Particle Shape

sub-rounded

http://resource.geosciml.org/classifier/cgi/particleshape/sub_rounded

star this property definition A clastic sedimentary particle showing considerable but incomplete abrasion and an original general form that is still discernible, and having many of its edges and corners noticeably rounded off to smooth curves, such as a cobble with a reduced number (5-10) of secondary corners, a considerably reduced area of the original faces, and a roundness value between 0.35 and 0.49 (midpoint at 0.41). more like this
star this property source Powers, M. C., 1953 A new roundness scale for sedimentary particles. Journal of Sedimentary Petrology, v. 23, p. 117-119 more like this
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Resource
Concept
star this property in scheme particleshape
star this property has top concept
sub rounded
unstar this property is primary topic of sub rounded& properties=isPrimaryTopicOf
star this property top concept of particleshape