| 释义 |
cryptovolcanic, a. Geol.|ˌkrɪptəʊvɒlˈkænɪk|
[ad. G. kryptovulkanisch (W. Branco and E. Fraas 1905, in Abh. K. Preuss. Akad. Wiss. 57), f. crypto- + volcanic a.]
cryptovolcanic structure: a nearly circular area not associated with igneous rock but having features suggesting volcanic activity.
1921W. H. Bucher in Bull. Geol. Soc. Amer. XXXII. 75 The Steinheim Basin..has thus far been the only known representative of this type of structure, for which Branco and Fraas proposed the term ‘cryptovolcanic’. 1954W. D. Thornbury Princ. Geomorphol. (1962) ix. 211 A rare but interesting type of dome is the cryptovolcanic structure. It is thought to be produced by the sudden release of volcanic gases at depth. Ibid. xx. 521 Some alleged cryptovolcanic structures may prove to be meteorite craters. 1969C. Ollier Volcanoes iii. 33 Gosses Bluff in central Australia may be a cryptovolcanic structure. |