The ISA's Central data Repository

NW_Pacific_Okinawa_Trough

Northwest Pacific: Okinawa Trough

Includes: Izena Cauldron and Minami Ensei Knoll

SAMPLE	Method	Au	Ag (1)	Ag (2)	As	Be	Bi	Cd	Co	Cr	Ga	Ge	Hg	In	Mn	Mo	Ni	Rb	Sb	Sc	Se	Sn	Sr	Te	Tl	U	V	W	Y	Zr	Cu	Fe	Zn	Pb	S	SiO₂	Ba	Ca	CO₂	Corg	H₂O	H₂O^-	H₂O⁺	Al₂O₃	MgO	TiO₂	Na₂O	K₂O	P₂O₅	Ir	Pd	Pt	Cl	F	B	Br	Cs	Hf	Li	Nb	Ta	Th	La	Ce	Pr	Nd	Sm	Eu	Gd	Tb	Dy	Ho	Er	Tm	Yb	Lu	Sample Type	Mineralogy	Description	Location 1	Location 2	Location 3	LatitudeN	LongitudeW	DecLat	DecLong	Depth	References
		ppb	ppm	ppm	ppm	ppm	ppm	ppm	ppm	ppm	ppm	ppm	ppm	ppm	ppm	ppm	ppm	ppm	ppm	ppm	ppm	ppm	ppm	ppm	ppm	ppm	ppm	ppm	ppm	ppm	wt.%	wt.%	wt.%	wt.%	wt.%	wt.%	wt.%	wt.%	wt.%	wt.%	wt.%	wt.%	wt.%	wt.%	wt.%	wt.%	wt.%	wt.%	wt.%	ppb	ppb	ppb	ppm	ppm	ppm	ppm	ppm	ppm	ppm	ppm	ppm	ppm	ppm	ppm	ppm	ppm	ppm	ppm	ppm	ppm	ppm	ppm	ppm	ppm	ppm	ppm

Okinawa Trough
Izena Cauldron
SH-360-2-1	a43	1500		1750	9100		33	1300					45		900				2800		9700				90						3.33	2.55	42.83	21.96																																											mushroom-like chimney	sp-gn-cp-tetrah.		Okinawa Trough	Izena Cauldron	Hole 2						Aoki and Nakamura, 1989
SH-360-2-2	a43	<300		1930	10900		14	1100					15		1300				6900		7200				19						10.72	6.44	36.87	18.41																																											mushroom-like chimney	sp-gn-cp-tetrah.		Okinawa Trough	Izena Cauldron	Hole 2						Aoki and Nakamura, 1989
SH-360-2-3	a43	2300		3570	52600		18	600					32		1800				21200		4700				113						11.97	6.75	23.44	11.20																																											mushroom-like chimney	sp-gn-cp-tetrah.		Okinawa Trough	Izena Cauldron	Hole 2						Aoki and Nakamura, 1989
SH-360-3-1	a43	<300		640	4600		40	900					114		1600				11600		6000				104						11.46	9.15	31.89	14.45																																											center of chimney			Okinawa Trough	Izena Cauldron	Hole 2						Aoki and Nakamura, 1989
SH-360-3-2	a43	<300		1560	11700		5	600					230		1400				25400		4400				340						8.31	4.80	24.09	10.97																																											center of chimney			Okinawa Trough	Izena Cauldron	Hole 2						Aoki and Nakamura, 1989
SH-360-3-3	a43	7600		1100	31300		40	40					213		200				22800		260				957						0.51	0.32	1.52	0.680																																											outer part of chimney			Okinawa Trough	Izena Cauldron	Hole 2						Aoki and Nakamura, 1989
SH-360-3-4	a43	6600		68			26	<10							10																																																														outer rim, rare sulfides			Okinawa Trough	Izena Cauldron	Hole 2						Aoki and Nakamura, 1989
SH-360-1	a43	<300		2600	20300		20	1100					115		1500				21200		6300				5						14.30	3.18	30.40	15.33																																											porous sulfides			Okinawa Trough	Izena Cauldron	Hole 2						Aoki and Nakamura, 1989
SH-411-4G	a43	<100		134	4600			700					250		500				3300						58.4						1.64	1.68	14.10	6.51																																											dust of black smoker	sp-gn-cpy		Okinawa Trough	Izena Cauldron	Jade Site	27°16.2	127°04.8	27.27333	-127.08	1340	Nakamura et al., 1989
SH-411-4D	a43	11		172	108000			50					1070		50				3200		8.7			1.4	1440						0.02	0.03	0.16	0.110																																											orange amorph. arsenic lining fractures in sediment	as-ba		Okinawa Trough	Izena Cauldron	Jade Site	27°16.2	127°04.8	27.27333	-127.08	1340	Nakamura et al., 1989
SH-412-3	a43	<100		758	200			1700					28.4		1100				1100		1880			13.0							5.77	5.78	34.70	18.80																																											small porous chimney	sp-gn-cpy-ba		Okinawa Trough	Izena Cauldron	Jade Site	27°16.2	127°04.8	27.27333	-127.08	1340	Nakamura et al., 1989
SH-412-4	a43	<100		430	1400			1700					1.4		400				14000		1580			19.0							7.40	5.05	31.20	20.40																																											compact massive sulfide	sp-gn-cpy-tetrah.		Okinawa Trough	Izena Cauldron	Jade Site	27°16.2	127°04.8	27.27333	-127.08	1340	Nakamura et al., 1989
156-11	a44	1700		2947																											0.85	0.17	3.45	2.04																																											sand	ba-silica		Okinawa Trough	Izena Cauldron							Nakamura et al., 1988
159-D	a44	14400		10930																											4.43	18.83	24.17	4.13																																											Zn-Fe-Cu-Pb (kuroko ore)			Okinawa Trough	Izena Cauldron							Nakamura et al., 1988
160-1	a44	100		322																											0.72	3.26	1.05	7.21																																											siliceous galena-sphalerite			Okinawa Trough	Izena Cauldron							Nakamura et al., 1988
160-2	a44	100		48																											0.40	1.45	3.90	3.29																																											network	sp-gn		Okinawa Trough	Izena Cauldron							Nakamura et al., 1988
160-T	a44	100		18																											0.04	8.21	19.94	0.270																																											disseminated	sp		Okinawa Trough	Izena Cauldron							Nakamura et al., 1988
SO56-A	a44	7800		640	93100			50							2900								2100								0.02	4.81	3.09	10.50		19.36	8.65	0.12						0.19	0.11																																	silica-gn-ba		Okinawa Trough	Izena Cauldron	Jade Site	27°16.2	127°04.8	27.27333	-127.075		Halbach et al., 1989
SO56-B	a44	9800		6500	13800			600							900								100								0.34	13.55	35.12	15.85		7.56	0.64	0.03						0.06	0.05																																	sp-gn		Okinawa Trough	Izena Cauldron	Jade Site	27°16.2	127°04.8	27.27333	-127.075		Halbach et al., 1989
SO56-C	a44	4800		4100	2500			1100							1000								100								0.49	11.72	39.89	19.52		1.04	0.05	0.03						0.04	0.03																																	sp-gn		Okinawa Trough	Izena Cauldron	Jade Site	27°16.2	127°04.8	27.27333	-127.075		Halbach et al., 1989
SO56-D	a44	4200		760	44000			50							3500								2500								0.04	5.63	5.46	8.32		20.63	7.44	0.10						0.04	0.08																																	silica-gn-ba		Okinawa Trough	Izena Cauldron	Jade Site	27°16.2	127°04.8	27.27333	-127.075		Halbach et al., 1989
SO56-E	a44	300		180	11200			800							300								100								3.64	1.06	15.17	5.91		49.20	0.02	0.04						4.33	0.17																																stockwork			Okinawa Trough	Izena Cauldron	Jade Site	27°16.2	127°04.8	27.27333	-127.075		Halbach et al., 1989
SO56-F	a44	700		500	600			1300							800								1200								6.09	7.23	33.26	25.52		2.53	0.03	0.03						0.11	0.07																																	sp-cp-py		Okinawa Trough	Izena Cauldron	Jade Site	27°16.2	127°04.8	27.27333	-127.075		Halbach et al., 1989

mass. black sulfides	a44	2300		3000	7900			400							200				9200				8108								2.92	0.61	10.80	7.85		0.12	15.77																																								massive sulfide samples			Okinawa Trough	Jade Deposit							Halbach et. al., 1991
dissem sulfides	a44	100		200	16000			800							500				1100				<50								3.45	1.31	14.20	6.40		53.30	<0.01																																								massive sulfide samples			Okinawa Trough	Jade Deposit							Halbach et. al., 1991
MS-II	a105	2		21000	1000			1300							900				400				1350								5.17	7.13	28.40	11.00		1.82	0.03							0.06																																	green-olive to grey massive sulfide			Okinawa Trough	Jade Deposit
Ba	a105	1100		200	1900			100							1100				200				7342								0.07	0.29	0.03	1.60		2.70	41.94							0.40																																	barite-rich sample from outer part of massive sulfide chimney			Okinawa Trough	Jade Deposit		27^o15'N	127^o04.5'E	27.25	127.075		Halbach et. al., 1989
155-11	a105	1700		2947																											0.85	0.17	3.45	2.04																																														Okinawa Trough	Jade Deposit		27^o15'N	127^o05E	27.25	127.0833		Aoki, JAMSTEC unpublished data
159-D	a105	14400		10930																											4.43	18.83	24.17	4.13																																														Okinawa Trough	Jade Deposit		27^o15'N	127^o05E	27.25	127.0833		Aoki, JAMSTEC unpublished data
160-1	a105	100		322.2																											0.72	3.26	1.05	7.21																																														Okinawa Trough	Jade Deposit		27^o15'N	127^o05E	27.25	127.0833		Aoki, JAMSTEC unpublished data
160-2	a105	100		47.5																											0.40	1.45	3.90	3.29																																														Okinawa Trough	Jade Deposit		27^o15'N	127^o05E	27.25	127.0833		Aoki, JAMSTEC unpublished data
160-T	a105	100		17.8																											0.04	8.21	19.94	0.270																																														Okinawa Trough	Jade Deposit		27^o15'N	127^o05E	27.25	127.0833		Aoki, JAMSTEC unpublished data

Minami Ensei Knoll
misc. av.	a0	2430	90		417																										1.50	3.30	12.80	5.00			1.10																																								miscellaneous average			Okinawa Trough	Minami Ensei Knoll							Nedachi et al., 1992; Ishibashi and Urabe, 1995

OTHER REGIONS

Last Updated on 12/27/02