contact metamorphism
1contact metamorphism — Geol. localized metamorphism resulting from the heat of an igneous intrusion. [1875 80] * * * …
2contact metamorphism — noun or contact metasomatism : metamorphosis found in the region of contact of a rock mass with an igneous intrusion …
3Metamorphism — For other uses, see Metamorphism (disambiguation). Schematic representation of a metamorphic reaction. Abbreviations of minerals: act = actinolite; chl = chlorite; ep = epidote; gt = garnet; hbl = hornblende; plag = plagioclase. Two minerals… …
4metamorphism — /met euh mawr fiz euhm/, n. 1. Geol. a change in the structure or constitution of a rock due to natural agencies, as pressure and heat, esp. when the rock becomes harder and more completely crystalline. 2. Archaic. metamorphosis. [1835 45; META + …
5contact rock — noun : rock associated with a contact metamorphic zone compare contact metamorphism …
6contact metamorphic — adjective : formed by or associated with contact metamorphism …
7contact mineral — noun : a mineral whose origin is due to contact metamorphism …
8contact metasomatism — noun see contact metamorphism …
9local metamorphism — local metamorphism, = contact metamorphism. (Cf. ↑contact metamorphism) …
10dynamic metamorphism — noun geology : metamorphism characterized by shear movements as well as elevated temperature compare contact metamorphism …