Table T5. Zonal and other key datum, Site 1210.
Event
Upper core, section,
interval (cm)
Upper depth
Lower core, section,
interval (cm)
Lower depth Zone Datum mean
(mcd)
(rmcd)
(mcd)
(rmcd)
OB80
M71
(mcd)
(rmcd)
LAD E. formosa 1210B-13H-2, 70-71 130.015 130.015 1210B-13H-3, 70-71 131.515 131.515
CP16c NP22
130.765 130.765
Base acme E. subdisticha 1210B-13H-7, 21-22 137.025 137.025 1210A-14H-2, 144-145 136.335 136.335
CP16b

136.680 136.680
LAD D. barbadiensis 1210B-13H-7, 21-22 137.025 137.025 1210A-14H-2, 144-145 136.335 136.335
CP16a

136.680 136.680
LAD C. grandis 1210A-14H-2, 144-145 137.335 137.335 1210A-14H-3, 45-46 137.835 137.835
CP15

137.585 137.585
FAD S. predistentus 1210A-14H-3, 45-46 137.835 137.835 1210A-14H-4, 45-46 139.335 139.335



138.585 138.585
LAD D. saipanensis 1210A-14H-3, 45-46 137.835 137.835 1210A-14H-4, 45-46 139.335 139.335

NP21
138.585 138.585
FAD S. pseudoradians 1210A-14H-4, 45-46 139.335 139.335 1210A-14H-5, 45-46 140.835 140.835

NP20
140.085 140.085
LAD C. dela 1210A-14H-4, 45-46 139.335 139.335 1210A-14H-5, 45-46 140.835 140.835



140.085 140.085
LAD C. solitus 1210A-15H-1, 45-46 146.565 146.825 1210A-15H-2, 45-46 148.065 148.325
CP14b NP17
147.315 147.575
FAD D. bisectus 1210A-15H-2, 45-46 148.065 148.325 1210A-15H-3, 45-46 149.565 149.825



148.815 149.075
FAD D. scrippsae 1210A-15H-5, 1-2 152.125 152.385 1210B-15H-2, 100-102 152.700 152.960



152.413 152.673
LAD N. fulgens 1210A-15H-5, 1-2 152.112 152.385 1210B-15H-2, 100-102 152.700 152.960



152.406 152.673
FAD S. obtusus 1210B-15H-2, 100-102 152.700 152.960 1210B-15H-3, 50-51 153.695 153.955



153.198 153.458
FAD R. umbilicus 1210B-15H-3, 50-51 153.695 153.955 1210B-15H-4, 0-1 154.695 154.955
CP14a

154.195 154.455
LAD C. gigas 1210B-15H-4, 0-1 154.695 154.955 1210B-15H-5, 50-51 156.695 156.955
CP13c

155.695 155.955
FAD. S. furcatolithoides 1210A-16H-3, 45-46 160.215 160.475 1210A-16H-4, 45-46 161.715 161.975



160.965 161.225
FAD C. gigas 1210B-16H-3, 50-51 164.075 164.335 1210B-16H-4, 100-101 166.075 166.335
CP13b

165.075 165.335
LAD C. crassus 1210B-16H-5, 50-51 167.075 167.335 1210B-16H-6, 50-51 168.575 168.835



167.825 168.085
FAD S. spiniger 1210B-16H-5, 50-51 167.075 167.335 1210B-16H-6, 50-51 168.575 168.835



167.825 168.085
FAD N. fulgens 1210A-17H-2, 45-46 169.005 169.492 1210A-17H-3, 45-46 170.505 170.992
CP13a NP15
169.755 170.242
LAD C. cribellum 1210A-17H-4, 45-46 172.005 172.626 1210A-17H-5, 45-46 173.505 174.125



172.755 173.376
LAD R. inflata 1210A-17H-4, 45-46 172.005 172.626 1210A-17H-5, 45-46 173.505 174.125
CP13a

172.755 173.376
FAD T. carinatus 1210A-18H-2, 45-46 179.385 179.875 1210A-18H-3, 45-46 180.885 181.505



180.135 180.690
LAD T. orthostylus 1210A-18H-4, 45-46 182.385 183.005 1210A-18H-5, 45-46 183.885 184.505

NP13
183.135 183.755
FAD Nannotetrina sp. 1210A-18H-5, 45-46 183.885 184.505 1210B-18H-2, 140-141 184.445 185.065



184.165 184.785
FAD R. inflata 1210B-18H-2, 140-141 184.445 185.065 1210B-18H-3, 100-101 185.545 186.165
CP12b

184.995 185.615
FAD R. dictyoda 1210B-18H-2, 140-141 184.445 185.065 1210B-18H-3, 100-101 185.545 186.165



184.995 185.615
FAD C. grandis 1210B-18H-4, 100-101 187.045 187.665 1210B-18H-5, 100-101 188.545 189.165



187.795 188.415
LAD L. nascens 1210B-18H-4, 100-101 187.045 187.665 1210B-18H-5, 100-101 188.545 189.165



187.795 188.415
FAD D. sublodoensis 1210A-19H-2, 48-49 190.275 191.095 1210A-19H-3, 47-48 191.765 192.585
CP12a NP14
191.020 191.840
FAD C. crassus 1210A-19H-3, 47-48 191.765 192.585 1210A-19H-4, 47-48 193.265 194.085
CP11
192.515 193.335
FAD Chiphragmalithus spp. 1210B-19H-3, 50-51 195.845 196.665 1210B-19H-4, 50-51 197.345 198.165



196.595 197.415
LAD D. multiradiatus 1210B-19H-3, 50-51 195.845 196.665 1210B-19H-4, 50-51 197.345 198.165



196.595 197.415
FAD C. cribellum 1210B-19H-4, 50-51 197.345 198.165 1210B-19H-5, 50-51 198.845 199.665



198.095 198.915
FAD S. radians 1210B-19H-5, 50-51 198.845 199.665 1210B-19H-6, 50-51 200.345 201.165



199.595 200.415
FAD D. lodoensis 1210B-19H-6, 50-51 200.345 201.165 1210A-20H-3, 45-46 201.195 203.305
CP10 NP12
200.770 202.235
FAD T. orthostylus 1210B-19H-6, 50-51 200.345 201.165 1210A-20H-3, 45-46 201.195 203.305



200.770 202.235
FAD S. editus 1210B-19H-6, 50-51 200.345 201.165 1210A-20H-3, 45-46 201.195 203.305



200.770 202.235
FAD D. barbadiensis 1210B-19H-6, 50-51 200.345 201.165 1210A-20H-3, 45-46 201.195 203.305



200.770 202.235
FAD D. diastypus 1210B-20H-1, 50-52 201.790 203.904 1210B-20H-2, 50-52 203.290 205.380
CP9

202.540 204.642
LAD F. tympaniformis 1210B-20H-2, 10 202.910 204.990 1210B-20H-2, 90 203.710 205.790



203.310 205.390
FAD Z. bijugatus 1210B-20H-3, 100 205.280 207.390 1210B-20H-3, 110 205.380 207.490



205.330 207.440
FAD C. eodela 1210B-20H-6, 0-1 208.785 209.995 1210A-21H-2, 48-49 209.325 211.432
CP8b

209.055 210.714
FAD D. multiradiatus 1210B-21H-3, 100-102 214.950 217.060 1210B-21H-4, 100-102 216.450 218.560
CP8a NP9
215.700 217.810
LAD H. kleinpellii 1210B-21H-5, 100-102 217.950 220.060 1210B-21H-6, 50-51 218.945 221.055



218.448 220.558
FAD D. mohleri 1210A-22H-2, 45-46 220.035 222.145 1210A-22H-2, 118 220.760 222.870
CP6

220.398 222.508
FAD S. anarrhopus 1210A-22H-3, 42-43 221.505 223.615 1210A-22H-4, 45-46 223.035 225.145



222.270 224.380
FAD H. kleinpellii 1210A-22H-3, 60 221.680 223.790 1210A-22H-3, 70 221.780 223.890
CP5 NP6
221.730 223.840
FAD F. tympaniformis 1210B-22H-5, 100-102 229.080 231.190 1210B-22H-6, 0-2 229.580 231.690
CP4 NP5
229.330 231.440
FAD Fasciculithus spp. 1210A-23H-2, 47-48 230.855 232.965 1210A-23H-3, 93-94 232.815 234.925



231.835 233.945
FAD E. macellus 1210A-23H-2, 47-48 230.855 232.965 1210A-23H-3, 93-94 232.815 234.925
CP3 NP4
231.835 233.945
FAD C. bidens 1210A-23H-2, 47-48 230.855 232.965 1210A-23H-3, 93-94 232.815 234.925



231.835 233.945
FAD S. primus 1210A-23H-3, 93-94 232.815 234.925 1210A-23H-4, 27-28 233.655 235.765



233.235 235.345
FAD T. pertusus 1210A-23H-3, 93-94 232.815 234.925 1210A-23H-4, 27-28 233.655 235.765



233.235 235.345
FAD C. danicus 1210B-23H-4, 100-102 238.590 240.700 1210B-23H-5, 100-102 240.090 242.200
CP2 NP3
239.340 241.450
FAD C. tenuis 1210A-24H-2, 45-46 241.305 243.325 1210A-24H-3, 45-46 242.805 244.825
CP1b NP2
242.055 244.075
K/T Boundary 1210A-24H-4, 51 244.360 246.380



CP1a NP1
244.36 246.380

Notes: LAD = last appearance datum, FAD = first appearance datum. Bold = zonal markers or primary events. OB80 = Okada and Bukry, 1980, M71 = Martini, 1971.