Thin-section photomicrograph (cross-polarized light) of
anhydrite-filled porosity in a stromatolitic (fenestral
boundstone) dolomite in the Yates Fm.. Allochems
trapped or formed within the stromatolite are
mainly pellets (peloids) or pisoids. Sample from
1657.9 ft depth in Gulf/Chevron PDB-04 well on
Northwestern Shelf of Delaware basin, 30 km
ENE of Carlsbad, Eddy Co., NM.

© Peter A. Scholle, 1999

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