The ISA's Central data Repository

NW_Pacific_Izu-Bonin_Arc

Northwest Pacific: Izu-Bonin Arc

Includes: Sumisu Rift, Myojinsho Caldera, Sunrise Deposit, Suiyo Seamount and Kita Bayonnaise

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

Izu-Ogasawara Arc
Sumisu Rift
ALV1893-13	a66	38	43		46.6			<5	3.2	0.1			9.1		338	<1			19.8		<2				1	0.1					0.004	1.51	0.02	0.022	8.40	31.90	32.41	0.26																																							crust	ba-silica-Fe-oxides		Izu-Ogasawara Arc	Sumizu Rift	Sumisu caldera						Hannington, 1989; Urabe and Kusakabe, 1990; Geological Survey of Canada, unpublished data
ALV1895-11I	a66	5.9	<5		90.3			<5	1.8	3			0.7		184				124		<2				1	15.0					0.01	6.61	0.02	0.021	0.42	71.50	2.89	0.55																																							chimney fragment, inner wall	silica-Fe-oxides		Izu-Ogasawara Arc	Sumizu Rift	Sumisu caldera						Hannington, 1989; Urabe and Kusakabe, 1990; Geological Survey of Canada, unpublished data
ALV1895-11O	a66	<0.5	<5		184.1			<5	2.2	8			2.1		353				102		<2				1	9.7					0.006	4.97	0.009	0.039	0.12	77.80	0.09	0.26																																							chimney fragment, outer wall	silica-Fe-oxides		Izu-Ogasawara Arc	Sumizu Rift	Sumisu caldera						Hannington, 1989; Urabe and Kusakabe, 1990; Geological Survey of Canada, unpublished data
ALV1895-12	a66	1.4	<5		6.9			<5	2	2			0.01		99				7.5		<2				1	4.0					0.01	2.01	0.002	0.003	0.16	90.60	0.60	0.15																																							silica accumulation	cristobalite-Fe-oxides		Izu-Ogasawara Arc	Sumizu Rift	Sumisu caldera						Hannington, 1989; Urabe and Kusakabe, 1990; Geological Survey of Canada, unpublished data
ALV1895-13	a66	41	<5		151.1			<5	4	8			3.3		373				108		<2				1	14.4					0.01	6.72	0.009	0.029	0.29	74.30	2.31	0.31																																							chimney	silica-Fe-oxides		Izu-Ogasawara Arc	Sumizu Rift	Sumisu caldera						Hannington, 1989; Urabe and Kusakabe, 1990; Geological Survey of Canada, unpublished data

Myojinsho Caldera
RS94-11	a41	2700	98		496		11	98	3						141		5		180								3				0.20	0.74	3.35	1.52			44.00																																								barite-rich fragment	ba-sp		Izu-Ogasawara Arc	Myojinsho Caldera							Iizasa et al., 1992
RS94-14	a41	1900	350		1441			1530	3						94		11		670								36				2.37	2.27	30.25	1.95			19.00																																								black sample with barite	sp-ba		Izu-Ogasawara Arc	Myojinsho Caldera							Iizasa et al., 1992
RS94-12	a41	530	170		2298		16	2193	7						114		6		580								48				1.85	2.68	43.00	10.20			0.11																																								soft platy black sample	sp-silica-gn-cp		Izu-Ogasawara Arc	Myojinsho Caldera							Iizasa et al., 1992

Sunrise Deposit
Chalcopyrite-rich conduit of chimney (N=2)	a104	2500	83		745			6											33												26.70	26.70	0.34	0.080		0.11	0.10																																								polymetallic sulfide			Izu-Ogasawara Arc	Sunrise Deposit	Myojin Knoll Caldera	32^o06.20N	139^o52'E	32.10667	139.8667	1360 to 1210 m	Iizasa et al., 1999
Sphalerite-rich inner wall of chimney (N=22)	a104	31000	1609		7366			2991											5759												2.94	2.94	33.90	3.64		4.31	4.03																																								polymetallic sulfide			Izu-Ogasawara Arc	Sunrise Deposit	Myojin Knoll Caldera	32^o06.20N	139^o52'E	32.10667	139.8667	1360 to 1210 m	Iizasa et al., 1999
Anhydrite-rich outer wall of chimney (N=1)	a104	3500	180		1300			102											380												0.29	0.29	3.79	0.870		0.33	8.50																																								polymetallic sulfide			Izu-Ogasawara Arc	Sunrise Deposit	Myojin Knoll Caldera	32^o06.20N	139^o52'E	32.10667	139.8667	1360 to 1210 m	Iizasa et al., 1999
Silica-rich outer wall of chimney (N=1)	a104	2900	36		1800			28											210												0.12	0.12	1.36	1.42		49.40	9.90																																								polymetallic sulfide			Izu-Ogasawara Arc	Sunrise Deposit	Myojin Knoll Caldera	32^o06.20N	139^o52'E	32.10667	139.8667	1360 to 1210 m	Iizasa et al., 1999
Layered massive sulfide (N=1)	a104	800	100		330			145											65												24.60	24.60	1.77	0.030		16.00	0.70																																								polymetallic sulfide			Izu-Ogasawara Arc	Sunrise Deposit	Myojin Knoll Caldera	32^o06.20N	139^o52'E	32.10667	139.8667	1360 to 1210 m	Iizasa et al., 1999
Brecciated massive sulfide (N=4)	a104	4000	75		1575			62											130												11.92	11.92	0.82	0.040		8.55	0.07																																								polymetallic sulfide			Izu-Ogasawara Arc	Sunrise Deposit	Myojin Knoll Caldera	32^o06.20N	139^o52'E	32.10667	139.8667	1360 to 1210 m	Iizasa et al., 1999
Disseminated sulfide (N=6)	a104	5100	1447		2228			401											658												2.40	2.40	8.85	0.220		21.06	23.26																																								polymetallic sulfide			Izu-Ogasawara Arc	Sunrise Deposit	Myojin Knoll Caldera	32^o06.20N	139^o52'E	32.10667	139.8667	1360 to 1210 m	Iizasa et al., 1999

Suiyo Seamount
SH-9271703	a42			1.1	33			6.9		2					44	6			7		0.5		2130	0.5			7				0.31	0.65	0.13	0.005			0.003	19.95						0.23	0.35	0.02	0.13	0.01	0.01																															Izu-Ogasawara Arc	Suiyo Seamount caldera		28°34.5	140°38.5	28.58333	-140.642	1360	Watanabe and Kajimura 1993, 1994
SH-562S-4-2	a42	52000		313	3130			1640		155		6.1			377	42	9		2980		1		41	1		30					0.41	11.67	43.00	4.58			0.002	0.13						0.23	0.02	0.02	0.04	0.07	0.007													3																		Izu-Ogasawara Arc	Suiyo Seamount caldera		28°34.5	140°38.5	28.58333	-140.642	1360	Watanabe and Kajimura 1993, 1994
SH-9271504	a42	4000		45.1	270			91.8	31	3					2	35	2				1	19	73	1			10				30.90	28.68	1.01	0.027			0.002	0.89						0.45	0.03	0.02	0.05	0.02	0.32											4																		chalcopyrite		Izu-Ogasawara Arc	Suiyo Seamount caldera		28°34.5	140°38.5	28.58333	-140.642	1360	Watanabe and Kajimura 1993, 1994
SH-9271513	a42	5000		63.2	1130		17	172	42						91	295	5		57	1.4	1	9	57	1		17	47			5	22.40	30.56	2.54	0.129			0.003	0.37						2.19	0.12	0.03	0.40	0.16	0.29													2																chalcopyrite		Izu-Ogasawara Arc	Suiyo Seamount caldera		28°34.5	140°38.5	28.58333	-140.642	1360	Watanabe and Kajimura 1993, 1994
SH-927160202	a42			14.2	41			42.4	6						115	25	4				1	11	15	1		11	3				34.50	32.95	0.18	0.003			0.004	0.04						0.17	0.07	0.02	0.08	0.04	0.44																													chalcopyrite		Izu-Ogasawara Arc	Suiyo Seamount caldera		28°34.5	140°38.5	28.58333	-140.642	1360	Watanabe and Kajimura 1993, 1994
SH-927160401	a42	10000		90.8	435			334	11						15	50			44		1	31	21	1			9				30.90	27.33	3.98	0.126			0.002	0.04						0.32	0.03	0.02	0.05	0.01	0.33											4																		chalcopyrite		Izu-Ogasawara Arc	Suiyo Seamount caldera		28°34.5	140°38.5	28.58333	-140.642	1360	Watanabe and Kajimura 1993, 1994
SH-927160404	a42	71000		337	2240			3950	50	86		19.5			463	263	2		1120		1		124	1			15				1.58	9.46	43.80	0.337			0.002	0.09						0.51	0.18	0.02	0.47	0.04	0.07																															Izu-Ogasawara Arc	Suiyo Seamount caldera		28°34.5	140°38.5	28.58333	-140.642	1360	Watanabe and Kajimura 1993, 1994
SH-927160405	a42	38000		330	885			546	6						234	89			767	6.5	0.5		146	0.5			60		3	22	0.39	4.25	34.60	1.52			0.003	1.03						7.12	0.38	0.23	1.24	0.19	0.03																															Izu-Ogasawara Arc	Suiyo Seamount caldera		28°34.5	140°38.5	28.58333	-140.642	1360	Watanabe and Kajimura 1993, 1994
SH-927160503	a42	16000		63.5	211		4	723	6						129	128	2		50	8.1	1		242	1			79		4	22	2.89	4.10	18.40	0.071			0.006	1.10						8.28	0.40	0.27	1.33	0.22	0.06																															Izu-Ogasawara Arc	Suiyo Seamount caldera		28°34.5	140°38.5	28.58333	-140.642	1360	Watanabe and Kajimura 1993, 1994
SH-927170501	a42	22000		209	1640		8	1030	9						267	289	3		355	1.4	1	3	156	1			69	3		7	4.78	7.92	25.00	0.472			0.002	0.35						3.12	0.12	0.07	0.57	0.07	0.05																															Izu-Ogasawara Arc	Suiyo Seamount caldera		28°34.5	140°38.5	28.58333	-140.642	1360	Watanabe and Kajimura 1993, 1994
SH-9271712	a42	20000		118	983			785	7	14					182	116			235	3.4	1		344	1			29	28	4	13	12.00	11.93	11.60	0.202			0.003	6.81						3.70	0.55	0.08	0.42	0.07	0.14																															Izu-Ogasawara Arc	Suiyo Seamount caldera		28°34.5	140°38.5	28.58333	-140.642	1360	Watanabe and Kajimura 1993, 1994
SH-927171402	a42	45000		377	3130		9	1480				5.2			313	118	2		588	0.6	1		182	1			13			4	8.91	10.30	31.20	0.744			0.001	0.18						1.51	0.08	0.03	0.38	0.01	0.09											3																				Izu-Ogasawara Arc	Suiyo Seamount caldera		28°34.5	140°38.5	28.58333	-140.642	1360	Watanabe and Kajimura 1993, 1994
SH-9271715	a42	22000		146	1050	3	67	734		11					115	100	4		231	0.3	1		331	1			11	21		2	16.20	14.58	11.40	0.244			0.002	6.57						0.85	0.22	0.02	0.28	0.01	0.19																															Izu-Ogasawara Arc	Suiyo Seamount caldera		28°34.5	140°38.5	28.58333	-140.642	1360	Watanabe and Kajimura 1993, 1994

Kita Bayonnaise
624-1	a104	19300	272		8400		<10	900	<4						93		10		920												2.22	19.95	24.70	0.250		11.56	1.70	0.24																																							altered and mineralized dacite		vein sulfides	Izu Ogasawara arc	Kita Bayonnaise							Iizasa et al., 1993
624-2	a104	4800	133		700		<10	965	<4						23		5		1100												11.12	11.05	17.02	0.440		11.34	14.10	0.60																																							altered and mineralized dacite		cavity-filling	Izu Ogasawara arc	Kita Bayonnaise							Iizasa et al., 1993
324-3	a104	3300	82		2200		<10	495	<4						155		16		400												0.81	8.30	10.20	0.460		44.94	5.10	0.46																																							altered and mineralized dacite		desseminated	Izu Ogasawara arc	Kita Bayonnaise							Iizasa et al., 1993

OTHER REGIONS

Last Updated on 12/27/02