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根据熔融包裹体的均一温度和均一过程的时间,利用熔融包裹体的扩散率公式(DH=r2/4t)、Eyring方程(DN=KB·T/η·λ)以及不同含水量花岗质熔体的LnDH-1/T实验图解,计算了胶东金矿区内与金矿形成关系密切的栾家河岩体中包裹体熔体的粘度和含水量。结果表明,熔融包裹体均一温度为970℃,粘度为3.8×106Pa·s,含水量为2.5%;流体熔融包裹体的均一温度为855℃,粘度为617.7Pa·s,含水量为5.8%,反映出花岗岩浆在结晶过程中含水量不断增高,粘度不断降低,到结晶作用晚期,流体相接近饱和状态。
According to the uniform temperature of the melt inclusions and the time of the uniform process, the diffusion equation (DH = r2 / 4t), the Eyring equation (DN = KB · T / η · λ) and the granite melts with different water contents Body LnDH-1 / T experimental chart, calculate the viscosity and water content of inclusions in the Luan Jiahe rock mass that is closely related to the gold deposits in the Jiaodong gold mining area. The results show that the homogenization temperature of the melt inclusions is 970 ℃, the viscosity is 3.8 × 106Pa · s and the water content is 2.5%. The homogenization temperature of the melt inclusions is 855 ℃, the viscosity is 617.7Pa · s, The amount of water is 5.8%, which indicates that the water content of granite magma in the crystallization process is increasing continuously and the viscosity decreases continuously. When the crystallization is late, the fluid phase is nearly saturated.