Table T4. Summary of distribution and abundance of nannofossils and biozonal assignments, Hole 1204B.
Core, section, interval (cm) Depth (mbsf) Sample code
Preparation* Preservation Group abundance Nannofossils
Zone
Age
Aspidolithus parcus ssp. parcus Ceratolithoides aculeus Cretarhabdus crenulatus Cribrosphaerella ehrenbergii Eiffellithus turriseiffelii Marthasterites inconspicuus Micula concava Micula decussata Pervilithus varius Prediscosphaera cretacea Quadrum gothicum Quadrum sissinghii Quadrum trifidum Watznaueria barnesae Tranolithus orionatus Cretarhabdus conicus Micula murus Tegumentum stradneri Micula swastica
From
To
From
197-1204B-


























1R-1, 5-6 810.75 BIO CC25 CC26 Maastrichtian Smear slide P C
C F F

C C
R


C
R R R R
1R-1, 10-11 810.80 BIO CC25 CC26 Maastrichtian Smear slide P C
C R F

F C
R


C
R R R
1R-1, 15-16 810.85 BIO CC25 CC26 Maastrichtian Smear slide P C
C
R

F C




C




1R-1, 31-32 811.01 BIO CC25 CC26 Maastrichtian Smear slide P C
C R F

F C
R


C
R R R
1R-2, 89-90 813.09 BIO CC22 CC23 Campanian Smear slide M F R
R


R R



R R




1R-3, 19-20 813.89 BIO CC22 CC23 Campanian Smear slide M F
R R R R
R R


R R R R



17R-3, 80-81 948.01 BIO CC22 CC23 Campanian Smear slide M F
R R R R R R R R R R R R F




17R-3, 146-147 948.67 BIO


Smear slide




















Notes: * = all smear slides were prepared at variable concentrations. Preservation: M = moderate, P = poor. Abundance: C = common, F = few, R = rare. BIO = biostratigraphy.