变形结构(deformational texture )是指原岩在应力作用下,当压力超过岩石或矿物的弹性极限时,便发生塑性变形。如应力超过其强度极限时,则发生破裂和粒化作用,形成各种变形结构。岩石或矿物在受应力超过弹性限度时,会发生变形作用,产生变形结构。应力大于弹性极限时会产生脆性变形(一般在浅部低温低压),岩石所受压力超过塑性弯曲强度时会产生塑性变形(一般在深部高温高压),产生不同变形结构。
此类轴承有开式和闭式多种变形结构。
Such bearings have a variety of open and closed deformation structure.
本文详细研究了台湾澎湖列岛上地幔幔源包体的变形结构、组构和橄榄石位错构造。
This paper deals with deformation textures, petrofabrics and dislocation microstructures of olivine from the mantle-derived xenoliths in the Penghu Islands, Taiwan.
灰池子岩体主要由花岗岩类岩石组成,该岩体岩石普遍具变形结构,变形过程较复杂。
The Hueichizi granitic pluton consists mainly of granitoid rocks. which have in common deformation fabric and complicated deformation processes.
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