). < n.1886 |
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