Table T8. Epoch boundaries, Sites 1256, 844, and 845.
Boundary
Event
Depth (mbsf)
Site 1256
Site 844
Site 845
Pleistocene/Pliocene Olduvai (T); C2n (T) 17.48 16.18 ~35.0
late/early Pliocene Gauss (O); C2An.1n (O) 28.52 23.10 53.15
Pliocene/Miocene LO Discoaster quinqueramus 41.00-43.03 28.85-30.57 71.02-74.02
late/middle Miocene FO Catinaster coalitus 106.20-107.62 68.10-69.60 145.42-147.00
middle/early Miocene LO Helicosphaera ampliaperta Not reached 238.70-240.20 250.72-252.22

Notes: (T) = termination, (O) = onset. LO = last occurrence, FO = first occurrence. This table is also available in ASCII.