Fig. 36.-Scanning electron micrograph (secondary electron image) of unpolished plagioclase fragment (taken from Meideno Que and Alistair R. Allen, 1996)

A.-Sericite, altered plagioclase and micro pores in plagioclase, x 1000.

B.-Micro pores in plagioclase, x 4500.

C.-Elongated clot-like micro pores in plagioclase. Smaller pores at depth within the main pore also occur, x 5000.

D.-Sericite flakes in a micro pore of plagioclase.