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Geophagic clays: their mineralogy, chemistry and possible human health effects
Geophagic clays their mineralogy chemistry possible human health effects
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2012/3/14
Geophagic clays: their mineralogy, chemistry and possible human health effects.
Groundwaters of Mt. Vulture volcano, southern Italy: Chemistry and sulfur isotope composition of dissolved sulfate
Mt. Vulture volcano water-rock interaction silicate weathering hydrogeochemistry sulfur isotope composition
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2017/8/9
We report the chemical composition of groundwaters—including the first data on the sulfur isotopic composition of dissolved sulfate—from the volcanic aquifers of Mt. Vulture, one of the most important...
Effect of organic matrices on the determination of the trace element chemistry (Mg, Sr, Mg/Ca, Sr/Ca) of aragonitic bivalve shells (Arctica islandica) —Comparison of ICP-OES and LA-ICP-MS data
trace elements bivalve shell organics LA-ICP-MS ICP-OES sclerochronology
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2017/8/9
The element chemistry of biogenic carbonates can provide important data on past environments. However, the Sr/Ca and Mg/Ca ratios as well as the Mg and Sr concentrations of biological carbonates, espe...
Journal of Radioanalytical and Nuclear Chemistry, 2005–2009: a citation-based bibliography and impact analysis using Hirsch-type statistics
Nuclear Chemistry bibliography Hirsch-type statistics
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2011/11/11
All papers published in the Journal of Radioanalytical and Nuclear Chemistry (JRNC) in the period 2005–2009 (source dataset) and all papers citing these papers and published in other journals (target ...
Ree Chemistry of Arid Zone Calcrete Profiles-A Case Study From The Thar Desert, India
Arid Zone Calcrete India Ree Chemistry
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2009/7/8
Calcrete is the widely prevalent duricrust associated with the weathering profiles of the Thar desert. The studies on REE behaviour within different weathering horizons of calcrete profiles, have rev...
Calcretized Ferricretes Around the Jaisalmer Area, Thar Desert, India: Their Chemistry, Mineralogy, Micromorphology and Genesis
ferricrete calcrete micromorphology inversion of relief Thar Desert
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2009/7/7
Ferricrete, an iron duricrust, caps Tertiary and Mesozoic rocks around Jaisalmer in the Indian desert. These ferricretes are associated with two distinct present-day landforms. The upper unit is a hi...
Whole Rock and Mineral Chemistry of Ultramafic-mafic Cumulates from the Orhaneli (Bursa) Ophiolite, NW Anatolia
Mantle-crust transition zone mafic-ultramafic cumulates magmatic recycling magma chamber crystallization order SSZ-type ophiolite Turkey
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2009/7/7
The Orhaneli ophiolite, situated in the western part of the İzmir-Ankara-Erzincan Suture Zone (İAESZ) and south of Bursa, exposes cumulates belonging to the mantle-crust transition zone. The...
The Crystal Structure and Chemistry of Several Palygorskite Samples with Different Geneses
Palygorskite Crystal Structure
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2011/11/4
The structure, chemical composition, and properties of palygorskites from several deposits in the Russian Federation, Ukraine, Uzbekistan, and Slovakia have been investigated by transmission electron ...
The Surface Chemistry of Imogolite
Adsorption Basic Stern Model Bond Valence Chloride Imogolite Point-of-Zero Charge Surface Charge
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2011/12/2
Abstract: Imogolite is a tubular aluminosilicate which is common in Andosols and Spodosols. The high pH at point-of-zero charge at the outer parts of the tube and the anomalously high chloride adsorpt...
Mechanisms and Crystal Chemistry of Oxidation in Annite: Resolving the Hydrogen-Loss and Vacancy Reactions
Annite Biotite Crystal Chemistry Differential Thermal Analysis Ferrioxyannite Gas Chromatography Mossbauer Spectroscopy
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2011/12/5
Abstract: A synthetic octahedral-site-vacancy-free annite sample and its progressive oxidation, induced by heating in air, were studied by powder X-ray diffraction (pXRD), Mössbauer spectroscopy,...
Structural Chemistry of Fe, Mn, and Ni in Synthetic Hematites as Determined by Extended X-Ray Absorption Fine Structure Spectroscopy
EXAFS Fe Oxides Hematite Metal Substitution Trace Elements XAS XRD
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2011/12/6
Abstract: The incorporation of transition metals into hematite may limit the aqueous concentration and bioavailabity of several important nutrients and toxic heavy metals. Before predicting how hemati...
Eocene and Oligocene Otay-Type Waxy Bentonites of San Diego County and Baja California: Chemistry, Mineralogy, Petrology and Plate Tectonic Implications
Chemistry Mineralogy Otay Bentonite Plate Tectonics Volcanism Waxy Bentonite
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2011/12/2
Abstract: Otay-type waxy bentonites of San Diego County are illite-smectite (I-S) with 85% dioctahedral smectite mixed with dioctahedral illite showing a Reichweite of 0. Primary or secondary waxy ben...
Fe,Mg,Mn-bearing phosphates in the GRA 95209 meteorite: Occurrences and mineral chemistry
Fe,Mg,Mn-bearing phosphates GRA95209 meteorite Occurrences mineral chemistry
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2012/4/1
Two large regions of Fe,Mg,Mn-bearing phosphates, together with metal and various silicate phases,
have been observed in the GRA 95209 meteorite (a primitive achondrite belonging to the acapulcoite(R...
Diogenites as asteroidal cumulates: Insights from spinel chemistry
asteroidal cumulates spinel chemistry orthopyroxene
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2012/3/31
The chemical composition of spinel was determined for a suite of 19 diogenites (orthopyroxenites)
thought to be from asteroid 4 Vesta. Previous studies (Fowler et al. 1994, 1995) of orthopyroxene
de...
Comparative high-pressure crystal chemistry of karrooite, MgTi2O5, with different ordering states
high-pressure different ordering states
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2012/3/30
Twokarrooitecrystals,onewithadisorderparameter(X TicontentintheM1site)
of0.070(5)andtheotherwith X 0.485(5),weremountedtogetherinonediamond-anvil
cellandstudiedbysingle-crystalX-raydiffractionatseve...