Figure F29. Photomicrographs of albitite. A. Relict plagioclase microphenocryst (Sample 335-1256D-Run13-RCJB; Thin Section 34]) (cross-polarized light). B. Distribution of roundish oxide grains in Sample 335-1256D-Run20-RCJB (Thin Section 39) (plane-polarized light).
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