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
67	498		1	1	8.0	43.0	0.08	0.43	0.35	DETRITAL	TERRIGENOUS	HETEROGENIC	SOFT	UNIDENTIFIED MATERIAL	CLAY MINERAL	GLASS			Successful	GLASS RICH CLAY MINERAL RICH MUD                            	DIATOMACEOUS MUD                                            	3	12	86	QUATERNARY		NO AGE GIVEN			
67	498		1	2	0.0	145.0	1.50	2.95	1.45	DETRITAL	TERRIGENOUS	HETEROGENIC	SOFT	UNIDENTIFIED MATERIAL	CLAY MINERAL	QUARTZ			Successful	QUARTZ RICH CLAY MINERAL RICH MUD                           	DIATOMACEOUS MUD                                            	0	6	94	QUATERNARY		NO AGE GIVEN			
67	498		1	3	0.0	102.0	3.00	4.02	1.02	DETRITAL	TERRIGENOUS	HETEROGENIC	SOFT	UNIDENTIFIED MATERIAL	CLAY MINERAL	GLASS			Successful	GLASS RICH CLAY MINERAL RICH MUD                            	MUD                                                         	2	17	81	QUATERNARY		NO AGE GIVEN			
67	498		1	CC	0.0	12.0	4.12	4.24	0.12	DETRITAL	TERRIGENOUS	HETEROGENIC	SOFT	UNIDENTIFIED MATERIAL	CLAY MINERAL					CLASTIC SEDIMENT.                                           	DIATOMACEOUS MUD                                            	0	0	0	QUATERNARY		NO AGE GIVEN			
67	498		2	1	9.0	65.0	50.59	51.15	0.56	DETRITAL	TERRIGENOUS	HETEROGENIC	SOFT	UNIDENTIFIED MATERIAL	CLAY MINERAL	DIATOM			Successful	DIATOM RICH CLAY MINERAL RICH MUD                           	BIOGENIC SILICEOUS MUD                                      	3	18	79	QUATERNARY		NO AGE GIVEN			
67	498		2	CC	0.0	26.0	51.25	51.51	0.26	DETRITAL	TERRIGENOUS	HETEROGENIC	SOFT	UNIDENTIFIED MATERIAL					Precoded data	MUD                                                         	BIOGENIC SILICEOUS MUD                                      	0	0	79	QUATERNARY		NO AGE GIVEN