Dive 545

UTC

Z(m)

Hdg

UTM X

UTM Y

Comments - Dive R545

Samples

Investigator

SubSmps

FrGrb#

Automated Logging System not giving accurate information!! All auto time, heading, depth and utm position information inaccurate! CORRECT TIME AND POSITION ENTRIES ARE FOUND IN COMMENTS COLUMN. As always, positions in utm x/y columns are automated and not flagged for accuracy. Consult dive maps for final position data.

Tasks: Deploy larval tubes, Hobos, MTRs, bactraps. Recover bactraps, hobos. Suction sampling of sulfides, gtb's, McLane pump and more at ASHES Vent Field and the caldera wall.

Bottom time: JD188(7/6) 0610-1435

ROPOS in the water at 0519

05:23 'Tunnicliffe tape' is on starting at ~85 meters

06:08:48 Jul 06 '00

1525

326

421440

5087140

0610 - On bottom.

06:10:08 Jul 06 '00

1539

334

421440

5087140

0611 -Start Embley tapes. At crack vent at ASHES where the Johnson Bio-column experiment was. Start Tunnicliffe tapes too at 0613.

06:13:48 Jul 06 '00

1545

44

421441

5087140

0615 - Photo #21 of ropy sheet flow lavas between Gollum and Crack Vents. NOTE: The counter for photos was just reset, so the next photo will be #1.

06:14:08 Jul 06 '00

1545

6

421441

5087140

0617 - Milk crate with 4 larval traps put down on the seafloor, will come back to get them after we deploy bacteria traps at Gollum. Moving North to Gollum now.

06:14:38 Jul 06 '00

1545

9

421441

5087140

The official larval tubes of major league baseball, deployed between Gollum and Crack Vents.

R545-001

06:19:30 Jul 06 '00

1544

4

421441

5087140

0620 Navigation is not working well. Photo 1, 2, 3 of Gollum and bacteria traps.

06:19:50 Jul 06 '00

1543

15

421441

5087140

Gollum bacterial traps before recovery

R545-002

06:21:14 Jul 06 '00

1545

330

421441

5087140

0622 - Positioning to pick up bacteria trap 45 at Gollum. Photo 4 taken of bacteria trap 45 at Gollum.

06:24:40 Jul 06 '00

1545

324

421441

5087140

0625 - RECOVERING bacteria trap 45, put into port side of biobox. Gollum x=421422 y=5087166 depth=1546m.

R545-BT-0001

Moyer

06:26:30 Jul 06 '00

1545

341

421441

5087140

bac trap 33 old position

R545-003

06:26:30 Jul 06 '00

1545

341

421441

5087140

0627 - Repositioning bacteria trap #33 at Gollum vent because it wasn't in the flow when deployed in 1998.

06:28:40 Jul 06 '00

1545

311

421424

5087165

bac trap 33 new position

R545-004

06:30:10 Jul 06 '00

1545

301

421430

5087164

0630 - DEPLOYING MTR 3026 AT GOLLUM VENT.

06:30:50 Jul 06 '00

1545

301

421430

5087164

.... add MTR 3026

R545-005

06:32:30 Jul 06 '00

1545

301

421408

5087169

0633 - DEPLOYING BACTERIA TRAP #50 AT GOLLUM VENT, right over the MTR (#3026).

06:33:20 Jul 06 '00

1545

308

421416

5087165

adding new bac trap

R545-006

06:37:34 Jul 06 '00

1545

311

421401

5087187

0637 - Good video of Gollum vent. Tons of limpets covering tube worms with palm worms interspersed.

06:40:44 Jul 06 '00

1546

310

421221

5087529

0641 - Positioning to take a suction sample of provannid snails on periphery of Gollum vent. Need to move the sub a bit to get a good angle for suction.

06:43:34 Jul 06 '00

1546

299

421423

5087166

Start suction sample of provaniid snails (BIO) at 0646 into Jar#4. Stop suction at 0652. (Basalt chips sub sample). Gollum

R545-SS-J4-0002

Tunnicliffe

J Chadwick

06:46:36 Jul 06 '00

1545

299

421423

5087166

0647 - Very stark demarkation between clumps of limpets, tubeworms, palm worms etc. which live right in the flow versus the provaniids which live on the bare basalt on vent periphery.

06:50:56 Jul 06 '00

1546

303

421403

5087184

0651 - Suctioning snails at Gollum.

Tunnicliffe

R545-007

06:54:06 Jul 06 '00

1546

307

421422

5087166

0655 - Gollum site where we suctioned snails and deployed a trap.

R545-008

06:56:56 Jul 06 '00

1546

307

421422

5087166

0659 - Going back to the cage to wait for everything to settle out. Turned off Tunnicliffe tape.

07:00:26 Jul 06 '00

1531

199

421405

5087173

0701 -GPS is jumping around so we're having trouble figuring out where we are.

07:03:46 Jul 06 '00

1493

285

421405

5087173

0705 - Turned the McLane pump on and it is currently pumping water for particles and larvae

07:08:56 Jul 06 '00

1499

73

421405

5087173

0709 - Ship seems to have settled down, GPS is back, so we're going back down to find the larval columns near Crack.

07:11:56 Jul 06 '00

1520

309

421411

5087111

0713 - Coming back down to the bottoms and looking for the column at Crack to then find the larval traps.

07:12:46 Jul 06 '00

1530

309

421411

5087111

0714 - We're looking at Hillock/Phoenix.

07:14:28 Jul 06 '00

1542

323

421411

5087111

0716 - We've found some clams, but most of them look dead. Also a sea cucumber.

07:15:08 Jul 06 '00

1543

8

421411

5087111

dead clams at Phoenix

R545-009

07:15:28 Jul 06 '00

1543

58

421411

5087111

dead clams behind Phoenix

R545-010

07:17:18 Jul 06 '00

1546

74

421411

5087111

0719 - Still waiting for the ship to settle out- it seems to be moving back now.

07:20:48 Jul 06 '00

1546

66

422166

5087582

Holothuria at Phoenix

R545-011

07:20:58 Jul 06 '00

1546

66

422166

5087582

0721 - Photo 5 of holothurian near the dead clams near Phoenix

07:22:08 Jul 06 '00

1539

308

421411

5087111

0715 -The ship is drifting to the south, which is messing up our navigation and ability to maneuver.

07:22:28 Jul 06 '00

1546

65

422166

5087582

0723 - We're watching the hole on the holothurian...wow

07:23:28 Jul 06 '00

1546

64

422166

5087582

0724 - Enough of that fun- back to looking for the column and larval traps.

07:24:58 Jul 06 '00

1545

37

422166

5087582

0726 - We see an octopus! Photo #6, Highlights on.

07:24:58 Jul 06 '00

1545

37

422166

5087582

Octopus on the way to Gollum.

R545-012

07:25:48 Jul 06 '00

1545

74

422166

5087582

octopus

R545-013

07:26:18 Jul 06 '00

1545

89

422166

5087582

0727 - Photo 7 Another picture of the octopus

07:28:58 Jul 06 '00

1545

81

421404

5087133

0729 - We've found the Johnson column near Crack. We're going to recover the Vemco from here.

07:30:08 Jul 06 '00

1545

55

421418

5087139

0730 - VEMCO into port biobox- it's not really in flow but surrounded by shimmery flow. (Deployed on an Alvin dive 3245 in 1998). Near Crack Vent x=421424 y=5087135.

R545-VEMCO-0003

Embley

07:31:38 Jul 06 '00

1546

58

421418

5087145

0731 - Highlights off

07:31:58 Jul 06 '00

1546

57

421418

5087145

0732 - Looking at Paul Johnson's cement block at Crack- seems to be shimmery flow coming through the hole where the column used to be, as well as flow around the base.

07:33:38 Jul 06 '00

1546

58

421419

5087144

0734 - Now going to look for larval tubes

07:34:08 Jul 06 '00

1546

58

421384

5087176

0735 - Photo #8 of Paul Johnson's Crack Vent column

07:34:08 Jul 06 '00

1546

58

421384

5087176

Paul Johnson's biocolumn at crack vent

R545-014

07:34:28 Jul 06 '00

1546

57

421384

5087176

0735 - The larval tubes are in view. Tunnicliffe tape is on. We're getting acoustic navigation intermittently.

07:35:18 Jul 06 '00

1546

58

421384

5087176

0738 - We are going to get one of the larval traps out of the milk crate to deploy it to the west.

07:39:28 Jul 06 '00

1546

29

421420

5087136

Picking up larval tubes near Crack Vent.

R545-015

07:39:38 Jul 06 '00

1546

29

421420

5087136

0746 - Photo 9 of manipulating the milk crate with larval traps.

07:41:00 Jul 06 '00

1546

29

421420

5087136

0741 - Larval tube 6 is out of the crate and on the seafloor.

07:42:30 Jul 06 '00

1546

29

421384

5087181

0743 - Larval tube #8 is out of the milk crate and in the 7 function arm.

07:43:30 Jul 06 '00

1546

27

421420

5087135

0744 - We are putting larval tube #8 from the seven function arm into the 5.

07:44:00 Jul 06 '00

1546

28

421420

5087135

0745 - Now we're picking up larval tube #6 in the seven-function arm.

07:44:40 Jul 06 '00

1546

29

421458

5087094

0746 - Now we're heading west from just north of crack to find a place to deploy the traps.

07:46:10 Jul 06 '00

1546

29

421444

5087182

0747 - Setting down west/northwest from crack column to deploy the traps.

07:49:00 Jul 06 '00

1546

256

421420

5087135

0749 - Larval tube #6 fell over when we put it down-oops.

07:50:10 Jul 06 '00

1546

258

421420

5087135

0750 - Photo #10 of larval tube being picked up.

07:50:30 Jul 06 '00

1546

257

421417

5087138

0751 - Larval tube #6 fell out again and rolled into a group of tubeworms that look dead.

07:52:10 Jul 06 '00

1546

239

421383

5087172

0753 - Putting larval tube #8 into the other arm.

07:54:10 Jul 06 '00

1546

270

421417

5087138

0755 - Trying to find a flat place for larval tube #8.

07:59:00 Jul 06 '00

1546

271

421407

5087139

0759 - We're still trying to find a flat spot for larval tube #8.

08:01:40 Jul 06 '00

1546

62

421410

5087140

0802 - Larval tube #8 DEPLOYED is now on a flat surface and we are going to take the cap off.

08:02:30 Jul 06 '00

1546

45

421404

5087145

0803 - Fix for where we are putting the tube X 421406 Y5087138.

08:03:30 Jul 06 '00

1546

45

421404

5087145

0804 - Removed the cap for #8, leaving it on the ground Photo #11 of Tube #8.

08:04:20 Jul 06 '00

1546

47

421404

5087145

0806 - We're going to go pick up larval tube #6 to put it in place.

08:07:40 Jul 06 '00

1545

238

421410

5087139

0808 - picking up Tube #6 (larval trap).

08:07:40 Jul 06 '00

1545

238

421410

5087139

08:08 - near Crack. near bacterial trap #6.

R545-016

08:09:42 Jul 06 '00

1546

344

421401

5087134

0810 - We have successfully picked up larval tube #6, travelling back to the flat spot to deploy it.

08:12:42 Jul 06 '00

1545

103

421410

5087145

0813 - Deploying tube #6 near #8. Changed out Embley tape.

08:13:32 Jul 06 '00

1546

30

421410

5087145

0815 - Larval tube DEPLOYING #6 is now on the bottom and we will remove the cap now.

08:15:32 Jul 06 '00

1546

40

421377

5087181

0817 - Cap for tube #6 is out on the seafloor.

08:15:52 Jul 06 '00

1546

40

421377

5087181

0817 - We are going back to the milk crate to get the other larval tubes.

08:15:52 Jul 06 '00

1546

40

421377

5087181

08:18 - Larval tube #6 near Crack.

R545-017

08:19:22 Jul 06 '00

1546

137

421415

5087144

0819 - Fiddling with the larval tubes in the milk crate.

08:21:42 Jul 06 '00

1546

135

421409

5087144

0822 - Larval tube #5 is being removed from the milk crate and DEPLOYED.

08:24:12 Jul 06 '00

1546

136

421409

5087144

08:25 - larval tube #5 at Crack.

R545-018

08:27:42 Jul 06 '00

1546

103

421409

5087144

0828 - Removing larval tube #7 from milk crate now.

08:31:02 Jul 06 '00

1546

229

421421

5087142

0832 - Larval tube #7 has been removed. Now placing the milk crate near the column at Crack.

08:31:22 Jul 06 '00

1546

226

421421

5087142

08:32 - biocolumn box at crack.

R545-019

08:31:52 Jul 06 '00

1546

233

421421

5087142

0833 - Going back to uncap larval tube #5 and #7.

08:33:12 Jul 06 '00

1546

207

421421

5087142

0834 - Good fix for larval tubes position x=421417 y=5087156, between Crack and Daves.

08:33:32 Jul 06 '00

1546

207

421421

5087142

08:35 - larval tube #7 near Crack.

R545-020

08:33:52 Jul 06 '00

1544

308

421421

5087142

0835 - Removing larval tube cap #7.

08:35:22 Jul 06 '00

1546

274

422146

5089387

0837 - Now removing larval tube cap #5.

08:38:34 Jul 06 '00

1546

184

421418

5087138

0838 - Larval tube cap #5 removed.

08:38:34 Jul 06 '00

1546

184

421418

5087138

08:39 - larval tube #5 near Crack.

R545-021

08:39:24 Jul 06 '00

1546

183

421418

5087138

Photo #13 of the larval tube set up looking south.

08:39:44 Jul 06 '00

1546

183

421418

5087138

R545-022

08:40:04 Jul 06 '00

1545

188

421418

5087138

08:40 - larval tubes near Crack.

R545-023

08:40:24 Jul 06 '00

1544

197

421418

5087138

0841 - Now we're going to go to Phoenix area to do microbial trap stuff.

08:44:34 Jul 06 '00

1544

136

422074

5089387

0845 - We think we're at Phoenix.

08:46:44 Jul 06 '00

1545

243

421405

5087133

0849 - Photo 14 of Phoenix, which we are indeed at, although we're still looking for the bact traps.

08:46:44 Jul 06 '00

1545

243

421405

5087133

08:49 - Phoenix

R545-024

08:50:24 Jul 06 '00

1546

327

421387

5087120

0850 - We're looking for Craig's traps now at Phoenix. I think we're at ROPOS now- yes, we've spotted the traps at ROPOS Vent.

08:50:34 Jul 06 '00

1545

17

421387

5087120

08:51 - bactrap at ROPOS.

R545-025

08:50:54 Jul 06 '00

1546

302

421387

5087120

0851 - The traps are completely encrusted in worms, limpets, gunk, etc.

08:51:14 Jul 06 '00

1546

249

421387

5087120

08:52 - bactrap at ROPOS.

R545-026

08:51:34 Jul 06 '00

1547

173

421387

5087120

08:52 - bactrap at ROPOS. When we lifted it up, two little octopi swam out from under it!

R545-027

08:51:54 Jul 06 '00

1547

170

421387

5087120

0852 - Bacterial trap #27 from ROPOS into port side of biobox. The traps are majorly covered in gunk and when we lifted it up two little octopi swam out from under it! z=1547. ROPOS Vent

R545-BT-0004

Moyer

08:53:44 Jul 06 '00

1547

167

421387

5087120

08:55 - bactrap at ROPOS.

R545-028

08:56:04 Jul 06 '00

1547

167

421386

5087134

0856 - The line of this recovered trap is covered in feathery white microbial stuff.

08:57:14 Jul 06 '00

1547

168

421386

5087134

0857 - We're searching for the other microbial trap here at ROPOS- where's the trap?

08:57:44 Jul 06 '00

1547

162

421386

5087134

08:58 - ROPOS Vent

R545-029

08:57:54 Jul 06 '00

1547

165

421386

5087134

0858 - We've dug up another microbial trap- once again completely covered in white, worms, limpets, etc.

08:57:54 Jul 06 '00

1547

165

421386

5087134

08:59 - ROPOS

R545-030

08:59:34 Jul 06 '00

1547

151

421381

5087126

0900 - We can't find the rope to this trap so we're going to just pick it up.

09:00:24 Jul 06 '00

1547

147

421381

5087126

09:01 - bactrap (?) at ROPOS

R545-031

09:00:44 Jul 06 '00

1547

148

421381

5087126

0901 - So I've decided that this isn't actually a trap, but we're putting it in the biobox anyway.

09:01:14 Jul 06 '00

1547

147

421381

5087126

0902 - ROPOS Vent recovering bacterial trap #28 or a chunk of basalt with worms, limpets, anemeones on it. Into the starboard side of the biobox (BIO, RK subsamples). ROPOS Vent x=421386, y=5087134.

R545-BT-0005

Moyer

Tunnicliffe/ J Chadwick

09:02:24 Jul 06 '00

1547

130

421381

5087126

We've seen white crabs that we don't normally see.

09:05:16 Jul 06 '00

1548

191

421381

5087126

0905 - We're surveying ROPOS to find a place to put an MTR.

09:05:28 Jul 06 '00

1547

1

421387

5087122

0932 - We are no longer going to search for the missing traps at Phoenix- they have been assimilated into the structure.

09:05:46 Jul 06 '00

1548

190

421381

5087126

09:04 - ROPOS

R545-032

09:05:56 Jul 06 '00

1548

162

421381

5087126

09:06 - worms at ROPOS

R545-033

09:06:56 Jul 06 '00

1548

164

421381

5087126

0907 - We see lots of anemones, worms, limpets, diffuse flow, etc. Also looking for an area to slurp.

09:08:36 Jul 06 '00

1547

168

421386

5087134

0909 - We're looking at worms, crabs, etc. Galatheids are the name of the crab we're seeing that we haven't seen there before. They are white and furry- very strange looking.

09:08:36 Jul 06 '00

1547

168

421386

5087134

0909 - worms at ROPOS

R545-034

09:08:56 Jul 06 '00

1548

168

421386

5087134

0909 - galatheids at ROPOS

R545-035

09:10:46 Jul 06 '00

1548

168

421386

5087134

0910 - We're looking at a furry blob thing that looks like it might be an egg case or something of the crab? I don't know- maybe it's a tunicate? hmmm...Photo 15 of this site.

09:10:56 Jul 06 '00

1548

167

421386

5087134

0909 - unknown organism at ROPOS vent.

R545-036

09:11:56 Jul 06 '00

1548

168

421386

5087134

0912 - Furry tube worm cases

09:12:16 Jul 06 '00

1548

168

421386

5087134

0913 - We now think that furry thing is a closed up sea anemone

09:13:26 Jul 06 '00

1548

167

421386

5087134

0914 - We're spinning around to look at Phoenix for Craig's missing traps

09:16:46 Jul 06 '00

1548

136

421379

5087125

0917 - Checking out the worms, limpets, anemones, and mat at Phoenix

09:16:56 Jul 06 '00

1548

134

421379

5087125

09:17 - Phoenix

R545-037

09:19:16 Jul 06 '00

1547

67

421379

5087125

0920 - We're still checking out Phoenix

09:20:26 Jul 06 '00

1547

33

421379

5087125

Photo 16 of Phoenix

09:20:36 Jul 06 '00

1547

33

421372

5087113

09:22 - worms at Phoenix

R545-038

09:21:16 Jul 06 '00

1547

13

422005

5089383

09:22 - worms at Phoenix

R545-039

09:22:06 Jul 06 '00

1547

11

421382

5087121

0923 - We're preparing to suction mat into Jar 7

09:23:16 Jul 06 '00

1547

12

421387

5087122

0924 - Beginning to Suction sample of BACTERIAL MAT at Phoenix into Jar #7 Ended suction at 0930 z=1544. Hillock/Phoenix x=421390 y=5087130

R545-SS-J7-0006

Moyer

09:30:06 Jul 06 '00

1547

1

421387

5087122

0930 - We are done suctioning mat from Phoenix so are going back to ROPOS to deploy a bacterial trap and VEMCO.

09:30:06 Jul 06 '00

1547

1

421387

5087122

09:30 - suction sample of mat at Phoenix (bottle #7).

R545-040

09:33:58 Jul 06 '00

1547

52

421369

5087123

0935 - We are going to suction this little mound of oxide next to Phoenix.

09:34:28 Jul 06 '00

1547

49

421369

5087123

9:36 - taking a SS of Fe-oxide at Phoenix Vent.

R545-041

09:34:48 Jul 06 '00

1547

49

421369

5087123

0936 - Going to suction into Jar #1.

09:35:18 Jul 06 '00

1547

53

421369

5087123

0937 - Suction sample of IRON OXIDE (FeO) into Jar #1 It's just a little beehive mound standing by itself; looks like it is laminated. Suction ended at 0940. Hillock/Phoenix.

R545-SS-J1-0007

Fortin

09:38:18 Jul 06 '00

1548

98

421379

5087125

09:39 - suction sampler at the base of Phoenix.

R545-042

09:39:08 Jul 06 '00

1548

100

421379

5087125

09:40 - suction sampler at the base of Phoenix (bottle #J1).

R545-043

09:40:08 Jul 06 '00

1548

100

421379

5087125

09:41 - bottle #7 and 8. suction sample for #8 at the base of Phoenix.

R545-044

09:40:18 Jul 06 '00

1548

100

421379

5087125

0941 - Flush jar is full of Fe oxide stuff also

09:40:58 Jul 06 '00