请输入您要查询的英文单词:

 

单词 groove cast
释义

> as lemmas

groove cast
groove cast n. Geology a ridge on the lower surface of a layer of sandstone corresponding to a groove on underlying mudstone.
ΘΚΠ
the world > the earth > structure of the earth > structural features > sedimentary formation > [noun] > stratum > position or direction of strata > load cast or sole-mark
groove cast1948
load cast1953
sole mark1961
1948 R. R. Shrock Sequence in Layered Rocks iv. 163 These interesting and puzzling ridges, here designated groove casts, seem to represent sand fillings (casts) of rectilinear, V-shaped and U-shaped grooves existing in the upper few millimeters of the bottom sediment on which sand was deposited.
1963 W. C. Krumbein & L. L. Sloss Stratigr. & Sedimentation (ed. 2) iv. 130 The upper right illustration shows groove casts, elongated parallel grooves or scratches oriented in the direction of current flow.
extracted from grooven.
<
as lemmas
随便看

 

英语词典包含1132095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。

 

Copyright © 2004-2022 Newdu.com All Rights Reserved
更新时间:2025/1/11 10:29:25