Figure F33 (continued). B. Upper contact on igneous Unit 1 intrusive rhyolite and relationship with its host in Unit VI (35R-1; 1388.1–1397.9). For discussion, see text. Photomicrographs of the (a, b) margin (35R-1, 76–78; TS121; 1388.86–1388.88 mbsf) and (c, d) interior (35R-1, 115–118; TS122; 1389.25–1389.27 mbsf) show the chilled upper margin of igneous Unit 1. (Continued on next page.)
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