摘要
分形不仅能揭示地质现象的复杂程度 ,且在某种程度上反映了地质过程的成因本质。上杭 -尤溪地区的分形研究表明 :①侵入岩的分形值普遍较小 ,火山岩的分形值普遍较大 ;②火山岩的分形值与应力成正相关 ,而侵入岩则相反 ;③分形值受区内大型的政和 -大埔断裂、上杭-云霄断裂、永安 -晋江断裂控制 ;④火山岩的分形值接近于临界值时对成矿有利。
Fractal can to some extent reveal complicated characteristics and reflect genetic essence.Fractal characteristics of magmatic rocks in Shanghang_Youxi reveal the following phenomena:(1) fractals of extrusive rocks are larger than fractals of intrusive rocks;(2)fractals of extrusive rocks are in positive relationship with paleostress. Fractals of intrusive rocks are in negative relationship with paleostress;(3)fractals are controlled by crustal or mantle faults such as Zhenghe_Dapu fault,Shanghang_Yunxiao fault and Yongan_Jinjiang fault;(4)volcanic fractals approaching critical values are advantageous to metallogeny.
基金
地质行业发展基金!"福建德化双旗山金矿成矿动力学"资助 (Qh980 6)
