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• Wattenberg field
  ...ness. The Fort Collins sandstones consist of approximately 80% quartz, 10% argillaceous matrix, 5% rock fragments, and 5% feldspar. Clay is the main matrix materia
  72 KB (10,249 words) - 20:06, 15 January 2024
• Tools and techniques for studying mudstones
  ...p. 115–119.</ref><ref name=ObrnSltt>O’Brien, N. R., and R. M. Slatt, 1990, Argillaceous rock atlas: New York, Springer-Verlag, 141 p.</ref><ref name=McQkrGwthrp>Ma ...y high proportions of hydratable clay minerals. To minimize sample damage, argillaceous mudstones should be exposed to as little water as possible during the prepa
  201 KB (28,634 words) - 17:31, 25 June 2024
• West Texas Super Basin
  ...calcareous mudrock dominance and higher total TOC in the Wolfcamp A versus argillaceous mudrock and lower TOC in the Wolfcamp B. Also shown are the thicker, amalga
  157 KB (23,278 words) - 18:36, 16 January 2024

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