14 05 Sub in the water. Checked DLK-sub3 system, working properly. Checked Sipper electrode #1, flow cell electrode #2, 2 macrowand electrodes #3 and #4, all working properly.

15 48 GMT x y heading 4674, 78103, 294: Reached bottom close to M vent.

15 54 Located elevator.

16 03 Leaving direction M vent.

16 24 4417, 78900, 247: at M vent.

16 34 Start temperature survey around chimneys with HT probe.

16 38 5°C

16 40 27°C

16 43 4412, 78897, 204: 20°C

16 48 7°C

16 51 19°C

16 58 4403, 78993, 121, 59°C (no space to place elevator).

16 59 29 ­ 117°C (no space to place elevator).

17 17 4412, 78897, 441: repositoned elevator.

17 19 12°C, location 1 in drawing around outlet.

17 20 25°C, location 2 in drawing around outlet.

17 22 12°C, location 3 in drawing around outlet.

17 28 Taking water sample.

17 29 Leaving site heading direction Tica.

17 42 Checked electrode # 1 and #4 during transit to Tica.

18 04 4548, 78218, 198" arrived at Tica chimney.

18 09 Location 1 in drawing 10 ­ 14°C. Geochem scans with electrode #1, #2 for Sipper #1. Stills and 3-chip camera.

18 29 Sipper sample #1.

18 32 Location 2 in drawing 44°C. Geochem scans with electrode #1, #2 for Sipper #2. Stills and 3-chip camera.

18 38 Sipper sample #2.

18 39 Location 3 in drawing. 31–40°C. Geochem scans with electrode #1, #2 for Sipper #3. Stills and 3- chip camera.

18 46 Sipper sample #3.

18 49 Location 4 in drawing. 19­20°C. Geochem scans with electrode #1, #2 for Sipper #4. Stills and 3- chip camera.

18 54 Sipper sample #4.

18 58 Location 5 in drawing. 62 ­ 86°C. Geochem scans with electrode #1, #2 for Sipper #5. Hand-held video camera.

18 50 Good video.

19 01 Sipper sample #5.

19 03 Location 6 in drawing. 34–45°C. Geochem scans with electrode #1, #2 for Sipper #6. 3-chip camera, hand-held video camera.

19 07 Sipper sample #6.

19 09 Location 7 in drawing. 26–36°C. Geochem scans with electrode #1, #2 for Sipper #7. Stills and hand-held video.

19 13 Sipper sample #7.

19 16 Location 8 in drawing. 39–50°C. Geochem scans with electrode #1, #2 for Sipper #8. Stills.

19 20 Sipper sample #8.

19 23 Slurped Alvinella, did not work.

19 34 Grabbed tubes with arm; put in ARTIE chamber #1.

19 38 Pumped RNA Later into ARTIE chamber #1.

19 39 Grabbed tubes with arm; put in ARTIE chamber #2.

19 46 Pumped RNA Later into ARTIE chamber #2.

19 47 Partly cleared area, partly probe underneath tubes 26–28°C. Geochem scans with electrode #1, #2 for Sipper #9. Stills.

19 52 Sipper sample #9.

19 56 Partly cleared area, partly probe underneath tubes 15–23°C. Geochem scans with electrode #1, #2 for Sipper #10.

19 59 Sipper sample #10.

20 05 Video Riftia — nice

20 06 4556, 78225, 224: Deployment of Fries #51, #52 in Riftia clump, surrounded by Riftia/Mussel aggregations.

20 14 4550, 78228, 295: Collection basalt, approx. 1 m away from Riftia; put in small biobox.

20 19 4546, 78235, 200: Collection basalt, approx. 10 m away from Riftia; put in biobox rear end.

20 25 4555, 78234,153: Collection of approx. 20 mussels; put in biobox middle container.

20 37 456, 78214, 166: Small aggregation of Riftia and mussels. Geochem dcan taken from top of plume. Stills taken.

20 40 Placed 2 Riftia in ARTIE chamber #3.

20 51 Pumped RNA Later; did not see any fluid coming out.

20 54 Left