889. Sandst memith v:l, J may Marcellus shale, Oil Springs, Clarke Gr, 12 dark grey L. with ots Sil- calcareous spar, fine grani- tite impregnated with fluid bitumen. Weathered sur- faces of a dull buff col. CaCO3 56.76 Mg CO3 21.302 Al Oxiding Fe+ Mn 11.260 P2O5 .438 H2SO4 .372 O Ash .193 Soda .103 Silica (hard, old) 2.480 Bituminous matter Tot & Loss 7.092 946. Clay, Pitters clay? 4 mile NW of Irvine in the Pittsmd township, Centre. Light buff clay with streaks of red earth. Appears to be principally fine quartz-sand with a few minute specks of decaying mica. Silica 71.75 Al. 17.58 Oxyd Fe 2.420 Lime, none Magnesia .547 H2SO4 .112 O Ash 2.271 Soda .322. H2 expelled at red heat 4.400 Total .568 23.57 ft to 10 miles, 324 steps. 32.4 2.35 1.620 972 648 5280) 6.142 (1.44 miles 5250 23340 21120 22.200