Photomicrographs - South Coles Levee Field (5 photos)
Well: KCL 20-13
FRAME 1-7. Devilwater-Gould sandstone from South Coles Levee field (KCL 20-13, 13702'). Note patches of calcite cement and coarse twinned feldspars. Field of view 2.lmm. Crossed Nicols.
FRAME 1-8. Devilwater-Gould sandstone from South Coles Levee field (KCL 20- 13, 13702'). Note patches of calcite cement (upper left, bottom center), fresh twinned plagioclase (lower left), and highly birefringent clay coats (upper right). Field of view 2.lmm. Crossed Nicols.
FRAME 1-9. Media sandstone from South Coles Levee field (KCL 20-13, 15539'). Note abundant dark volcanic rock fragments and patchy calcite cement and replacement of plagiociase (lower left and lower right). Field of view 1.05mm. Crossed Nicols.
Well: KCLB 67-4
FRAME 2-32. Stevens sandstone from South
Coles Levee field (KCLB 67-4, 9212'). Note
extensive calcite cement and abundant twinned
plagioclase grains. Field of view 2.lmm. Crossed
Nicols.
FRAME 2-33. Stevens sandstone from South Coles Levee field (KCLB 67-4, 9102'). Note microcrystalline iron-stained carbonate (dolomite or siderite) cement and coarser rhombs growing within biotite cleavage flakes. Field of view 1.05mm. Crossed Nicols.