Figure F23. A. Subunit 1A basalt-hyaloclastite breccia, which consists of variably altered basalt and glass clasts in a saponitic matrix. White minerals in the matrix are calcium carbonate and zeolite (interval 301-U1301B-1R-1 [Piece 2, 4–18 cm]). B. Subunit 8A basalt-hyaloclastite breccia, which consists of angular basalt clasts and glass shards in saponitic matrix (interval 301-U1301B-35R-1 [Piece 13, 99–106 cm]).
Previous | Close | Next | Top of page