Not logged in
PANGAEA.
Data Publisher for Earth & Environmental Science

Boyce, Robert E (1984): (Table 3) Electrical resistivity, formation factors, and sound velocity at DSDP Hole 75-530A [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.810318, In supplement to: Boyce, RE (1984): Deep Sea Drilling Project Drill Sites 530 and 532 in the Angola Basin and on the Walvis Ridge: Interpretation of induction log data, sonic log data, and laboratory sound velocity, density, porosity-derived reflection coefficients, and vane shear strength. In: Hay, WW; Sibuet, J-C; et al. (eds.), Initial Reports of the Deep Sea Drilling Project (U.S. Govt. Printing Office), 75, 1137-1177, https://doi.org/10.2973/dsdp.proc.75.143.1984

Always quote citation above when using data! You can download the citation in several formats below.

RIS CitationBibTeX CitationShow MapGoogle Earth

Project(s):
Coverage:
Latitude: -19.187700 * Longitude: 9.385800
Date/Time Start: 1980-07-29T00:00:00 * Date/Time End: 1980-07-29T00:00:00
Minimum DEPTH, sediment/rock: 629.0 m * Maximum DEPTH, sediment/rock: 879.0 m
Event(s):
75-530A * Latitude: -19.187700 * Longitude: 9.385800 * Date/Time: 1980-07-29T00:00:00 * Elevation: -4629.0 m * Penetration: 1121 m * Recovery: 617.5 m * Location: South Atlantic/RIDGE * Campaign: Leg75 * Basis: Glomar Challenger * Method/Device: Drilling/drill rig (DRILL) * Comment: 107 cores; 986.5 m cored; 9.5 m drilled; 62.6 % recovery
Parameter(s):
#NameShort NameUnitPrincipal InvestigatorMethod/DeviceComment
Depth, relativeDepth relmBoyce, Robert EFrom rig floor
DEPTH, sediment/rockDepth sedmGeocode – mbsf
Elevation of eventElevationm
Hydrostatic pressureSigma HkPaBoyce, Robert Esee reference(s)Hydrostatic pressure = depth below sea level x 1.035 g/cm**3; Original unit kg/cm**2, multiplied by 98.0665
SalinitySalBoyce, Robert ESalinity of 34.1 is extrapolated from pore-water samples
Temperature, technicalT tech°CBoyce, Robert ETemperature assumes a 40 deg C/1000 m temperature gradient and a seafloor temperature of 2.9 deg C
Resistivity, electricalResist electrOhm mBoyce, Robert ECalculated, see reference(s)In situ - Pore water
ConductivityCondmS/cmBoyce, Robert EIn situ - Pore water. Original unit m-mho/m, multiplied by 0.01
Hole DiameterHDinBoyce, Robert EBorehole
10 DiameterØmmBoyce, Robert EBorehole
11 Resistivity, electricalResist electrOhm mBoyce, Robert ECalculated, see reference(s)True formation (hole and bed thickness corrected)
12 ConductivityCondmS/cmBoyce, Robert ETrue formation (hole and bed thickness corrected); Original unit m-mho/m, multiplied by 0.01
13 Natural gamma rayNGRAPI unitsBoyce, Robert EUncorrected (sonic)
14 --Boyce, Robert EHamilton frame velocimeter, Boyce (1976)Velocity, in µs/ft
15 Sonic velocitySonic velkm/sBoyce, Robert EHamilton frame velocimeter, Boyce (1976)
16 PorosityPoros% volBoyce, Robert EGamma-ray attenuation porosity evaluator (GRAPE)Derived from Vp
17 Size fraction < 0.002 mm, clay<2 µm%Boyce, Robert EGR (sonic) has a range of 2-23 API units; therefore estimate of precentage clay =GR-2/33-2*100
18 Formation factorFBoyce, Robert ECalculated, see reference(s)
19 PorosityPoros% volBoyce, Robert Esee reference(s)See reference
20 Lithology/composition/faciesLithologyBoyce, Robert E
Size:
270 data points

Data

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


Depth rel [m]
(From rig floor)

Depth sed [m]
(mbsf)

Elevation [m]

Sigma H [kPa]
(Hydrostatic pressure = depth ...)

Sal
(Salinity of 34.1 is extrapola...)

T tech [°C]
(Temperature assumes a 40 deg ...)

Resist electr [Ohm m]
(In situ - Pore water, Calcula...)

Cond [mS/cm]
(In situ - Pore water. Origina...)

HD [in]
(Borehole)
10 
Ø [mm]
(Borehole)
11 
Resist electr [Ohm m]
(True formation (hole and bed ...)
12 
Cond [mS/cm]
(True formation (hole and bed ...)
13 
NGR [API units]
(Uncorrected (sonic))
14 
-
(Velocity, in µs/ft, Hamilton ...)
15 
Sonic vel [km/s]
(Hamilton frame velocimeter, B...)
16 
Poros [% vol]
(Derived from Vp, Gamma-ray at...)
17 
<2 µm [%]
(GR (sonic) has a range of 2-2...)
18 
F
(Calculated, see reference(s))
19 
Poros [% vol]
(See reference, see reference(s))
20 
Lithology
5274.0629.0-462953426.6334.128.10.176256.7711.30287.0?2.005.003159.91.90650.53.211.3529.7Mudstone with limestone interbeds
5282.0637.0-462953514.8934.128.40.170758.5911.20284.02.404.178139.52.18539.019.314.0626.7Mudstone with limestone interbeds
5294.5649.5-462953632.5734.128.90.173557.6111.20284.03.053.28898.63.09220.219.317.5823.9Mudstone with limestone interbeds
5307.5662.5-462953769.8634.129.40.172058.1311.10282.01.526.568176.61.72661.019.38.8433.6Mudstone with limestone interbeds
5341.0696.0-462954113.0934.130.70.168159.4911.30287.01.546.5118187.51.62568.351.69.1633.0Mudstone and marlstone
5356.0711.0-462954260.1934.131.30.166460.0911.50292.01.616.2015162.61.87552.141.99.6832.1Mudstone and marlstone
5360.0715.0-462954299.4234.131.50.165960.2911.30287.01.377.3715184.01.65765.941.98.2634.8Mudstone, marlstone and sandstone
5366.5721.5-462954368.0734.131.70.165360.5011.40290.01.715.8417154.91.96847.548.410.3431.1Mudstone, marlstone and sandstone
5372.0727.0-462954426.9134.132.00.164560.8011.20284.02.504.0012117.82.58728.332.315.2025.6Mudstone, marlstone, sandstone and limestone
5382.5737.5-462954534.7834.132.40.163461.2011.25286.01.297.7318177.91.71361.951.67.8935.6No recovery (probably as above)
5447.5802.5-462955191.8334.135.00.156663.8611.00279.02.903.4516126.72.40632.545.218.5223.2Siliclastic sandstone and mudstone
5454.5809.5-462955260.4734.135.30.155864.1711.25286.12.613.8310142.72.13640.725.816.7524.4Siliclastic sandstone
5467.0822.0-462955387.9634.135.80.154664.6811.15283.01.735.787151.02.01945.316.111.1929.9Siliclastic sandstone
5523.0878.0-462955956.7434.138.00.149366.9811.30287.0?1.705.8814136.32.23637.338.711.3929.6Claystone
5524.0879.0-462955966.5534.138.10.149167.0810.80274.0?1.407.1414165.11.84653.738.79.3932.6Claystone