plumose structure

plumose structure

[′plü‚mōs ‚strək·chər]
(geology)
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References in periodicals archive ?
Aydin and DeGraff [9] and DeGraff and Aydin [17] described the crescentic hackles as plumose structures formed during fracturing, with the hackles oriented in a direction radiating away from the fracture origin in the direction of fracture propagation.
Fractures that have shear displacements develop slickensides rather than plumose structures and are more properly termed microfaults and shears.
Plumose structures could not be seen on fracture faces.