蛇紋岩中の緑泥石に伴う規則型緑泥石/バーミキュライト混合層鉱物
1979 年 14 巻 Special1 号 p. 30-41
詳細
1979 年 14 巻 Special1 号 p. 30-41
Coarse-grained chlorite (penninite) flakes in talc-chlorite vein, which developed in serpentinite body at Torika, Saipi-cho, Nagasaki Prefecture, were investigated by X-ray, chemical and thermal methods, and it was clarified that a part of chlorite flakes are altered into a regularly interstratified chlorite/vermiculite by weathering. The regularly interstified chlorite/vermiculite gives hkl reflections, which have been indexed in terms of an orthohexagonal cell (a=5.34, b=9.25, c=28.8 Å). A stacking sequence composed of I vermiculite and IIb chlorite layer types was found on the basis of the 20 l intensities.
