单词 | marcellus shale |
释义 | Marcellus shalen. Geology. A highly bituminous black shale of Devonian age found in the north-eastern United States. ΘΚΠ the world > the earth > structure of the earth > constituent materials > rock > sedimentary rock > [noun] > shale > bituminous shale Kimmeridge coal1761 jet coal1794 jet rock1798 Kupferschiefer1830 Marcellus shale1843 jet1893 1843 J. Hall in W. W. Mather et al. Geol. N.Y. iv. xxiii. 503 From beneath these, pass out all that remains of the Hamilton group and Marcellus Shales, the whole known as the black bituminous shales of the Ohio reports, and possessing..the character of the Marcellus Shale of New-York. 1879 Encycl. Brit. X. 345/2 In the Hamilton formation (embracing the Marcellus shale, the Hamilton beds, and the Genesee shale) remains of land-plants occur. 1901 Bull. Geol. Soc. Amer. 13 535 The dark Marcellus shales carry a fauna whose members show evidence..of having been surrounded by conditions which evince a shallow and befouled sea. 1963 D. W. Humphries & E. E. Humphries tr. H. Termier & G. Termier Erosion & Sedimentation xi. 228 The black Marcellus Shale is particularly rich in organic matter. 1991 Rocks & Minerals 66 41 (title) Herkimer ‘diamondlike’ quartz mineralization and calcite twins in the Marcellus Shale near Syracuse, Onondaga County, New York. This is a new entry (OED Third Edition, September 2000; most recently modified version published online March 2022). < |
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