slickenside

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slickenside

[′slik·ən‚sīd]
(geology)
A surface that is polished and smoothly striated and results from slippage along a fault plane.
References in periodicals archive ?
All the three soils derived from three different parent materials showed that the soils are rich in clay content which can be confirmed by pressure faces and non' intersecting slickensides in subsurface horizon, which yield in high CEC in all three soils.
Many well-drained occurrences in this interval contain pedogenic slickensides, mud aggregates (Gardiner 2005), and caliche nodules, suggesting seasonal variations in precipitation.
Makli fault surface showing sub-horizontal slickensides on brecciated Laki Limestone outcrop(along the white arrow and to its right).
Presentes slickensides estriados, bien definidos y grietas verticales.
No evidence of fault movements such as strain indicators or slickensides has been observed in any breccia exposure.
Due to tectonic inter-bed sliding, calcite slickensides 1-2 cm thick have deposited both at the bottom and at the top of the clay-rich interval, irregularly altering the basal part of the K-T boundary marly clay.
fault': "Faulting may smoothly polish the walls of the fault plane, marking them with scratches called slickensides, or it may crush them to a fine-grained, claylike substance known as fault gouge; when the crushed rock is relatively coarse-grained it is called fault breccia.
In addition, how could slickensides (polished and smoothed striations made in hard rock by fault action), fault gouge and breccias (pieces of angular rock and earthy material along faults), and the sharply offset rock layers along faults (rather than layers slumping into faults) have formed in rock that was still soft?
The process is revealed by features such as slickensides, wedge-shaped peds and wide, long cracks.
These blocks can slide past one another causing polished surfaces called slickensides.