Particle Shape

sub-angular

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

star this property definition A clastic sedimentary particle showing definite effects of slight abrasion, retaining its original general form, and having faces that are virtually untouched and edges and corners that are rounded off to some extent, such as a glacial boulder with numerous (10-20) secondary corners and a roundness value between 0.25 and 0.35 (midpoint at 0.300). 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
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angular
anhedral
diffuse
euhedral
resorbed
rounded
shape not specified
sub angular
sub rounded
subhedral
very angular
well rounded
star this property is primary topic of sub angular& properties=inScheme.hasTopConcept
star this property top concept of particleshape