New Red Sandstone
| (Geol.) | an old name for the formation immediately above the coal measures or strata, now divided into the |
See also: New
| 单词 | new red sandstone | ||
| 释义 | New Red Sandstone
See also: New New Red SandstoneNew Red Sandstone,name for the thick red layer of the Triassic formation in Great Britain (see Triassic periodTriassic period, first period of the Mesozoic era of geologic time (see Geologic Timescale, table) from 205 to 250 million years ago. Throughout the Triassic, E North America, as a result of the mountain-building episode that formed the Appalachians in the late Paleozoic ..... Click the link for more information. ). It is many thousands of feet thick and is composed chiefly of red sandstones, clays, and conglomerate; the red color and the occurrence of workable quantities of salt and gypsum suggest markedly arid conditions at the time of deposition. New Red Sandstone[′nü ′red ′san‚stōn] |
||
| 随便看 |
|
英语词典包含2567994条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。