Table T5. Summary of diatom datums identified, Holes 1165B and 1165C.

Upper sample   Lower sample Event Taxon
Core, section, interval (cm)
Interval depth (mbsf)
Core, section, interval (cm)
Interval depth (mbsf)
188-1165B-

188-1165B-


1H-2, 20-21 1.70
1H-5, 20-21 6.20 LO Actinocylclus ingens
1H-5, 20-21 6.20
2H-2, 95-96 9.25 LO Fragilariopsis barronii
2H-2, 95-96 9.25
3H-1, 95-96 17.25 LO Thalassiosira kolbei
3H-1, 95-96 17.25
3H-2, 20-21 18.00 LO Thalassiosira vulnifica
3H-2, 20-21 18.00
3H-3, 20-21 19.50 LO Thalassiosira insigna
3H-CC 25.01
4H-1, 20-21 26.00 FO Thalassiosira vulnifica
5H-1, 127-128 36.57
5H-2, 127-128 38.07 FO Fragilariopsis interfrigidaria
5H-4, 95-96 40.75
5H-5, 60-61 41.90 FO Fragilariopsis barronii
6H-3, 95-96 48.75
6H-4, 59-60 49.89 FO Thalassiosira inura
9H-CC 81.39
10H-1, 20-21 83.00 FO Hemidiscus triangularus
11H-CC 100.32
12H-CC 101.80 FO Hemidiscus ovalis
12H-CC 101.80
13H-6, 70-71 114.50 FO Thalassiosira torokina
23X-3, 20-21 188.30
23X-CC 194.70 LO Denticulopsis dimorpha
27X-CC 231.69
28X-CC 242.68 FO Denticulopsis dimorpha
28X-CC 242.68
30X-CC 253.71 FO Denticulopsis praedimorpha
33X-CC 265.70
34X-CC 290.89 FO Nitzschia denticuloides
35X-CC 298.38
36X-CC 309.52 FCO Denticulopsis simonsenii
38X-CC 327.78
39X-CC 336.89 FO Actinocyclus ingens v. nodus
50X-CC 443.99
51X-CC 449.80 FCO Actinocyclus ingens
55X-CC 487.52
56X-CC 495.81 FO Denticulopsis maccollumii
55X-CC 487.52
56X-CC 495.81 FO Crucidenticula kanayae
59X-CC 527.92
60X-CC 534.60 LO Thalassiosira praefraga
188-1165C-

188-1165C-


10R-3, 127-129 750.77
— — FO Thalassiosira praefraga

Notes: Sample designations and depths in bold type represent the occurrence of each taxon, and plain type represents sample-spacing uncertainty for each datum. LO = last occurrence, FO = first occurrence, FCO = first common occurrence. — = not identified due to opal-A dissolution.