Site summaries

Site GC-01A

Priority: High
Position: Lat 36°49'41.29"N (36°49.688), Long 7°45'19.63"W (–7°45.327) (WGS 84)
Water depth (m) 566
Target depth (mbsf): 526
Approved maximum penetration (mbsf): Pending EPSP/TAMU Safety Panel approval
Previous drilling in area: None
Comments: Jurisdiction: Portugal
Potential hazards: shallow gas, shallow-water flow, soft seabed, strong currents
Survey coverage (track map, seismic profile) • Bathymetric sketch and site location with seismic lines
position on the contourite depositional system (Fig. AF1)
• Sparker seismic reflection profile (Line FADO L-38) across the Faro-Albufeira Drift (Fig. AF2).
Objectives (see text for complete details): • Recover complete Quaternary sedimentary record.
• MOW upper core
• Related to scientific objectives (1) Influence of the Gibraltar Gateway, (2) MOW paleoceanography and global climate significance, (3) sea level changes and sediment architecture
Drilling/coring program: Double APC to refusal, then single XCB/RCB to 475 mbsf
Temperature measurements: APCT-3
Downhole logging program: Standard tools: triple combo, FMS-sonic, VSI
Anticipated lithology: Sands, silts, and clays