Table T4. Biostratigraphic datums, Site 1194.
 
Datum Core, section,
interval (cm)
Depth (mbsf) Mean
depth
(mbsf)
Age
(Ma)
First
absence or
presence
Last
presence or
absence

194-1194A-



LO Pseudoemiliania lacunosa 1H-1, 0, to 1H-2, 45 0.00 1.95 0.98 0.46
LO Globorotalia tosaensis 1H-1, 0, to 1H-2, 45 0.00 1.95 0.98 0.65
LO Discoaster surculus 1H-1, 0, to 1H-CC 0.00 4.65 2.33 2.60
LO Discoaster tamalis 1H-CC to 2H-CC 4.65 14.40 9.53 2.80
LO Dentoglobigerina altispira 1H-CC to 2H-CC 4.65 14.40 9.53 3.09
LO Sphaeroidinellopsis seminulina 2H-CC to 3H-CC 14.40 23.79 19.10 3.12
LO Reticulofenestra pseudoumbilica 3H-CC to 4H-CC 23.79 33.80 28.80 3.70
LO Amaurolithus spp. 5H-CC to 6H-CC 42.82 52.29 47.56 4.00
FO Globorotalia puncticulata 6H-2, 80, to 6H-5, 80 45.00 49.50 47.25 4.40
LO Discoaster quinqueramus 7H-CC to 8H-CC 62.18 71.63 66.91 5.60
FO Globorotalia margaritae 9H-CC to 10H-CC 80.84 90.85 85.85 6.40
FO Discoaster surculus 12H-CC to 13H-CC 109.80 117.38 113.59 7.50
LO Cyclicargolithus floridanus 13X-CC to 14X-1, 48 117.38 117.88 117.63 11.90

194-1194B-



LO Sphenolithus heteromorphus 5R-1 to 9R-1, 38 138.80 177.58 158.19 13.60
FO Sphenolithus heteromorphus Below 27R-CC


18.20
LO Globigerina ciperoensis 27R-CC to 29R-CC 350.30 369.50 359.90 19.30

Note: FO = first occurrence, LO = last occurrence.