Results 51 to 60 of about 12,854 (250)
Serpentine minerals, either polymorphs or polytypes (mostly chrysotile, lizardite and antigorite), are hardly distinguished in ophiolitic serpentinites and serpentinized peridotite unless sophisticated mineralogical tools are applied.
Mohamed Th. S. Heikal +2 more
doaj +1 more source
Near-Infrared Spectroscopy Study of Serpentine Minerals and Assignment of the OH Group
Three different kinds of serpentine mineral samples were investigated using Fourier transform near-infrared spectroscopy (FTNIR). The results show that there are obvious differences in the characteristic infrared spectra of the three serpentine group ...
Shaokun Wu +5 more
doaj +1 more source
Simultaneous precipitation of magnesite and lizardite from hydrothermal alteration of olivine under high-carbonate alkalinity [PDF]
13 pagesInternational audienceThe present study reports original experiments in order to investigate the simultaneous serpentinization and carbonation of olivine with relevance in Earth systems (e.g.
Chiriac, Rodica +5 more
core +3 more sources
Abstract Diachronous ferromagnetic (sensu lato) mineral populations are often juxtaposed on micrometer‐to‐millimeter scales. This poses significant challenges for extracting reliable paleomagnetic information because standard methods measure bulk magnetic moments and cannot distinguish between magnetic minerals with overlapping demagnetization spectra.
Liang Qi +6 more
wiley +1 more source
The present review summarizes the results of several follow-up studies assessing an asbestos product manufacturing plant in Chongqing, China, and discusses three controversial issues related to the carcinogenicity of asbestos.
Eiji Yano
doaj +1 more source
Offsetting of CO₂ emissions by air capture in mine tailings at the Mount Keith Nickel Mine, Western Australia: Rates, controls and prospects for carbon neutral mining [PDF]
The hydrated Mg-carbonate mineral, hydromagnesite [Mg₅(CO₃)₄(OH)₂•4H₂O], precipitates within mine tailings at the Mount Keith Nickel Mine, Western Australia as a direct result of mining operations.
Barker, Shaun L.L. +8 more
core +2 more sources
The Haber Bosch Catalyst from Solid state Chemistry to Mesotechnology
A comprehensive, multi‐scale, multi‐modal study of the structural diversity of a technical multi‐promoted Haber Bosch catalyst for ammonia synthesis is provided. The different contributions of ammonia Fe are revealed and the presence of cement phases that have yet not been incorporated into discussions on the function of this catalyst system is shown ...
Kassiogé Dembélé +20 more
wiley +1 more source
Biodurability is one of the main determinants of asbestos hazardousness for human health. Very little is known about the actual persistence of asbestos in lungs and its clearance, nor about differences in this regard between the different mineralogical ...
Silvia D. Visonà +12 more
doaj +1 more source
Chemiluminescence of asbestos-activated macrophages [PDF]
Chemiluminescence, a measure of reactive oxygen release by phagocytes, was compared in peritoneal exudate macrophages elicited with chrysotile asbestos, Corynebacterium parvum and saline. Chrysotile asbestos- and C.
Cullen, R T, Donaldson, Ken
core +1 more source
Archaeometric Analyses of Medieval Pottery from the Lower Danube Region, Romania
This study is about the pottery manufacturing in the Lower Danube region during the Early Medieval period (8th–10th c. AD). Optical microscopy, Particle induced X‐ray emission, and X‐ray diffraction analyses performed on 32 representative ceramic shards excavated at Pantelimonu de Sus, Constanţa County, Romania, provide clues on the raw materials and ...
Constantin Haită +3 more
wiley +1 more source

