Characterization of Nanoscale Pores in Tight Gas Sandstones Using Complex Techniques: A Case Study of a Linxing Tight Gas Sandstone Reservoir by Chaohui Lyu, Liguo Zhong, Zhengfu Ning, Qing Wang, David R. Cole

“…Results show that tight gas sandstones are primarily comprised of residual interparticle and clay-dominated pores. Clay and quartz are two dominate minerals while pyrite occupies a nontrivial amount as well. …”
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The Impact of Pore Structure on Kerogen Geomechanics by Saad Alafnan

“…Shale is a clastic sedimentary rock composed of a complex mineralogy of clay, quartz, calcite, and fragments of an organic material known as kerogen. …”
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Effect of temperature and time on purity, morphology and phase transformations of silica from rice husk by Md. Tariqul Islam, Md. Faruk Hossen, Md. Kudrat-E-Zahan, Md. Ali Asraf, C.M. Zakaria, Hayatullah, Md Shohel Rana

“…X-ray Diffraction (XRD) data indicated that rice husk ash produced silica of different silica phases such as amorphous and crystalline such as quartz, tridymite, cristobalite, wollastonite phase, etc. …”
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Partial Discharge Detection from Large Motor Stator Slots Using EFPI Sensors by Jinlong Wang, Weizhong Sun, Jun Zhou, Lei Wang, Lianfei Chen, Pengcheng Chen, Qichao Chen, Weichao Zhang

“…The sensor features a quartz diaphragm with a thickness of 20 μM, an effective constrained radius of 0.9 mm, a vibration-coupling air gap depth of 100 μM, and a first-order natural resonant frequency of 66 kHz. …”
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QCM Analysis for Two-Step Adsorption of Albumin and Fibronectin on Zirconia Surface by Masatsugu Hirota, Tohru Hayakawa

“…In this study, we investigated the two-step adsorption of fibronectin (Fn) and bovine serum albumin (Alb) on the ZrO2 surface using a 27-MHz quartz crystal microbalance (QCM) method. A ZrO2 sensor was employed for the QCM measurements. …”
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Issues with the Organic and Elemental Carbon Fractions in Recent U.S. Chemical Speciation Network Data by Philip K. Hopke, Yunle Chen, David Q. Rich, John G. Watson, Judith C. Chow

“…Abstract The carbon fractions of organic (OC1, OC2, OC3, OC4, OP) and elemental (EC1, EC2, and EC3) carbon obtained from IMPROVE (Interagency Monitoring of PROtected Visual Environments) thermal/optical carbon analysis of quartz-fiber filters have been implemented to help distinguish spark-ignition engine exhaust particulate matter (PM) contributions from those of heavy-duty diesel exhaust. …”
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THORIUM, URANIUM AND RARE EARTH MINERALIZATION IN ROCKS OF THE UGAKHAN GOLD DEPOSIT, BODAIBO ORE REGION by E.V. Shepel, N.R. Ayupova, M.A. Rassomakhin, P.V. Khvorov

“…The rocks consist of quartz, feldspar (albite, orthoclase), Fe-Mg chlorite, mica (muscovite, sericite) and carbonates (calcite, dolomite, ankerite) and accessory titanite, rutile, tourmaline, zircon and apatite. …”
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Mineralogical and geochemical peculiarities and gold content of pyrite and arsenopyrite of the Southern Ashaly gold deposit (East Kazakhstan) by Greku E. D., Kalinin Yu. A., Serdyukov A. N., Naumov E. A., Borovikov A. A., Ragozin A. L., Gladkov A. S.

“…The article provides a brief geological description of the Southern Ashaly mineral deposit within which ores of the gold-sulfide and gold-low-sulfide-quartz types were recognized. Two ore mineralization phases were established, that incorporate four stages, the pyrite, pyrite-arsenopyrite, sulfide, and polymetallic ones. …”
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Petrology of Oligocene Lalehzar igneous rocks in the southeast of Saveh-Naein-Jiroft magmatic belt by Fatemeh Sepidbar, Bahareh Borouzi Niyat

“…The granodiorites and granite include quartz, plagioclase, alkali feldspar, biotite and amphibole with different percentages. …”
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Comparison of Airborne Bacterial Populations Determined by Passive and Active Air Sampling at puy de Dôme, France by Kevin P. Dillon, Romie Tignat-Perrier, Muriel Joly, Sydonia N. C. M. Grogan, Catherine Larose, Pierre Amato, Gediminas Mainelis

“…., France) alongside an active PM10 sampler (~1000 L min−1) collecting aerosols on a quartz fiber filter. The diversity of the airborne bacteria captured by both samplers across six weekly sampling periods was examined by 16S rRNA gene amplicon sequencing. …”
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RESERVOIR CHARACTERIZATION OF THE CHELA FORMATION OF THE NSIAMFUMU AND LIAWENDA FIELDS IN THE ONSHORE COASTAL BASIN, D.R. CONGO by Kalunga Sina-Nduku Tryphene, Deko Oyema Bruno, Link Bukasa Muamba, Pierre Paty Tshibumbu Kayeya, Emmanuel Kazinguvu Atibu, Dominique Wetshondo Osomba

“…The following observations were obtained: • Wells Lw-1: the formation is characterized by dolomitic limestone and micaceous black shale with a thickness of 34 m having heavy oil indices and an average porosity of 17% and a salinity greater than 300 gr/L; • Well Lw-2: the formation is characterized by islands of sand, coarse sandstone and a few quartz pebbles with a thickness of 10m showing evidence of light oil, gas and an average porosity of 24%; • Shaft Lw-3: the formation is dominated by micaceous shale and dolomite interbeds with a thickness of 14m showing little evidence of hydrocarbons, only salt water and residual oils; • Puits Ns-1: the formation is characterized by beige to grey dolomite, grey shale and white sand with a thickness of 6m showing evidence of light oil and an average porosity of 20%. …”
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Investigation on Foaming Ability of Modified Polyethylene Terephthalate (PET) Composites Prepared Using Compression Molding by Hua-yong Liao, Jing Gao, Guo-liang Tao, Chun-lin Liu

“…PET was combined with polyolefin elastomer (POE) and filled with surface-treated mica, quartz, and graphene oxide (GO). POE served as a carrier and modifier for the foaming agent, as well as a toughening agent. …”
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Characterization and enhanced performance of Ivorian clays as potential modifiers in carbon paste electrodes by Legré Paul Gauly, Mariame Coulibaly, Ségnéninhinténin Bakary Soro, Koffi Siméon Kouadio, Seiny Roger N’Dri, Ali Sanou, Albert Trokourey

“…Our analyses revealed that these clays are primarily composed of kaolinite, quartz, illite, and goethite. In addition, to enhance the properties of the clay, sodium ions were successfully incorporated into clays, resulting in higher sodium content and an increased specific surface area. …”
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Fabrication of composite ceramic polymeric membranes for agricultural wastewater treatment by Neamatalla M. Azzam, Sahar S. Ali, Gehad G. Mohamed, Mohamed M. Omar, Shereen K. Amin

“…A ceramic supporting (CS) filter constructed from ball clay, kaolin, feldspar, and quartz using corn starch flour as a pore-developing agent. …”
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MINERALOGICAL FEATURES AND PHYSICOCHEMICAL FORMATION CONDITIONS OF VEIN MINERALIZATION OF THE SOUTHERN FLANK OF THE SAF´YANOVKA MASSIVE SULFIDE DEPOSIT (CENTRAL URALS) by N.P. Safina, A.V. Korovko, I.A. Blinov, N.N. Ankusheva, M.A. Rassomakhin, K.A. Filippova

“…The sulfide veins include sphalerite-galena and sphaleritepyrite-chalcopyrite types, in which sulfides are associated with gypsum, carbonates, barite or quartz. Fluorite in host rocks is closely related to carbonates (dolomite, calcite, and siderite), kaolinite and magnesiocarpholite. …”
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The Comparison of Chosen - Bonded with the Use of Classical and Dedicated for 3D Printing Furfuryl Binder - Molding Sands’ Properties as a Basis for Development a New Inorganic Sys... by D.M. Halejcio, K.A. Major-Gabryś

“…In 3D printing technology as the matrix, quartz sand is mainly used, with a grain size of 0.14-0.25 mm. …”
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Brittleness evaluation of main coal seams in Permian Taiyuan-Shanxi formations, Baode block, Ordos Basin: based on a convolutional neural network method by Qingfeng ZHANG, Ziling LI, Jikun ZHANG, Shuai HAO, Xiaoguang SUN, Yanjie SHANG, Yun ZUO

“…Differences in mineral composition affected rock brittleness. Higher quartz content was linearly correlated with greater elastic modulus and brittleness index.…”
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Analysis of geological characteristics and potential factors of formation damage in coalbed methane reservoir in Northern Qinshui basin by Hongjian Wu, Xiangwei Kong

“…The findings indicate that the mineral composition of the coal rock consists of 18.52% clay minerals, 34% quartz, and 8.98% calcite. Furthermore, hydrophilicity and natural fractures within the coal rock may lead to water-sensitivity, velocity- sensitivity, alkali- sensitivity, and acid- sensitivity damages to the coalbed methane reservoir. …”
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Effect of degassing on scaling in hypersaline system: Tuzla geothermal field, Turkey by Serhat Tonkul, Laurent André, Alper Baba, Mustafa M. Demir, Simona Regenspurg, Katrin Kieling

“…If a small quantity of precipitated minerals is predicted before the boiling point, degassing significantly changes the fluid chemistry, and the model predicts the deposition of calcite along with smaller elements including galena, barite, and quartz. The simulation results are consistent with the mineral composition of scaling collected in the well.…”
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Barium Sulfate Scale Removal at Low-Temperature by Hany Gamal, Saad Al-Afnan, Salaheldin Elkatatny, Mohamed Bahgat

“…The compositional analysis for scale samples showed that sample 1 is 100% barium sulfate where sample 2 has 97.75% barium sulfate and 2.25% of quartz. The composition of the developed dissolver has diethylenetriamine pentaacetic acid (DTPA) as a chelating agent, oxalic acid, and tannic acids as an activator, nonionic surfactant, and water as the base fluid. …”
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