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
21	204	A	1	1	25.0	90.0	86.25	86.90	0.65	DETRITAL	TERRIGENOUS	HETEROGENIC	HARD	unk - 4000	VOLC MATERIAL FRAG				Precoded data	VOLC MATERIAL FRAG RICH SANDSTONE                           	IRON OXIDE CLAY                                             	0	0	100	MIOCENE	OLIGOCENE	NO AGE GIVEN	1.23	88	23
21	204	A	1	1	90.0	150.0	86.90	87.50	0.60	DETRITAL	PELAGIC	HETEROGENIC	SOFT	unk - 0000	CLAY MINERAL	ZEOLITE			Successful	ZEOLITE RICH CLAY MINERAL RICH PELAGIC CLAY                 	OXENE BEARING IRON OXIDE AND PYRITE RICH ZEOLITE SILTY CLAY 	0	0	100	MIOCENE	OLIGOCENE	NO AGE GIVEN	1.31	83	63
21	204	A	1	2	0.0	115.0	87.50	88.65	1.15	DETRITAL	TERRIGENOUS	HETEROGENIC	SOFT	ESTIMATED CARBONATE					Precoded data	CLAY                                                        	IRON OXIDE CLAY                                             	0	0	100	MIOCENE	OLIGOCENE	NO AGE GIVEN	1.25	86	121
21	204	A	1	2	115.0	150.0	88.65	89.00	0.35	DETRITAL	TERRIGENOUS	HETEROGENIC	SOFT	ESTIMATED CARBONATE					Precoded data	CLAY                                                        	CLAY                                                        	0	0	100	MIOCENE	OLIGOCENE	NO AGE GIVEN	1.34	81	37
21	204	A	1	3	0.0	150.0	89.00	90.50	1.50	DETRITAL	TERRIGENOUS	HETEROGENIC	SOFT	ESTIMATED CARBONATE					Precoded data	CLAY                                                        	IRON OXIDE CLAY                                             	0	0	100	MIOCENE	OLIGOCENE	NO AGE GIVEN	1.39	78	156