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Wallick, Brian P; Christensen, Nikolas I; Ballotti, Dean M (1992): (Table 1) Physical properties of ODP Site 129-801 [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.779271, Supplement to: Wallick, BP et al. (1992): High-pressure velocity measurements of Jurassic Basalt, Leg 129. In: Larson, RL; Lancelot, Y; et al. (eds.), Proceedings of the Ocean Drilling Program, Scientific Results, College Station, TX (Ocean Drilling Program), 129, 501-506, https://doi.org/10.2973/odp.proc.sr.129.140.1992

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Abstract:
Compressional wave velocities and densities were measured for 6 basalt samples from ODP Hole 801B and 16 samples from ODP Hole 801C, a site that represents the first drilling of Jurassic-age crustal rocks in the Pacific basin. Incremental measurements, taken to a total pressure of 200 MPa, show a systematic decrease in velocity with increasing porosity and a related increase with increasing wet-bulk density. A comparison of the plot of porosity vs. compressional wave velocity with the theoretical equation from Wyllie et al. (1958) suggests this equation is inappropriate for oceanic basalts because of mineral alteration in high porosity samples. Also of interest is the dramatic change in velocity across a hydrothermal boundary. Basalts below this hydrothermal layer have a mean velocity of 6.05 km/s at 60 MPa while those above show a mean velocity of 4.55 km/s at 60 MPa. The low velocity values of the basalts above the hydrothermal deposit may be attributed to the higher porosity and composition observed in these rocks; the higher porosity is possibly the result of increased exposure to circulating seawater.
Project(s):
Ocean Drilling Program (ODP)
Coverage:
Median Latitude: 18.642150 * Median Longitude: 156.359750 * South-bound Latitude: 18.642000 * West-bound Longitude: 156.359700 * North-bound Latitude: 18.642300 * East-bound Longitude: 156.359800
Date/Time Start: 1989-12-09T17:00:00 * Date/Time End: 1990-01-16T07:15:00
Minimum DEPTH, sediment/rock: 466.50 m * Maximum DEPTH, sediment/rock: 605.70 m
Event(s):
129-801B  * Latitude: 18.642000 * Longitude: 156.359700 * Date/Time Start: 1989-12-09T17:00:00 * Date/Time End: 1989-12-17T01:15:00 * Elevation: -5685.0 m * Penetration: 511.2 m * Recovery: 59.17 m * Location: North Pacific Ocean * Campaign: Leg129 * Basis: Joides Resolution * Method/Device: Drilling/drill rig (DRILL) * Comment: 44 cores; 317.2 m cored; 0 m drilled; 18.7 % recovery
129-801C  * Latitude: 18.642300 * Longitude: 156.359800 * Date/Time Start: 1990-01-06T11:48:00 * Date/Time End: 1990-01-16T07:15:00 * Elevation: -5685.0 m * Penetration: 594.3 m * Recovery: 60.6 m * Location: North Pacific Ocean * Campaign: Leg129 * Basis: Joides Resolution * Method/Device: Drilling/drill rig (DRILL) * Comment: 12 cores; 100.6 m cored; 0 m drilled; 60.2 % recovery
Parameter(s):
#NameShort NameUnitPrincipal InvestigatorMethod/DeviceComment
1 Event labelEvent
2 Sample code/labelSample labelWallick, Brian PDSDP/ODP/IODP sample designation
3 DEPTH, sediment/rockDepth sedmGeocode – mbsf
4 Depth, relativeDepth relmWallick, Brian Ptotal depth
5 Density, wet bulkWBDg/cm3Wallick, Brian P
6 PorosityPoros% volWallick, Brian P
7 Velocity, compressional waveVpm/sWallick, Brian P10 MPa
8 Velocity, compressional waveVpm/sWallick, Brian P20 MPa
9 Velocity, compressional waveVpm/sWallick, Brian P40 MPa
10 Velocity, compressional waveVpm/sWallick, Brian P60 MPa
11 Velocity, compressional waveVpm/sWallick, Brian P80 MPa
12 Velocity, compressional waveVpm/sWallick, Brian P100 MPa
13 Velocity, compressional waveVpm/sWallick, Brian P200 MPa
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
242 data points

Data

Download dataset as tab-delimited text — use the following character encoding:

1 
Event		2 
Sample label		3 
Depth sed [m]
(mbsf)		4 
Depth rel [m]
(total depth)		5 
WBD [g/cm3]		6 
Poros [% vol]		7 
Vp [m/s]
(10 MPa)		8 
Vp [m/s]
(20 MPa)		9 
Vp [m/s]
(40 MPa)		10 
Vp [m/s]
(60 MPa)		11 
Vp [m/s]
(80 MPa)		12 
Vp [m/s]
(100 MPa)		13 
Vp [m/s]
(200 MPa)
129-801B 129-801B-37R-1,40466.506140.302.3409.923530356035903620364036703750
129-801B129-801B-40R-1,27483.276157.072.4687.103940400040604100413041504250
129-801B129-801B-41R-1,63488.236162.032.6443.764950501050605090512051405230
129-801B129-801B-43R-1,37502.076175.872.6683.255190523052805320534053605430
129-801B129-801B-43R-1,81502.516176.312.6725.264420451046204690475047904940
129-801B129-801B-44R-2,60513.306187.102.6304.534300441045104580462046604770
129-801C 128-801C-1R-3,96514.966188.962.5206.874140419042504280431043404430
129-801C128-801C-2R-1,19520.396194.392.5285.314240429043204350438044004480
129-801C128-801C-2R-3,95524.156198.152.6603.084700478048704920496049805070
129-801C128-801C-5R-4,125554.256228.252.8070.066080610061306140615061606180
129-801C128-801C-5R-4,138554.386228.382.8540.006210624062706280629063006330
129-801C128-801C-7R-2,2569.026243.022.7320.045060510051305150516051705210
129-801C128-801C-7R-4,102573.026247.022.8990.105990603060906120615061706230
129-801C128-801C-8R-2,67579.076253.072.8480.055640570057705810584058605910
129-801C128-801C-9R-2,51582.616256.612.9380.026090613061806200622062406280
129-801C128-801C-9R-3,70584.306258.302.9070.065890595060106050607060906150
129-801C128-801C-9R-4,21585.316259.312.8860.135770586059405980601060206060
129-801C128-801C-10R-1,9585.996259.992.9560.066130618062306250627062806320
129-801C128-801C-10R-3,113590.036264.032.8790.056120615061706190620062106240
129-801C128-801C-10R-5,39592.296266.292.9480.076020610061906240627062906360
129-801C128-801C-11R-2,30597.106271.102.9230.025980603061006130616061806220
129-801C128-801C-12R-3,40605.706279.702.9630.046090612061506180619062006230