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Petrographic Characterization and Derivation of Sedimentary Environments and Coal Use from Petrographic Composition: Morupule, Mmamabula, and Mabesekwa Coalfields, Botswana
The Ecca equivalent coal deposits in the Morupule, Mmamabula, and Mabesekwa coalfields exist within the Kalahari Karoo Basin of the Karoo Super...
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Petrographic and physico-mechanical interdependence of carbonate rocks of Deoban Formation (Lesser Himalaya), Garhwal Himalaya, India
Carbonate rocks encompass about 15% of the exposed sedimentary sequences on the Earth. The Lesser and the Tethyan Himalayan units are sedimentary...
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Evaluation of physico-mechanical properties with petrographic characteristics of Hisartepe volcanic rocks (Söke-western Anatolia) based on alteration indices
This study reveals the petrographic and geochemical characteristics, physico-mechanical properties, and chemical alteration indices of Hisartepe...
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Weathering effects on granitic rocks in North Pakistan: petrographic insights, strength classifications, and construction suitability
In this study, rock samples from various tectonic domains of North Pakistan are assessed in terms of their physical, mechanical, and petrographic...
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On weathering understanding and its characterization by petrographic indices: a study case about the criterion establishment for the textural classification of rock-forming minerals under weathering
Several studies have addressed the elaboration of petrographic indices, applicability, and their execution in the characterization of weathering...
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Slake durability evaluation of granitic rocks under dry conditions and slaking solution and its prediction using petrographic and strength characteristics
AbstractIn this paper, eight samples of different granitic rocks were selected from the Borujerd area in Lorestan Province, western Iran....
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Hybrid Fuzzy-Based Modeling of Shear Strength Parameters of Rocks Using Petrographic Properties
Mohr–Coulomb failure criterion is vastly employed to understand the risk of collapse of the highly stressed boreholes in oil and gas industries. It...
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Predicting geomechanical, abrasivity, and drillability properties in some igneous rocks using fabric features and petrographic indexes
In this study, we have established and demonstrated the relationships between petrographic and fabric features of igneous rocks and their engineering...
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Integrating geospatial and petrographic modeling approach for the discovery of Sulphide-Deposits potential at the El-Kid Region in Egypt
Predictive modelling of sulphide-deposits potential is challenging work in mountainous regions such as Wadi El-Kid, due to complex structures, rugged...
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The Influence of Petrographic Properties on Mechanical Characteristics and the Durability of the Greenschist Subjected to Simulated Weathering Tests
Despite the wide use of greenschists as a building stone, few studies have been conducted on their resistance to both physical and chemical...
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Estimation of Brittleness Indexes from Petrographic Characteristics of Different Sandstone Types (Cenozoic and Mesozoic Sandstones), Markazi Province, Iran
As a mechanical property of rock materials, brittleness is a critical parameter for risk analysis of rock explosion and stability of borehole-wall in...
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Classification of igneous rocks from petrographic thin section images using convolutional neural network
Rock classification from petrographic thin section analysis often requires expertise in mineralogy. This study developed a deep learning approach...
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Petrographic characterization and diagenetic impact on Bhuban Sandstone of Surma Group, Aizawl, Mizoram: implications for provenance, tectonic setting, and reservoir quality
The detailed petrographic study of Bhuban Sandstones belonging to the Surma Group has been carried out to determine various sedimentological aspects,...
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Petrographic and organic geochemical studies of the Oligocene-Pliocene mud-rich formations, East Mediterranean concession, Egypt
Nineteen ditch samples and rock–eval pyrolysis data taken from Wakar-1 well of Wakar Field and PFM-SE-1 well of Port-Fouad-Marine Field selected for...
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A study of geochemical and petrographic characteristics of Eocene coal from Bapung coalfield, East Jaintia Hills, Meghalaya, North East India
The Bapung coalfield in the East Jaintia Hills of Meghalaya was studied in order to know the physicochemical character and depositional environment...
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Evaluation of weathering and alteration effects by rock change value (RCV) and weathering indices of volcanic rocks in the Şile Region (NW Turkey)
This study investigated the weathering progress and its effects on the physico-mechanical properties of andesitic rocks in the Şile Region (NW...
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Geochemical and mineralogical analysis of the Upper Cretaceous dolomitic phosphates at Queih Mine, Quseir, Central Eastern Desert, Egypt: depositional environment implications and pollution indices
Soon for the security of phosphorus world supply, which comes primarily from non-renewable sources, the moderate carbonate phosphates will need...
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Predicting the Strength of Granitic Stones after Freeze–Thaw Cycles: Considering the Petrographic Characteristics and a New Approach Using Petro-Mechanical Parameter
The strength of stones is a determining factor for evaluating their durability after freeze–thaw (F–T) phenomenon in cold regions. In this study, a...
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Petrographic and geochemical attributes of Oligocene Barail sandstones in parts of Cachar Fold Belt, northeast India
The Oligocene Barail sandstones in parts of Cachar Fold Belt, northeast India have been studied to understand their tectonic provenance,...
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Hydrocarbon generative potential and thermal maturity of newly discovered coal seams from Bapung Coalfield, Meghalaya, India: Rock-Eval pyrolysis and organic petrographic analysis
The present study systematically investigates a newly discovered coal seam in Bapung Coalfield, Meghalaya, on eighteen samples to determine the...
