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
51	417	B	1	1	0.0	44.0	0.00	0.44	0.44	DETRITAL	TERRIGENOUS	HETEROGENIC	SOFT	UNIDENTIFIED MATERIAL	NANNOFOSSIL	CLAY MINERAL			Successful	CLAY MINERAL RICH NANNOFOSSIL RICH MUD                      	DARK YELLOWISH BROWN CLAY                                   	1	0	99	LOWER QUATERNARY		NO AGE GIVEN	1.27	85	41
51	417	B	1	1	44.0	50.0	0.44	0.50	0.06	DETRITAL	TERRIGENOUS	HETEROGENIC	SOFT	ESTIMATED CARBONATE					Precoded data	CLAY                                                        	DARK YELLOWISH BROWN CLAY                                   	0	0	99	LOWER QUATERNARY		NO AGE GIVEN	1.30	83	7
51	417	B	1	1	50.0	150.0	0.50	1.50	1.00	DETRITAL				unk - 0000						DETRITAL SEDIMENT.                                          	DARK YELLOWISH BROWN CLAY                                   	0	0	100	LOWER QUATERNARY		NO AGE GIVEN	1.26	86	106
51	417	B	1	2	0.0	150.0	1.50	3.00	1.50	DETRITAL	PELAGIC	HETEROGENIC	SOFT	unk - 0000	CLAY MINERAL	CHERT FRAGMENT			Successful	CHERT FRAGMENT RICH CLAY MINERAL RICH PELAGIC CLAY          	DARK YELLOWISH BROWN CLAY                                   	0	15	85	LOWER QUATERNARY		NO AGE GIVEN	1.23	88	153
51	417	B	1	3	0.0	144.0	3.00	4.44	1.44	DETRITAL	PELAGIC	HETEROGENIC	SOFT	unk - 0000	CLAY MINERAL	IRON			Successful	IRON RICH CLAY MINERAL RICH PELAGIC CLAY                    	DARK YELLOWISH BROWN CLAY                                   	0	0	100	LOWER QUATERNARY		NO AGE GIVEN	1.27	85	142
51	417	B	1	4	0.0	62.0	4.50	5.12	0.62	DETRITAL	TERRIGENOUS	HETEROGENIC	SOFT	ESTIMATED CARBONATE					Precoded data	CLAY                                                        	DARK YELLOWISH BROWN CLAY                                   	0	0	100	LOWER QUATERNARY		NO AGE GIVEN			
51	417	B	1	CC	0.0	10.0	5.23	5.33	0.10	DETRITAL	TERRIGENOUS	HETEROGENIC	SOFT	ESTIMATED CARBONATE	CLAY MINERAL				Successful	CLAY MINERAL RICH CLAY                                      	BROWN CLAY                                                  	4	0	96