释义 |
flowstone Geol. orig. U.S.|ˈfləʊstəʊn| [f. flow v. + stone n.] Rock, or a rock formation, deposited by water flowing in a thin sheet.
1925U.S. Geol. Surv. Bull. 760 110 Deposits of calcium carbonate have also accumulated against the walls in many places where water trickles from the rock... To distinguish this material from that deposited by dripping water, it has been called ‘flowstone’. Ibid. (Plate XXV, caption) Because of the resemblance of this material to ice, it is popularly known as flowstone. 1953G. T. Warwick in C. Cullingford Brit. Caving iv. 63 Very similar to these [dripstones] are those formed from thin films of water flowing over the surfaces of a cave, which are called flowstone deposits by the Americans. 1958Times Lit. Suppl. 25 July 426/3 The reader who hardly knows what a pothole or a flowstone is. 1969J. D. Hanwell in C. Cullingford Man. Caving Techniques xiii. 241 Massive barriers of stalagmite and flowstone can often block an obvious way on. 1971Islander (Victoria, B.C.) 24 Jan. 5/2 Stalactites formed by water flowing along a wall or crack are flowstones. |