Vesicular silicate grains in Kamargaon meteorite: Implications for primary volatile content and its multiple impact history

Kishan Tiwari, Indian Institute of Technology Kharagpur, Department of Geology & Geophysics, Kharagpur, India, Sujoy Ghosh, Indian Institute of Technology Kharagpur, Geology and Geophysics, Kharagpur, India, Masaaki Miyahara, Hiroshima University, Higashi-Hiroshima, Japan and Dwijesh Ray, Physical Research Laboratory, Planetary Sciences Division, Ahmedabad, India