Petrographic and mineralogical study of ophioliteic ultramafic rocks in Bait jawiish – Balloran in Al Bassit area: in north - west of Syria. by Moustafa Habib, Mahran Hamdan

“… The Petrographic study by polarized microscope  and mineralogical  study by scanning electron microscope for some samples of ophiolite ultramafic rocks in Bait Jawiish – Balloran in Al Bassit area have shown the diversity of Petrographic kinds of rocks, are  Dunite and two kinds of Peridotite (Harzburgite,Wehrlite), the dominout kind of olivine was forsterite, while the dominout kind of orthopyroxene was Hypersthene and that of clinopyroxene were Augite, Diopside, Diopside-  Enstatite.   …”
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Petrographic and mineralogical study of ophioliteic ultramafic rocks in Bait jawiish – Balloran in Al Bassit area: in north - west of Syria. by مصطفى حبيب, مهران حمدان

“… The Petrographic study by polarized microscope  and mineralogical  study by scanning electron microscope for some samples of ophiolite ultramafic rocks in Bait Jawiish – Balloran in Al Bassit area have shown the diversity of Petrographic kinds of rocks, are  Dunite and two kinds of Peridotite (Harzburgite,Wehrlite), the dominout kind of olivine was forsterite, while the dominout kind of orthopyroxene was Hypersthene and that of clinopyroxene were Augite, Diopside, Diopside-  Enstatite.   …”
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Artifacts from manganese reduction in rock samples prepared by focused ion beam (FIB) slicing for X-ray microspectroscopy by D. S. Macholdt, D. S. Macholdt, J.-D. Förster, J.-D. Förster, M. Müller, B. Weber, M. Kappl, A. L. D. Kilcoyne, M. Weigand, J. Leitner, K. P. Jochum, K. P. Jochum, C. Pöhlker, C. Pöhlker, M. O. Andreae, M. O. Andreae, M. O. Andreae

“…<p>The spatial distribution of transition metal valence states is of broad interest in the microanalysis of geological and environmental samples. An example is rock varnish, a natural manganese (Mn)-rich rock coating, whose genesis mechanism remains a subject of scientific debate. …”
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Automated Segmentation of Olivine Phenocrysts in a Volcanic Rock Thin Section Using a Fully Convolutional Neural Network by Artem Leichter, Renat R. Almeev, Dennis Wittich, Philipp Beckmann, Franz Rottensteiner, Francois Holtz, Monika Sester

“…In our study, we focus on the characterization of olivine in volcanic rocks, which is a phase that is often chemically zoned with variable Mg/(Mg + Fe) ratios, so-called magnesian number or mg#. …”
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<i>Katagnymene terrestris</i> sp. nov. (Gomontiellaceae, Cyanobacteria) Isolated from the Soil between Rocks in the Republic of Korea by Nam-Ju Lee, Do-Hyun Kim, Eun-Chan Yang, Ok-Min Lee

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Methodological Approach (In Situ and Laboratory) for the Characterisation of Late Prehistoric Rock Paintings—<i>Penedo Gordo</i> (NW Spain) by Jose Santiago Pozo-Antonio, Beatriz Comendador Rey, Lara Alves Bacelar, Pablo Barreiro

“…Moreover, colouring materials exhumed from the excavation and collected in the immediate surroundings of the rock outcrop were analysed in order to scrutinise the provenience rock art’s raw materials. …”
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Research on nonlinear damage hardening creep model of soft surrounding rock under the stress of deep coal resources mining by Jiaxing Zhou, Jiwei Zhang, Jinan Wang, Fei Li, Yong Zhou

“…Firstly, the electron microscope scanning test under different magnifications and a step loading creep test of deep soft rock were carried. the creep of the soft rock has the characteristics of ”sudden change”, and the propagation and combination of crystal particle cracks lead to the damage of rock mass, and the extrusion and dislocation movement of grains along the cavity hardens the rock mass. …”
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Changes of Physical and Mechanical Properties of Coral Reef Limestone under CO₂–Seawater–Rock Interaction by Yu Zhong, Qi Li, Ren Wang, Ting Yao

“…The solution was analyzed for dissolved Ca²⁺ concentration during the reaction, and the rock mass, effective volume (except for the volume of open pores), permeability, images from electron microscopy and X-ray microtomography were contrasted before and after immersion. …”
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Factor Analysis of XRF and XRPD Data on the Example of the Rocks of the Kontozero Carbonatite Complex (NW Russia). Part I: Algorithm by Ekaterina Fomina, Evgeniy Kozlov, Ayya Bazai

“…The factors extracted during FA were successfully mineralogically interpreted according to peak positions on the graphs of factor loadings. For the studied rock collection, this approach allowed us to identify more than 20 rock-forming minerals based only on XRPD data. …”
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Petrology, geothermobarometry and geochemistry of granulite facies wall rocks and hosting gneiss of gemstone deposits from the Mogok area (Myanmar) by Myint Myat Phyo, Leander Franz, Rolf L. Romer, Christian de Capitani, Walter A. Balmer, Michael S. Krzemnicki

“…The MMB is mainly composed of medium to high-grade metamorphic marble, calc-silicate rocks, gneiss, quartzite, peridotite and igneous rocks such as granite, syenite and gabbro. …”
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Evaluation of rock and fluid intermolecular interaction between asphaltene and sand minerals using electrochemical, analytical spectroscopy and microscopy techniques by Jaber Taheri-Shakib, Ali Esfandiarian, Mahyar Rajabi-Kochi, Ezzatallah Kazemzadeh, Mohammad Afkhami Karaei

“…Furthermore, the zeta potential was representative of electrostatic properties and surface charge alteration of the sand after these phenomena. Scanning electron microscopy with energy-dispersive X-ray (EDX) analysis also showed elemental mapping and dispersion of asphaltene particles on the rock surface. …”
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Petrographic and Petrophysical Characterization of Detrital Reservoir Rocks for CO2 Geological Storage (Utrillas and Escucha Sandstones, Northern Spain) by Félix Mateos-Redondo, Timea Kovács, Edgar Berrezueta

“…The aim of this article is to provide a qualitative and quantitative description of Lower&ndash;Upper Cretaceous detrital rocks (Escucha and Utrillas sandstones) in order to explore their potential use as CO2 reservoirs based on their petrographic and petrophysical characteristics. …”
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Superexchange-stabilized long-distance Cu sites in rock-salt-ordered double perovskite oxides for CO2 electromethanation by Jiawei Zhu, Yu Zhang, Zitao Chen, Zhenbao Zhang, Xuezeng Tian, Minghua Huang, Xuedong Bai, Xue Wang, Yongfa Zhu, Heqing Jiang

“…Here we report Cu-based rock-salt-ordered double perovskite oxides with superexchange-stabilized long-distance Cu sites for efficient and stable CO2-to-CH4 conversion. …”
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FEATURES OF MINERAL COMPOSITION OF LOW-PERMEABLE SILICEOUS-CLAY RESERVOIR ROCKS FROM THE BEREZOVSKAYA FORMATION IN THE NORTH OF WESTERN SIBERIA by Lyudmila G. Ananyeva, Alexandr A. Doroshenko, Sergey S. Ilenok, Yana O. Karymova, Michail V. Korovkin, Yulia A. Maksimova, Alexey V. Pesterev, Oleg N. Protsky, Olesya V. Savinova, Maria O. Khrushcheva

“…The rock structure reveals small pores filled with kaolinite and quartz, and individual grains of montmorillonite. …”
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Genetic aspects of barite mineralization related to rocks of the teschenite association in the Silesian Unit, Outer Western Carpathians, Czech Republic by Jirásek Jakub, Dolníček Zdeněk, Matýsek Dalibor, Urubek Tomáš

“…Barite is a relatively uncommon phase in vein and amygdule mineralizations hosted by igneous rocks of the teschenite association in the Silesian Unit (Western Carpathians). …”
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Changes in structural and chemical properties of rice husk biochar co-pyrolysed with Eppawala rock phosphate under different temperatures by D. K. R. P. L. Dissanayake, R. S. Dharmakeerthi, A. K. Karunarathna, W. S. Dandeniya

“…We hypothesised that addition of phosphate rock powder during the pyrolysis process will enhance structural and chemical properties of RHB. …”
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Influence and mechanism of printing materials on the mechanical properties of sand powder 3D printed weak rock-like materials by Lishuai JIANG, Xinzhe WANG, Qing XU, Jiarong XU, Guangsheng LIU

“…Based on sand powder 3D printing technology, this paper investigates the behavior and mechanisms of the effects of different types of sand powders and different binder saturation on the mechanical properties of weak rock-like specimens by means of mechanical tests, acoustic emission monitoring and electron microscopy scanning. …”
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Impact of rock fabric on flow unit characteristics in selected reservoir sandstones from West Baram Delta Offshore, Sarawak by I. Yusuf, E. Padmanabhan

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NEW DATA ON HIGH-CARBONACEOUS SHUNGIT-LIKE ROCKS OF MLYNKOVSKII AREA (KRIVOI ROG-KREMENCHUG ZONE, UKRAINIAN SHIELD) by Yatsenko V., Zaborovskaya L., Pokalyuk V., Lashko S., Zaborovsky V., Lyzhachenko N.

“…The paper presents the results of mineralogical, petrographic, electron microscopy, isotopic and X-ray structural studies of Paleoprotero-zoic high-carbon schungite-like rocks of the Mlynkivska area (Pravoberezhnyi district of the Kryvyi Rih-Kremenchuk structural formation zone). …”
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The Petrology and Geochemistry of REE-Enriched, Alkaline Volcanic Rocks of Ambitle Island, Feni Island Group, Papua New Guinea by Olive L. Ponyalou, Michael G. Petterson, Joseph O. Espi

“…The purpose of this study is to (1) present and interpret the petrographic, mineralogical, and geochemical data from Feni within the context of the tectonic evolution of the TLTF and (2) propose a geodynamic, petrogenetic model for the Feni volcanic rocks. The key methodologies used in this study are field mapping and sampling, petrographic analysis using the optical microscope, whole-rock geochemical analysis via XRF and ICP MS, and mineralogical analysis using an electron microprobe. …”
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