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本文研究花岗岩的矿物相和重熔结构.设想陆壳的老地层在地热升温时重熔,到745℃左右(测得气液包裹体温度),岩层未全部熔化时,形成为塑性软流体,其中留有残晶矿物。受地质作用,流体就向压力、温度低的方位运动,使其压力、温度降低,结束重熔期,开始结晶期。由残晶、重结晶、新结晶、残浆结晶相矿物。一起固结形成花岗岩。源岩的石英、黑云母等高温较稳定的矿物,大部分不能熔化,形成残晶相,重结晶相;长石类较脆性易活化矿物,大部分熔化了,形成新结晶相。组成特征的重熔结构.
In this paper, we study the mineralogical and remelting structures of granites.It is assumed that the old continental crust remelted at geothermal heating up to about 745 ℃ (measured gas-liquid inclusionstemperature) Which left residual crystal minerals. By the geological role, the fluid pressure to the low temperature of the movement, so that the pressure, temperature decreases, the end of the remelting period, began the crystallization period. From residual crystal, recrystallization, new crystals, residual slurry crystalline phase minerals. Together to form a granite. Most of the relatively stable high-temperature minerals, such as quartz and biotite, of the source rocks can not be melted to form a residual crystal phase and a recrystallized phase. Most of the feldspar-type brittle and easily activated minerals are melted to form a new crystalline phase. Composition of the characteristics of the remelting structure.