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单词 flowstone
释义

flowstonen.

Brit. /ˈfləʊstəʊn/, U.S. /ˈfloʊˌstoʊn/
Etymology: < flow v. + stone n.
Geology. Originally U.S.
Rock, or a rock formation, deposited by water flowing in a thin sheet.
ΘΚΠ
the world > the earth > structure of the earth > constituent materials > rock > sedimentary rock > [noun] > other sedimentaries
dunstonea1613
rock phosphate1852
psammite1882
tillite1907
flowstone1925
tilloid1931
turbidite1957
1925 U.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’.
1925 U.S. Geol. Surv. Bull. 760 Plate 25 (caption) Because of the resemblance of this material to ice, it is popularly known as flowstone.
1953 G. 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.
1958 Times Lit. Suppl. 25 July 426/3 The reader who hardly knows what a pothole or a flowstone is.
1969 J. D. Hanwell in C. Cullingford Man. Caving Techniques xiii. 241 Massive barriers of stalagmite and flowstone can often block an obvious way on.
1971 Islander (Victoria, Brit. Columbia) 24 Jan. 5/2 Stalactites formed by water flowing along a wall or crack are flowstones.
This entry has not yet been fully updated (first published 1972; most recently modified version published online March 2022).
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n.1925
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