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Prometheus J2-417 (W Mata). Eruptive venting of magma, tephra and a sulfur-laden plume at Prometheus. Image ~ 3m across. Near Prometheus J2-418 (W Mata). A plethora of shrimp in the vicinity of Prometheus near the summit. 5
Mat Meadow J2-417 (W Mata). Large expanse of white, and some orange, mat overlaid on the volcaniclastic sediments on the SW ridge crest. Image ~4m across. Red Rock Ridge J2-418 (W Mata). Fluid sampling in the diffuse flow. 6
Page 2 and 3: Section Table of Contents Page NELR
Page 4 and 5: NELRC Image Highlights Hades J2-414
Page 8 and 9: NELSC J2-415. “Puipui” curtain
Page 10 and 11: 1.0 NE LAU RESPONSE CRUISE (NELRC)
Page 12 and 13: path over the eruption area as the
Page 15 and 16: Figure 1. NELRC cruise location and
Page 17 and 18: 1.1 Operations Log Date Time Date T
Page 19 and 20: Date Time Date Time (local) (local)
Page 21 and 22: Name Cruise Focus Affiliation Email
Page 23 and 24: R/V Thomas G THOMPSON TEAM Name Pos
Page 25 and 26: 3.2 Dive Areas: Maps of West Mata a
Page 27 and 28: Figure 5. NELSC. All vent sites and
Page 29 and 30: November eruption. Collected 3 more
Page 31: Tasks: The main goal of the dive wa
Page 34 and 35: Figure 7. J2-414 Jason dive track o
Page 36 and 37: Figure 9. J2-416 part 2. Jason dive
Page 38 and 39: Figure 11. J2-418 Jason dive track
Page 40 and 41: 3.5 Jason-2 Dive Samples 3.5.1 Samp
Page 42 and 43: sample name type Location date hr m
Page 48 and 49: J416 Sample Log sample name type Lo
Page 52 and 53: sample name type location date hr m
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sample name type location date hr m
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Figure 13. Preliminary AUV bathymet
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4.4 Jason-2 Navigation Targets West
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5.0 NELRC DISCIPLINE SUMMARIES 5.1
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Sample Handling and Description All
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spherules in vesicles. Older sample
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Dive # Area Sample name Collection
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The last rock sample from the exped
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J414-Misc The sample is about 70% f
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5.1.3 Sulfur Isotopes - Lau Rapid R
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DateTime Dive # Event 2009/05/11 03
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Figure 16. MBARI AUV D.Allan B. pre
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MBARI Mapping AUV Mission Summaries
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Minimum Altitude: 16.0966 Maximum A
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5.2 MACROBIOLOGY Figure 19. Biology
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crabs, vent-endemic (Thermarces sp.
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5.3 MICROBIOLOGY 5.3.1 Eruptive Flu
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5.3.2 Microbial Mats Rick Davis Mic
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J2-416-9-R-1 15°2.334'S, 174°17.0
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J2416-21-R-1 15°2.334'S, 174°17.0
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UH # CTD Cast Site 3 V09C00 4 V09C0
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UH # Dive Smplr Type Site Smpler #
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cylinder 20 was removed and replace
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center with maximum measured temper
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This vent was recycling rocks like
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Fluid Sample Images from NE Lau Res
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Dive J2-415 at NELSC (left) Dive 41
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Dive J2-417 (cont.) at West Mata (l
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Dive J2-420 at West Mata lDive 420
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Samp # Hydrothermal Fluid Sample Di
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Samp # T max °C T avg °C Vent pum
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5.5.2 Summary of Dissolved Gases Ta
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Summary of preliminary results NELS
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5.5.3 Helium Isotope Lab Gas Sampli
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5.6.1 CTD Operations Edward Baker,
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CTD Sample Types, Abbreviations, Nu
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DVD_Id Start Date/Time End Date/Tim
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DVD_Id Start Date/Time End Date/Tim
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APPENDIX JASON-2 DIVE LOGS (NELRC -
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time stamp vv lat vv long vv rec hd
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J2-415 Dive Log time stamp vv lat v
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J2-417 Dive Log timestamp vv lat vv
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timestamp vv lat vv long vv rec hdg
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time stamp vv lat vv long vvrec hdg
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