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  • ...ce between the pores of the rock grew wide. This resulted in the cavities. Calcite that has not been dolomitized will dissolve quickly and arising secondary p
    14 KB (2,134 words) - 16:48, 26 March 2019
  • ...ure''; Partially or totally mineralized by postfracture cements, typically calcite, [[gypsum]], or silica.
    7 KB (895 words) - 16:04, 13 April 2022
  • ...ar wacke-stones to grainstones. The principal occluding cements are sparry calcite and [[anhydrite]].
    6 KB (842 words) - 18:50, 4 December 2023
  • | Calcite
    6 KB (787 words) - 13:43, 6 April 2022
  • ...e most common carbonate cement. Calcite cement is an assortment of smaller calcite crystals. The cement adheres itself to the framework grains, this adhesion ...tion of smectite and the precipitation of [[quartz]], ankerite and type II calcite cements. In addition to the increase in temperature and pressure, the spati
    27 KB (3,802 words) - 19:32, 9 January 2024
  • ...7), though a subsequent study by Borrok et al. (2019) generally found that calcite concentration is greater near the base of the TMS. Porosity ranges from 4.
    7 KB (1,007 words) - 21:15, 3 March 2022
  • Table 1: Carbonate rock types having varying percentages of dolomite and calcite (after Leighton and Pendexter, 1962). Carbonate rock type Dolomite percentage (%) Calcite percentage (%)
    38 KB (4,996 words) - 21:07, 21 April 2022
  • | Calcite || Fibrous, bladed, granular, blocky, poikilotopic, syntaxial rim ...voir quality in sandstones and carbonates. Dolomitization of limestones or calcite cement in sandstones typically increases porosity and permeability. Similar
    18 KB (2,514 words) - 17:47, 21 January 2022
  • ...th and regionally. Although chalk is usually stable, recrystallization and calcite precipitation are present on a regional scale. These changes in mechanical ...te rocks dolomitization, recrystallization, and changing from aragonite to calcite alter rigidity contrast. Other types of rocks such as clastics are affected
    23 KB (3,162 words) - 17:28, 5 December 2023
  • ...e at over [[depth::13,000 ft]] depth in rock described as [[dolomite]] and calcite marble with graphitic inclusions.<ref name=ch11r30>Rozendal, R. A., and W.
    11 KB (1,525 words) - 18:50, 1 February 2022
  • ...cally and chemically. Cementation precipitates secondary minerals, such as calcite, [[quartz]], and iron oxides, in the pores of sandstone.
    10 KB (1,508 words) - 15:44, 22 March 2019
  • ...ese and lead.<ref name=pt05r107>Machel, H-G., 1985, Cathodoluminescence in calcite and dolomite and its chemical interpretation: Geoscience Canada, v. 12, p.
    11 KB (1,477 words) - 15:25, 24 January 2022
  • ...equations can be combined to solve for porosity and to estimate volumes of calcite, [[quartz]], dolomite, clay, feldspar, anhydrite, and salt. Once porosity i | Calcite || CaCO<sub>3</sub> || 2.71 || 0 || –1. || 49.0 || 88.4 || 5.08 || 13.77
    25 KB (3,189 words) - 17:24, 18 January 2022
  • | Increased calcite/aragonite cementation in shallow marine phreatic zone where steep slopes or | Conditions favorable to precipitation of calcite and aragonite include areas where CO<sub>2</sub> degassing occurs, certain
    31 KB (4,171 words) - 18:22, 21 January 2022
  • ...ompaction. Typical products of diagenesis include quartz, carbonate (e.g., calcite, dolomite, ankerite, and siderite), clay (e.g., illite, kaolinite, chlorite ...a ternary diagram with 100 percent of total quartz, total carbonate (e.g., calcite, dolomite), and total clay (e.g., illite, smectite) minerals as end members
    58 KB (8,391 words) - 19:46, 20 February 2024
  • ...HF acid should not be allowed to contact calcium-bearing minerals such as calcite or [[dolomite]]. It is necessary to use HCl as a preflush or cation exchang
    17 KB (2,356 words) - 19:24, 19 January 2022
  • ...HF acid should not be allowed to contact calcium-bearing minerals such as calcite or [[dolomite]]. It is necessary to use HCl as a preflush or cation exchang
    17 KB (2,380 words) - 18:23, 21 January 2022
  • .../BLTN05114.HTM Three-dimensional facies architecture and three-dimensional calcite concretion distributions in a tide-influenced delta front, Wall Creek Membe ...it appears probable that permeability barriers and baffles in the form of calcite-cemented concretionary layers occur along clinoforms in the Troll Field res
    113 KB (16,689 words) - 22:11, 15 January 2024
  • ...stablished using fluid inclusions temperature (Th) utilizing assessment of calcite cements. Ultimately generating a burial history diagram ([[:file:AlfraihAlS
    20 KB (2,691 words) - 21:06, 21 April 2022
  • ...robial bindstones having a fine lamination of irregular aspect and regular calcite sheets.
    16 KB (2,490 words) - 15:32, 8 January 2021

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