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Clay minerals and the adsorption of fullerenes: clues from iridium-enriched Cretaceous–Palaeogene Anjar intertrappean beds, Kachchh district, Gujarat, India


Affiliations
1 CSIR-National Geophysical Research Institute, Hyderabad 500 007, India; Academy of Scientific and Innovative Research, Ghaziabad 201 002, India, India
2 School of Natural Sciences and Engineering, National Institute of Advanced Studies, Indian Institute of Science Campus, Bengaluru 560 012, India, India
 

Here we present powder X-ray diffraction (XRD) and Fourier transform infrared (FT-IR) spectroscopic data on clay minerals associated with the iridium (Ir)-enriched and fullerene-bearing yellowish-brown clayey layers of the Anjar intertrappean beds, Kachchh district, Gujarat, India. The objective is to understand the role of clay minerals composition in preserving the fullerene molecules and Ir contents in the Anjar intertrappean beds. XRD patterns show the presence of smectite along with palygorskite and sepiolite. FT-IR spectra also confirm the presence of these Mg-rich clay minerals and broadened peaks indicate their nanocrystalline nature. The study shows a correlation between the nature of smectites and the occurrence of fullerenes and iridium
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  • Clay minerals and the adsorption of fullerenes: clues from iridium-enriched Cretaceous–Palaeogene Anjar intertrappean beds, Kachchh district, Gujarat, India

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Authors

Pronoy Roy
CSIR-National Geophysical Research Institute, Hyderabad 500 007, India; Academy of Scientific and Innovative Research, Ghaziabad 201 002, India, India
G. Parthasarathy
School of Natural Sciences and Engineering, National Institute of Advanced Studies, Indian Institute of Science Campus, Bengaluru 560 012, India, India
Bulusu Sreenivas
CSIR-National Geophysical Research Institute, Hyderabad 500 007, India; Academy of Scientific and Innovative Research, Ghaziabad 201 002, India, India

Abstract


Here we present powder X-ray diffraction (XRD) and Fourier transform infrared (FT-IR) spectroscopic data on clay minerals associated with the iridium (Ir)-enriched and fullerene-bearing yellowish-brown clayey layers of the Anjar intertrappean beds, Kachchh district, Gujarat, India. The objective is to understand the role of clay minerals composition in preserving the fullerene molecules and Ir contents in the Anjar intertrappean beds. XRD patterns show the presence of smectite along with palygorskite and sepiolite. FT-IR spectra also confirm the presence of these Mg-rich clay minerals and broadened peaks indicate their nanocrystalline nature. The study shows a correlation between the nature of smectites and the occurrence of fullerenes and iridium

References





DOI: https://doi.org/10.18520/cs%2Fv124%2Fi1%2F87-93