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Alvarez, Walter; Smit, Jan; Lowrie, William; Asaro, Frank; Margolis, Stanley V; Claeys, Philippe; Kastner, Miriam; Hildebrand, Alan R (1992): (Supplement) Iridium contents in sediments at DSDP Site 77-540. PANGAEA,, In supplement to: Alvarez, W et al. (1992): Proximal impact deposits at the Cretaceous-Tertiary boundary in the Gulf of Mexico: A restudy of DSDP Leg 77 Sites 536 and 540. Geology, 20(8), 697-700,;2

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Latitude: 23.828800 * Longitude: -84.370800
Date/Time Start: 1981-01-19T00:00:00 * Date/Time End: 1981-01-19T00:00:00
Minimum DEPTH, sediment/rock: 271.300 m * Maximum DEPTH, sediment/rock: 328.290 m
77-540 * Latitude: 23.828800 * Longitude: -84.370800 * Date/Time: 1981-01-19T00:00:00 * Elevation: -2926.0 m * Penetration: 745.5 m * Recovery: 335.1 m * Location: Gulf of Mexico * Campaign: Leg77 * Basis: Glomar Challenger * Device: Drilling/drill rig (DRILL) * Comment: 79 cores; 745.5 m cored; 0 m drilled; 44.9 % recovery
#NameShort NameUnitPrincipal InvestigatorMethodComment
1DEPTH, sediment/rockDepthmGeocode
2Depth, top/minDepth topmAlvarez, Walter
3Depth, bottom/maxDepth botmAlvarez, Walter
4Sample code/labelSample labelAlvarez, WalterODP sample designation
5IridiumIrng/kgAlvarez, WalterElement analysis, neutron activation (NAA)
6IridiumIrng/kgAlvarez, WalterCalculatederror, +/-1 sigma
7Lithologic unit/sequenceUnitAlvarez, Walter
186 data points

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