Table T8. Distribution of planktonic foraminifers, Hole 1257C.
Core, section, interval (cm)
Depth
Zone
Age
Preservation Group abundance Costellagerina pilula Hedbergella delrioensis Heterohelix reussi Whiteinella archaeocretacea Heterohelix moremani Hastigerinoides subdigitata Hedbergella simplex Heterohelix globulosa Contusotruncana fornicata Globigerinelloides prairiehillensis Globotruncana aegyptiaca Globotruncana arca Heterohelix punctulata Pseudoguembelina costulata Rugoglobigerina macrocephala Rugotruncana subcircumnodifer Globotruncanella havanensis Globotruncanella petaloidea Globotruncanita stuarti Rugoglobigerina rugosa Globanomalina pseudomenardii Morozovella acuta Morozovella aequa Morozovella apanthesma Morozovella velascoensis Subbotina triangularis Subbotina triloculinoides Subbotina velascoensis Acarinina nitida Acarinina soldadoensis
207-1257C-


































1R-1, 145–150 83.50 P6 early Eocene G C
























X



1R-3, 123–125 86.23 P6 early Eocene G C





















X



X
X
1R-CC, 14–19 88.28 P6 early Eocene G C




















X X

X
X
X
2R-CC, 8–13 92.83 P5 late Paleocene G C




















X X
X X X X
X
3R-CC, 19–24 110.60 P5 late Paleocene G A



















X X X
X X X X X X
4R-CC, 15–20 120.65 P4 late Paleocene G A



















X X X
X X X X X X
5R-CC, 8–13 126.97 P4 late Paleocene G C



















X X
X X X
X X X
6R-7, 59–64 139.69 P4 late Paleocene G A



















X X X X X X X X

7R-CC, 19–24 148.98 KS30 early Maastrichtian~late Campanian M C









X X


X X X X X









8R-CC, 16–21 158.48 KS30 early Maastrichtian~late Campanian M C







X X X X X X X X













9R-CC, 14–19 166.39 Not defined No age assignment P R






X





















10R-CC, 16–21 171.17 Not defined No age assignment
B





























12R-CC, 20–26 190.40 Not defined No age assignment P R
X X

X X X





















13R-CC, 20–21 201.30 Not defined No age assignment P R



X
























14R-CC, 0–4 210.03 Not defined Santonian? P C X X X X

























15R-CC, 34–39 220.02


B





























16R-CC, 12–18 234.72

































 
Core, section, interval (cm)
Depth
Zone
Age
Preservation Group abundance Acarinina mckannai Morozovella occlusa Chiloguembelina wilcoxensis Igorina albeari Morozovella subbotinae Acarinina coalingensis Acarinina quetra Chiloguembelina crinita Morozovella gracilis Acarinina wilcoxensis
207-1257C-














1R-1, 145–150 83.50 P6 early Eocene G C



X



X
1R-3, 123–125 86.23 P6 early Eocene G C

X
X X X X X
1R-CC, 14–19 88.28 P6 early Eocene G C
X
X X




2R-CC, 8–13 92.83 P5 late Paleocene G C
X X






3R-CC, 19–24 110.60 P5 late Paleocene G A X X







4R-CC, 15–20 120.65 P4 late Paleocene G A X








5R-CC, 8–13 126.97 P4 late Paleocene G C









6R-7, 59–64 139.69 P4 late Paleocene G A









7R-CC, 19–24 148.98 KS30 early Maastrichtian~late Campanian M C









8R-CC, 16–21 158.48 KS30 early Maastrichtian~late Campanian M C









9R-CC, 14–19 166.39 Not defined No age assignment P R









10R-CC, 16–21 171.17 Not defined No age assignment
B









12R-CC, 20–26 190.40 Not defined No age assignment P R









13R-CC, 20–21 201.30 Not defined No age assignment P R









14R-CC, 0–4 210.03 Not defined Santonian? P C









15R-CC, 34–39 220.02


B









16R-CC, 12–18 234.72













Note: Preservation: G = good, M = moderate, P = poor. Abundance: A = abundant, C = common, R = rare, B = barren.