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There is a page named "Quartz" on this wiki. See also the other search results found.

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  • Quartz
    | chapter = Grains: Quartz and Silica [[file:M109Quartz300dpi.jpg|300px|thumb|Quartz crystals with adularia (orthoclase) from Dona Ana Co., New Mexico. Photogra
    8 KB (1,127 words) - 20:21, 23 January 2019

Page text matches

  • File:M109CH01Monocrystalline.jpg
    ...uartz grains are most commonly derived from hydrothermal-vein sources. The quartz overgrowth (cement) around the upper part of the grain has far fewer inclus
    (656 × 439 (87 KB)) - 20:20, 23 January 2019
  • File:M109CH01FG01.jpg
    ...als in polycrystalline grains can help determine quartz provenance (from [[Quartz|Basu et al., 1975]]). From From AAPG Memoir 109—A Color Guide to the Petr
    (487 × 674 (45 KB)) - 19:24, 23 January 2019
  • File:M102Ch1Fg6.jpg
    (a) A BSE and CL image of a polished shale sample. Orange-hued quartz grains reflect low-grade ...ndicate higher grade metamorphism (phyllite-schist). (b) Detail of a large quartz grain in center of image (arrow) displays multiple generations of growth in
    (502 × 518 (978 KB)) - 22:08, 14 August 2014
  • File:M109Quartz300dpi.jpg
    Quartz crystals with adularia (orthoclase) from Dona Anna Co., New Mexico. Photogr
    (1,129 × 1,583 (512 KB)) - 18:14, 23 January 2019
  • File:Figure-8.jpg
    ...In the segmented region, blue = carbonate, green = clay minerals, yellow = quartz, pink = feldspar, white = pyrite, and gray = organic matter. From AAPG Memo
    (1,353 × 418 (106 KB)) - 17:34, 15 August 2014
  • File:M109CH01Polychristalline.jpg
    ...Sandstone Group, County Antrim, Northern Ireland, U.K., a polycrystalline quartz grain of metamorphic origin. The grain has sutured internal boundaries betw
    (655 × 438 (71 KB)) - 20:07, 23 January 2019
  • Quartz
    | chapter = Grains: Quartz and Silica [[file:M109Quartz300dpi.jpg|300px|thumb|Quartz crystals with adularia (orthoclase) from Dona Ana Co., New Mexico. Photogra
    8 KB (1,127 words) - 20:21, 23 January 2019
  • Methods for obtaining formation fluid pressures
    ...or the test. Generally two types of gauges measure pressures: strain and [[quartz]]. The table below shows the accuracy and precision of both types. | Quartz Gauge
    2 KB (295 words) - 17:54, 17 February 2022
  • Pore systems
    *[[Quartz]]- or carbonate-cemented coarse sandstone *Quartz- or carbonate-cemented fine to medium sandstone
    3 KB (442 words) - 13:52, 4 April 2022
  • Sandstone provenance and characterization
    ...by its composition, in Folk and Dott Clasification, we have to know about quartz, feldspar, and rock fragments that compose the sandstone. When we figure it ...more. Based on grain mineralogy, sandstones are divided into three groups: Quartz arenite, feldspathic arenite, dan lithic arenite.
    10 KB (1,524 words) - 15:29, 14 March 2016
  • Sandstone diagenesis: composition and texture
    * The higher the [[quartz]] content, the greater the mechanical stability (less compaction occurs). ...secondary porosity through dissolution of less stable grains. The ratio of quartz to [[Ductility|ductile]] grains is key to compaction porosity loss.
    5 KB (729 words) - 20:48, 5 April 2022
  • Influence of depositional environment on sandstone diagenesis
    ...gments. Prodelta sands, deposited in a more distal setting, contain fine [[quartz]], micas, and detrital clays that are products of disaggregation. Reworked ...tation. Clay minerals form first because they precipitate more easily than quartz and feldspar overgrowths, which require more ordered crystal growth. Carbon
    8 KB (1,129 words) - 14:11, 6 April 2022
  • China Shale Gas & Liquids - Sichuan Basin
    ...res during gas window stage. These organic pores can be preserved by rigid quartz framework during late tectonic movements (Guo et al., 2020). In summary, fo ...ervation conditions. In summary, the combination of high TOC content, high quartz content, high porosity and good gas preservation conditions are fundamental
    7 KB (985 words) - 18:54, 4 December 2023
  • Sandstone
    ...of mixtures o a very small number of dominant framework components, like [[quartz]], feldspars, and rock fragments are commonly abundant enough to be importa ===Quartz Arenites===
    10 KB (1,508 words) - 15:44, 22 March 2019
  • Sandstone permeability prediction from texture
    ==Effect of [[quartz]] overgrowths== ...te low (<5%) and still have some permeability (<10 md) where cemented with quartz. (See also [[Connectivity and pore throat size]].)
    9 KB (1,118 words) - 17:03, 6 April 2022
  • Sandstone diagenetic processes
    * Ferroan carbonate and [[quartz]] cement * Quartz cement (most destructive)
    7 KB (870 words) - 20:30, 5 April 2022
  • Predicting sandstone reservoir porosity
    ...Formations on the left side of the plot, like the Vicksburg, tend to be [[quartz]] cemented. Formations on the right side, like the Frio (areas 4-6). tend t * Percentage of [[quartz]] grains
    10 KB (1,384 words) - 15:00, 6 April 2022
  • Diagenesis: information from petrology
    ...land) contain fluorescing oil inclusions trapped before the formation of [[quartz]] cements, which degraded the reservoir's quality. From Rick Tobin, unpubli ...land) contain fluorescing oil inclusions trapped before the formation of [[quartz]] cements, which degraded the reservoir's quality. Oil traps could occur [[
    4 KB (544 words) - 21:38, 4 February 2022
  • Hydrology and sandstone diagenesis
    ...mical systems close and diagenesis is primarily by pressure solution and [[quartz]] overgrowths.<ref name=ch09r66>Wilson, M. D., 1994a, Non-compositional con | [[Quartz]]
    6 KB (787 words) - 13:43, 6 April 2022
  • Reservoir system quality prediction
    | Cement mineralogy || [[Quartz]], [[calcite]], [[dolomite]], [[clay]], and [[anhydrite]], etc. || [[Aragon
    3 KB (425 words) - 17:11, 5 April 2022

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