No abstract

rooks and Gittins make three main criticisms of my paper. The first, and perhaps the most impor­tant, is that they (Gittins et al. 1980) have already described and illustrated "all the textures de­scribed by Hesselbo and some additional ones". However, the four photomicrographs referred to (Gittins et al. 1980, p.121) are only of inter­growth sets from plutonic rocks and devoid of crystal outlines, which, by their own conclusions, should not actually be called pseudoleucite at all....