Table 1.

Description of the different samples used in this study.

No.	Dive	Core	(cm)	Location	Zone	Date	Depth (m)	Latitude	Longitude	References
1	1758-14	CT2	0–3	Cold Seep, Vasconcelos active site, white mat	Sonora Margin	6/19/2010	1574	N 27 35.5750	W 111 28.9840	Vigneron et al., 2013
2	1758-14	CT2	3–6
3	1758-14	CT2	6–9
4	1758-14	CT2	9–12
5	1758-14	CT2	12–15
6	1758-14	CT2	15–18
7	1758-14	CT2	18–21
8	1758-14	CT1		Cold Seep, Vasconcelos active site, white mat	Sonora Margin	6/19/2010	1574	N 27 35.5754	W 111 28.9860
9	1758-14	CT11	0–4	Cold Seep, Vasconcelos active site, edge of white mat	Sonora Margin	6/19/2010	1574	N 27 35.5872	W 111 28.9859
10	1758-14	CT11	4–6
11	1755-11	CT1		Cold seep, Vasconcelos active site	Sonora Margin	6/16/2010	1573	N 27 35.5827	W 111 28.9848
12	1755-11	CT2	1–1.5	Cold seep, Vasconcelos active site	Sonora Margin	6/16/2010	1573	N 27 35.5820	W 111 28.9832
13	1755-11	CT2	6–7
14	1764-20	CT3	0–2	Hydrothermal vent, Mat Mound active site, orange mat	Southern Trough	6/27/2010	2005	N 27 00.3772	W 111 24.5641	Callac et al., under review
15	1766-22	CT2	0–5	Hydrothermal vent, MegaMat M27 active site, white mat	Southern Trough	6/29/2010	2003	N 27 00.4461	W 111 24.5243
16	1766-22	CT2	5–10.5
17	1753-09	CT4	8–11.5	Reference zone		6/14/2010	1850	N 27 25.4835	W 111 30.0779	Vigneron et al., 2013