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  • Depth distribution of pH, EC, CaCO3, OC, particle size distribution and textural class of the Bhognipur core. ... The XRD analysis of core sediments from IITK core shows dominance of mica in the silt (50–2μm) and coarse clay (2–0.2μm) fractions that also contain mixed-layer minerals, smectite, vermiculite, HIV, PCh, kaolin, feldspar and quartz (see Figs. 1–3 in the supplementary material). The fine clay fractions (<0.2μm) are dominated by mica and smectite along with vermiculite, HIV, PCh and kaolin. The smectite is predominantly LCS and dioctahedral in nature in fine clay fraction but silt and coarse clay fractions are dominantly HCS. The collapsing characteristics of K-saturated fine clay on heating from 110°C to 550°C indicate that most of the LCS has hydroxy-interlayering (Harward et al., 1969).... Identification key for the clay minerals in IITK and Bhognipur cores, Ganga–Yamuna interfluve, India. ... (a) Stratigraphy and paleosol distribution of the IITK drill core. A total of 4 major stratigraphic units and 13 paleosols were identified in this core covering a time span of ~100ka. The entire core is dominated by muddy sediments with thin silt layers at regular intervals. (b) Stratigraphy and paleosol distribution of the Bhognipur drill core. A total of 6 major stratigraphic units and 10 paleosols were identified in this core. This entire core is distinctly coarser in the lower parts with >10m sand body representing a major channel. ... Depth distribution of pH, EC, CaCO3, OC, particle size distribution and textural class of the IITK core. ... Study area in the Ganga–Yamuna interfluve (GYI) showing drill core at Indian Institute of Technology, Kanpur (IIT, K) and Bhognipur, Kalpi (BHOG, K).
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  • Sediment drift... Shaded and contoured (interval of 200m) bathymetric map of the south Aegean Sea. The thick red line indicates the isobath of 100m. The top left shaded bathymetric map of the entire Aegean Sea shows the surface circulation (grey arrows) and areas of dense water formation (black stars) (adapted from Canals et al., 2009). The top right bathymetric map shows the location of seismic lines and analysed sediment cores. White circles represent the AEG cores, whereas black circles represent the DEH cores. AMC: Asia Minor Current. ... Late Quaternary Eastern Mediterranean Transient events... Bathymetric map showing the distribution of the identified sedimentary facies in the southwest Aegean Sea. White bullets indicate the sampling locations of analysed sediment cores. White and black circles represent the location of the AEG and DEH sediment cores, respectively. ... Identified sedimentary facies in all analysed cores together with stratigraphic correlation. BC1–9: bottom-current related beds. The location of the cores is shown in Fig. 5. ... Sediment core photographs illustrating examples of the identified sedimentary facies. The location of the cores is shown in Fig. 5. ... Age estimation of each bottom-current related bed (BC1–9) in comparison with the NGRIP oxygen isotope curve (NGRIP Members, 2004) and the sea-level fluctuation curve. Little stars indicate actual AMS 14C ages. Open lines indicate uncertainty in the age prediction. The location of the cores is shown in Fig. 5.
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  • PARASOUND acoustic profile of the outer shelf (see Fig. 1 for location) and interpreted shelf architecture (vertical exaggeration=160). U9–U5: main stratigraphic units. Black arrows indicate GeoB-core positions (see Fig. 3 for respective sediment core columns). Depth on y-axis is given in meters below modern sea level (mbsl). ... Age models and sedimentation rates of the two GeoB-cores retrieved from the continental slope; (A) Core GeoB6211-2; RGC; (B) Core GeoB6308-3; NTD (see Fig. 1 for locations). ... Location of sediment cores and surface samples investigated in this study. ... Late Quaternary... Sediment columns of GeoB-cores from the outer shelf (see Figs. 1 and 2 for location) displaying lithology, grain size and radiocarbon ages. Interpretation of acoustic profiles, core lithology and radiocarbon measurements enables the correlation of the stratigraphic units U8 to U5 between single cores. ... Sediment columns of GeoB-cores from the inner shelf (see Figs. 1 and 4 for location and Fig. 3 for legend) displaying lithology, grain size and radiocarbon ages. Interpretation of acoustic profiles, core lithology and radiocarbon measurements enables the correlation of the stratigraphic units U3 to U1 between single cores. For presentation reasons, parts of the columns of Cores GeoB13813-4 and GeoB13817-2 are cut out due to their homogenous lithology. Intercalated sand layers of Core GeoB13817-2 are displayed in a schematic way (see Fig. 6 for a detailed view on the lithology of this sediment core).
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  • Geochemical variation (Na2O:Al2O3) with depth in core 51B0303. Geochemical differences are correlated with differences in depositional environment and sediment provenance (see text). The hatched areas represent the scatter of fluvial samples (Beegden Formation and Sterksel Formation) and aeolian samples (Boxtel Formation) in Fig. 3B. For the location of the core, see Fig. 1B. ... Map showing the heavy mineral composition with depth for eight sediment cores in the Roer Valley Graben. Only the upper 50m of each core is shown. Inferred Late Quaternary sediment fluxes into the region are indicated. ... Proposed correlation between the late Middle Pleistocene of France, the Netherlands and northeast Germany (after: Urban, 1995; Turner, 1998; De Beaulieu et al., 2001; T. Meijer, pers. comm.). Stratigraphic position of glacial deposits is also indicated. ... Quartz OSL data from core 51H0183 (Heusden-Broek 2) ... Correlation of the depositional environment and sediment composition in the Roer Valley Graben during the Middle and Late Quaternary.
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  • Response of deep-sea benthic foraminifera to Late Quaternary climate changes, southeast Indian Ocean, offshore Western Australia
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  • Late quaternary... Down-core analyses in core NP90-39 showing: δ18O and δ13C (‰ vs. PDB) measured on sinistral N. pachyderma; number of foraminifera per gram dry, bulk sediment; number of G. quinqueloba per gram dry, bulk sediment;. %CaCO3 of bulk sediment; sedimentation rate (cm/1000years); number of ice-rafted debris (IRD)grains >0.5μm; and number of benthic foraminifera per gram dry, bulk sediment (log scale). The numbers on the curve to the right give the radiocarbon age. The shaded horizontal bar indicates a turbidite. The column to the right shows marine oxygen isotope stages (MIS). For core location see Fig. 1. ... Down-core analyses in core M23385 showing: δ18O and δ13C (‰ vs. PDB) measured on sinistral N. pachyderma; number of foraminifera per gram dry, bulk sediment; number of G. quinqueloba per gram dry, bulk sediment; %CaCO3 of bulk sediment; sedimentation rate (cm/1000years); number of ice-rafted debris (IRD) grains >0.5mm; number of benthic foraminifera per gram dry, bulk sediment (log scale); and number of C. wuellerstorfi per gram dry, bulk sediment. The position of the Pullenia bulloides layer discussed in the text, is shown in the column to the right, together with the radiocarbon dates. The column to the right shows marine oxygen isotope stages (MIS) according to Martinson et al. (1987). Shading highlights substages 5a and 5c. For core location see Fig. 1. ... Identification number, location, depth, length and coring device for the investigated sediment cores ... Down-core analyses in core NP90-36 showing: δ18O and δ13C (‰ vs. PDB) measured on sinistral N. pachyderma; number of foraminifera per gram dry, bulk sediment; number of G. quinqueloba per gram dry, bulk sediment; %CaCO3 of bulk sediment; sedimentation rate (cm/1000years); number of ice-rafted debris (IRD) grains >0,5mm; number of benthic foraminifera per gram dry, bulk sediment (log scale); and number of C. wuellerstorfi per gram dry, bulk sediment. The numbers on the curve to the right give the radiocarbon age. The column to the right shows marine oxygen isotope stages (MIS) according to Martinson et al. (1987). For core location see Fig. 1. ... Down-core analyses in core NP90-38 showing: δ18O and δ13C (‰ vs. PDB) measured on sinistral N. pachyderma; number of foraminifera per gram dry, bulk sediment; number of G. quinqueloba per gram dry, bulk sediment; %CaCO3 of bulk sediment; sedimentation rate (cm/1000years); number of ice-rafted debris (IRD) grains >0.5mm; number of benthic foraminifera per gram dry, bulk sediment (log scale); and number of C. wuellerstorfi per gram dry, bulk sediment. The column to the right shows marine oxygen isotope substages (MIS) according to Martinson et al. (1987). Shading highlights substages 5a, 5c and 5e. For core location see Fig. 1.
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  • Compilation of downcore variation of (a) opal contents, (b) TOC contents, and (c) CaCO3 contents of three sediment cores (05GCRP21, 05GCRP23, and 05GCRP16). ... Construction of age estimate by correlation of L* values of (a) core 05GCRP21 to (b) core 05GCRP23 and (c) core 05GCRP16. ... Downcore variation of opal contents of (a) core 05GCRP21, (b) core 05GCRP23, and (c) core 05GCRP16. ... Downcore variation of total organic carbon (TOC) contents of (a) core 05GCRP21, (b) core 05GCRP23, and (c) core 05GCRP16. ... Summary of geochemical properties of three sediment cores in the South Korea Plateau
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  • Location of the marine sediment cores investigated in this study, and mean austral summer (A) and winter (B) sea surface temperatures (SST) (color shading, °C; Locarnini et al., 2010) plotted together with mean annual horizontal circulation at the surface (black arrows; Stramma and England, 1999). During austral summer (winter) the Brazil Current is strengthened (weakened) and our study area experiences higher (lower) SST (Matano et al., 1993; Locarnini et al., 2010). ACC: Antarctic Circumpolar Current; BC: Brazil Current; NBC: North Brazil Current; SAC: South Atlantic Current; SSEC: Southern South Equatorial Current. This figure was partly produced with Ocean Data View (Schlitzer, 2012). See Table 1 for more information about the sediment cores. ... Proxy records for the upper Brazil Current spanning the late Holocene based on marine sediment cores GeoB2107-5 and GeoB6211-1/2. (A) GeoB2107-5 Globigerinoides ruber white (w) δ18O; (B) GeoB2107-5 Globorotalia truncatulinoides dextral (d) δ18O; (C) GeoB6211-1/2G. ruber w δ18O; (D) GeoB6211-1/2 permanent thermocline (i.e., GeoB6211-1 G. truncatulinoides d and GeoB6211-2 Globorotalia inflata) δ18O; (E) GeoB6211-1/2 G. ruber w Mg/Ca sea surface temperatures (SST); and (F) GeoB6211-1/2 ice volume corrected (ivc) surface seawater (ssw) δ18O, a proxy for local sea surface salinity. Note that (A) and (C), and (B) and (D) are plotted on the same y-axis scale to facilitate comparison. In (A)–(D) the black lines represent a three-point running average. ... Centennial-scale variability of the Brazil Current during the late Holocene compared to circum-Atlantic climate records. (A) Low sea surface temperatures (SST) events from marine sediment core LO09-14 collected in the subpolar North Atlantic at 58.94°N/20.41°W (Berner et al., 2008); (B) Detrended Mg percentage in calcite from lacustrine composite sediment core E96-1P/E96-5M/E96-6M collected in eastern equatorial Africa at 0.29°S/29.71°E (Russell et al., 2003; Russell and Johnson, 2005); (C) Δδ18O Globigerinoides sacculifer – Globorotalia tumida from marine sediment core GeoB3910-2 collected in the western South Atlantic at 4.25°S/36.35°W (Arz et al., 2001); (D) δ18O from composite stalagmite LG3/LG11 collected in central-eastern Brazil at 14.42°S/44.37°W (Strikis et al., 2011); (E) Globigerinoides ruber white (w) δ18O from marine sediment core GeoB2107-5 collected in the western South Atlantic at 27.18°S/46.46°W (black line represents a three-point running average) (this study); (F) ice volume corrected (ivc) surface seawater (ssw) δ18O from composite marine sediment core GeoB6211-1/2 collected in the western South Atlantic at 32.51°S/50.24°W (black line) (this study) together with a sinusoid with period of 730yr (gray line). See Table 3 and the Discussion for more information about records (A)–(D). ... Late Quaternary... Age model and sedimentation rates for marine sediment cores GeoB2107-5 and GeoB6211-1/2. Solid black line refers to core GeoB6211-1, and solid gray line refers to core GeoB6211-2. Cores GeoB6211-1 and GeoB6211-2 were used to produce the composite record GeoB6211-1/2. ... Marine sediment cores used in this study.
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  • Characteristics of the 5 late Quaternary depositional sequences identified in seismic profiles, their bounding surfaces, thickness at the shelf break and type of internal geometry. See text for details. ... Main characteristics of sediment cores in the study area. Three cores were obtained with the R/V “Pourquoi pas?”, two cores were provided by TOTAL. ... Isopach map in meters of the depositional sequences identified between D30 and the seafloor. Color scale represent sediment thickness. Conversion in meters is approximate and has been done using a velocity of 1500m.s−1 in sediment. ... A. Isopach map of individual depositional sequence S2 to S5. Grey scale represents sediment thickness, based on an average sonic velocity of 1500m.s−1 in sediment. ... Simplified lithologic, petrophysic and geochemical properties of three Calypso piston cores: (A) ER-CS37, (B) ER-CS17, and (C) ER-CS-23. The lithologic log of cores is presented together with a curve of Gamma density, an XRF curve of Calcium and the Oxygen isotope records for cores (B) and (C). The δ18O record is labeled with the Marine Isotope Stages according SPECMAP terminology (Martinson et al., 1987). Note for core EC-CS17 the very negative values for MIS 1, MIS 3, and MIS 5.1. Note for core ER-CS23 that Holocene sediments (MIS 1) are missing. Again very negative values are measured for MIS 3, MIS 5.1, MIS 5.3, and MIS 5.5. ... A. Uninterpreted regional HR Random line from 3D seismic data, showing depositional sequences from the outer continental shelf to the upper slope. This line shows the structural organisation of the study area (location in Fig. 2). B. Seismic interpretation of the same Random line shown in (A). C. XRF Calcium Counts of 5 piston cores (Table 3) with the correlation with the discontinuities D70 and D60 identified on seismic profiles. The location of the core is presented in Fig. 2 (on a map) and in Figs. 8A and 11 (on seismic data). Five AMS 14C dates were obtained from core ER-CS37 (Table 7).... Late Quaternary
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  • Changes in dose rate with depth for core LIWA/40B: (a) total dose rate; (b) potassium. ... Location map showing the Rub Al Khali and the Liwa region, with core LIWA/40B marked. The complex pattern of dune forms in the United Arab Emirates is also shown. (After Glennie, 1998; Embabi, 1991.) ... Results for dune core LIWA/40B
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