Results 41 to 50 of about 20,814 (259)

A Regularly Interstratified Chlorite/Vermiculite in a Talc-Chlorite Vein [PDF]

open access: yesMemoirs of the Faculty of Science, Kyūsyū University. Series D, Geology, 1981
A regularly interstratified chlorite/vermiculite was found at the surface of an outcrop of talc-chlorite vein which developed in a serpentinite body at Torika, Saipi-Cho, Nagasaki Prefecture, Japan. The regularly interstratified chlorite/vermiculite, which is regarded as a weathering product of Al-poor Mg-chlorite with IIb polytype on the basis of its ...
openaire   +1 more source

The Clay Minerals in the Soils of the Gypseous Belt of Barbastro, NE Spain

open access: yesLand
This article examines the clay mineralogy of twelve representative soils developed from gypsum-rich parent materials on several geomorphic positions. These soils were classified as Haploxerept, plus one profile as Humixerept and another as Xerorthent ...
Juan Herrero   +2 more
doaj   +1 more source

(Table 5) Representative chlorite and chlorite-smectite analyses of ODP Holes 137-504B and 140-504B [PDF]

open access: yes, 1995
(Table 5) Representative chlorite and chlorite-smectite analyses of ODP Holes 137-504B and 140 ...
Alt, Jeffrey C   +7 more
core   +1 more source

Production of paper from rose wastes

open access: yesTurkish Journal of Forestry, 2019
The main ingredient of paper production is cellulose fibers. Usually produced from wood fibers and annual plants. In this study it was investigated usability of waste rose pulps (Rosa Damascena Mill.) which have environmental risk in Isparta province as
Fatma BEKDAŞ, Mustafa KARABOYACI
doaj   +1 more source

Weathering of Chlorite Illite Deposits in the Hyperarid Qaidam Basin: Implications to Post-Depositional Alteration on Martian Clay Minerals

open access: yesFrontiers in Astronomy and Space Sciences, 2022
Chlorite is the second-most common class of clay minerals on the Martian surface and has been found to coexist with illite in some regions. Although previous studies have paid much attention to the formation of this assemblage, the post-depositional ...
Yu Sun   +10 more
doaj   +1 more source

Mineral Chemistry of Chlorite Replacing Biotite from Granitic Rocks of the Canadian Appalachians [PDF]

open access: yesJournal of Sciences, Islamic Republic of Iran, 2009
Chlorite flakes, as a product of alteration of biotite, the dominant ferromagnesian mineral in the Paleozoic granitic rocks of the Canadian Appalachians, have been analyzed by electron microprobe for major elements and by 57Fe M?ssbauer spectroscopy for ...
A.A. Tabbakh Shabani
doaj  

Determination of Chlorine Dioxide and Chlorite in Water Supply Systems by Verified Methods

open access: yesSlovak Journal of Civil Engineering, 2014
This work is dedicated to the development and optimization of appropriate analytical methods for the determination of chlorine dioxide and chlorite in drinking water in order to obtain accurate and correct results in the quality control of drinking water.
Tkáčová Jana, Božíková Jarmila
doaj   +1 more source

Enhanced Mass Transport and Elevated Active Site Density for Highly Efficient Overall Water Splitting Over Delignification‐Engineered Carbonized Wood

open access: yesCarbon Energy, EarlyView.
Controlled delignification pretreatment tailors the hierarchical porous structure of wood to improve ion transport and create abundant anchoring sites for Ni/Ni(OH)2 catalysts. The optimized electrode shows enhanced mass transfer, increased active site density, and superior overall water‐splitting performance, demonstrating delignification as an ...
Ting He   +15 more
wiley   +1 more source

Evolução geoquímica e mineralógica em perfis de alteração sobre rochas serpentinizadas no sudoeste de Minas Gerais Geochemical and mineralogical evolution in alteration profiles on serpentinized rocks in southwestern Minas Gerais, Brazil

open access: yesRevista Brasileira de Ciência do Solo, 2007
Estudou-se a evolução geoquímica e mineralógica em três perfis distintos de alteração de rochas serpentinizadas que ocorrem nas imediações dos municípios de Alpinópolis e Fortaleza de Minas, no sudoeste do Estado de Minas Gerais, sob regimes de umidade e
Pablo Vidal-Torrado   +4 more
doaj   +1 more source

Surface hydration‐induced damage in tight oil‐bearing sandy conglomerate reservoirs

open access: yesDeep Underground Science and Engineering, EarlyView.
A series of techniques such as X‐ray diffraction, scanning electron microscopy, energy‐dispersive spectroscopy, conductivity tests, and infrared thermal imaging were used. The key findings are the identification of a two‐stage surface hydration process and the elucidation of the effects of various minerals and elements on the hydration process ...
Anbang Zhao   +5 more
wiley   +1 more source

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