Sr isotopic ratios of hydrothermal fluids from the Okinawa Trough and the implications of variation in fluid–sediment interactions

Toki, Tomohiro; Nohara, Tasuku; Urata, Yoshiaki; Shinjo, Ryuichi; Hokakubo-Watanabe, Shuko; Ishibashi, Jun-ichiro; Kawagucci, Shinsuke

doi:10.1186/s40645-022-00519-x

Progress in Earth and Planetary Science

Table 1 Chemical and isotopic compositions of hydrothermal fluids from Okinawa Trough in this study

From: Sr isotopic ratios of hydrothermal fluids from the Okinawa Trough and the implications of variation in fluid–sediment interactions

Field ID	Sample ID	Site	Latitude	Longitude	Depth	T_max	pH	Cl^‒	Na	Mg	Ca	K	NH₄⁺	B	Sr	Mg/Sr	⁸⁷Sr/⁸⁶Sr	Error	[Sr]_EHF
Field ID	Sample ID	Site	N	E	m	℃	25 °C	mmol/kg	mmol/kg	mmol/kg	mmol/kg	mmol/kg	mmol/kg	mmol/kg	µmol/kg	mmol/µmol	⁸⁷Sr/⁸⁶Sr	Error	µmol/kg
Iheya North Knoll	KY11-02 D1247 W-2	Original	27º47.410'	126º53.861′	1028	310	‒	571	454	0.1	22.0	74.6	2.0	2.0	79.3	1.52 × 10^–3	0.70765	0.000014	79.2
	KY11-02 D1247 W-4	Original	27º47.454′	126º53.803′	978	309	‒	584	456	1.0	21.4	73.4	2.1	2.0	77.6	1.30 × 10^–2	0.70765	0.000015	76.9
	KY11-02 D1249 W-3	Original	27º47.413′	126º54.048′	1048	311	‒	576	451	0.2	22.0	74.2	1.8	2.0	79.7	2.00 × 10^–3	0.70768	0.000015	79.6
	NT11-16 D1315 W-1	Original	27º47.420′	126º54.043′	1057	306	5.46	574	423	0.2	20.9	69.5	1.9	1.8	75.6	2.21 × 10^–3	0.70769	0.000014	75.5
	NT11-16 D1315 W-2	Original	27º47.420′	126º54.043′	1057	306	4.95	571	430	0.1	21.1	70.0	2.0	1.9	76.4	1.49 × 10^–3	0.70769	0.000013	76.3
	NT11-16 D1315 W-3	Original	27º47.420′	126º54.043′	1057	306	5.11	572	431	0.1	21.1	70.4	1.9	1.9	76.6	1.48 × 10^–3	0.70770	0.000013	76.5
	NT12-06 D1356 W-2	Original	27º47.416′	126º53.890′	1035	309	4.69	596	444	0.3	23.1	66.6	1.9	2.0	82.0	3.68 × 10^–3	0.70764	0.000012	81.8
	NT12-06 D1356 W-4	Original	27º47.416′	126º53.890′	1035	309	4.62	591	444	0.9	23.0	66.4	1.9	2.0	81.8	1.14 × 10^–2	0.70769	0.000009	81.1
Izena Hole	NT10-17 D1191 W-B	HAKUREI	27º14.938′	127º04.134′	1593	248	5.43	‒	460	5.0	22.2	64.5	3.7	3.5	121.7	4.11 × 10^–2	0.70924	0.000013	120.4
	NT11-15 D1313 W-3	HAKUREI	27º14.858′	127º03.962′	1617	179	4.75	600	457	5.8	22.1	62.9	4.3	3.4	122.6	4.75 × 10^–2	0.70923	0.000008	121.2
	NT11-15 D1313 W-4	HAKUREI	27º14.841′	127º03.995′	1623	251	5.10	598	447	2.2	22.4	64.3	4.3	3.5	129.4	1.67 × 10^–2	0.70920	0.000011	129.1
	NT10-17 D1184 W-A	JADE	25º16.177′	127º04.786′	1340	316	5.21	582	435	9.1	19.8	56.1	3.5	2.9	103.4	8.77 × 10^–2	0.70895	0.000011	98.8
	NT10-17 D1185 B-1	JADE	25º16.177′	127º04.786′	1340	‒	4.88	‒	388	4.7	19.5	52.9	3.4	2.8	101.7	4.58 × 10^–2	0.70891	0.000011	99.3
Hatoma Knoll	YK07-04 D999 A	Gusuku	24° 51.522′	123° 50.471′	1474	‒	5.51	337	246	3.3	11.2	45.5	8.0	2.5	56.1	5.79 × 10^–2	0.70852	0.000018	52.7
	YK07-04 D999 W-2	Gusuku	24° 51.522′	123° 50.471′	1474	321	‒	‒	307	20.5	9.4	30.5	‒	1.6	60.4	3.40 × 10^–1	0.70886	0.000032	34.9
	YK07-04 D999 W-3	Gusuku	24° 51.522′	123° 50.471′	1474	323	5.41	361	271	8.4	10.5	43.2	6.8	2.4	54.2	1.54 × 10^–1	0.70866	0.000017	44.7
	YK07-04 D999 B-2	Gusuku	24° 51.522′	123° 50.471′	1474	‒	‒	484	382	34.7	9.6	28.4	2.2	1.0	73.6	1.54 × 10^–1	0.70900	0.000017	‒
	YK07-04 D999 B-3	Gusuku	24° 51.522′	123° 50.471′	1474	‒	‒	537	437	46.8	8.9	13.7	‒	0.4	83.2	5.62 × 10^–1	0.70921	0.000017	‒
	YK07-04 D1000 A	Gusuku	24° 51.522′	123° 50.471′	1473	‒	6.34	493	400	39.8	10.3	18.0	1.1	0.7	81.7	4.87 × 10^–1	0.70907	0.000013	‒
	YK07-04 D1001 A	Gusuku	24° 51.488′	123° 50.468′	1469	‒	5.61	414	315	10.5	13.2	48.7	5.7	2.5	62.7	1.67 × 10^–1	0.70868	0.000013	51.7
	YK07-04 D1001 W-1	Gusuku	24° 51.488′	123° 50.468′	1469	322	5.38	394	288	2.8	7.0	55.4	7.2	3.0	57.0	4.86 × 10^–2	0.70850	0.000016	54.2
	YK07-04 D1001 W-2	Gusuku	24° 51.488′	123° 50.468′	1469	255	‒	‒	279	8.8	10.8	45.5	‒	2.3	51.6	1.70 × 10^–1	0.70854	0.000022	41.4
	NT07-12 D706 W-1	Gusuku	24° 51.496′	123° 50.467′	1474	322	‒	‒	204	0.2	12.4	42.9	‒	‒	49.2	4.95 × 10^–3	0.70857	0.000017	49.0
	NT07-12 D707 V-2	BSW	24° 51.564′	123° 50.387′	1527	4	7.38	542	457	52.8	10.3	10.6	‒	‒	81.4	6.48 × 10^–1	0.70917	0.000015	‒
	NT07-12 D709 W-2	Gusuku	24° 51.509′	123° 50.466′	1477	320	5.44	356	254	1.8	13.5	49.0	6.2	‒	53.3	3.33 × 10^–2	0.70854	0.000017	51.4
	NT07-12 D709 W-3	Iri	24° 51.464′	123° 50.380′	1532	75	‒	‒	367	26.4	12.2	29.5	‒	‒	69.1	3.82 × 10^–1	0.70880	0.000014	37.0
	NT07-12 D709 W-4	Iri	24° 51.464′	123° 50.380′	1532	70	5.71	479	388	31.0	12.1	28.1	2.7	‒	71.2	4.35 × 10^–1	0.70886	0.000014	‒
	NT08-13 D866 W-1	Gusuku	24° 51.498′	123° 50.479′	1474	10	5.67	‒	457	52.3	9.8	10.3	0.1	0.4	87.5	5.97 × 10^–1	0.70914	0.000014	‒
	NT08-13 D866 W-4	Gusuku	24° 51.498′	123° 50.479′	1474	325	‒	‒	186	0.8	9.9	35.6	0.004	2.0	39.8	1.93 × 10^–2	0.70856	0.000018	38.9
	NT08-13 D867 W-2	Gusuku	24° 51.501′	123° 50.476′	1470	7	‒	‒	419	47.4	9.6	9.5	N.D	0.4	83.6	5.68 × 10^–1	0.70914	0.000014	‒
	NT08-13 D869 V-1	Agari	24° 51.480′	123° 50.503′	1478	301	‒	‒	281	0.8	16.8	53.3	‒	2.9	68.1	1.23 × 10^–2	0.70854	0.000016	67.4
	NT08-13 D869 V-2	Agari	24° 51.480′	123° 50.503′	1478	‒	‒	425	321	11.4	15.3	46.9	4.8	2.5	70.0	1.63 × 10^–1	0.70870	0.000015	59.0
	NT08-13 D869 W-2	Gusuku	24° 51.514′	123° 50.468′	1475	8	5.71	538	454	52.3	10.1	10.1	0.1	0.4	89.0	5.87 × 10^–1	0.70922	0.000015	‒
	NT08-13 D869 W-4	Gusuku	24° 51.514′	123° 50.468′	1475	8	5.47	522	451	51.9	10.4	10.1	0.1	0.4	92.0	5.64 × 10^–1	0.70917	0.000015	‒
	NT08-13 D870 W-1	Gusuku	24° 51.505′	123° 50.483′	1475	‒	6.29	535	454	52.5	10.1	9.9	0.01	0.4	89.2	5.88 × 10^–1	0.70914	0.000019	‒
	NT08-13 D870 W-4	Agari	24° 51.468′	123° 50.515′	1479	9	‒	‒	424	48.6	9.7	9.3	‒	0.4	83.8	5.80 × 10^–1	0.70921	0.000022	‒
	NT08-13 D871 V-1	BSW	24° 51.609′	123° 50.350′	1452	‒	7.49	539	454	52.8	10.2	10.0	0.005	0.4	89.6	5.89 × 10^–1	0.70917	0.000013	‒
	NT08-13 D871 W-1	Chura	24° 51.594′	123° 50.392′	1504	206	‒	435	345	18.4	13.4	39.7	4.3	2.0	71.6	2.56 × 10^–1	0.70878	0.000017	52.5
	NT08-13 D871 W-3	Chura	24° 51.594′	123° 50.392′	1504	178	‒	‒	369	32.3	11.3	24.2	‒	1.2	76.2	4.24 × 10^–1	0.70899	0.000015	‒
	NT08-13 D872 V-1	Gusuku	24° 51.512′	123° 50.477′	1474	89	‒	‒	421	46.8	9.8	10.0	‒	0.4	85.2	5.50 × 10^–1	0.70916	0.000015	‒
	NT08-13 D872 W-1	Gusuku	24° 51.522′	123° 50.467′	1476	‒	‒	‒	210	1.6	11.7	39.4	‒	2.2	48.3	3.26 × 10^–2	0.70859	0.000021	46.5
	NT08-13 D872 W-4	Agari	24° 51.489′	123° 50.504′	1479	‒	‒	‒	425	47.8	9.5	9.5	‒	0.4	83.7	5.71 × 10^–1	0.70916	0.000016	‒
	NT08-13 D873 V-1	Gusuku	24° 51.493′	123° 50.450′	1483	180	‒	‒	409	44.2	16.7	12.4	‒	0.5	110.1	4.02 × 10^–1	0.70902	0.000018	‒
	NT08-13 D873 V-2	Gusuku	24° 51.493′	123° 50.450′	1483	180	‒	526	453	50.9	10.1	10.2	N.D	0.4	89.1	5.72 × 10^–1	0.70915	0.000018	‒
	NT08-13 D873 V-3	Gusuku	24° 51.501′	123° 50.466′	1472	‒	‒	549	426	45.1	13.8	16.2	0.9	0.7	97.8	4.61 × 10^–1	0.70902	0.000019	‒
	NT08-13 D873 V-4	Gusuku	24° 51.521′	123° 50.467′	1477	‒	‒	366	279	14.9	13.5	33.3	5.7	1.7	70.0	2.13 × 10^–1	0.70878	0.000014	54.9
	NT08-13 D873 W-1	Gusuku	24° 51.510′	123° 50.467′	1477	‒	6.35	536	449	51.5	10.0	9.9	0.004	0.4	88.2	5.83 × 10^–1	0.70916	0.000016	‒
	NT09-11 D1035 W-1	Gusuku	24° 51.511′	123° 50.473′	1473	320	5.49	312	239	2.0	12.2	41.8	6.6	2.6	49.3	4.00 × 10^–2	0.70852	0.000016	47.1
	NT09-11 D1037 W-3	Gusuku	24° 51.487′	123° 50.463′	1472	320	5.16	391	287	1.0	16.0	47.4	6.2	3.0	62.4	1.60 × 10^–2	0.70855	0.000016	61.5
Yonaguni Knoll IV	YK03-05 D759-W1	Tiger	24° 50.891′	122° 42.035′	1362	323	5.29	550	450	49.2	9.4	9.9	0.1	0.4	81.6	6.02 × 10^–1	0.70922	0.000007	‒
	YK03-05 D760-B	Tiger	24° 50.897′	122° 42.025′	1362	‒	5.05	525	‒	40.7	10.0	17.3	‒	0.8	58.7	6.94 × 10^–1	0.70961	0.000011	‒
	YK03-05 D762-N1	Plume	24° 50.905′	122° 42.033′	1358	‒	6.55	563	437	48.0	8.9	9.4	0.04	0.3	79.0	6.08 × 10^–1	0.70920	0.000010	‒
	YK03-05 D762-N2	Plume	24° 50.905′	122° 42.033′	1358	‒	6.95	553	437	49.0	8.9	9.3	N.D	0.3	79.2	6.18 × 10^–1	0.70917	0.000010	‒
	YK03-05 D762-W1	Tiger	24° 50.897′	122° 42.020′	1365	‒	‒	606	‒	18.4	20.5	64.4	5.9	2.8	105.3	1.74 × 10^–1	0.71126	0.000012	95.3
	YK03-05 D762-B	Abyss	24° 50.787′	122° 42.038′	1379	‒	5.30	547	456	45.9	9.6	14.4	1.0	0.7	84.1	5.45 × 10^–1	0.70935	0.000013	‒
	YK03-05 D763-W2	Tiger	24° 50.885′	122° 42.014′	1361	210	4.91	600	454	22.0	17.8	58.0	5.0	2.5	98.8	2.23 × 10^–1	0.71104	0.000014	83.8
	YK03-05 D763-W3	Tiger	24° 50.885′	122° 42.014′	1361	210	4.74	589	‒	32.1	10.3	41.5	3.3	1.8	63.8	5.03 × 10^–1	0.71054	0.000016	‒
	YK03-05 D763-W4	Tiger	24° 50.885′	122° 42.014′	1361	210	4.84	583	465	30.7	15.6	43.7	3.7	1.9	97.0	3.17 × 10^–1	0.71053	0.000011	‒
	YK03-05 D763-B	Tiger	24° 50.885′	122° 42.014′	1361	‒	‒	583	‒	49.4	10.6	10.1	‒	0.4	87.3	5.66 × 10^–1	0.70929	0.000010	‒

‒: No data

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