Fig. 9From: Taya Caves, a Buddhist marvel hidden in underground Japan: stone properties, deterioration, and environmental settingSEM-BSE photomicrographs showing different spatial arrangements of pyrite (the white grains) in the grey facies of Taya stone, and EDS chemical maps with examples of pyrite oxidation and S depletion. The inset shows some coarse-grained calcareous fossils on the walls of Taya CavesBack to article page