Geofluids

Research Article

Fluid Chemistry of Mid-Ocean Ridge Hydrothermal Vents: A Comparison between Numerical Modeling and Vent Geochemical Data

Table 2

Compilation of major element compositions of fluids from selected basalt-hosted seafloor hydrothermal vents.


Tectonic setting location/vent	Depth (m)	_max(°C)	pH (25°C)	Mg^a(mmol/kg)	Ca^b(mmol/kg)	Na^b(mmol/kg)	K^b(mmol/kg)	Cl^b(mmol/kg)	Reference

Mid-ocean ridges
Cayman Spreading Center
Von Damm vent field	2280	215	6.0	14.7	15.0	555	15.5	643	[1]
Von Damm vent field	2280	215	6.2	31.4	13.4	513	13.1	592	[1]
Von Damm vent field	2307	138	6.2	27.3	12.9	531	14.1	610	[1]
Von Damm vent field	2308	138	6.1	26.3	13.1	534	14.1	599	[1]
Von Damm vent field	2308	138	6.2	29.5	13.2	536	13.9	603	[1]
Von Damm vent field	2379	108	6.2	22.7	13.4	519	13.6	601	[1]
Von Damm vent field	2379	108	7.0	40.6	11.6	480	11.4	574	[1]
Central Indian Ridge
23–25°S CIR, Kairei vent field	2422	315	3.4	9.3	28.6	492	13.3	571	[2]
23–25°S CIR, Kairei vent field	2448	349	3.5	5.8	30.2	511	14.5	595	[2]
23–25°S CIR, Kairei vent field	2452	365	3.4	1.1	31.3	528	15.2	620	[2]
23–25°S CIR, Edmond vent field	3281	382	3.0	1.7	58.1	698	44.7	929	[2]
23–25°S CIR, Edmond vent field	3300	273	3.0	19.1	64.9	718	45.4	926	[2]
23–25°S CIR, Edmond vent field	3303	293	3.1	13.2	64.1	733	44.6	933	[2]
23–25°S CIR, Edmond vent field	3273	370	3.1	3.0	63.4	721	44.2	927	[2]
Rodriguez Triple Junction, Kairei	2450	360	5.2	31.0	22.0	531	11.7	587	[3]
Rodriguez Triple Junction, Kairei	2450	360	3.8	2.5	29.7	567	14.6	634	[3]
Rodriguez Triple Junction, Kairei	2450	360	3.4	1.3	28.7	550	14.1	645	[3]
East Pacific Rise
9–10°N EPR, Q.1	2513	371	2.8	6.9	0.8	58	1.6	71	[4]
9–10°N EPR, G.1	2523	326	2.1	10.5	1.5	130	2.9	150	[4]
9–10°N EPR, G.2	2550	355	3.7	23.1	0.2	134	1.9	154	[4]
9–10°N EPR, B9.1	2521	368	2.6	4.0	2.1	137	3.7	154	[4]
9–10°N EPR, P.1	2524	369	2.6	9.1	1.2	110	2.4	135	[4]
9–10°N EPR, P.2	2550	386	4.2	42.5	6.9	166	−0.9	178	[4]
9–10°N EPR, V.1	2525	78	5.5	44.1	4.9	224	3.4	262	[4]
9–10°N EPR, T.1	2529	112	5.4	43.5	0.0	313	9.5	339	[4]
9–10°N EPR, Aa.1	2533	390	2.8	7.9	2.0	70	2.2	81	[4]
9–10°N EPR, Aa.2	2550	396	2.5	8.6	1.5	25	0.6	31	[4]
9–10°N EPR, Aa.3	2550	403	2.5	18.4	1.1	31	0.2	43	[4]
9–10°N EPR, L.1	2542	388	3.1	34.2	2.2	94	2.8	114	[4]
9–10°N EPR, H.1	2557	313	5.0	30.6	7.1	333	15.0	371	[4]
9–10°N EPR, B.1	2562	329	3.2	3.7	17.1	359	12.9	416	[4]
9–10°N EPR, C.1	2572	345	3.3	3.7	11.9	287	9.5	329	[4]
9–10°N EPR, R.1	2543	123	3.0	30.0	51.4	674	34.2	826	[4]
9–10°N EPR, D.1	2574	290	3.2	4.1	45.5	733	41.8	846	[4]
9–10°N EPR, D.2	2550	308	3.1	2.1	41.8	670	40.8	801	[4]
9–10°N EPR, E.1	2565	280	3.6	20.0	46.9	707	41.3	859	[4]
9–10°N EPR, E.2	2550	274	3.1	9.2	41.8	701	41.3	841	[4]
9–10°N EPR, K.1	2577	263	5.7	38.5	23.0	465	27.8	556	[4]
9–10°N EPR, F.1	2585	388	2.8	5.5	1.3	33	1.2	46	[4]
21°33.5–21°34S EPR, Brandon	2834	404	3.2	1.0	17.5	267	7.5	317	[5]
21°33.5–21°34S EPR, Brandon	2834	405	3.7	3.7	20.6	303	9.1	338	[5]
21°33.5–21°34S EPR, Brandon	2834	401	3.1	2.1	18.4	266	8.2	339	[5]
21°33.5–21°34S EPR, Brandon	2834	400	5.1	24.8	20.3	244	8.2	330	[5]
21°33.5–21°34S EPR, Brandon	2834	403	3.2	3.1	16.3	251	7.3	304	[5]
21°33.5–21°34S EPR, Brandon	2834	401	3.1	1.3	15.8	242	6.9	297	[5]
21°33.5–21°34S EPR, Brandon	2834	405	4.0	10.0	21.3	270	7.7	330	[5]
21°33.5–21°34S EPR, Brandon	2834	368	3.2	5.4	34.0	449	13.4	558	[5]
21°33.5–21°34S EPR, Brandon	2834	376	3.3	7.1	32.8	441	13.8	557	[5]
17–19°S EPR, Tanio	2576	50	7.6	49.0	10.3	465	9.8	546	[6]
17–19°S EPR, Nadir	2574	340	3.1	3.3	5.5	146	6.9	212	[6]
17–19°S EPR, Rehu-Marka	2573	320	7.4	46.3	10.5	462	9.6	544	[6]
17–19°S EPR, Rehu-Marka	2573	320	3.8	39.2	11.9	409	10.5	491	[6]
17–19°S EPR, Rehu-Marka	2573	260	7.5	47.6	10.6	464	10.2	539	[6]
17–19°S EPR, Rehu-Marka	2573	260	7.3	47.6	10.5	444	9.9	540	[6]
17–19°S EPR, Stockwork	2630	210	3.2	4.9	8.4	255	6.4	283	[6]
17–19°S EPR, Fromveur	2621	310	3.1	13.1	7.2	220	4.7	251	[6]
17–19°S EPR, Diffuse flow	2647	150	7.6	51.8	10.2	479	10.2	563	[6]
17–19°S EPR, Fromveur	2620	310	4.8	41.1	9.6	392	8.5	457	[6]
17–19°S EPR, Tchao	2659	210	7.8	48.3	11.3	474	10.9	573	[6]
17–19°S EPR, Akorta	2669	305	3.4	4.9	43.6	659	19.4	821	[6]
17–19°S EPR, Akorta	2669	300	3.3	6.6	43.1	657	19.4	830	[6]
17–19°S EPR, Rehu-Marka	2573	300	3.6	16.0	11.7	345	12.0	390	[6]
17–19°S EPR, Rehu-Marka	2573	305	7.2	49.6	11.2	480	10.5	538	[6]
17–19°S EPR, Kihi	2575	60	4.8	48.9	11.1	468	10.5	534	[6]
Mid-Atlantic Ridge
Lucky Strike, Statue of Liberty	1630	202	4.2	10.3	34.3	483	24.4	—	[7]
Lucky Strike, Sintra	1618	212	4.9	11.4	37.3	469	24.3	—	[7]
Lucky Strike, Eiffel Tower	1687	325	4.1	3.4	29.8	386	20.7	—	[7]
Lucky Strike, Marker 4	1700	297	4.1	3.9	30.0	385	20.6	—	[7]
Lucky Strike, Marker 6	1703	303	4.1	4.9	30.8	406	20.4	—	[7]
Lucky Strike, Marker 7	1708	302	4.0	2.2	29.8	382	20.5	—	[7]
Lucky Strike, 2607 vent	1706	319	4.5	10.8	30.0	382	20.7	—	[7]
Lucky Strike, Sintra	1618	222	4.3	4.4	42.1	401	27.2	—	[7]
Lucky Strike, Eiffel Tower	1687	323	4.3	2.3	33.0	346	22.2	—	[7]
Lucky Strike, Marker 4	1700	318	3.9	1.9	33.4	339	22.7	—	[7]
Lucky Strike, 2608 vent	1719	308	3.8	3.0	42.1	406	27.4	—	[7]
Lucky Strike, Jason	1644	308	3.9	7.3	41.7	420	27.6	—	[7]
Lucky Strike, Crystal	1726	281	4.2	2.2	35.3	470	28.8	—	[7]
Back-arc basins
East Scotia Ridge
E2 dog’s head chimney	2600	323	3.0	2.1	29.9	429	38.0	542	[8]
E2 dog’s head chimney	2600	323	3.0	2.3	30.1	431	38.0	540	[8]
E2 dog’s head chimney	2600	351	3.1	1.0	30.0	427	38.8	528	[8]
E2 sepia chimney	2600	351	3.7	12.1	26.7	429	31.8	534	[8]
E2 sepia chimney	2600	351	3.1	2.3	30.6	420	37.1	535	[8]
E2 sepia chimney	2600	353	3.1	1.9	30.9	421	37.1	531	[8]
E2 sepia chimney	2600	353	3.1	2.0	31.0	423	37.1	528	[8]
E2 sepia chimney	2600	347	3.1	1.6	31.1	418	37.0	535	[8]
E2 sepia chimney	2600	347	3.1	1.6	30.9	419	37.3	532	[8]
E2 sepia flange	2600	313	2.9	4.0	28.2	413	34.9	521	[8]
E2 sepia flange	2600	313	2.9	4.2	28.1	414	35.0	516	[8]
E2 diffuse flow	2600	20	6.4	49.9	11.0	458	11.0	541	[8]
E2 diffuse flow	2600	20	6.4	50.1	11.0	459	10.9	540	[8]
E2 diffuse flow	2600	4	7.6	52.6	10.2	464	10.0	542	[8]
E2 diffuse flow	2600	4	7.6	52.7	10.2	464	10.0	531	[8]
E2 diffuse flow	2600	8	6.8	51.7	10.4	463	10.4	535	[8]
E2 diffuse flow	2600	8	6.9	51.8	10.5	464	10.4	540	[8]
E9 black and white chimney	2400	380	3.4	8.0	4.7	152	4.7	163	[8]
E9 black and white chimney	2400	380	3.5	0.6	5.5	99	5.5	106	[8]
E9 black and white chimney	2400	383	3.8	8.4	11.6	156	11.6	166	[8]
E9 black and white chimney	2400	383	3.4	2.4	6.1	111	6.1	124	[8]
E9 black and white chimney	2400	357	3.7	15.8	7.8	205	7.8	227	[8]
E9 black and white chimney	2400	357	3.8	14.4	7.8	195	7.8	214	[8]
E9 carwash diffuse flow	2400	11	6.0	52.0	9.9	458	9.8	539	[8]
E9 carwash diffuse flow	2400	11	6.0	51.5	9.8	452	9.7	530	[8]
E9 ivory tower chimney	2400	348	3.1	2.0	5.8	201	14.7	227	[8]
E9 ivory tower chimney	2400	348	3.2	3.2	6.1	207	14.6	240	[8]
E9 pagoda chimney	2400	351	3.4	0.8	6.4	196	14.8	227	[8]
E9 pagoda chimney	2400	351	3.4	2.3	6.4	202	14.5	234	[8]
E9 launch pad chimney	2400	351	3.2	4.5	6.1	188	12.2	211	[8]
E9 launch pad chimney	2400	351	3.6	12.9	6.7	237	11.8	264	[8]
E9 S field diffuse flow	2400	5	7.3	52.8	10.0	461	9.9	535	[8]
E9 S field diffuse flow	2400	5	7.4	52.7	10.0	462	9.8	529	[8]
E9 S field diffuse flow	2400	20	5.9	50.2	10.0	451	9.9	520	[8]
E9 S field diffuse flow	2400	20	6.0	50.5	10.1	455	9.9	527	[8]
New Hebrides
Nifonea vent field	1862	250	3.3	12.3	10.1	141	3.1	173	[9]
Nifonea vent field	1862	107	4.4	27.6	9.9	267	5.8	311	[9]
Nifonea vent field	1862	345	4.7	25.4	9.6	257	5.8	296	[9]
Nifonea vent field	1862	368	2.9	14.9	28.2	255	6.3	340	[9]
Nifonea vent field	1862	368	3.4	3.8	5.7	53	1.1	63	[9]
Western Manus Basin
Vienna Woods	2470	282	4.8	3.4	76.6	520	20.6	694	[10]
Vienna Woods	2470	282	4.4	1.6	78.1	510	21.0	683	[10]
Vienna Woods	2470	282	4.9	1.4	77.3	506	20.7	677	[10]
Vienna Woods	2470	273	4.2	1.0	79.5	509	21.0	687	[10]
Vienna Woods	2470	285	4.7	1.1	69.5	504	20.0	663	[10]
Vienna Woods	2470	285	5.4	14.9	53.5	494	17.2	644	[10]

^aMg concentrations correspond to the minimum value obtained during sampling or “minimum Mg.” ^bCa, Na, K, and Cl concentrations correspond to the “end-member” value, extrapolated to Mg = 0 mmol/kg. Vent data: ¹Hodgkinson et al. [50], ²Gallant and Von Damm [124], ³Gamo et al. [125], ⁴Von Damm [126], ⁵Von Damm et al. [19], ⁶Charlou et al. [127], ⁷Von Damm et al. [128], ⁸James et al. [20], ⁹Schmidt et al. [129], and ¹⁰Reeves et al. [130].