RC2606 Cruise/project information ------------------------------------------------------------------------------------- Cruise Name RC2606 NGDC number 01010252 Platform Conrad Ship Operator LDEO Chief Scientists Thomas M Brocher (WHOI) John C. Mutter (LDEO) Principal Investigators Thomas M Brocher (WHOI) John C Mutter (LDEO) Peter Buhl (LDEO) All collaborating LDEO Institutions WHOI Beginning date 05/07/85 Ending date 05/18/85 MCS start date 05/09/85 MCS end date 05/16/85 Cruise Report yes Start Port Balboa, Panama End Port Balboa, Panama Project Name A Multichannel Seismic Reflection Study of DSDP Site 504B Funding organization NSF Award # OCE84-10658 (WHOI) OCE84-11980 (LDEO) Abstract NO ------------------------------------------------------------------------------------- navigation type: GPS, Transit Satellite logged cdp navigation files in RC2606.cdpnav.tar: 485.cdpnav 486.cdpnav 487.cdpnav 488.cdpnav 489.cdpnav 490.cdpnav 491.cdpnav 492.cdpnav 493.cdpnav 494.cdpnav 495.cdpnav 496.cdpnav 497.cdpnav RC2606.all.cdpnav RC2606.line.start_end.cdpnav Position_Correlation_Method: Position is at center of cmp bin and time is the time (minute) the ship's antenna was over that position. Trace_Position: trace Source_CMP_offsets_Applied: yes Below is a listing of 1st and last cdps and lat/lon from each line cdpnav file: Latitude, Longitude, CMP, Year, Month, Day, Hour, Min, Sec, Msec, Linename, Cruisename 485.cdpnav 01.252254 -082.570581 2541 1985 05 09 14 07 01 234 485 rc2606 01.240284 -084.627020 11696 1985 05 10 13 10 29 291 485 rc2606 486.cdpnav 01.229161 -084.643484 1994 1985 05 10 13 26 33 558 486 rc2606 00.790012 -084.100282 5104 1985 05 10 21 12 57 746 486 rc2606 487.cdpnav 00.819639 -084.048752 2370 1985 05 10 21 59 21 777 487 rc2606 01.637271 -083.453100 6867 1985 05 11 10 16 19 218 487 rc2606 488.cdpnav 01.674305 -083.444573 1138 1985 05 11 10 47 13 210 488 rc2606 01.674898 -083.316393 1708 1985 05 11 12 08 52 342 488 rc2606 489.cdpnav 01.651300 -083.323501 1441 1985 05 11 12 35 35 220 489 rc2606 01.677300 -084.248221 5557 1985 05 11 23 01 22 910 489 rc2606 490.cdpnav 01.708278 -084.207508 1904 1985 05 12 00 08 47 456 490 rc2606 00.850662 -083.345908 7316 1985 05 12 14 16 10 770 490 rc2606 491.cdpnav 00.844856 -083.328025 1094 1985 05 12 14 31 25 684 491 rc2606 00.984272 -083.186927 1976 1985 05 12 16 53 45 538 491 rc2606 492.cdpnav 01.005137 -083.195986 1764 1985 05 12 17 14 49 352 492 rc2606 01.003347 -084.495889 7551 1985 05 13 08 00 10 733 492 rc2606 493.cdpnav 01.227500 -084.515516 2158 1985 05 13 11 09 30 900 493 rc2606 01.216800 -082.869244 9486 1985 05 14 06 00 05 434 493 rc2606 494.cdpnav 01.235146 -082.863670 1855 1985 05 14 06 20 06 197 494 rc2606 01.430792 -083.162584 3445 1985 05 14 10 43 31 045 494 rc2606 495.cdpnav 01.430103 -083.201281 1787 1985 05 14 11 10 41 083 495 rc2606 01.437377 -084.141644 5973 1985 05 14 22 10 59 458 495 rc2606 496.cdpnav 01.428764 -084.158798 1318 1985 05 14 22 57 28 366 496 rc2606 00.849700 -083.717600 4559 1985 05 15 06 51 01 297 496 rc2606 497.cdpnav 00.853752 -083.698686 1581 1985 05 15 07 08 04 568 497 rc2606 03.558886 -083.790274 13632 1985 05 16 18 01 08 809 497 rc2606 ------------------------------------------------------------------------------------- field data shot gathers at LDEO processed data files: Below is a list of SEG-Y stack files including header info from first and last traces each file. Fields are as follows: LINE CDP SHOT DATE TIME REC_DELAY SAMPLES SAMP_INT NEXT FILE /home/mcspad/seismic/processed/RC2606/485.v3.mig.stk.2485_11696 485 2485 0 05/09/1985 129/14:06:52.000 3496 625 8000 00/00/ 0 485 11696 0 05/10/1985 130/13:11:31.000 3000 625 8000 00/00/ 0 NEXT FILE /home/mcspad/seismic/processed/RC2606/485.v3.stk.2485_11696 485 2485 0 05/09/1985 129/14:06:52.000 3500 1625 4000 00/00/ 0 485 11696 0 05/10/1985 130/13:11:31.000 3500 1625 4000 00/00/ 0 NEXT FILE /home/mcspad/seismic/processed/RC2606/486.v3.stk.1951_5104 486 1951 1951 05/10/1985 130/13:28:32.000 0 3068 4000 00/00/ 0 486 5104 5104 05/10/1985 130/21:14:12.000 0 3068 4000 00/00/ 0 NEXT FILE /home/mcspad/seismic/processed/RC2606/487.v3.stk.2314_6867 487 2314 2314 05/10/1985 130/21:59:12.000 0 3068 4000 00/00/ 0 487 6867 6867 05/11/1985 131/10:18:11.000 0 3068 4000 00/00/ 0 NEXT FILE /home/mcspad/seismic/processed/RC2606/488.v3.stk.1083_1708 488 1083 1083 05/11/1985 131/10:47:12.000 0 3068 4000 00/00/ 0 488 1708 1708 05/11/1985 131/12:10:12.000 0 3068 4000 00/00/ 0 NEXT FILE /home/mcspad/seismic/processed/RC2606/489.v3.stk.1386_5557 489 1386 1386 05/11/1985 131/12:35:31.000 0 3068 4000 00/00/ 0 489 5557 5557 05/11/1985 131/23:02:42.000 0 3068 4000 00/00/ 0 NEXT FILE /home/mcspad/seismic/processed/RC2606/490.v3.stk.1848_7316 490 1848 1848 05/12/1985 132/00:08:41.000 0 3068 4000 00/00/ 0 490 7316 7316 05/12/1985 132/14:17:41.000 0 3072 4000 00/00/ 0 NEXT FILE /home/mcspad/seismic/processed/RC2606/491.v3.stk.1039_1976 491 1039 1039 05/12/1985 132/14:31:21.000 0 3068 4000 00/00/ 0 491 1976 1976 05/12/1985 132/16:55:02.000 0 3072 4000 00/00/ 0 NEXT FILE /home/mcspad/seismic/processed/RC2606/492.v3.stk.1708_7551 492 1708 1708 05/12/1985 132/17:14:41.000 0 3068 4000 00/00/ 0 492 7551 7551 05/13/1985 133/08:01:21.000 0 3072 4000 00/00/ 0 NEXT FILE /home/mcspad/seismic/processed/RC2606/493.v3.mig.stk.2102_8483 493 2102 0 05/13/1985 133/11:09:22.000 3000 625 8000 00/00/ 0 493 8483 0 05/14/1985 134/03:23:01.000 4000 625 8000 00/00/ 0 NEXT FILE /home/mcspad/seismic/processed/RC2606/493.v3.stk.2102_9486 493 2102 0 05/13/1985 133/11:09:22.000 3500 1625 4000 00/00/ 0 493 9486 0 05/14/1985 134/06:01:21.000 3500 1625 4000 00/00/ 0 NEXT FILE /home/mcspad/seismic/processed/RC2606/494.v3.stk.1800_3445 494 1800 1800 05/14/1985 134/06:20:01.000 0 3072 4000 00/00/ 0 494 3445 3445 05/14/1985 134/10:45:01.000 0 3068 4000 00/00/ 0 NEXT FILE /home/mcspad/seismic/processed/RC2606/495.v3.stk.1732_5973 495 1732 1732 05/14/1985 134/11:10:41.000 0 3068 4000 00/00/ 0 495 5973 5973 05/14/1985 134/22:12:21.000 0 3068 4000 00/00/ 0 NEXT FILE /home/mcspad/seismic/processed/RC2606/496.v3.mig.stk.1262_4559 496 1262 0 05/14/1985 134/22:57:21.000 4000 625 8000 00/00/ 0 496 4559 0 05/15/1985 135/06:52:21.000 4000 625 8000 00/00/ 0 NEXT FILE /home/mcspad/seismic/processed/RC2606/496.v3.stk.1262_4559 496 1262 0 05/14/1985 134/22:57:21.000 4000 1500 4000 00/00/ 0 496 4559 0 05/15/1985 135/06:52:21.000 4000 1500 4000 00/00/ 0 NEXT FILE /home/mcspad/seismic/processed/RC2606/497.v2.mig.stk.1610_13632 497 1610 0 05/15/1985 135/07:14:01.000 4000 625 8000 00/00/ 0 497 13632 0 05/16/1985 136/18:02:21.000 3000 625 8000 00/00/ 0 NEXT FILE /home/mcspad/seismic/processed/RC2606/497.v3.stk.1530_13632 497 1530 1530 05/15/1985 135/07:08:41.000 0 3068 4000 00/00/ 0 497 13632 13632 05/16/1985 136/18:02:21.000 0 3068 4000 00/00/ 0 ------------------------------------------------------------------------------------- processing system LDEO MCS Inhouse processing normal moveout and stack cdp spacing 25 meters ------------------------------------------------------------------------------------- Seismic Acquisition Parameters ********************************************************** Number of Channels 48 Group Spacing 50 meters Source to Near Channel 300 meters Antenna to Source 48 meters Near Channel Number 48 Cable Depth 25-40 ft Acquisition System Name DFSIV Source Volume 1864 cu. in. uniform array lines 1785 cu. in. tapered array Source Pressure 1800 psi Source Type Bolt 1500C Source Number 4 Source Depth ? meters Shot Control Time (every 20 seconds for approximately 50 meters) Acquisition Sample Interval 4000 microseconds Record Length 12 Compass No Active Tail Buoy No Recording Delay ? Acquisition System Analog 2 or more ships No ********************************************************** ********************************************************** **********************************************************