摘要
本文运用金属物理学和流变学理论,分析了辽宁凤城白云金矿早前寒武纪地体的应变特征.有关计算结果表明:区内岩石变形时的比温度值高,一般均>0.7,差异应力值低,约为(70～200)×10~5Pa 应变率也低,约为1.01×10^(-12.9)～5.67×10^(-16.5)/s.这种流变体服从于牛顿定律,并计算出等效粘滞系数为7.39×10^(18.9)～1.23×10^(22.5),本区岩石的变形过程是一种稳态流变过程.
According to metal-physics and rheology theory,this Paper analysises strain feature of early precambrain terrian in Baiyun gold deposit,Fengcheng,Liaoning province,P.R.China. The result of calculation shows that the high ratio value of deformation temperature of the rocks in the area is remarkable in character,that is T/T_m>0.7.Generally,the differential stress is low,it is about(70～200)×10~5Pa,the strain ratio is also low,and is about 1.01×10^(-12.9)～5.62×10^(-16.5)s^(-1).This is a steady state flow deformation.This rheological body is subordinated to Newton Law.The equivalent viscous fator is 7.39 ×10^(18.9)～1.23×10^(22.5)
关键词
金矿床
寒武纪
塑性流动变形
流变学
岩石
变形
Liaoning Baiyun
Gold deposit
Early precambrain terrian
Strain analysis
Plastic flow deformation
