Stratigraphic event
|
Age
(Ma) |
Core, section,
interval (cm) |
Depth
(mbsf) |
Middle
depth (mbsf) |
---|---|---|---|---|
186-1150A- | 23.95/26.95 | 25.45 | ||
FO Emiliania huxleyi | 0.248 | 3H-5, 75-76/3H-7, 75-76 | 46.33/55.73 | 51.03 |
LO Proboscia curvirostris | 0.30 | 5H-CC/6H-CC | 69.65/76.15 | 72.90 |
LO Stylatractus universus | 0.43 | 8H-4, 45-47/9H-2, 45-47 | 72.61/73.21 | 72.91 |
B C1n (B Brunhes) | 0.780 | 8H-6, 41/8H-6, 100 | 92.46/93.96 | 93.21 |
FO Gephyrocapsa parallela | 0.940 | 10H-7, 75-76/11H-1, 76-77 | 95.16/98.16 | 96.66 |
LO Eucyrtidium matuyamai | 1.03 | 11H-2, 46-48/11H-4, 46-48 | 124.7/126.8 | 125.75 |
FO Gephyrocapsa caribbeanica | 1.71 | 14X-CC/15H-1, 75-76 | 122.82/136 | 129.41 |
LO Neogloboquadrina asanoi | 1.8 | 14X-5, 42-44/16X-1, 40-44 | 139.36/139.6 | 139.48 |
LO Discoaster brouweri | 1.95 | 16X-3, 76-77/16X-CC | 184.6/185.1 | 184.85 |
T C2An (T Gauss) | 2.581 | 21X-1, 100/21X-2, 92 | 250.6/251.2 | 250.90 |
LO Discoaster tamalis | 2.82 | 27X-7, 10/11/27X-CC | 313.14/314.73 | 313.94 |
T C3n.1n (T Cochiti) | 4.180 | 34X-3, 103/34X-4, 112 | 428.66/434.31 | 431.49 |
B C3n.1n (B Cochiti) | 4.290 | 46X-3, 135/47X-1, 21 | 626.08/626.74 | 626.41 |
T C3n.3n (T Sidufjall) | 4.800 | 66X-6, 128/66X-7, 43 | 681.69/682.57 | 682.13 |
B C3n.3n (B Sidufjall) | 4.890 | 72X-5, 142/72X-6, 67 | 723/729.41 | 726.21 |
T C3n.4n (T Thvera) | 4.980 | 76X-7, 99/B-4R-1, 41 | ||
186-1150B- | ||||
FO Spongurus pylomaticus | 5.2 | 10R-2, 45-47/11R-2, 45-47 | 788.85/798.45 | 793.65 |
RD Lithelius barbatus | 5.3 | 10R-2, 45-47/11R-2, 45-47 | 788.85/798.45 | 793.65 |
LO Lychnocanoma parallelipes | 5.6 | 18R-2, 51-53/19R-2, 44-46 | 865.81/875.44 | 870.63 |
FO Lychnocanoma parallelipes | 7.3 | 22R-CC/23R-CC | 910.67/919.73 | 915.20 |
LCO Thalassionema schraderi | 7.6 | 35R-CC/36R-CC | 1031.5/1044.7 | 1038 |
FO Discoaster berggrenii | 8.281 | 38R-CC/39R-1, 10-11 | 1058.6/1066.1 | 1062 |
LCO Denticulopsis simonsenii | 8.6 | 40R-CC/41R-1, 68-71 | 1079.21/1085.93 | 1083 |
LO Denticulopsis dimorpha | 9.16 | 43R-1, 69-71/43R-3, 71-72 | 1105.29/1108.26 | 1107 |
FO Denticulopsis dimorpha | 9.9 | 48R-CC/49R-CC | 1157.71/1170.57 | 1164 |
LCO Denticulopsis praedimorpha | 11.5 | Below 50R-CC |
1180 |
1180 |
Notes: LO = last occurrence, FO = first occurrence, FCO = first common occurrence, LCO = last common occurrence. RI = rapid increase, RD = rapid decrease. T = top of chron, B = bottom of chron. Slash = between.