Table T3. Results of point counts on volcanic rock thin sections, Site 1190.
 
Core, section,
interval (cm)
Unit Rock type Number of points Groundmass
(%)
Vesicles
(%)
Phenocrysts (%)
Plagioclase
Clinopyroxene
Opaques
193-1190A-







1R-1 (Piece 1, 0-2) 1 Dacite 500 85.6 11.4 2.2 0.6 0.2
193-1190B-







2R-1 (Piece 7, 40-43) 1 Dacite 750 90.4 7.2 1.8 0.5 Tr
193-1190C-







2R-1 (Piece 1, 3-5) 1 Dacite 750 88.2 9.7 1.4 0.2 0.2
3R-1 (Piece 3, 7-9) 1 Dacite 750 84.0 14.4 1.3 0.1 0.1

Notes: Tr = trace. Point counts were measured using a rectangular grid with a = 0.667 mm and b = 0.8 mm.