Initial Reports, Volume 199																			
Ms 199-114																			
Chapter 14, Table T3. Radiolarian zonal boundaries, Site 1221.																			

Notes: * = new ages calibrated from geomagnetic reversals at Site 1220.																			

		Top							Bottom										
Zonal boundaries	Age (Ma)	Leg	Site	Hole	Core	Type	Section	Interval (cm)	Leg	Site	Hole	Core	Type	Section	Interval (cm)	Midpoint depth (mbsf)	Plus/minus depth (mbsf)	Midpoint Depth (mcd)	Plus/minus depth (mcd)
RP20/19	33.47	199	1221	A	1	H	5	45	199	1221	B	2	H	3	22	7.19	0.74	6.29	0.40
RP19/18	34.77	199	1221	A	1	H	6	45	199	1221	B	2	H	4	7	8.61	0.66	7.71	0.32
RP18/17	36.96	199	1221	A	2	H	7	43	199	1221	A	2	H	CC		19.13	0.20	19.51	0.20
RP17/16	38.12	199	1221	A	3	H	3	46	199	1221	A	3	H	4	46	23.21	0.75	24.09	0.75
RP16/15	40.12	199	1221	A	4	H	5	45	199	1221	A	4	H	6	45	35.70	0.75	37.08	0.75
RP15/14	41.39	199	1221	A	6	H	3	45	199	1221	A	6	H	4	45	51.70	0.75	53.08	0.75
RP14/13	43.30	199	1221	A	7	H	6	45	199	1221	A	7	H	CC		66.02	1.07	67.40	1.07
RP13/12	44.48	199	1221	A	9	H	1	45	199	1221	A	9	H	2	45	77.18	0.73	79.56	0.73
RP12/11	45.89	199	1221	A	11	H	6	45	199	1221	A	11	H	7	45	103.70	0.75	106.08	0.75
RP8/7	52.22	199	1221	A	12	H	CC		199	1221	C	10	X	CC		127.68	13.35	128.87	12.16