Thin section (x400) of a sesquioxidic nodule in Ae of slide #140; ordinary light

Thin section of Ae in slide #184; x200; shows quartz, microcline & biotite.

Thin section (x200) of Ae in slide #140 showing ferroargillaceous nodule.

Thin section of Ah in slide #140; showing same as in slide #188, x200 but in ordinary light.

Thin section of Ah in slide # 140 showing root channel; x200.

Thin section (x200) of BC in slide #140 showing a calcareous nodule and note the surrounding cutans

Thin section x200 of calcareous sandstone in the C horizon, n.b. the quartz grain and calcareous material from profile slide # 172 & 173.

Thin section x200 of weathered shale on Ae of Profile in slide #172.

Thin section same as #198, but with different light; dark areas are pores.

Thin section (x200) showing calcareous nodule in a ferro-argillaceous matrix; black areas are voids