Table T3. Summary of distribution and abundance of nannofossils and biozonal assignments, Hole 1204A. 
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 Micula concava Micula decussata Quadrum sissinghii Quadrum trifidum Watznaueria barnesae Quadrum gothicum Chiasmolithus bidens Coccolithus pelagicus Cruciplacolithus asymmetricus Cruciplacolithus frequens Cruciplacolithus primus Cruciplacolithus tenuis Discoaster mohleri Fasciculithus thomasii Fasciculithus tympaniformis Heliolithus kleinpellii Placozygus sigmoides Sphenolithus anarrhopus Toweius pertusus Fasciculithus involutus
From
To
From
To
197-1204A-
































1R-1, 50-51 762.40 BIO NP15
middle Eocene
Smear slide M F










F











1R-3, 50-51 765.40 BIO NP15
middle Eocene
Smear slide M C










C











1R-5, 49-50 768.39 BIO NP15
middle Eocene
Smear slide M F










C











1R-CC, 0-7 770.54 PAL NP15
middle Eocene
Smear slide P F










R











2R-1, 50-51 772.00 BIO NP14
middle Eocene early Eocene Smear slide M F










F











2R-3, 50-51 775.00 BIO NP14
middle Eocene early Eocene Smear slide M F










C











2R-CC, 22-25 776.09 PAL NP13
early Eocene
Smear slide M F










C











3R-1, 50-51 781.60 BIO NP13
early Eocene
Smear slide M F























3R-3, 50-51 784.60 BIO NP13
early Eocene
Smear slide M F










C











3R-5, 51-52 787.61 BIO NP13
early Eocene
Smear slide M F










F











3R-CC, 18-22 788.10 PAL NP13
early Eocene
Smear slide M F










C











4R-1, 50-51 791.20 BIO NP12
early Eocene
Smear slide M C










F











4R-3, 50-51 794.20 BIO NP12
early Eocene
Smear slide M F










C











4R-CC, 20-23 796.80 PAL NP12
early Eocene
Smear slide M F










F











5R-1, 50-51 800.80 BIO NP12
early Eocene
Smear slide M F










F











5R-3, 50-51 803.80 BIO NP12
early Eocene
Smear slide M F










C











5R-CC, 13-16 805.59 PAL NP12
early Eocene
Smear slide M F









R F








R

6R-1, 25-26 810.15 BIO NP8
late Paleocene
Smear slide M F









R F



R
F F F R R
6R-1, 50-51 810.40 BIO NP8
late Paleocene
Smear slide M F









R C



R
F C C

R
6R-1, 58-59 810.48 BIO NP8
late Paleocene
Smear slide M C









R C


R R
F F F F R
6R-1, 79-80 810.69 BIO NP7
late Paleocene
Smear slide M F









F F R R R R R
F F F R R R
6R-1, 107-108 810.97 BIO NP7
late Paleocene
Smear slide M F









R C R R R R R R F F F R R
6R-2, 86-87 812.26 BIO CC22 CC23 Campanian
Smear slide M R
F
R R F
R C R













6R-3, 80-81 813.70 BIO CC22 CC23 Campanian
Smear slide M R R R R R R C R F C














 
Core, section, interval (cm) Depth (mbsf) Sample code
Preservation* Preservation Group abundance
Nannofossils
Zone Age Toweius eminens Fasciculithus involutus Toweius eminens Zygrhablithus bijugatus Chiasmolithus consuetus Heliolithus riedelii Markalius inversus Campylosphaera dela Coccolithus formosus Discoaster lodoensis Toweius crassus Tribrachiatus orthostylus Chiasmolithus grandis Coronocyclus nitescens Ellipsolithus macellus Sphenolithus radians Clausicoccus fenestratus Discoaster barbadiensis Chiasmolithus solitus Toweius gammation Discoaster sublodoensis Nannotetrina fulgens Reticulofenestra dictyoda
From
To
From
To
197-1204A-































1R-1, 50-51 762.40 BIO NP15
middle Eocene
Smear slide M F


F

R
R


F R


R C


F
1R-3, 50-51 765.40 BIO NP15
middle Eocene
Smear slide M C


F

R R F


R R
R R R C


F
1R-5, 49-50 768.39 BIO NP15
middle Eocene
Smear slide M F


R



F


R

R R R C

R F
1R-CC, 0-7 770.54 PAL NP15
middle Eocene
Smear slide P F


C

R R R


R R
R
R C R
R F
2R-1, 50-51 772.00 BIO NP14
middle Eocene early Eocene Smear slide M F


F



R R R
R



R F
R

2R-3, 50-51 775.00 BIO NP14
middle Eocene early Eocene Smear slide M F


F


R R F R
R



R F
R

2R-CC, 22-25 776.09 PAL NP13
early Eocene
Smear slide M F


F


R R F R
R

R
R F



3R-1, 50-51 781.60 BIO NP13
early Eocene
Smear slide M F


R


R R F R
R

R






3R-3, 50-51 784.60 BIO NP13
early Eocene
Smear slide M F


R


R R F F
R

R

F R


3R-5, 51-52 787.61 BIO NP13
early Eocene
Smear slide M F


R

R R
F R





R F



3R-CC, 18-22 788.10 PAL NP13
early Eocene
Smear slide M F


R


R R F R

R
R R
C R


4R-1, 50-51 791.20 BIO NP12
early Eocene
Smear slide M C


R


R
F R R R









4R-3, 50-51 794.20 BIO NP12
early Eocene
Smear slide M F


R

R R R F R F
R
R R R




4R-CC, 20-23 796.80 PAL NP12
early Eocene
Smear slide M F


R


R
F R F R









5R-1, 50-51 800.80 BIO NP12
early Eocene
Smear slide M F R
R R

R R R F R F R R R R






5R-3, 50-51 803.80 BIO NP12
early Eocene
Smear slide M F R
R R


R R F R F R









5R-CC, 13-16 805.59 PAL NP12
early Eocene
Smear slide M F R
R R R
R R R F R C










6R-1, 25-26 810.15 BIO NP8
late Paleocene
Smear slide M F F
F

R F















6R-1, 50-51 810.40 BIO NP8
late Paleocene
Smear slide M F F R F F F
R















6R-1, 58-59 810.48 BIO NP 8
Late Paleocene
Smear slide M C F
F R F R R















6R-1, 79-80 810.69 BIO NP 7
Late Paleocene
Smear slide M F F R F R


















6R-1, 107-108 810.97 BIO NP 7
Late Paleocene
Smear slide M F






















6R-2, 86-87 812.26 BIO CC22 CC23 Campanian
Smear slide M R






















6R-3, 80-81 813.70 BIO CC22 CC23 Campanian
Smear slide M R






















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