Figure 3-7. Weakly developed dissolution seams at the margins of an elliptical burrow in a dolomitic Ordovician micstone. The inset shows the area between the red arrows at higher magnification; note the concentration of dolomite in the dissoltion seam. The burrows can be seen in a hand-sample image. .

      Photomicrograph was taken in plane-polarized light; field of view is 2.4 mm wide. Murfreesboro, Tennessee, U.S.A.; Sample ME6-9 F-G; thin section ME6-9 F-G. Sample collected by L. Bruce Railsback.

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