= vulcanism, n. 1. Now rare.
| 单词 | θ7699 |
| 释义 | the world > the earth > earth sciences > theory of formation of earth > [noun] > internal heat (5) volcanism1811 = vulcanism, n. 1. Now rare. vulcanism1819 Frequently with capital initial. A theory attributing the origin of basalt and other crystalline rocks to volcanic action or to igneous processes in… plutonism1842 Usually with capital initial. The theory that crystalline rocks such as granite and basalt were formed by solidification from magma originating… undation theory1932 the theory that selective internal heating of the earth's mantle causes large wave-like folds to appear in the crust. magmatism1948 The theory advocated by magmatists. rare. |
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