The dating of volcanic eruptions and other events by studying layers of tephra.
单词 | θ7619 |
释义 | the world > the earth > earth sciences > geology > [noun] > dating (4) tephrochronology1944 The dating of volcanic eruptions and other events by studying layers of tephra. lichenometry1957 The dating of moraines or other surfaces recently exposed for lichen colonization by measurement of the size of lichens growing on them. Subcategories:— correlation (1) — ratio (1) |
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。