Examples of 'shear zones' in a sentence
Meaning of "shear zones"
shear zones ~ regions within geological formations where rocks have moved past each other in opposite directions. This phrase is used in geology to describe areas of significant tectonic activity
How to use "shear zones" in a sentence
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shear zones
The shear zones are no longer geologically active.
Mineralization is related to sulphides in the shear zones.
Kinematic analysis in shear zones and fault zones.
These blocks were separated by subvertical shear zones.
These parallel shear zones formed between more competent felsic porphyry dikes.
En echelon veins or fractures may be observed within shear zones.
Two main shear zones pass through or run alongside the study area.
Gold deposits are associated with either shear zones or fracture zones.
The finite element results show progressive deformation of the excavation and propagation of shear zones.
Mylonites generally develop in ductile shear zones where high rates of strain are focused.
Mezoscopic and microscopic shear sense indicators in ductile shear zones.
Large scale ductile shear zones are an integral part of Limpopo belt architecture.
This model is illustrated by numerical simulations of mantle convection and shear zones.
Parts of the CMB follow shear zones of Precambrian age and the Paleozoic and Mesozoic.
This thesis aims to better understand the rheological state of lithospheric scale shear zones.
See also
Shear zones can be only inches wide, or up to several kilometres wide.
It has been identified as the extension of the George River and Moonbase shear zones.
This series of shear zones forms a 1-km corridor to the south of a conglomerate sequence.
Auriferous ore-bodies are localized along these shear zones.
The curituba pluton is in shear zones terminations sinistral and / or ne-sw direction fractures.
Weak beds and zones, including faults and shear zones.
Brittle shear zones ( faults ) usually widen with depth and with an increase in displacements.
Horsts may be subjected to important clockwise rotation inducing left-lateral shear zones.
Therefore, the north-trending shear zones may have been active for at least a billion years.
A group of moderately northwest-dipping reflections probably represents late extensional shear zones.
One of the primary concerns was a pair of wind shear zones off the island 's coast.
Striped gneisses are high-grade mylonites and occur at the very bottom of ductile shear zones.
Shear-heating associated with large shear zones in the crust has been proposed as the mechanism.
At the base of the crust this fluid separates to enter deep-seated crustal shear zones.
Therefore, these north-trending shear zones may have been tectonically active for at least a billion years.
Maximum displacements between tectono-stratigraphic assemblages occurred along early rather than late shear zones.
Field work helped delineate three areas where altered shear zones merit additional follow-up.
Mineralization was followed by reverse right-lateral shear along northwest-trending ductile-brittle shear zones.
Mineralization is hosted in silica-rich shear zones with sulphidechlorite-quartz veins and silicified granitoid sills.
The first generation of dikes intruded into E-W trending shear zones.
Catazonal syn-metamorphic shear zones are abundant in the Serpent Complex area.
Shear sense indicators in ductile and semi-ductile rocks . Kinematic analysis in shear zones.
Previously unreported and already known S2 shear zones represent prospective areas for gold exploration.
Stage 3, intrusion of mafic syenite plutons, some of which are layered, along shear zones.
Steeply dipping northeast-trending ductile shear zones may represent oblique ramps initiated during D1.
Gold - and silver-enriched zones are associated with disseminated pyrite, quartz veins, and shear zones.
The shear zones are overprinted by " cross folds, " west-vergent folds, crenulation cleavage, and thrusts.
Prior to mineralization, reverse shear occurred along northwest-striking and northeast-dipping ductile shear zones.
The upper crustal thrust-and-fold structures are likely linked to gold-bearing shear zones at Yellowknife.
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