| 单词 | grey band |
| 释义 | > as lemmasgrey band grey band n. North American Geology (now chiefly historical) a stratum of bluish-grey flagstone. ΘΚΠ the world > the earth > structure of the earth > constituent materials > rock > sedimentary rock > [noun] > sandstone > others firestone1399 hassock1461 red stone1602 penistone1688 bluestone1709 gingerbread1714 brownstone1780 molasse1794 Old Red Sandstone1805 chip sand1808 fox-bench1816 New Red Sandstone1818 grey band1824 arkose1839 cankstone1845 St. Bees Sandstone1865 pietra serena1873 Ham Hill stone1889 1824 A. Eaton Geol. & Agric. Surv. District Erie Canal 36 (heading) Grey band, (or grey feke). 1863 J. D. Dana Man. Geol. 232 Flagstone,—a gray, laminated quartzose sandstone, called ‘gray band’. 1902 Canad. Rec. Sci. 9 120 In a cutting transverse to the grey band, by which a roadway ascends the Niagara escarpment, near Grimsby, the band shows excellent cross bedding. 1966 Lapidary Jrnl. Oct. 911/1 The caprock is of Kodak sandstone representing what in earlier literature is referred to as the Gray Band. < as lemmas |
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