Dataset: Minor ion concentrations in OsmoSamplers that were recovered on R/V Atlantis Expedition AT39-01 with the ROV Jason-II (Depart October 2, 2018 and returned 11/2/2017).

These data will be submitted in Orcutt et al.: “Subsurface oceanic crust microbe-mineral biogeography from multi-year incubations at North Pond, Mid-Atlantic Ridge”

Similar, relevant data were published in Wheat et al., 2020.

OsmoSampler descriptions:

• NP 2017 1383 B Acid-Addition OsmoSampler was deployed in IODP Hole 1383B on 4/22/12, removed from the borehole on 10/21/17 (J2-1032), and recovered on the ship on 10/22/17 (J2-1033). The pump worked as planned.
• 1383 C blue Acid-Addition OsmoSampler was deployed on the wellhead at IODP Hole 1383C on 4/08/14 (J2-771) and recovered on 10/21/17 (J2-1032). This sampler pumped more than expected, resulting in a salinity of 46 per mil in the fresh water reservoir. The timeline was adjusted for the excess pumping.
• 1383 C black Acid-Addition OsmoSampler was deployed on the wellhead of IODP Hole 1383C on 4/08/14 (J2-771) and  recovered on 10/21/17 (J2-1032).  This sampler pumped more than expected, resulting in a salinity of 24 per mil in the fresh water reservoir. The timeline was adjusted for excess pumping.
• 1383 C upper Acid-Addition osmoSampler was deployed in Hole U1383C on 11/6/11 and recovered on 10/16/17 (J2-1030). This sampler pumped more than expected, resulting in a salinity of 10 per mil in the fresh water reservoir. The timeline was adjusted for the excess pumping.
• 1382 A green Acid-Addition OsmoSampler was deployed on the wellhead of IODP Hole 1382A on 4/08/14 (J2-771) and  recovered on 10/23/17 (J2-1028). This sampler pumped more than expected, resulting in a salinity of 71 per mil in the fresh water reservoir. The timeline was adjusted for the excess pumping.
• Acid was added to four of the five sample streams. The exception was the 1382A Green Acid-Addition Osmosampler. Concentrations account for the addition of acid (HCl).
• Hole U1383B downhole (DH) MBIO1 FLOCS OsmoSampler minor ion concentrations. The sampler was deployed on 4/22/12, removed from the borehole on 10/21/17, and recovered on 10/22/17. The pump worked as planned.
• Hole U1383B downhole (DH) MBIO2 FLOCS OsmoSampler minor ion concentrations. The sampler was deployed on 4/22/12, removed from the borehole on 10/21/17, and recovered on 10/22/17. The pump worked as planned.
• Hole U1383B downhole (DH) ENRICH FLOCS OsmoSampler minor ion concentrations. The ampler was deployed on 4/22/12, removed from the borehole on 10/21/17, and recovered on 10/22/17. The pump worked as planned.
• Hole U1383C upper downhole (DH) MBIO FLOCS OsmoSampler minor ion concentrations. The sampler was deployed on 11/6/11.  Samplers were recovered on 10/16/17. This sampler pumped more than expected, resulting in a salinity of 24 per mil in the fresh water reservoir. An additional 168 ml of borehole fluid was pulled into the pump. This additional fluid was not considered in the time estimate.
• Hole U1383C lower downhole (DH) MBIO FLOCS OsmoSampler minor ion concentrations. The sampler was deployed on 11/6/11.  Samplers were recovered on 10/16/17. This sampler pumped more than expected, resulting in a salinity of 40 per mil in the fresh water reservoir. An additional 279 ml of borehole fluid was pulled into the pump. This additional fluid was not considered in the time estimate.
• Hole U1383C downhole (DH) upper enrichment OsmoSampler minor ion concentrations. The sampler was deployed on 11/6/11 and recovered on 10/16/17. This sampler pumped more than expected, resulting in a salinity of 27 per mil in the fresh water reservoir. An additional 188 ml of borehole fluid was pulled into the pump. This additional fluid was not considered in the time estimate.
• Hole U1383C wellhead (WH) Blue JP  FLOCS OsmoSampler minor ion concentrations. This Sampler was deployed on 4/08/14 (J2-771) and recovered on 10/20/17. This sampler pumped more than expected, resulting in a salinity o 33 per mil in the fresh water reservoir. An additional 255 ml of borehole fluid was pulled into the pump. This additional fluid was not considered in the time estimate.
• Hole U1383C wellhead (WH) Blue Orcutt  FLOCS OsmoSampler minor ion concentrations. This Sampler was deployed on 4/08/14 (J2-771) and recovered on 10/20/17. This sampler pumped more than expected, resulting in a salinity o 35 per mil in the fresh water reservoir. An additional 271 ml of borehole fluid was pulled into the pump. This additional fluid was not considered in the time estimate.
• Hole U1383C wellhead (WH) JP middle horizon "black" FLOCS OsmoSampler minor ion concentrations. This sampler was deployed on 4/08/14 (J2-771) and  recovered on 10/20/17.  This sampler pumped more than expected, resulting in a salinity o 33 per mil in the fresh water reservoir. An additional 255 ml of borehole fluid was pulled into the pump. This additional fluid was not considered in the time estimate.
• Hole U1383C wellhead (WH) Orcutt  middle horizon "black" FLOCS OsmoSampler minor ion concentrations. This sampler was deployed on 4/08/14 (J2-771) and  recovered on 10/20/17.  This sampler pumped more than expected, resulting in a salinity o 28 per mil in the fresh water reservoir. An additional 217 ml of borehole fluid was pulled into the pump. This additional fluid was not considered in the time estimate.
• Hole U1383C wellhead (WH) shallow horizon JP "red" FLOCS OsmoSampler minor ion concentrations. This sampler was deployed on 4/08/14 (J2-771) and  recovered on 10/20/17.  This sampler pumped more than expected, resulting in a salinity of more than 100 per mil in the fresh water reservoir. This additional fluid was not considered in the time estimate.
• Hole U1383C wellhead (WH) shallow horizon Orcutt  "red" FLOCS OsmoSampler minor ion concentrations. This sampler was deployed on 4/08/14 (J2-771) and  recovered on 10/20/17.  This sampler pumped more than expected, resulting in a salinity of more than 100 per mil in the fresh water reservoir. This additional fluid was not considered in the time estimate.
• Hole U1382A downhole (DH) upper MBIO FLOCS OsmoSampler minor ion concentrations. This sampler was deployed on 10/11/11 and recovered on 10/20/17. The pump worked as planned.
• Hole U1382A downhole (DH) lower MBIO FLOCS OsmoSampler minor ion concentrations. This sampler was deployed on 10/11/11 and recovered on 10/20/17. This pump worked as planned.
• Hole U1382A wellhead (WH) green JP FLOCS OsmoSampler minor ion concentrations. Samplers deployed on 4/08/14 (J2-771) and  recovered on 10/20/17. This sampler pumped more than expected, resulting in a salinity o 35 per mil in the fresh water reservoir. An additional 271 ml of borehole fluid was pulled into the pump. This additional fluid was not considered in the time estimate.
• Hole U1382A wellhead (WH) green Orcutt FLOCS OsmoSampler minor ion concentrations. Samplers deployed on 4/08/14 (J2-771) and  recovered on 10/20/17. This sampler pumped more than expected, resulting in a salinity fo 45 per mil in the fresh water reservoir. An additional 349 ml of borehole fluid was pulled into the pump. This additional fluid was not considered in the time estimate.