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1301
The Relationship between the Slope Hill and Bedrock with Some Soil Properties
Published 2023-08-01“…Also, the variables of calcium carbonate percentage and saturated conductivity at 5% level had significant differences in different slopes. …”
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Study on Hydrogeochemical Characteristics of Deeply Buried Mining Area in Inner Mongolia-Shaanxi Province, China
Published 2022-04-01“…The deep aquifer is affected by the Anding Formation relative impermeable layer and has weak recharge runoff condition. The salinity of Jurassic water is generally >3500 mg/L due to long-term water-rock action. …”
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1304
Petrogenesis and Geochronology of A<sub>1</sub>-Type Rhyolites in the Late Late Triassic of the East Kunlun Orogenic Belt: Constraints on the End of the Paleo-Tethys Orogenic Event
Published 2023-02-01“…The rhyolites are peraluminous and are high-K calc-alkaline, with high contents of SiO<sub>2</sub>, K<sub>2</sub>O, TFe<sub>2</sub>O<sub>3</sub>, and low P<sub>2</sub>O<sub>5</sub> contents. The A/CNK ratios range from 0.97 to 1.09, indicating that the rhyolites are metaluminous to weakly peraluminous. …”
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1305
Petrográfica y Geoquímica de la dolomía hospedante de una mineralización de Zn y Pb. Puesto Gregor, Neuquén, Argentina Petrography and geochemistry of a Zn- Pb mineralization hoste...
Published 2008-07-01“…The latter dolomite presents well developed crystals (> 5 mm); they are translucent with pink color and pearl shine and have crystal faces that look like a pavement and is referred as "saddle" dolomite according to Radke and Mathis (1980). …”
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Petrography, Mineral Chemistry and Geothermobarometry of Andalusite- Bearing Schists North of Azna (Northern Sanandaj-Sirjan Zone, Iran)
Published 2016-07-01“…The instrument is equipped with five wavelength dispersive spectrometers. The beam current and acceleration voltage were 15 nA and 15 kV, respectively. …”
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Geometric properties, petrography, geochemistry and tectonic setting of columnar andesites of Goorid quarry rubble mine, west of Sarbisheh city (South Khorasan)
Published 2022-10-01“…IntroductionIn the Goorid quarry rubble mine 5km west of Sarbisheh city (Southern Khorasan) outcrops of andesitic lavas with columnar structures exist and from the view of geological subdivisions, located in the eastern part of the Lut block. …”
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1310
Stratigraphy and reconstruction of the sedimentary environment of the Dalichai and Lar formations in the Yengejeh section (southeast of Zanjan)
Published 2023-01-01“…The Lar Formation is the youngest formation in this area that has been covered by the Quaternary sediments. Five lithofacies have been identified based on field and microscopic studies: 1- Pelloidal packstone with intraclasts, 2- Pellet/oncoid wackestone/packstone, 3- Mudstone with Thalassinoides, 4- Bositra buchi pelagic packstone and 5- Pelagic mudstone that shows basin and outer ramp as depositional environments for the Dalichai and Lar formations in this section. …”
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1311
Evidence for magma mixing/mingling process in the plutonic intrusive bodies of Qorveh (Kurdistan Province): with emphasis on textural and geochemical characteristics
Published 2023-04-01“…The Qorveh batholith, in the N-Sanandaj-Sirjan Zone, comprises several gabbroic, dioritic and granitic masses intruded the Jurassic metamorphic assemblage (i.e., schist, amphibolite and marble). …”
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Investigating the tectonomagmatic origin of tourmaline in the felsic dikes of the Deh-Salm Metamorphic Complex, East of Lut block
Published 2022-10-01“…Also, five metamorphic phases, from D1 to D5, have been identified in the region, subjected to the existing tectonic units with different intensities and quality (Arefnejad, 2010; Bahramnejad, 2015).Materials and MethodsFor mineralogical and petrological studies, 50 thin sections of the dykes were prepared and studied by a polarizing microscope. …”
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1313
Age and origin of leaf wax <span style="" class="text"><i>n</i>-alkanes</span> in fluvial sediment–paleosol sequences and implications for paleoenvironmental reconstructions
Published 2020-04-01“…The leaf wax <span class="inline-formula"><i>n</i></span>-alkanes from fluvial sediments show a dominance of deciduous trees and shrubs as well as grasses and herbs in different parts of the catchment between <span class="inline-formula">∼8</span> and <span class="inline-formula">∼5.6</span> ka cal BP. Since no older deciduous tree- or shrub-derived <span class="inline-formula"><i>n</i></span>-alkanes were dated, this seems to confirm a delayed regional postglacial reforestation of parts of the catchment compared with western and central Europe.…”
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Biostratigraphy of the Pabdeh Formation based on planktonic foraminifera in the Tang-e-Chogan section in Interior Fars, Zagros Basin
Published 2023-03-01“…Biozone 5 with a thickness of 163 meters Globigerina sp., Hantkenina sp., Hantkenina mexicana, Acarinina bullbrooki, Hantkenina longispina, Hantkenina alabamensis, Turborotalia cerroazulensis, Globigerina pseudoeocaena, Globigerina sp., Planorotalites pseudoscitula The biostratigraphy of the Pabdeh Formation in the Tang-e-Chogan section indicates five assemblage biozones of plankton foraminifera with the Early Eocene to Late Eocene age. …”
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Evolución paleoambiental de la formación Río Mayer, cretácico inferior, cuenca austral, provincia de Santa Cruz, Argentina
Published 2012-06-01“…To sum up, after the Upper Jurassic rifting stage of the Austral Basin, the Springhill Formation represents the initial infill of the extensional structures. …”
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1316
Fracture detection with azimuthal seismic data, rock physics, and geomechanics
Published 2023“…The azimuthal AVO demonstrated the possible existence of fractures within the Pimienta Formation in the study area according to the differences in the fast velocity (V_fast) and slow velocity (V_slow) and the Thomsen’s parameters, the fluid-filled fracture models through fluid substitution analysis in shale rocks demonstrated amplitude changes depending on the azimuth direction. …”
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Element ∕ Ca ratios in Nodosariida (Foraminifera) and their potential application for paleoenvironmental reconstructions
Published 2023-10-01“…To test the potential application of Nodosariata foraminifera as paleoproxies, we investigated incorporation of 5 elements in 11 species as a function of environmental parameters from a transect sampled in the Gulf of Mexico. …”
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Pb-Zn Deposits in Ruchun-Mazar Region, Kerman Province: Geology, Alteration and Mineralization
Published 2023-09-01“…Nonsulfide ores, which contain Zn, were identified (stained bright red) by Zinc Zap, a solution of 3% potassium ferricyanide K3Fe(CN)6 and 0.5% diethylaniline dissolved in 3% oxalic acid. …”
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