Photomicrographs - Bellevue Field (3 photos)

Well: Superior KCL-9

FRAME 2-34. Macoma sandstone from Bellevue field (Superior KCL-9, 6647'). Note- twinned plagioclase, yellow-stained potassium feldspar, and extensive clay matrix. Carbonate appears as isolated rhombs. Field of view 1.05mm. Crossed Nicols.

FRAME 2-35. Stevens sandstone from Bellevue field (Superior KCL-9, 7198'). Note iron-stained carbonate rhombs associated with biotite in center, microcline (upper right), plagioclase (bottom center), andesitic rock fragment (upper left), and polycrystalline quartz (lower left). Field of view 2.lmm. Crossed Nicols.

FRAME 2-36. Stevens sandstone from Bellevue field (Superior KCL-9, 7572'). Note microcrystalline iron-stained carbonate (siderite or dolomite) surrounding microcline (center) and quartz (top center) grains. Note twinned plagioclase in lower left and top center. Field of view 2.lmm. Crossed Nicols.