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Martínez-Braceras, Naroa; Payros, Aitor; Dinarès-Turell, Jaume; Rosales, Idoia; Arostegi, Javier; Silva-Casal, Roi (2024): Magnetic susceptibility of the lower Pliensbachian Santiurde section (Basque-Cantabrian basin, northern Spain) [dataset]. PANGAEA, https://doi.pangaea.de/10.1594/PANGAEA.967720 (DOI registration in progress)

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Abstract:
We present magnetic susceptibility dataset from the lowermost Pliensbachian organic-rich hemipelagic Santiurde section (Basque-Cantabrian basin, north Iberian palaeomargin, Spain). The Santiurde section studied herein is exposed at exit 144 of motorway A67 (UTM X411431.091 Y4769002.593), approximately 50 km south-west of Santander city. The 22.5 m-thick succession is characterized by an alternation of limy and marl/shale beds. In order to determine if sedimentation was orbitally forced, a cyclostratigraphic analysis of the hemipelagic rythmites was undertaken. To this end, a total of 373 hand samples were collected and analysed for magnetic susceptibility and rock powder colour. Sampling was mainly carried out in 2019. The mass normalized low-field magnetic susceptibility was measured using a Kappabridge KLY-3 instrument (Geophysika Brno) housed at the Geology department of the University of the Basque Country (UPV/EHU), Bilbao, Spain.
Keyword(s):
Basque-Cantabria basin; Calcium Carbonate content; colour; inorganic geochemistry; Organic Geochemistry; Pliensbachian; whole-rock mineralogy
Funding:
Agencia Estatal de Investigación (AEI), grant/award no. MARSA22/05: Margarita Salas post-doctoral grant of the Spanish Government with Next Generation funds from the European Union
Agencia Estatal de Investigación (AEI), grant/award no. PID2019-105670GB-I00: Spanish Government (MCIN/AEI)
Basque Government, grant/award no. IT602-22: Consolidated Research Group of the Basque Government
University of the Basque Country (UPV/EHU), grant/award no. DOCREC19/35: Post-doctoral grant from the University of the Basque Country
University of the Basque Country (UPV/EHU), grant/award no. ESPDOC21/49: Post-doctoral grant from the University of the Basque Country
Coverage:
Latitude: 43.068561 * Longitude: -4.087829
Date/Time Start: 2019-04-22T00:00:00 * Date/Time End: 2019-04-22T00:00:00
Minimum Elevation: 730.0 m * Maximum Elevation: 730.0 m
Event(s):
Santiurde_section * Latitude: 43.068561 * Longitude: -4.087829 * Elevation: 730.0 m * Location: Basque-Cantabrian basin, northern Spain * Method/Device: Hammer (HAM)
Parameter(s):
#NameShort NameUnitPrincipal InvestigatorMethod/DeviceComment
1 Sample IDSample IDMartínez-Braceras, Naroa
2 Stratigraphic heightStrat heightmMartínez-Braceras, Naroa
3 Magnetic susceptibility, specific, low-fieldchi_lfm3/kgMartínez-Braceras, NaroaKappabridge, AGICO KLY-3mass normalized low-field magnetic susceptibility
License:
Creative Commons Attribution 4.0 International (CC-BY-4.0)
Size:
1110 data points

Data

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

1 
Sample ID		2 
Strat height [m]		3 
chi_lf [m3/kg]
ST990.171.67E-05
ST1000.271.58E-05
ST1010.371.63E-05
ST1020.431.40E-05
ST1030.481.36E-05
ST1040.531.63E-05
ST1050.581.57E-05
ST1060.631.26E-05
ST1070.661.10E-05
ST1080.691.17E-05
ST1090.741.19E-05
ST1100.791.54E-05
ST1110.851.03E-05
ST1120.898.77E-06
ST1130.971.14E-05
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ST1161.289.27E-06
ST1171.321.06E-05
ST1181.359.71E-06
ST1191.401.04E-05
ST1201.461.38E-05
ST1211.521.19E-05
ST1221.571.12E-05
ST1231.601.08E-05
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ST1251.711.32E-05
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ST1282.001.09E-05
ST1292.039.45E-06
ST1302.061.12E-05
ST1312.101.13E-05
ST1322.131.14E-05
ST1332.161.17E-05
ST1342.191.16E-05
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ST1502.907.78E-06
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ST1875.079.57E-06
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ST25.318.18E-06
ST35.407.74E-06
ST45.497.89E-06
ST55.537.68E-06
ST65.608.47E-06
ST75.658.70E-06
ST85.717.66E-06
ST95.768.37E-06
ST105.808.72E-06
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ST125.888.00E-06
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ST9812.371.19E-05
ST18M212.441.10E-05
ST18M312.509.00E-06
ST18M412.561.14E-05
ST18L212.631.22E-05
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ST19MA212.828.29E-06
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ST19MA412.949.73E-06
ST19LA213.011.19E-05
ST19LA313.071.17E-05
ST19LA413.131.13E-05
ST19MB213.201.11E-05
ST19MB313.271.03E-05
ST19MB413.341.11E-05
ST19LB213.401.16E-05
ST19LB313.461.35E-05
ST19LB413.521.16E-05
ST19CM213.591.09E-05
ST19CM313.659.18E-06
ST19CM413.711.05E-05
ST19LC213.791.18E-05
ST19LC313.871.31E-05
ST19LC413.951.04E-05
ST20M114.018.57E-06
ST20M214.046.88E-06
ST20M314.078.41E-06
ST20L214.128.96E-06
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ST22MA514.819.66E-06
ST22LA214.861.22E-05
ST22LA314.891.31E-05
ST22LA414.921.30E-05
ST22MB314.981.18E-05
ST22MB515.081.05E-05
ST22MB715.181.13E-05
ST22LB215.251.11E-05
ST22LB315.281.30E-05
ST22LB415.311.16E-05
ST22MC115.361.16E-05
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ST27317.669.20E-06
ST27417.731.09E-05
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ST27617.979.09E-06
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ST28418.351.27E-05
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ST29418.948.23E-06
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