|Figure 8-4. Zoned equant calcite at the rims of two pores (P). Zoning (thick arrows) around pores suggests secondary precipitation. Thin arrows point to relics of aragonite engulfed in calcite.
Photomicrograph was taken in plane-polarized light; field of view is 2.3 mm wide. DeSoto Cavern, Alabama, southeastern U.S.A., Stalagmite 95b; thin section 95b-1; sample collected by Dr. George A. Brook.
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