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- | Breakdown of K-feldspar or mica grains by fresh water6 KB (787 words) - 13:43, 6 April 2022
- ...ect on gamma ray logs. The log shapes reflect shaliness, that is, clay and mica content of the sand. Because most sands reflect a hydrodynamic equilibrium, * ''Radioactive minerals'' in sands, especially K-feldspar, zircon, and mica, can raise sand readings as high as adjacent shales. Gamma ray logs may be25 KB (3,637 words) - 19:39, 18 January 2022
- * Mica-derived kaolinite characterizes fluvial/distributary-channel sands flushed8 KB (1,129 words) - 14:11, 6 April 2022
- ...ref name=Reed_1977>Reed, M. G., 1977, Formation [[permeability]] damage by mica alteration and carbonate dissolution: Journal of Petroleum Technology, Sept17 KB (2,356 words) - 19:24, 19 January 2022
- ...les.<ref name=pt05r135>Reed, M. G., 1977, Formation permeability damage by mica alteration and carbonate dissolution: Journal of Petroleum Technology, Sept17 KB (2,380 words) - 18:23, 21 January 2022
- | Elongate composite grains with straight borders; common mica inclusions8 KB (1,127 words) - 20:21, 23 January 2019
- | Poor vertical permeability at upper to lower shoreface boundaries (e.g., mica plating) || || Lower shoreface sediments may be poorly swept; horizontal we ...PennWell Books, 1008 p.</ref> This behavior can be reinforced by a zone of mica concentration at the top of the lower shoreface, which acts as a baffle to18 KB (2,607 words) - 15:33, 15 January 2024
- ...fragments of unstable rock, and a little amount of other minerals such as mica and heavy minerals. Some feldspathic arenite have pink or red color because10 KB (1,524 words) - 15:29, 14 March 2016
- ...e more complex case of shaly sandstones with variable volumes of feldspar, mica, or carbonate material. This model can be solved using the graphical, linea The solution for the complex case of sandstones with feldspar, mica, and carbonate material was resolved after log analysts became comfortable25 KB (3,189 words) - 17:24, 18 January 2022
- ...ones rich in potassium-rich minerals such as potassium feldspar, muscovite mica, illite, or glauconite can give a high gamma response that is easily mistak ...enerally indicates the presence of minerals such as potassium feldspar and mica. Thorium is associated with the mineral monazite, a common heavy mineral in43 KB (6,686 words) - 13:44, 18 March 2019
- There was an influx of [[quartz]]- and mica-rich [[Turbidite|turbiditic]] [http://dictionary.reference.com/browse/detri30 KB (4,263 words) - 22:00, 23 January 2019
- ...festoon-type cross-bedding ([[:file:M31F10v2.jpg|Figure 3G, H]]). A high [[mica]] content and transported organic debris along bedding planes are common in27 KB (4,229 words) - 16:41, 6 April 2016
- ...meability through increased grain packing and the bending and rupturing of mica and plastic [[deformation]] of ductile rock fragments and mud intraclasts.27 KB (3,802 words) - 19:32, 9 January 2024
- ...aveolitis. Organic dust may contain minerals such as quartz, feldspar and mica produced as a result of the abrasion action of the wind. These can get diss ...of health problem to man. It transports minerals such as quartz, feldspar, mica and particles of animal, vegetable and those of microbial origin. Its impac83 KB (12,860 words) - 14:03, 10 April 2019
- ...ment breakage, grain rotation, and sliding as well as deformation in clay, mica, and diagenetically altered feldspar grains.<ref name=Bernabeetal_1994>Bern63 KB (9,496 words) - 16:51, 15 January 2024
- ...and ductile grain deformation is common. Partial dissolution of chert and mica has created minor amounts of secondary porosity. Cements include mixed laye72 KB (10,249 words) - 20:06, 15 January 2024