leg	site	hole	core	section	top interval depth (cm)	bottom interval depth (cm)	top of layer (m)	bottom of layer(m)	thickness of layer(m)	lithology	source	heterogeneity	hardness	comp1	comp2	comp3	comp4	comp5	processing history flag	lithology name from screen program	lithology name from shipboard observer	avg. calcareous material	avg. siliceous material	avg. detrital material	age mnemonic at top of layer	age mnemonic at bottom of layer	age code(interpreted)	avg density from g.r.a.p.e.	avg porosity from g.r.a.p.e.	number of g.r.a.p.e. measurements
31	291	A	1	1	0.0	150.0	98.00	99.50	1.50	DETRITAL	PELAGIC	HETEROGENIC	SOFT	unk - 0000	CLAY MINERAL	IRON			Successful	IRON RICH CLAY MINERAL RICH PELAGIC CLAY                    	IRON OXIDE RICH CLAY                                        	2	0	98	UPPER OLIGOCENE		NO AGE GIVEN			
31	291	A	1	5	0.0	150.0	104.00	105.50	1.50	DETRITAL	PELAGIC	HETEROGENIC	SOFT	unk - 0000	CLAY MINERAL	IRON				IRON RICH CLAY MINERAL RICH PELAGIC CLAY                    	IRON RICH CLAY                                              	0	0	0	UPPER OLIGOCENE		NO AGE GIVEN			
31	291	A	1	6	0.0	150.0	105.50	107.00	1.50	DETRITAL	PELAGIC	HETEROGENIC	SOFT	unk - 0000	CLAY MINERAL	IRON			Successful	IRON RICH CLAY MINERAL RICH PELAGIC CLAY                    	IRON OXIDE CLAY AND CLAYEY NANNO OOZE                       	0	4	96	UPPER OLIGOCENE		NO AGE GIVEN	1.92	47	85