RC2405 Cruise/project information ------------------------------------------------------------------------------------- Cruise Name RC2405 NGDC number 01010230 Platform Conrad Ship Operator LDEO Chief Scientists Gregory Mountain Principal Investigators Dennis Hayes, Phil Rabinowitz All collaborating LDEO Institutions Beginning date 04/27/83 Ending date 05/15/83 MCS start date 04/30/93 MCS end date 05/14/93 Cruise Report yes Start Port Las Palmas, Canary Islands End Port Funchal, Madeira Project Name Geophysical Investigations of the Moroccan Margin Funding organization NSF/JOI Award # OCE82-15430 Abstract NO ------------------------------------------------------------------------------------- navigation type: GPS, Transit Satellite logged cdp navigation files in RC2405.cdpnav.tar: all.rc2405 nav364a nav364b nav365 nav366 nav367 nav368 nav369 nav370 nav371 nav372 nav373 nav374 nav375 nav376 nav377 nav378 nav379 processing normal moveout and stack field data cdp 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 /data/mstore/ldeo/users/mcsdata/rc2405/364a.stk.v.1 364 1114 1114 04/30/1983 120/17:26:08.000 5000 1009 8000 364 8402 8402 05/02/1983 122/08:51:44.000 2000 1023 8000 NEXT FILE /data/mstore/ldeo/users/mcsdata/rc2405/364b.stk.v.1 364 8492 8492 05/02/1983 122/18:40:04.000 2000 1023 8000 364 14492 14492 05/04/1983 124/01:02:43.000 0 1024 8000 NEXT FILE /data/mstore/ldeo/users/mcsdata/rc2405/365.stk.v.2 365 970 970 05/04/1983 124/03:40:02.000 0 1024 8000 365 3449 2665 05/04/1983 124/16:48:02.000 0 1024 8000 NEXT FILE /data/mstore/ldeo/users/mcsdata/rc2405/366a.stk.v.1 366 1058 1058 05/04/1983 124/18:11:57.000 0 1024 8000 366 8960 7597 05/06/1983 126/11:22:42.000 0 1500 8000 NEXT FILE /data/mstore/ldeo/users/mcsdata/rc2405/366a.stk.v.2s 366 1058 1058 05/04/1983 124/18:11:57.000 0 1024 8000 366 1639 1639 05/04/1983 124/21:00:17.000 0 1024 8000 NEXT FILE /data/mstore/ldeo/users/mcsdata/rc2405/366b.stk.v.1 366 8790 8790 05/06/1983 126/10:26:21.000 4000 1021 8000 366 11399 11399 05/07/1983 127/07:20:01.000 4000 1023 8000 NEXT FILE /data/mstore/ldeo/users/mcsdata/rc2405/367.stk.v.1 367 950 950 05/07/1983 127/09:01:02.000 4000 1024 8000 367 2766 2766 05/07/1983 127/17:53:21.000 4000 1024 8000 NEXT FILE /data/mstore/ldeo/users/mcsdata/rc2405/368.stk.v.1 368 950 950 05/07/1983 127/19:17:01.000 4000 1024 8000 368 11342 11342 05/10/1983 130/04:14:57.000 0 1022 8000 NEXT FILE /data/mstore/ldeo/users/mcsdata/rc2405/371.stk.v.1 371 935 935 05/10/1983 130/14:24:37.000 0 1024 8000 371 2399 2399 05/10/1983 130/22:00:39.000 2000 1022 8000 NEXT FILE /data/mstore/ldeo/users/mcsdata/rc2405/371.stk.v.2 371 2400 2400 05/10/1983 130/22:01:00.000 2000 1022 8000 371 4034 4034 05/11/1983 131/06:57:01.000 4000 1023 8000 NEXT FILE /data/mstore/ldeo/users/mcsdata/rc2405/372.stk.v.1 372 984 984 05/11/1983 131/07:58:00.000 4000 1023 8000 372 1331 1331 05/11/1983 131/09:55:00.000 4000 1023 8000 NEXT FILE /data/mstore/ldeo/users/mcsdata/rc2405/373.stk.v.1 373 1034 1034 05/11/1983 131/11:17:00.000 4000 1023 8000 373 1692 1692 05/11/1983 131/14:35:00.000 4000 1024 8000 NEXT FILE /data/mstore/ldeo/users/mcsdata/rc2405/374.stk.v.1 374 944 944 05/11/1983 131/15:57:02.000 4000 1024 8000 374 1578 1578 05/11/1983 131/19:17:42.000 4000 1022 8000 NEXT FILE /data/mstore/ldeo/users/mcsdata/rc2405/375.stk.v.1 375 943 943 05/11/1983 131/20:30:01.000 4000 1021 8000 375 1877 1877 05/12/1983 132/01:14:01.000 4000 1021 8000 NEXT FILE /data/mstore/ldeo/users/mcsdata/rc2405/376.stk.v.1 376 962 962 05/12/1983 132/02:37:00.000 4000 1022 8000 376 1315 1315 05/12/1983 132/04:35:00.000 4000 1022 8000 NEXT FILE /data/mstore/ldeo/users/mcsdata/rc2405/377.stk.v.1 377 896 896 05/12/1983 132/05:58:00.000 4000 1021 8000 377 8065 8065 05/13/1983 133/20:50:00.000 4000 1023 8000 NEXT FILE /data/mstore/ldeo/users/mcsdata/rc2405/378.stk.v.1 378 963 963 05/13/1983 133/21:40:02.000 4000 1023 8000 378 1634 1634 05/14/1983 134/00:58:21.000 4000 1023 8000 NEXT FILE /data/mstore/ldeo/users/mcsdata/rc2405/379.stk.v.0 379 925 925 05/14/1983 134/01:38:01.000 4000 1022 8000 379 3385 2494 05/14/1983 134/14:49:42.000 4000 1023 8000 ------------------------------------------------------------------------------------- processing system LDEO MCS Inhouse processing normal moveout and stack cdp spacing 50 meters ------------------------------------------------------------------------------------- Seismic Acquisition Parameters ********************************************************** Number of Channels 48 Group Spacing 50 meters Source to Near Channel 277 meters Antenna to Source 40 meters Near Channel Number 48 Cable Depth 12 meters Acquisition System Name DSFIV Source Volume 1864 cu. in. Source Pressure 1600-1800 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 8 Compass No Active Tail Buoy No Recording Delay YES Acquisition System Analog 2 or more ships No ********************************************************** ********************************************************** **********************************************************