widmanstatten figure

With 18 microphotographs, the authors illustrate the autometasomatism of the rocks and, on such a basis, try to demonstrate their petrogenesis.

通过对白云鄂博矿床赋矿岩石 (白云岩和富钾板岩 )的自交代现象研究论证其成因 ,认为白云岩的原岩是碳酸岩质岩浆岩 ,富钾板岩是一套沉积火山岩系 ,其中微晶隐晶质钾长石岩为粗面质火山碎屑岩或凝灰岩。