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Kawahata, Hodaka; Kusakabe, Minoru; Kikuchi, Yoshiko (1987): (Table 2) Sr, O and D isotope ratios and water content of altered basement rocks and veins of DSDP Hole 504B. PANGAEA,, In supplement to: Kawahata, H et al. (1987): Strontium, oxygen, and hydrogen isotope geochemistry of hydrothermally altered and weathered rocks in DSDP Hole 504B, Costa Rica Rift. Earth and Planetary Science Letters, 85(4), 343-355,

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Median Latitude: 1.227133 * Median Longitude: -83.730133 * South-bound Latitude: 1.227000 * West-bound Longitude: -83.730200 * North-bound Latitude: 1.227200 * East-bound Longitude: -83.730000
Date/Time Start: 1979-10-07T00:00:00 * Date/Time End: 1982-01-02T00:00:00
Minimum DEPTH, sediment/rock: 275.6 m * Maximum DEPTH, sediment/rock: 1222.6 m
69-504B * Latitude: 1.227200 * Longitude: -83.730200 * Date/Time: 1979-10-07T00:00:00 * Elevation: -3460.0 m * Penetration: 489 m * Recovery: 262 m * Campaign: Leg69 * Basis: Glomar Challenger * Device: Drilling/drill rig (DRILL)
70-504B * Latitude: 1.227000 * Longitude: -83.730000 * Date/Time: 1979-12-04T00:00:00 * Elevation: -3460.0 m * Penetration: 836.1 m * Recovery: 91.6 m * Campaign: Leg70 * Basis: Glomar Challenger * Device: Drilling/drill rig (DRILL) * Comment: 40 cores; 328.6 m cored; 18.5 m drilled; 27.9 % recovery
83-504B * Latitude: 1.227200 * Longitude: -83.730200 * Date/Time Start: 1981-11-22T00:00:00 * Date/Time End: 1982-01-02T00:00:00 * Elevation: -3460.0 m * Penetration: 1350 m * Recovery: 107.7 m * Campaign: Leg83 * Basis: Glomar Challenger * Device: Drilling/drill rig (DRILL) * Comment: Leg 83 of DSDP was devoted entirely to coring and experiments in Hole 504B, the deepest borehole to date into the oceanic crust. Hole 504B now extends over a kilometer into basement, nearly twice as far as any other DSDP hole, and it is the only DSDP hole to have clearly penetrated into the intrusive sheeted dikes that underlie the extrusive pillow lavas of the upper oceanic crust. At Hole 504B, Leg 83 continued an ongoing DSDP effort that began during Legs 68, 69, and 70 in 1979, and also included part of Leg 92 in 1983. 71 cores; 514 m cored; 0 m drilled; 21 % recovery
#NameShort NameUnitPrincipal InvestigatorMethodComment
1Event labelEvent
2DEPTH, sediment/rockDepthmGeocode
3Sample code/labelSample labelKawahata, HodakaODP sample designation
4Sample commentSample commentKawahata, Hodaka
5Strontium 87/Strontium 86 ratio87Sr/86SrKawahata, HodakaIon-exchange-chromatographywhole rock composition
6Strontium 87/Strontium 86 ratio87Sr/86SrKawahata, Hodakaaltered portion of basalts
7StrontiumSrmg/kgKawahata, HodakaEmission spectrometrywhole rock composition
8delta 18Od18Oper milKawahata, HodakaIsotope ratio mass spectrometrySMOW, whole rock composition
9delta DeuteriumdDper mil SMOWKawahata, HodakaIsotope ratio mass spectrometrywhole rock composition
10Water in rockH2O%Kawahata, Hodakawhole rock composition
11CommentCommentKawahata, Hodakatechnical remark for water in rock
12Lithology/composition/faciesLithologyKawahata, Hodaka
239 data points

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