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
4	24		1	1	0.0	45.0	198.00	198.45	0.45	DETRITAL	TERRIGENOUS	HETEROGENIC	HARD	OTHER SILICEOUS	CLAY MINERAL	GLAUCONITE			Successful	GLAUCONITE RICH CLAY MINERAL RICH SANDY MUDSTONE            	SANDSTONE                                                   	6	0	94	LOWER MIOCENE		NO AGE GIVEN			
4	24		2	1	0.0	77.0	207.00	207.77	0.77	DETRITAL	TERRIGENOUS	HETEROGENIC	HARD	OTHER SILICEOUS	QUARTZ				Successful	QUARTZ RICH SANDY MUDSTONE                                  	SILTY SANDSTONE                                             	0	0	100	LOWER MIOCENE		NO AGE GIVEN	1.82	53	5
4	24		4	2	0.0	150.0	226.50	228.00	1.50	DETRITAL	TERRIGENOUS	HETEROGENIC	HARD	ESTIMATED CARBONATE	CLAY MINERAL				Successful	CLAY MINERAL RICH CLAYSTONE                                 	CLAYSTONE                                                   	0	0	100	LOWER MIOCENE		NO AGE GIVEN	1.91	47	158
4	24		4	3	0.0	150.0	228.00	229.50	1.50	DETRITAL	TERRIGENOUS	HETEROGENIC		unk - 0000						CLASTIC SEDIMENT.                                           	CLAY                                                        	1	0	99	LOWER MIOCENE		NO AGE GIVEN	1.79	55	157
4	24		4	4	0.0	150.0	229.50	231.00	1.50	DETRITAL	TERRIGENOUS	HETEROGENIC	SOFT	ESTIMATED CARBONATE	CLAY MINERAL				Successful	CLAY MINERAL RICH CLAY                                      	CLAY                                                        	0	0	100	LOWER MIOCENE		NO AGE GIVEN	1.70	59	158