Expedition Report, Volume 304/305
Ms 304305-103
Table T2. Average modal compositions of gabbroic rocks determined by visual estimates from thin sections, Hole U1309B. 

Note: N = number of samples.

		Modal composition (%):		
Rock type	N	Plagioclase	Olivine	Clinopyroxene
Troctolite	3	61.0	38.3	0.7
Troctolitic gabbro	3	74.6	18.5	7.0
Olivine gabbro	4	62.3	21.5	16.3
Olivine-bearing gabbro	4	68.0	3.1	28.9
Gabbro	17	56.1	0.0	43.9