‖ metasomatosis Geol.
(ˌmɛtəsəʊməˈtəʊsɪs)
[mod.L., f. meta- + Gr. σωµατ-, σῶµα body + -osis.]
The transformation of one rock into another of an entirely different kind.
| 1886 T. S. Hunt Min. Physiol. & Physiogr. 105 Although the crystalline rocks..have been supposed to be..the subject of wide-spread metasomatosis. 1888 Teall Brit. Petrogr. 438 Metasomatosis, the change of material due to chemical agencies, undergone by rocks subsequent to their formation. |