| 单词 |
stratigraphy |
| 释义 |
stratigraphy|strəˈtɪgrəfɪ|
[f. L. strāti- combining form of strātum: see stratum and -graphy. Cf. F. stratigraphie.]
1. The branch of geology that is concerned with the order and relative position of the strata of the earth's crust.
1865Reader 4 Mar. 248/2 While accepting as a basis in theoretical geology the principles of Hutton, and in stratigraphy the work of William Smith, he [etc.]. 1891Blake in Q. Jrnl. Geol. Soc. XLVII. 341 Nor did he see any reason to doubt the correctness of his stratigraphy there.
2. The stratigraphical features (of a country, etc.); the order and relative position of the strata.
1882A. Geikie in Nature 7 Dec. 121/2 His monograph embraces the stratigraphy, palæontology, structure, eruptive rocks, and contact-metamorphism of the district. 1892Lapworth in Nature 18 Aug. 373/2 A formation, which is the unit of geological stratigraphy, is a rock sheet composed of many strata possessing common lithological characters.
transf.1912Man XII. 135 Dr. Peabody said that the perfect stratigraphy in Europe is contrasted with a vague stratigraphy in America. There the paleolithic form persists in later periods and Chellean types are found on the surface. |
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