Dive R502  
      Dive Plan: Objectives of ASHES Dive: 1) Sample high temperature fluids at Hell, Inferno and Virgin. 2) Sample diffuse flow at 2 diffuse flow sites. 3) Suction sample FeOxide and it's fluid at west wall.  
       4) Suction sample sulfide worms at base of Hell (Porkchop) and Hillock/Phoenix. 5) Sulfide worm behavioral observations at Phoenix. 6) Suction sample clams and other large animals, if encountered.  
      7) Suction sample particulates for edifice tube worm grab site. 8) Suction sample oxides to south of vent field. 9) Recover High temp HOBO at Virgin. 10) Recover SOSUS sound source.  
      Note: Nav fixes not edited in the logs. All fixes were logged, regardless of accuracy. Use the dive plots to determine actual positions.  
  UTC Hour Min Depth (m) Sub Hdng (deg) UTM X UTM Y Comments Frmgrbs, Photos, Samples
        In the water at 00:30  
1 17 462 213 421651 5087115 Fluid Sampler and flush pump now up and working.  
1 54 1245 70 421651 5087115 Lost P-code.  
2 12 1513 353 421457 5087153 Ropos is out of its cage. First sampling target, diffus vents.  
2 14 1542 318 421457 5087153 Bottom in view. Older lavas with sponges. East side of field with oxide deposits.  
2 16 1542 317 421458 5087159 1.5 kilometers from summit. Photo 74 from the landing site.  
2 17 1543 267 421441 5087181 First target Gollum, but we have virgin mound in view.  
2 18 1544 232 421426 5087164 Temperature probe in sight, landing at Gollum.  
2 19 1545 237 421411 5087170 Highlight tape in.  
2 22 1545 242 421418 5087163 Gollum Vent R502-1
2 22 1545 242 421418 5087163 More views of shimmering water at Gollum.  
2 26 1545 220 421414 5087151 Three bacterial traps at Gollum, up to 26 degrees last year and so far we have reached 21 degree.  
2 32 1546 287 421426 5087160 Probing for temperature, flush pump keeps shutting down. Now at 16 degrees.  
2 38 1546 286 421434 5087168 Having some trouble finding the sweet spot - for temperature, local max about 15 C. Behind the worms it's 22 C. Locking the probe in.  
2 41 1546 286 421422 5087167 Gas piston 0241:23 started port side, 0241:13 stopped, max. temp. 2.3. HFS-5_dfl

_R502-1
2 44 1546 288 421197 5087614 Moving probe again, just locked it to stay out of the current. Temperature 20 C. filter started at 0245:32, FISH filter 19 degrees T1, 16 degrees T2  
2 51 1546 288 421423 5087160 Lost coms on sampler, no calL out when the FISH sample filter 6 was completed. Now the screens are dark.  
2 54 1539 217 421425 5087156 Vehicle telemetry problems, vehicle drifting south. Video just came back.  
2 56 1543 70 421412 5087163 Drifting over Dave's vent.  
2 58 1544 330 421426 5087156 Now we are back at what we think is Gollum with bacterial traps, buried tripod marker and ropes, one of which might be attached to a temperature probe.  
3 2 1546 286 421426 5087159 Maximum temperature measured so far on this second go-around is 10.5 degrees.  
3 4 1546 278 421426 5087159 In the video, a bacterial trap can be seen in the lower left and part of the tripod marker in the upper center.  
3 5 1546 276 421426 5087160 Description in the previous entry into the log. We are presently testing arm control. R502-2
3 7 1546 279 421415 5087160 Still probing around for maximum temperature, up to 13.5 degrees.  
3 8 1546 276 421415 5087160 17.5 degrees, This is the second landing at Gollum. Sampler is now locked into position. R502-3
3 12 1546 278 421414 5087160 FISH sample filter #6 had 680 mls before it was interrupted.  
3 14 1546 278 421413 5087160 0313:4 filter #6 restarted, sample HFS6_dfl_R502-2 continuation. HFS-6_dfl

_R502-2
3 15 1546 278 421414 5087162 Sampling HFS6_dfl_R502-2 continuation. R502-4
3 17 1546 278 421414 5087161 03:16:56 stopped sample, maximum temperature 2 degrees 1020 ml pumped, started fluid sample Sterivex DNA filter #7.  
3 18 1546 279 421410 5087161 Sterivex DNA filter is HFS7_dfl_R502-3. HFS-7_dfl

_R502-3
3 21 1546 279 421408 5087160 View in the video of what looks like bags growing on the bacterial trap ropes.  
3 22 1546 278 421410 5087160 Temperature record is the rope in the video with the loop. There are three bacterial traps here one of which was seen in the last frame grab.  
3 23 1546 277 421415 5087160 Filter is slowing down showing signs of loading.  
3 27 1546 277 421411 5087159 Stopping sample 03:27:12 maximum temperature 20.2 degrees. HFS7_dfl_R502-3 1450 ml.  
3 28 1546 278 421416 5087160 Bacterial traps are located about a meter away. There was little flow near the bacterial traps. T2 on HFS7 averaged about 16 C. 03:30:0 started filter 13 HFS13_dfl_R502-4 3 micro sterivex combo filter. HFS-13_dfl

_R502-4
3 37 1546 278 421414 5087161 1029 ml sample stopped at 037:40 maximum temperature 23.5 C. Next is HFS15_dfl_R502-5 started 038:4. This is a lipid filter. HFS-15_dfl

_R502-5
3 44 1546 278 421411 5087161 Photo of Gollum sampling site, #76.  
3 45 1546 277 421413 5087161 Tube worms at Gollum. R502-6
3 46 1546 275 421415 5087160 Palm worms, gastropods and tube worms at Gollum R502-7
3 48 1546 275 421416 5087161 Frame grab of bacterial traps. R502-8
3 49 1546 278 421412 5087162 Palm worms at Gollum. R502-9
3 49 1546 276 421412 5087159   R502-10
3 49 1546 277 421412 5087159 0349:10 max T 24 C as it took 1 minutes. Frame grab was unintentional. R502-11
3 50 1546 275 421412 5087160 Piston 2 about to be taken. Sample pump stopped back on at 03:51:10 or so. Then back of again.  
3 52 1546 278 421412 5087159   R502-12
3 52 1546 275 421414 5087161 Pump back on at 03:52:20. Piston 22. HFS-22_dfl

_R502-6
3 56 1547 278 421408 5087163 Suctioning first. Suction sample of gastropods , tubeworms and polynoids.  
4 1 1546 294 421407 5087160 Suctioning for all that lives here.  
4 6 1546 286 421414 5087165 Something is stuck in the suction tube.  
4 16 1546 284 421410 5087161 finished sucking at one spot and now moving to suck from a slightly different spot. ROPOS did not move however. Filling the bottle with diffuse warm fluid for a minute. SS-j4_dfl

_R502-7
4 19 1547 282 421412 5087162 Finished sampling.  
4 24 1546 300 421410 5087158 Traps at Gollum R502-13
4 24 1546 296 421407 5087153 Putting the MTR probe that was deployed at R471(1998) into the purse (thanks to Mike Perfit who invented the Perfpurse!). MTR_dfl

_R502-8
4 30 1546 287 421417 5087150 Moving sub N-NW to Marshmallow. Low relief vent with fairly focused flow next to a small chimney. Next to a pile of jumbled sheets.  
4 36 1547 38 421404 5087174 Waiting to adjust elbow control.  
4 36 1547 40 421404 5087174 Marshmallow vent R502-14
4 38 1547 39 421403 5087175 Knocked over the small chimney to stick temp probe in. T's shot up into the 60-70s. Sampling hot water using the fluid sampler. Piston 24. max T 74.3C HFS-24_dfl

_R502-9
4 43 1547 40 421412 5087179 Sampling filter 21 now. HFS-21_dfl _R502-10
4 54 1547 39 421418 5087175 Max temp on sample was 74.4C. Finished sample R502-10.  
4 55 1547 38 421413 5087180 Sample filter 12 for DNA. HFS-12_dfl _R502-11
4 57 1547 38 421417 5087175   Photo 7
5 2 1547 39 421416 5087175 Sample 12 is done - 1 liter pumped - 75.8 max temp. HFS-9_dfl

_R502-12
5 6 1547 38 421397 5087183 Correction: Started, rather than finishing pumping for sample 12.  
5 8 1547 40 421414 5087176 last sample was stopped starting HFS 04 now R502-13  
5 9 1547 42 421415 5087175 starting pumping HFS04-dfl-R502-13 HFS-4_dfl

_R502-13
5 13 1547 40 421415 5087175 Sampling at Marshmallow R502-15
5 13 1547 41 421413 5087178 Sample finished. Max temp 71.8. Now taking filter #1  
5 14 1547 38 421413 5087178 Started filter 1. HFS-1_dfl

_R502-14
5 16 1547 42 421412 5087175 Temp up to 80.7 while taking this sample on filter #1.  
5 20 1547 41 421413 5087175 Close-up of Marshmallow vent R502-16
5 21 1547 37 421414 5087174 finished sampling max temp 80.1.  
5 22 1547 38 421414 5087175 Temp up to 151 C as the probe is moved deeper into the flow. Moving to Mkr-I which is next to this vent.  
5 26 1547 33 421407 5087173 going to sample at Mkr-I for fauna and water. Mostly jumbled and folded sheet flows surround the site. Turn Jean's video on.  
5 28 1547 320 421402 5087175 Suction sampler J3 will be used for sucking up these poor defenseless animals.  
5 33 1547 317 421411 5087175 Suction sample from Mkr-I R502-17
5 32 1547 318 421408 5087179 Starting to suck. Can se a little diffuse flow. At Mkr-I. Running T recording program. Sucking a group of tubes and snails. SS-j3_dfl

_R502-15
5 41 1547 322 421404 5087175 Stopping suctioning.  
5 42 1547 334 421409 5087175 Mkr-I R502-18
5 43 1546 336 421412 5087174 Mkr-I in view R502-19
5 43 1546 21 421412 5087174 Leaving Mkr-I and heading to virgin mound to pick up hobo and sample water.  
5 45 1547 68 421425 5087169 Virgin with Hobo R502-20
5 45 1546 68 421425 5087169 There are now some animals on the base of the chimney at Virgin mound. appear to be palm worms. Chimney is now 50 cm tall and 10cm wide. Knocking over the anhydrite chimney. Lots of clear to gray smoky water emanating from the orifice  
5 49 1547 64 421423 5087177 open vent in Virgin mound chimney R502-22
5 49 1547 60 421423 5087177 another shot of sampler R502-23
5 52 1547 62 421421 5087171 130 degree spot. se HOBO in background R502-24
5 58 1547 61 421430 5087171 Flushing line #8, T is over 30 C. Probe is stuck right down into the hole with most concentrated venting. Stb. gastight will be taken next. 306.4 max T. Gtb-7_hfl_

R502-16
6 1 1547 63 421425 5087179 Next is bag 18 with the filter. Taking T1 309.8 T2 is 140 C. HFS-18_hfl _R502-17
6 7 1548 63 421432 5087171 Finished sampling bag 18 with a filter started at 6:02 max T 309.9 C.  
6 9 1547 66 421429 5087172 Picking up the Hobo here and taking it to Inferno.  
6 10 1548 50 421430 5087170 Highest T's ever measured at Virgin Mound. Grabbing Hobo. it seems to be stuck in mound.  
6 13 1547 51 421429 5087172 Leaving virgin mound, photos of transect heading 248. Photos 83-85
6 14 1544 245 421423 5087172 Traversing to Inferno, taking some photos. At Mushroom vent, looks fairly similar to last year. Beehives on top. Little bubbles too Photos 86-87
6 16 1546 297 421408 5087173 Top of Mushroom, bubbles! R502-25
6 17 1546 0 421397 5087164 Mushroom top R502-26
6 18 1546 153 421390 5087167 Mushroom R502-27
6 18 1546 153 421390 5087167 side shot of Mushroom. R502-28
6 18 1546 176 421397 5087165   R502-29
6 18 1546 181 421397 5087165   R502-30
6 18 1546 178 421397 5087165 Top of Mushroom vent R502-31
6 21 1544 246 421384 5087164 Hobo on top of Inferno R502-32
6 21 1544 246 421384 5087164 Inferno vent R502-33
6 21 1544 9 421391 5087162   R502-35
6 21 1544 2 421391 5087162 Inferno Vent with high temp probe R502-34
6 21 1544 23 421391 5087162 At Inferno vent. photos of top with Hobo. Many dead worms at base of chimney. Can't see any shimmering water at base. Photo of base is Photo 90 photos 88-90
6 23 1548 114 421177 5086842 Mkr-7 in view. Lavas are folded sheets. Moving over to area of concentrated microbial mat.  
6 24 1546 354 421991 5086680 Vent is much less active with less life than seen previously.  
6 25 1544 314 422154 5089405 We lost communication.  
6 26 1543 276 422154 5089405   R502-36
6 27 1543 194 421393 5087160 Inferno vent R502-38
6 27 1543 192 421393 5087160 Flow out of top of Inferno. Seems slower than last year. R502-37
6 28 1544 181 421392 5087162 Communication is back now. Going to sample.  
6 30 1544 198 421387 5087162 Inferno with HT probe R502-39
6 30 1544 198 421396 5087153 Hobo spot in vent orifice with chalcopyrite lining. R502-40
6 31 1544 192 421390 5087158 Lost communication with sub again.  
6 31 1543 199 422156 5089404 Inferno before excavation R502-41
6 33 1544 174 421388 5087167 Knocked of top behive chimney at top of Inferno - the one next to the Hobo probe.  
6 36 1544 244 421394 5087158 Vigorous venting at Inferno R502-43
6 38 1544 222 421389 5087160 Venting with worms of a different color R502-44
6 38 1544 227 421389 5087160 Looking at top of Inferno- Jet of clear-ish water blasting out where top spire was knocked of. Sulfide worms with Orange stalks-Strange? R502-45
6 44 1544 229 421387 5087162 Unusual yellow colored tube worms (casings) on top of chimney.  
6 45 1544 226 421389 5087159 sampling Inferno R502-46
6 46 1544 228 421389 5087159 Temps over 30 C! broke previous record.  
6 47 1544 225 421390 5087160 Going to start with bag #14 with filter.  
6 52 1544 234 421381 5087164 Still probing Inferno for a good temperature.  
6 54 1544 233 421386 5087162 We're locking in here to sample. Bag #18 starts 6:5 HFS-14_hfl _R502-18
6 58 1544 233 422228 5089424 crap! that was bag 14 , stops at 6:59  
6 59 1544 235 421387 5087160 HFS 16 HFS-16_hfl _R502-19
7 2 1544 234 421386 5087160 finish bag 16 at 7:05  
7 3 1544 235 421387 5087161 Preparing to do gas tight port at Inferno Gtb-2_hfl

_R502-20
7 7 1544 234 421382 5087162 Flushing the bottle  
7 8 1544 233 421380 5087159 Just fired the port gas tight  
7 8 1544 236 421388 5087160 Preparing to filter HFS-2_hfl

_R502-21
7 10 1545 232 421387 5087161 Starting to filter at 07:10  
7 12 1544 233 422360 5089449 Stopped filtering (476 ml). T max 289.6  
7 16 1544 238 421390 5087164 We're going to try to measure the temperature on a different orifice at Inferno.  
7 19 1545 238 423673 5087079 Probing temp at another orifice at Inferno. R50247
7 20 1544 238 421386 5087165 Trying to get the HOBO out. Temp at the other orifice came to around 82.5, but we couldn't get into it completely.  
7 25 1544 245 421377 5087166 Retrieving hobo from Inferno R50248
7 34 1544 245 421388 5087161   HOBO_hfl

_R502-22
7 35 1544 242 421387 5087163 HOBO 137 from Alvin dive 3246 (1998)  
7 36 1544 3 421390 5087162   Photo 91, 92
7 40 1548 48 421381 5087160 Heading for Crack Vent next. Moving ship 20 m south.  
7 42 1547 51 421392 5087162 Bacteria traps at Mushroom R502-49
7 42 1547 51 421392 5087162 Checking out the base of Mushroom for bubbles.  
7 44 1548 66 421391 5087168 Mushroom which used to be the bubbler near traps R502-50
7 46 1546 148 422182 5089407 Lots of active venting around here. Photo 93
7 47 1547 142 421397 5087158   Photo 94
7 48 1547 145 421400 5087152   Photo 95
7 48 1547 146 421409 5087149 Flat sheet flow.  
7 49 1546 144 422525 5089440   Photo 96
7 49 1546 147 422525 5089440 Bio column cemented down R502-51
7 50 1546 144 422508 5089428 Checking the Column.  
7 50 1546 147 423961 5088321 Close view of bio column R502-52
7 51 1546 149 423963 5088320 Column is probably clogged up & no longer flowing.  
7 52 1547 75 423378 5089196 Sampling site R502-53
7 52 1546 54 423378 5089196 Three vents with anhydrite around them.  
7 53 1547 13 422866 5087564 Close view of fluid sampling site R502-54
7 53 1547 18 422866 5087564 At Crack Vent - piston 20 some time in the near future.  
7 59 1547 15 429103 5086486 Temperature probe at Crack R502-60
8 1 1547 14 423098 5089355 piston 20 HFS-20_hfl _R502-23
8 10 1547 46 423112 5089342 after a few minutes of Ian being a bit shy about it, 75 deg water is being pumped R502-61
8 16 1547 46 421424 5087126 all done (piston 20)  
8 17 1547 43 421424 5087126 filter 10 at crack HFS-10_hfl _R502-24
8 23 1547 47 421421 5087129 end of filter, time to drive it to Hell Vent  
8 26 1547 5 421421 5087136   photo 98
8 26 1546 281 421421 5087136   photo 9
8 27 1546 239 422235 5087601   photo 10
8 28 1547 274 421658 5086451   photo 101
8 29 1547 249 420468 5085570   photo 102
8 30 1548 240 420468 5085570   photo 103
8 40 1543 11 423295 5089302 Niskin sampling going on.  
8 42 1544 309 423160 5089361 154 m. Niskin done. Niskin_hfl

_R502-25
8 46 1546 234 422215 5088313 Mkr-L sighted.  
8 46 1545 243 422215 5088313 Arrived at Porkchop. Planing to park near the chimneys.  
8 47 1544 244 421894 5087527 Hell vent R502-64
9 4 1544 231 423876 5088262 Starting filter 3. HFS-3_hfl

_R502-26
9 6 1544 229 423704 5087335 Stopped filter 3 at 30 ml. Max T 294.7  
9 7 1544 231 423704 5087335 Sample #17 starting now.  
9 7 1544 230 423704 5087335 Bag #17 is an unfiltered bag. HFS-17_hfl _R502-27
9 9 1544 230 423704 5087335 Hell Vent finally R502-66
9 11 1544 229 423704 5087335 575 ml. T max 294. #19 starting now. HFS-19_hfl _R502-28
9 12 1544 230 423704 5087335 Fluid sampling at Hell vent R502-67
9 15 1544 230 421515 5087175 T max 293.1 - 574 ml - #19 over - Starting sample #29. HFS-23_hfl _R502-29
9 17 1544 229 423325 5089114 156 ml - T max 291.9 - sample #29 done.  
9 20 1543 222 421536 5087144   Photo 105 & 106
9 21 1543 217 421536 5087144   Photo 107
9 23 1543 230 421536 5087144 Another view of Hell vent R502-68
9 24 1544 135 421536 5087144 A few small spires at Hell vent R502-69
9 26 1544 53 421536 5087144   Photo 108
9 26 1544 41 421536 5087144   Photo 108
9 29 1546 91 423588 5085086 We may have arrived at Porkchop. R502-70
9 31 1544 312 421534 5087147 Trying to locate Porkchop.  
9 32 1547 332 421534 5087147 Here we are. Porkchop R502-71
9 31 1547 332 421534 5087147 If it's this one, it has grown a small spire since last summer. Shifting to the left of spire where the worms are for next sample.  
9 34 1547 339 421505 5087183 Zooming in to compare on video the different worms.  
9 34 1547 338 421505 5087183 Close-up of worms at Porkchop R502-72
9 38 1547 341 421539 5087146 Close-up of the palm worms at Porkchop R502-73
9 40 1547 341 421539 5087146 Copepods present with sulfide worms - tiny red dots jumping around. They could be feeding or mating.  
9 43 1547 338 421539 5087146 Scale worms (L. piscesae & Branchiate polynoids) & tube worms present in same area as above.  
9 55 1547 344 424723 5081524 Suction sampling in jar 1 for Kim - trying to get the Copepods. SS-j1-bio_

R502-30
10 5 1546 341 419478 5080949 Suction sample of worms at Porkchop R502-75
10 12 1546 342 421537 5087149 Still sampling at the same spot to get more of the stuff.  
10 16 1546 340 421532 5087153 Sampling into jar 1 finished. Dumping contents of vacuum hose into flush jar 4. Moving now to Phoenix.  
10 21 1547 116 421857 5084991 We have arrived at Phoenix. R502-76
10 22 1547 165 421513 5087149 At Hillock/Phoenix.  
10 23 1547 166 421525 5087134 Baby tube worms at Hillock/Phoenix R502-77
10 23 1547 166 421525 5087134 Baby tube worms - don't look too healthy.  
10 24 1547 162 421527 5087132 Palm worms at Hillock/Phoenix R502-80
10 26 1547 168 423597 5085075 Just look - don't touch !  
10 27 1547 166 423597 5085075 Still observing the worms in their natural habitat at Phoenix R502-82
10 29 1547 168 423597 5085075 Some sea spiders at Phoenix R50283
10 29 1547 165 423597 5085075 Pycnogonids (sea spiders) present here - they move in as other stuff dies.  
10 35 1547 165 427960 5083553 Sampling palm worms as well as sulfide worms together for Christian in jar 2. This sampling is being done just left (east) of the sanctuary. SS-j2-bio

_R502-31
10 39 1546 157 425000 5080661 Sorry the rope is in the way. we are suctioning sulfide worms at Phoenix R502-87
10 44 1546 156 421288 5081147 Suctioning tube worms at Phoenix R502-88
10 50 1546 154 421288 5081147 End of sample. Heading to Medusa.  
10 55 1546 21 421503 5087164 Suction sampling of anemones at Medusa? R502-89
10 56 1546 20 421503 5087164 Attempting to collect an anemone. squished one. Knocked three of but they were attached to rocks. Got one at 1:02, got the second one. Squished one, Got 3 and a rock. SS-4_bio

_R502-32
11 8 1546 12 421500 5087164 anemone gulch. photo 109
11 11 1545 67 421413 5087149 Attempting to dig some clams in a crack close to Medusa. Got some.  
11 15 1545 71 424787 5081518 Getting a few more clams 1:15  
11 18 1545 66 425110 5080695 ROPOS is moving around still trying to find more clams. Last stop. Some shimmering water. So moving to another location. Now in a depression with black sediment. Attempting to suck clams. Giving up. Heading to oxide sampling.  
11 29 1545 177 425177 5080692 Fe sample area R502-90
11 25 1545 289 422113 5080131 Positioning suction sampler to bottle 1. Looking for oxides. No nav available. Heading south. lots of dead clams. Broken sheet flows. Small FeO. Now a large field of FeO (15M south). Will sample.  
11 31 1545 176 421482 5087178 FeO field photo 10
11 33 1545 178 421502 5087144 Sampling FeOxide R502-91
11 31 1545 176 421201 5088131 FeO at a large field. Look like 30cm height 8cm in diameter termite hills. Sucking slowly. Did not see venting. So don't appear to be growing. Sampled three termite hills, hard on outside soft on inside. No fix yet. Sample finished. SS-1_FeO

_R502-33
11 44 1545 176 421437 5087142 FeOxide sample site R502-92
11 44 1545 178 421437 5087142 FeO termite hills. 30-40cm high photo 1
11 44 1544 164 421502 5087150 FeO photo 12
11 45 1543 168 421475 5087153 Couple of meters wide and NS  
11 45 1543 163 421484 5087151 Long distance view FeO photo 13
11 45 1542 168 421447 5087228 Coming of the bottom to get a fix.  
11 47 1539 169 421459 5087146 No good fixes for sub. Getting cage fixes.  
11 48 1538 167 421486 5087154 Still no fixes. Should be 15m straight S of Medusa. Heading S to se how far it goes. Back to near where we sampled.  
11 50 1543 184 421489 5087140 large piece of FeO photo 14
11 51 1545 169 421468 5087166 gray-white material, perhaps Barite. photo 15
11 51 1545 169 421492 5087118 FeOxide sample area, and possible barite deposits R502-93
11 52 1545 172 421491 5087115 little sulfide chimney R502-94
11 52 1545 171 421491 5087115 Sulfide chimneys.  
11 52 1545 175 421448 5087218 Sulfide chimney R502-95
11 54 1545 173 421451 5087217 Repositioning SS to bottle 4 to attempt to suck up the gray-white material.  
11 56 1545 171 421454 5087088 possible Barite rock sample broken and suctioned. still no fixes. SS-4_sf

_R502-34
12 1 1545 173 421493 5087135 Repositioning SS to bottle 2. About to move along the FeO field to the end of it. Heading South.  
12 2 1544 179 421505 5087133 FeO photo 18
12 2 1544 183 421479 5087134 FeO photo 17
12 3 1544 176 421399 5087140 FeO some clams. photo 18
12 3 1544 183 421399 5087140 Fe oxide area R502-96
12 3 1544 180 421508 5087135 Coming to edge Photo 19
12 4 1543 178 421463 5087137 Out of the FeO. photo 120
12 4 1543 177 421456 5087141 Outlier FeO Photo 121
12 4 1543 171 421488 5087137 Turning to N to look for a landmark.  
12 5 1544 357 421488 5087137 FeO spires. photo 12
12 6 1544 357 421458 5087216 FeO photo 123
12 6 1544 358 421458 5087216 Fe oxide spires R50297
12 6 1544 357 421458 5087216 sheet flow surface scattered with FeO photo 124
12 7 1544 355 421458 5087216 the crack. 10-15 m south of crack photo 124
12 8 1544 0 421499 5087097 The Cowen column is the landmark. 10-15 s of that is the FeO field.  
12 9 1544 185 421499 5087097 start of FeO photo 126
12 9 1544 184 421499 5087097 Rt turn to the west from the middle of the field. Towards the wall.  
12 10 1544 270 421499 5087097 west side FeOxide area R502-98
12 10 1544 258 421499 5087097 Western side of FeO field. photo 127
12 11 1545 259 421499 5087097 Looking at a broken piece to se if it is a sulfide spire.  
12 12 1545 260 421457 5087225 FeOxide chimney R502-99
12 13 1545 259 421494 5087119 Looks like oxidizing sulfides.  
12 14 1545 260 421494 5087119 Sulfide rusting away. photo 128
12 15 1545 266 421464 5087219 Holothorian with red inside?  
12 15 1544 267 421453 5087217 Fractures with FeO photo 129
12 16 1544 271 421453 5087217 Broken sheet flow , w/ talus out of FeO. Lasted 10 meters - 10m E-W, last 5m was just scattered mounds. Close to West wall. Talus,  
12 17 1543 267 418319 5088512 More FeO photo 130
12 18 1543 272 418319 5088512 crossing fractures. photo 131
12 18 1543 270 421498 5087159 We were not close to the wall before. Heading back to the cage then move over to wall.  
12 20 1537 34 416485 5086953 Steve's tape is stopped.  
12 28 1479 295 421543 5087138 Back at the cage. Will move the ship near to the west wall of the caldera.  
12 32 1489 271 421543 5087138 Going back down to the bottom.  
12 36 1542 271 421464 5087140 Back on bottom near the west wall. Sponges on the wall. Rough terrain. Video on.  
12 37 1543 271 421464 5087140 FeO along w/ sponges. patches of iron oxyhydroxide. Looking for diffuse venting.  
12 38 1543 272 421464 5087140  
 12 38 1543 275 421464 5087140 Sponge density is 50/m2. Lots of talus, blocks of lava, very broken up.  
12 39 1544 272 421177 5088160 Iron oxyhydroxide in the cracks. Another pressure ridge. Still have lots of sponges. Wall on sonar. Need to move the ship 50meters west.  
12 44 1544 265 421485 5087143 Moving to west looking for venting. Broken lava, w/ high density of sponges. Basket star. Scattered iron oxides.  
12 46 1543 266 421479 5087141 Clams, tube worms.  
12 48 1545 276 421455 5087141 Moving west along the crack, lots of dead clams. No tube worms. Iron oxide al along the crack in the sheet flow.  
12 52 1544 103 421436 5087148 Continue to the west to find a venting area.  
12 54 1543 266 421431 5087145 Tube worms.  
12 56 1544 247 421448 5087155 Tube worms among iron oxide covered pillows. photo 13
12 57 1545 297 422119 5085795 Continue west in search of iron oxide and venting.  
12 58 1545 260 422119 5085795 Move the ship 30 meters to the west.  
12 59 1545 269 422119 5085795 Moving west.  
13 0 1544 270 416576 5087463 Lobate lavas, w/ small sponges? at the wall, big blocks of lava.  
13 1 1543 270 416576 5087463 Coarse sediment siting on the wall. Moving up.  
13 2 1540 266 421443 5087147 Red oxide sediments. Looking for venting. Oxidizing sulfides.  
13 3 1537 268 421443 5087147 No evidence of venting.  
13 4 1532 265 421443 5087147 Moving back N, and deeper.  
13 5 1537 264 421398 5087140 Backing away from the wall. Will lateral north. Oxides. Wind is picking up. Looks like a good site. Oxides and venting a very little bit.  
13 7 1543 312 427478 5084592 FeO sampling site R502-100
13 7 1543 312 427478 5084592 Can't get photos, battery is dead. Venting. Oxides al around.  
13 9 1543 304 423656 5087061 Positioning the arm to get a fluid sample.  
13 14 1543 302 423898 5091215 temp 5 to 6 deg C.  
13 15 1543 300 428622 5086878 5 to 6 degree C, bag w/ filter. max T 6.2 C HFS-11_dfl _R502-35
13 19 1543 300 428576 5086813 stopped sample 6.2 C vol 601 ml.  
13 23 1543 297 428039 5085391 Suction sample for oxide and bacteria. This is around the site that we took the fluid sample. SS-2_FeO

_R502-36
13 33 1543 300 416511 5087307 Sampling complete for bottle 2.  
13 34 1543 295 416511 5087307 Flushing the line into bottle 2.  
13 35 1543 298 416511 5087307 Some of the same sample for 2 contaminated 3 when the bottle 3 was put into position. SS-3_FeO

_R502-37
13 38 1543 109 416498 5087247 Tube worms at the base of the wall  
13 38 1543 65 416498 5087247 field of senescent tube worms, near west wall R502-102
13 39 1526 128 416498 5087247 Moving back to the cage.  
13 42 1491 30 421393 5087135 Back at cage. Moving straight to Hell. Steve's tape is off.  
13 53 1499 50 421381 5087136 Arrived at Hell. Leaving cage, heading to the bottom.  
13 55 1541 95 421381 5087136 Bottom in sight, fixes no good.  
13 59 1543 281 421502 5087136 fix puts us south of Hell.  
14 7 1542 296 421415 5087090 Arrived at Hell vent. Collecting hobo sampler.  
14 11 1542 275 421366 5087139 Hobo collected, will ride in the arm until we get to inferno. HOBO_R502-38
14 12 1542 26 421366 5087142 Heading to inferno.  
14 13 1542 39 421364 5087146 Arrived at Inferno vent.  
14 14 1545 21 421364 5087146 Opening purse, attempting to drop hobo from Hell into purse. Giving up on up on putting hobo in purse. Going to hold it in the 5 function arm to the surface.  
14 24 1545 24 421392 5087165 Putting the hobo on the bottom in order to get a new grip near the top.  
14 26 1544 13 421391 5087163 ROPOS is leaving the bottom, heading back to cage. Dive is over. Will come to the surface. Dive ended due to weather  
15 17 1 207 421417 5087133 Ropos on deck  
       Dive Summary: ASHES Vent Field dive - Deployed HOBO at Hell, retrieved MTR at Gollum, collected 38 samples (HFS, suction, gtb, niskin).