Initial Reports Volume 186
Chapter 4, Table T8. Stratigraphic occurrences and chronology of datum levels of diatoms, Site 1150.							

Note: LO = last occurrence, LCO = last common occurrence, FO = first occurrence, NPD = North Pacific diatom zones.							

				Upper sample		Lower sample	
Datum event		Zone	Age (Ma)	Core, section, interval (cm)	Depth (mbsf)	Core, section, interval (cm)	Depth (mbsf)
		(base)					
				186-1150A-		186-1150A-	
LO	Proboscia curvirostris	NPD 12	0.3	6H-CC 	55.73	7H-4, 65-69	60.35
LCO	Actinocyclus oculatus	NPD 11	1.01-1.46	11H-CC	102.66	12H-1, 140-144	104.10
LO	Neodenticula koizumii	NPD 10	2	14H-3, 70-72	120.10	14H-5, 71-73	123.11
LCO	Neodenticula kamtschatica	NPD 9	2.61-2.68	21X-CC	192.01	22X-3, 140-144	197.70
FO	N. koizumii	NPD 8	3.53-3.95	28X-CC	260.33	29X-3, 63-67"	264.43
FO	Thalassiosira latimarginata		5.07	45X-CC	424.33	46X-CC	428.83
FO	Thalassiosira oestrupii sensu lato	NPD 7Bb	5.49	56X-CC	527.49	57X-1, 70-74	531.30

				186-1150B-		186-1150B-	
LCO	Rouxia californica	NPD 7Ba	6.65	20R-CC	893.02	21R-3, 70-72	896.44
LO	Cavitatus jouseanus		6.7-6.8	23R-CC	919.73	24R-CC	923.46
FO	N. kamtschatica		7.3-7.4	28R-CC	968.83	29R-3, 75-78	972.88
LO	Thalassionema schraderi	NPD 7A	7.6	31R-CC	992.31	32R-1, 60-63	998.90
LO	Denticulopsis katayamae		8.5	39R-CC	1070.80	40R-CC	1079.21
LCO	Denticulopsis simonsenii	NPD 6B	8.6	40R-CC	1079.21	41R-1, 68-71	1085.98
LO	Denticulopsis dimorpha	NPD 6A	9.16	43R-1, 69-71	1105.29	43R-3, 71-72	1108.26
FO	D. katayamae		9.26	45R-CC	1129.85	46R-CC	1138.94
FO	T. schraderi		9.5	46R-CC	1138.94	47R-CC	1147.36
FO	D. dimorpha	NPD 5D	9.9	50R-CC	1180.23