Fig. 4
Thin section photomicrographs of bentonite (A–B), micrograding of fine pumice/lapilli (white) in abiotic chert (gray) (C–E), and tuffaceous sandstone (F).
Fig. 4 | Scientific Reports
Thin section photomicrographs of bentonite (A–B), micrograding of fine pumice/lapilli (white) in abiotic chert (gray) (C–E), and tuffaceous sandstone (F).
