284 Sienite; felspar somewhat granular, a little quartz and chlorite?
285 Porphyritic sienite? having a basis of slightly granular felspar, with light-coloured crystals of felspar, some quartz and disseminated grains of chlorite?
286 Reddish-brown hornstone porphyry.
287 Crystalline greenstone.
288 Fine-grained greenstone.
289 Porphyritic greenstone.
290 Pitchstone porphyry.
291 Greenstone slate with pyrites.
292 Amygdaloidal claystone porphyry.
293 Compact grayish-blue dolomite.