Table T2. Radiolarian event chart for Hole 1082A.
Event
Species
Core, section,
interval (cm)
Depth
(mbsf)
Age
(Ma)



175-1082A-

1 LO Axoprunum angelinum 4H-4, 46-48 31.76 0.34



5H-4, 46-48 41.26 0.46
2 SA Heliosoma? sp. 5H-4, 46-48 41.26 0.46
3 FO Lamprocyrtis nigriniae 8H-4, 46-48 69.76 0.74



9H-4, 46-48 79.26 0.83
4 FO Pterocanium trilobum 12H-4, 45-47 107.75 1.10



13H-4, 46-48 117.26 1.19
5 LO Lamprocyrtis heteroporos 17X-3, 44-46 151.34 1.60



18X-4, 83-85 162.93 1.74
6 LO Lamprocyrtis neoheteroporos 18X-4, 83-85 162.93 1.74



18X-CC 163.06 1.75
7 LO Cycladophora pliocenica 21X-4, 46-48 191.46 2.08



21X-CC 193.47 2.11
8 LO Cycladophora sakaii 24X-CC 223.03 2.30



25X-4, 46-48 230.16 2.34
9 SA Corocalyptra kruegeri 26X-4, 46-48 239.76 2.40
10 RI Actinomma boreale group 30X-4, 46-48 278.26 2.73



31X-4, 46-48 287.86 2.91
11 FO/RI Cycladophora davisiana 31X-4, 46-48 287.86 2.91



31X-CC 289.10 2.93
12 RI Cycladophora sakaii 31X-4, 46-48 287.86 2.91



32X-4, 46-48 297.46 3.05
13 FO Cycladophora sakaii 36X-CC 328.55 3.17



35X-CC 328.60 3.17
14 FO Amphirhopalum ypsilon 36X-CC 328.55 3.17



35X-CC 328.60 3.17
15 LO Stichocorys peregrina 38X-CC 349.23 3.26



39X-CC 356.49 3.28
16 FO Cycladophora pliocenica 40X-4, 46-48 364.86 3.32



40X-CC 366.46 3.32
17 SA Antarctissa group 40X-4, 46-48 364.86 3.32
18 LO Spirema sp. 42X-4, 46-48 384.16 3.51



43X-4, 46-48 393.76 3.67
19 LCO Stichocorys group 46X-4, 30-32 422.50 4.27



47X-4, 46-48 432.26 4.39
20 FO Lamprocyrtis neoheteroporos 51X-CC 472.75 4.95



52X-CC 482.40 5.05
21 FO Spongurus pylomaticus 55X-4, 46-48 509.06 5.38



55X-CC 513.60 5.46

Note: FO = first occurrence, RI = rapid increase, LCO = last common occurrence, LO = last occurrence, SA = short acme.