Figure F11. Unit 21 consists of a single piece of semimassive sulfide with abundant, angular, blocky to wispy volcanic clasts (Sample 193-1189A-12R-1 [Piece 16, 120-128 cm]). A. Close-up photograph of hand specimen. B. Line drawing of hand specimen. Highlighted areas denote possible clasts of chalcopyrite-bearing sulfide.

Figure F11. Unit 21 consists of a single piece of semimassive sulfide with abundant, angular, blocky to wispy volcanic clasts (Sample 193-1189A-12R-1 [Piece 16, 120-128 cm]). A. Close-up photograph of hand specimen. B. Line drawing of hand specimen. Highlighted areas denote possible clasts of chalcopyrite-bearing sulfide.