释义 |
Wentworth scale
Wentworth scale n (Geological Science) geology a scale for specifying the sizes (diameters) of sedimentary particles, ranging from clay particles (less than mm) to boulders (over 256 mm) [after C. K. Wentworth (1891–1969), US geologist]Wentworth scale
Wentworth scale[′went‚wərth ‚skāl] (geology) A geometric grade scale for sedimentary particles ranging from clay particles (diameter less than ¹⁄₂₅₀ millimeter) to boulders (diameters greater than 256 millimeters), in which the size classes are related to one another by a constant ratio of 1/2 (4, 2, 1, ½, etc.). |