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Process Optimization for Madhuca indica Seed Kernel Oil Extraction and Evaluation of its Potential for Biodiesel Production
Published 2024-12-01Subjects: “…solvent extraction, cu@dolomite, madhuca indica oil, response surface methodology, biodiesel…”
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Porosity Evolution of the Early Cretaceous, Qamchuqa Formation in northeastern part, Iraq
Published 2025-01-01Subjects: “…Key words: Qamchuqa Formation, Porosity evolution, vuggy pores, intercrystal dolomite pores, microfracturs pores…”
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UNCONVENTIONAL TECHNIQUE USED TO MANUFACTURE POROUS HIGH-STRENGTH GLASS FOAM
Published 2021-12-01Subjects: “…high-strength glass foam, glass waste, kaolin clay, dolomite, microwave heating, low specific energy consumption…”
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EFFECT OF ULTRASOUND ACTIVATION OF SHS-CHARGE ON THE FINAL PRODUCT
Published 2016-04-01Subjects: “…ultrasound activation, refractory materials, dolomite, self-propagating high-temperature synthesis, x-ray investigation, synthesis product…”
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Micro- and Nanoscale Pore Structure Characterization of Carbonates from the Xiaoerbulake Formation in the Tarim Basin, Northwest China
Published 2021-01-01“…The results demonstrate that the lithologies are micritic dolomites, fine-to-medium-to-coarse crystalline dolomites, microbial dolomites, and dolarenite. …”
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The Influence of Petrography on the Relief of Bistriţei Mountains (The Eastern Carpathians)
Published 2024-12-01“…In the south, slender hills appear, due to the presence of dolomites and limestones, whose hardness exceeds that of the metamorphic rocks surrounding them. …”
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Diagenetic Processes and Reservoir Heterogeneity in Salt-Encased Microbial Carbonate Reservoirs (Late Neoproterozoic, Oman)
Published 2019-01-01“…A common problem in dolomite reservoirs is the heterogeneous distribution of porosity-reducing diagenetic phases. …”
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The Middle to Late Triassic of Central Saudi Arabia with emphasis on the Jilh Formation. Part II: sequence stratigraphy, depositional and structural history, correlations and paleo...
Published 2023-07-01“…The ages of subsurface lithostratigraphic units identified elsewhere across the Arabian Plate, notably the “Jilh, Sefidar and Marker Dolomites”, “Jilh Evaporite” (sometimes “Carnian Salinity Crisis”) and the incertae sedis Baluti Formation, and their equivalence in the Saudi Arabian outcrops, are assessed in the light of these results. …”
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Diagenetic Modifications and Reservoir Heterogeneity Associated with Magmatic Intrusions in the Devonian Khyber Limestone, Peshawar Basin, NW Pakistan
Published 2021-01-01“…II (7.7-10.5%; 0.8-2.5 mD) and dolomitic marble (6.6-14.7%; 8.2-13.3 mD) is linked to intercrystalline porosity and retainment of fracture porosity in dolomitic marble. …”
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Evaluating the effects of Melastoma malabathricum and Dicranopteris linearis as amendments for acid sulfate soil
Published 2025-06-01“…Additionally, both plant materials consistently enhanced soil exchangeable K across all addition rates by up to an order of magnitude compared with dolomite (end value 52.87 – 174.53 mg kg−1 vs. 17.49 – 25.79 mg kg−1). …”
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31
Sedimentary architecture of the microbial mound–shoal complex: a case study of the Ediacaran Dengying Formation, Sichuan Basin, China
Published 2025-01-01“…Research indicates that MMSC primarily develops five lithofacies, namely, thrombolitic dolomite, undulate stromatolitic dolomite, laminar stromatolitic dolomite, granular dolomite, and micritic dolomite. …”
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Origin and Distribution of Carbonate Cement in Tight Sandstones: The Upper Triassic Yanchang Formation Chang 8 Oil Layer in West Ordos Basin, China
Published 2017-01-01“…Two generations of carbonate cement as Type I (microcrystalline calcite and dolomite) and Type II (mainly Fe-calcite and Fe-dolomite) are recognized in Chang 8 sandstones, Ordos basin. …”
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Weathering products in glacial silt and clay: Using automated mineralogy to probe size distribution and source
Published 2025-12-01“…Other minor differences between rock and sediment include a change from dolomite to a more Fe-rich dolomite, an increase in the dolomite content on the edge of calcite grains, an increase in kaolinite with sodic plagioclase, an increase in laumontite with calcic plagioclase, and an increase in talc with pyroxene. …”
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Mineralogical Characteristics of Phosphate Tailings for Comprehensive Utilization
Published 2021-01-01“…The main gangue minerals are quartz, dolomite, calcite, a small amount of potassium feldspar, plagioclase, chlorite, etc. …”
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RESERVOIR CHARACTERIZATION OF THE CHELA FORMATION OF THE NSIAMFUMU AND LIAWENDA FIELDS IN THE ONSHORE COASTAL BASIN, D.R. CONGO
Published 2024-07-01“…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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Hydrogeochemical Assessment and Identification of Controlling Factors of Chemical Composition of Spring Waters in Alashtar Plain, Lorestan Province
Published 2021-12-01“…Calculation of the saturation index showed that all samples are undersaturated with respect to anhydrite, aragonite, calcite, dolomite, gypsum, and CO2. Besides, the saturation index of water samples for calcite and aragonite is greater than anhydrite, dolomite, and gypsum. …”
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Faunistic survey of terrestrial isopods (Isopoda: Oniscidea) in the Boč Massif area
Published 2014-06-01“… In 2005, terrestrial isopods were sampled in the Boč Massif area, eastern Slovenia, and their fauna compared at five different sampling sites: forest on dolomite, forest on limestone, thermophilous forest, young stage forest and extensive meadow. …”
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Carbonate Chemistry and Isotope Characteristics of Groundwater of Ljubljansko Polje and Ljubljansko Barje Aquifers in Slovenia
Published 2013-01-01“…Four groups of groundwater were identified: (1) Ljubljansko polje aquifer, with higher Ca2+ values, as limestone predominates in its recharge area, (2) northern part of Ljubljansko Barje aquifer, with prevailing dolomite in its recharge area, (3) central part of Ljubljansko Barje aquifer, which lies below surface cover of impermeable clay and is poor in carbonate, and (4) Brest and Iški vršaj aquifer in the southern part of Ljubljansko Barje with higher Mg2+ in groundwater and dolomite prevailing in its recharge area. …”
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Dedolomitization Potential of Fluids from Gypsum-to-Anhydrite Conversion: Mass Balance Constraints from the Late Permian Zechstein-2-Carbonates in NW Germany
Published 2018-01-01“…Carbonate reservoir quality is primarily controlled by mineralogy, with dolomite representing moderate-to-good porosities and calcite commonly representing low porosities. …”
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Experiment of Carbonate Dissolution: Implication for High Quality Carbonate Reservoir Formation in Deep and Ultradeep Basins
Published 2017-01-01“…In the open system, the dissolution weight loss of calcite was higher than that of dolomite with 0.3% CO2 as the reaction fluid. In the semiopen system, the weight loss from dolomitic limestone prevailed with 0.3% CO2 as the reaction fluid. …”
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