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Thiede, Jörn (2006): Granulometry of surface sediments from the Panama Basin (Table 2, 3). PANGAEA,, Supplement to: Thiede, J (1977): Textural variations of calcareous coarse fractions in the Panama Basin (Eastern Equatorial Pacific Ocean). In: Andersen, N.R. & Malahoff, A. (eds.): The fate of fossil fuel CO2 in the Oceans. Plenum Publishing Corporation, New York, 673-692

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Panama Basin sediment surface coarse fractions are dominantly composed of planktonic foraminiferal remains. Textural studies of these coarse fractions by means of a large diameter settling tube system reveal characteristics grain size spectra with important modes at 2.0-2.25 phi, 2.3-2.45 phi, 2.5-2.75 phi, 3.0-33 phi, and 3.4-3.75 phi. The coarser modes consist of large Globoquadrina dutertrei and Globorotalia menardii shells, the finer ones of small planktonic foraminiferal species and of shell fragments of the larger species. Analyses of samples from the Carnegie Gap provide sufficient information such that the extent of the high energy environment close to the sill depth can be mapped; the textural analyses also seem to indicate south and northward flowing components of the bottom currents which transport particle assemblages with distinct textural characteristics. The samples bear evidence for large scale removal of calcareous fines from the crest of structural highs; the fines are then dumped on the flanks of these elevations.
Median Latitude: 0.570372 * Median Longitude: -78.552205 * South-bound Latitude: -1.668000 * West-bound Longitude: -89.680000 * North-bound Latitude: 6.500000 * East-bound Longitude: 85.850000
Date/Time Start: 1958-11-30T00:00:00 * Date/Time End: 1971-10-11T00:00:00
Minimum DEPTH, sediment/rock: 0.010 m * Maximum DEPTH, sediment/rock: 0.190 m
RC08-102 * Latitude: -1.417000 * Longitude: -86.850000 * Date/Time: 1964-04-14T00:00:00 * Elevation: -2180.0 m * Recovery: 16.67 m * Campaign: RC08 * Basis: Robert Conrad * Method/Device: Piston corer (PC)
RC11-238 * Latitude: -1.517000 * Longitude: -85.820000 * Date/Time: 1967-10-14T00:00:00 * Elevation: -2573.0 m * Recovery: 9.97 m * Campaign: RC11 (RC1112) * Basis: Robert Conrad * Method/Device: Piston corer (PC)
V15-29 * Latitude: 6.350000 * Longitude: -85.280000 * Date/Time: 1958-11-30T00:00:00 * Elevation: -1889.0 m * Recovery: 6.7 m * Campaign: V15 * Basis: Vema * Method/Device: Piston corer (PC)
#NameShort NameUnitPrincipal InvestigatorMethod/DeviceComment
1Event labelEvent
2Latitude of eventLatitude
3Longitude of eventLongitude
4Elevation of eventElevationm
5DEPTH, sediment/rockDepthmGeocode
6Depth, top/minDepth topmThiede, Jörn
7Depth, bottom/maxDepth botmThiede, Jörn
8Size fraction 1.45-1.90 phi1.45-1.90 phi%Thiede, Jörn
9Size fraction 2.0-2.25 phi2.0-2.25 phi%Thiede, Jörn
10Size fraction 2.3-2.45 phi2.3-2.45 phi%Thiede, Jörn
11Size fraction 2.5-2.75 phi2.5-2.75 phi%Thiede, Jörn
12Size fraction 3.0-3.3 phi3.0-3.3 phi%Thiede, Jörn
13Size fraction 3.4-3.75 phi3.4-3.75 phi%Thiede, Jörn
14Size fraction 3.95-4.15 phi3.95-4.15 phi%Thiede, Jörn
15Size fraction 4.25-4.55 phi4.25-4.55 phi%Thiede, Jörn
16Mode, grain sizeModephiThiede, JörnDominant Mode 1
17Mode, grain sizeModephiThiede, JörnDominant Mode 2
18Mode, heightHeight%Thiede, JörnDominant Mode 1
19Mode, heightHeight%Thiede, JörnDominant Mode 2
20Mode, widthWidthphiThiede, JörnDominant Mode 1; x0.5
21Mode, widthWidthphiThiede, JörnDominant Mode 2; x0.5
22Mode, areaArea%Thiede, JörnDominant Mode 1
23Mode, areaArea%Thiede, JörnDominant Mode 2
378 data points

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