Contributors:R. Sinha, P. Srivastava, A.S. Dasgupta, A. Nimje, T. Bhattacharyya, D.K. Pal, S.K. Ray, P. Chandran
Depth distribution of pH, EC, CaCO3, OC, particle size distribution and textural class of the Bhognipur core.
... The XRD analysis of coresediments 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).