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Bellanca, Adriana; Neri, Rodolfo; Sprovieri, Mario (2000): Major and trace element concentrations of sediment core CRP-2/2A (Table 1,2). PANGAEA,, Supplement to: Bellanca, A et al. (2000): Bulk geochemistry of the sand fractions from CRP-2/2A, Victoria Land Basin, Antarctica. Terra Antartica, 7(4), 553-560, hdl:10013/epic.28252.d001

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Bulk chemistry (major and trace elements) of sand-sized samples from the CRP-2/2A drillhole provides evidence for a multicomponent provenance with changes in the component proportions throughout the sedimentary succession. Geochemical data evaluated in terms of element association and distribution and by means of cluster analysis reveal a provenance dominated by the granitoid basement with a significant contribution of MVG debris above ~310 mbsf. Chemical fingerprints of both basic and evolved MVG materials are recognized at different depths. Below ~310 mbsf the influence of Beacon sandstones becomes more marked, but there is geochemical evidence for influxes of detritus derived from Jurassic Ferrar Dolerites and Kirkpatrick basalt lavas.
Latitude: -77.005980 * Longitude: 163.719450
Date/Time Start: 1998-10-16T07:30:00 * Date/Time End: 1998-11-25T14:20:00
Minimum DEPTH, sediment/rock: 8.50 m * Maximum DEPTH, sediment/rock: 615.65 m
CRP-2A (14.2 km at 096° true from Cape Roberts) * Latitude: -77.005980 * Longitude: 163.719450 * Date/Time Start: 1998-10-16T07:30:00 * Date/Time End: 1998-11-25T14:20:00 * Elevation: -177.9 m * Recovery: 624 m * Location: off Cape Roberts, Ross Sea, Antarctica * Campaign: CRP-2 * Basis: Sampling/drilling from ice * Method/Device: Core wireline system (CWS) * Comment: 921 m at 284° from CRP-1. Sea-ice thickness: 2.0 m (1 Oct) to 2.2 m (23 Nov). Sea riser embedded to 13.03 mbsf. Lateral ice movement: 9.87 m to east from 17 Oct to 23 Nov. HQ core to 199.31 mbsf. NQ core to 624.15 mbsf. 13.03 to 45.97 mbsf, 11.29 m (34%) partially following CRP-2. 45.07 to 624.15 mbsf, 548.67 m (95%) new hole. Deepest core-lithology: hard sandy siltstone. Deepest core-age: earliest Oligocene (ca. 33 Ma on diatoms, nannofossils and dinoflagellates)
#NameShort NameUnitPrincipal InvestigatorMethod/DeviceComment
1DEPTH, sediment/rockDepth sedmGeocode
2Silicon dioxideSiO2%Bellanca, AdrianaX-ray fluorescence (XRF)
3Titanium dioxideTiO2%Bellanca, AdrianaX-ray fluorescence (XRF)
4Aluminium oxideAl2O3%Bellanca, AdrianaX-ray fluorescence (XRF)
5Iron oxide, Fe2O3Fe2O3%Bellanca, AdrianaX-ray fluorescence (XRF)
6Manganese oxideMnO%Bellanca, AdrianaX-ray fluorescence (XRF)
7Magnesium oxideMgO%Bellanca, AdrianaX-ray fluorescence (XRF)
8Calcium oxideCaO%Bellanca, AdrianaX-ray fluorescence (XRF)
9Sodium oxideNa2O%Bellanca, AdrianaX-ray fluorescence (XRF)
10Potassium oxideK2O%Bellanca, AdrianaX-ray fluorescence (XRF)
11Phosphorus pentoxideP2O5%Bellanca, AdrianaX-ray fluorescence (XRF)
12Loss on ignitionLOI%Bellanca, AdrianaCalculated from weight loss after ignition at 450 °C
13RubidiumRbmg/kgBellanca, AdrianaX-ray fluorescence (XRF)
14StrontiumSrmg/kgBellanca, AdrianaX-ray fluorescence (XRF)
15YttriumYmg/kgBellanca, AdrianaX-ray fluorescence (XRF)
16ZirconiumZrmg/kgBellanca, AdrianaX-ray fluorescence (XRF)
17ChromiumCrmg/kgBellanca, AdrianaX-ray fluorescence (XRF)
18NickelNimg/kgBellanca, AdrianaX-ray fluorescence (XRF)
19BariumBamg/kgBellanca, AdrianaX-ray fluorescence (XRF)
20LanthanumLamg/kgBellanca, AdrianaX-ray fluorescence (XRF)
21CeriumCemg/kgBellanca, AdrianaX-ray fluorescence (XRF)
22VanadiumVmg/kgBellanca, AdrianaX-ray fluorescence (XRF)
23Chemical index of alterationCIABellanca, Adrianasee comment(Al2O3/(Al2O3+Na2O+K2O+CaO)) x 100 (Nesbitt & Young, 1982)
24Chemical index of weatheringCIWBellanca, Adrianasee comment(Al2O3/(Al2O3+Na2O+CaO)) x 100 (Harnois, 1988)
2099 data points

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