Table T5. Radiolarian first and last occurrences and zonal boundaries, Site 1220.
Zonal
boundaries
Age
(Ma)
Hole, core, section,
interval (cm)
Depth
(mbsf)
Depth
(mcd)
Top
Bottom
Midpoint
±
Midpoint
±


199- 199-



RN1/RP22 23.62 1220A-3H-4, 45 1220A-3H-5, 45 24.40 0.50 24.40 0.50
RP22/21 24.60 1220A-4H-2, 45 1220A-4H-3, 45 31.20 0.75 33.45 0.75
RP21/20 28.80 1220A-5H-CC, 1220A-6H-1, 45 48.03 0.03 52.29 1.00
RP20/19 32.80 1220A-8H-2, 20 1220A-8H-3, 46 69.08 0.88 76.72 0.88
RP19/18 34.90 1220A-8H-6, 46 1220A-8H-7, 46 75.21 0.75 82.85 0.75
RP18/17 36.40 1220A-9H-6, 45 1220A-9H-7, 45 84.70 0.75 93.19 0.75
RP17/16 37.70 1220A-10H-4, 45 1220A-10H-5, 45 91.20 0.75 100.52 0.75
RP16/15 38.80 1220A-11H-7, 45 1220A-11H-CC 104.77 0.32 114.19 0.32
RP15/14 39.50 1220B-9H-1, 45 1220A-12H-5, 45 111.70 0.75 125.60 0.22
RP14/13 42.80 1220B-10H-3, 45 1220B-10H-4, 45 125.64 0.75 138.27 0.75
RP13/12 44.50 1220B-11H-1, 45 1220B-11H-2, 45 132.20 0.75 149.39 0.75
RP12/11 47.5 1220B-11H-CC 1220C-11H-3, 10 144.83 3.77 160.10 1.85
RP11/10 48.5 1220B-13H-CC 1220B-16X-1, 100 164.63 5.47 183.34 5.47
RP10/9 49 1220B-13H-CC 1220B-16X-1, 100 164.63 5.47 183.34 5.47
RP9/8 50.3 1220A-13H-CC 1220B-16X-1, 100 164.63 5.47 183.34 5.47
RP8/7 52.8 1220B-18X-2, 10 1220C-14X-6, 60 185.75 3.75 197.45 0.31

Notes: Derivation of ages is shown in Table T3 (see "Radiolarian Zonal Scheme and Taxonomy" in "Biostratigraphy" in the "Explanatory Notes" chapter). This table is also available in ASCII. [N1]