Rare Earth and High Field‐Strength Elements in the Multani Mitti Clay: A Study Using <scp>INAA</scp>

Waheed, S.; Siddique, N.; Faiz, Yasir

doi:10.1111/j.1751-908x.2012.00186.x

Cited by 9 publications

(3 citation statements)

References 25 publications

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“…For example, positive Eu and negative Ce anomalies are often used to indicate the occurrence of hydrothermal activities (Gu et al, 2019; Qi et al, 2021; Su et al, 2022). REEs data shown as Post‐Archaean Australian Shale (PAAS)‐normalized diagrams (Shahida et al, 2013) for different dolomite fabrics are shown in Figure 6. The REEs patterns for the MD samples are characterized by slightly Ce negative anomalies, and slightly Eu positive anomalies (Figure 6a).…”

Section: Resultsmentioning

confidence: 99%

Hydrothermal silicification in Ediacaran Dengying Formation fourth member deep dolomite reservoir, Central Sichuan Basin, China: Implications for reservoir quality

Wang

Jiang

Yang³

et al. 2023

Geological Journal

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The Ediacaran Dengying Formation fourth member in Central Sichuan Basin is the deep dolomite gas reservoir with the largest natural gas reserves in China, providing an excellent example for understanding the effect of hydrothermal silicification on deep dolomite reservoir quality. By integrating petrology, geochemistry and physical property measurement, this study aims to reveal the genesis of different quartz phase and their corresponding diagenetic events, and to discuss the temporal relationship of diagenetic events and their effects on the quality of deep dolomite reservoir in Dengying fourth member. Three phases of quartz cement are identified in Ediacaran Dengying Formation deep dolomite reservoirs of Central Sichuan Basin as follows: (1) first‐stage quartz filled in primary reservoir spaces, (2) second‐stage quartz mainly filled in secondary reservoir spaces, and (3) third‐stage quartz filled in secondary reservoir spaces with Mississippi Valley‐Type minerals. By analysing petrographic and temporal relationships between these fabrics, it is suggested that the first‐stage quartz precipitated during the syndiagenetic stage, the second‐stage quartz precipitated during middle diagenetic stage, and the third‐stage quartz precipitated during middle diagenetic stage as well. Silicification during syndiagenetic stage is characterized by replacement of cryptocrystalline quartz and cementation of first‐stage quartz within matrix dolomite (MD). After syndiagenetic silicification, the mineral composition of the MD changed from magnesium calcium carbonate to silica, and the later constructive diagenetic alterations were almost ineffective. The distribution of syndiagenetic silicification during syndiagenetic stage gradually decreases from the platform‐interior to the platform‐margin. The second‐stage and third‐stage quartz cements, derived from two‐stage hydrothermal silicification in the middle stage, are both destructive for reservoir preservation. This study, combined with coeval vapour–liquid inclusions Th data and thermal‐burial models, constrains the time of the second‐stage quartz to ca. 403–408 Ma, suggesting an hydrothermal silicification related to the Caledonian movement. The time of the third‐stage quartz cement is constrained to ca. 259.4 Ma, associated with Late Permian eruption of Emeishan flood basalts.

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Section: Resultsmentioning

confidence: 99%

Hydrothermal silicification in Ediacaran Dengying Formation fourth member deep dolomite reservoir, Central Sichuan Basin, China: Implications for reservoir quality

Wang

Jiang

Yang³

et al. 2023

Geological Journal

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“…Multani mitti is a clay deposit found in Pakistan, it is found in plenteous deposits, which are located in Multan. Scientifically, Multani mitti is a mineral of montmorillonite smectite and bentonite clay, From the ancient Chinese, Mesopotamians, Egyptian, and Indian civilizations, it is easy to find out various beneficial and curative effects of clay [6]. Clay has a variety of applications i.e.…”

Section: Introductionmentioning

confidence: 99%

Antimicrobial Activity of Fuller’s Earth, Turmeric, and Sandalwood against Streptococcus Mutans, Micrococci and Coagulase Negative Staphylococci -an In vitro Study

Dhanasekaran

Muralidharan

2021

JPRI

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Introduction: Sandalwood powder (Santalum alba) is used if the skin is oily for removing dark spots on the skin. Sandalwood has an anti-tanning and anti-aging property. Turmeric powder (Curcuma longa) is mainly used to rejuvenate the skin. It helps to delay aging like wrinkles and also possesses other properties like antibacterial, antiseptic, and anti-inflammatory, and many other properties. Multani mitti helps the skin in many different ways like the reduction of pore size pore sizes, removing blackheads and removing whiteheads fading freckles, soothing sunburns, cleansing skin, improving blood circulation, complexion, reducing acne and blemishes, and gives a glowing effect to your skin as they contain many-particles which can inhibit various organisms. Materials and Methods: In this investigation, the antimicrobial viability of Turmeric, sandalwood and Multani Mutti was tested against Streptococcus mutans, Micrococci, and coagulase-negative staphylococcus. The microorganisms were filled in strong media, and culture containing stock suspensions was made and, in this way, standard strains of Streptococcus mutans, Micrococci, and Coagulase-negative staphylococci were obtained. Microorganisms were subcultured in fitting society media to affirm their virtue. Results: The zone of inhibition of turmeric against Streptococcus mutans is about 11mm. The zone of inhibition of turmeric against Micrococci is about 9 mm. The zone of inhibition of turmeric against Coagulase-negative staphylococci is about 13mm. There was no zone of inhibition for both sandalwood and Multani mitti for Coagulase-negative staphylococci, Streptococcus mutans, and Micrococci. Conclusion: The study proves the turmeric has antimicrobial potential against Coagulase-negative staphylococci, Streptococcus mutans,, and Micrococci with good prospects of development into antimicrobial face pack or face wash

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“…X-ray uorescence spectrometry (XRF) and instrumental neutron activation analysis (INAA) have been widely used for the determination of Zr-Nb or Hf-Ta, respectively. 5,6 However, these techniques cannot be used to analyse these four elements simultaneously because of their inadequate sensitivity for many geological materials. 1 A highly sensitive and multi-element simultaneous analytical method based on inductively coupled plasma mass spectrometry (ICP-MS) has been developed to measure the contents of HFSEs and other trace elements over the past three decades.…”

Section: Introductionmentioning

confidence: 99%

Slurry nebulisation ICP-MS direct determination of high field strength elements (Nb, Ta, Zr, and Hf) in silicate rocks

Tong

Guo

2019

RSC Adv.

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Rare Earth and High Field‐Strength Elements in the Multani Mitti Clay: A Study Using INAA

Cited by 9 publications

References 25 publications

Hydrothermal silicification in Ediacaran Dengying Formation fourth member deep dolomite reservoir, Central Sichuan Basin, China: Implications for reservoir quality

Hydrothermal silicification in Ediacaran Dengying Formation fourth member deep dolomite reservoir, Central Sichuan Basin, China: Implications for reservoir quality

Antimicrobial Activity of Fuller’s Earth, Turmeric, and Sandalwood against Streptococcus Mutans, Micrococci and Coagulase Negative Staphylococci -an In vitro Study

Slurry nebulisation ICP-MS direct determination of high field strength elements (Nb, Ta, Zr, and Hf) in silicate rocks

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