Zobrazeno 1 - 10
of 164
pro vyhledávání: '"Nacrite"'
Autor:
Kathleen M. Wooton, Steven J. Jaret, Randall R. Parrish, Antonio Lanzirotti, E. Troy Rasbury, Brent A. Elliott, Gavin Piccione, Alvin S. Acerbo, J. Richard Kyle, Paul Northrup
Publikováno v:
Piccione, G, Rasbury, E T, Elliott, B A, Kyle, J R, Jaret, S J, Acerbo, A S, Lanzirotti, A, Northrup, P, Wooton, K & Parrish, R 2019, ' Vein fluorite U-Pb dating demonstrates post-6.2 ma rare-earth element mobilization associated with Rio Grande rifting ', Geosphere, vol. 15, no. 6, pp. 1958-1972 . https://doi.org/10.1130/GES02139.1
Numerous studies have documented rare-earth element (REE) mobility in hydrothermal and metamorphic fluids, but the processes and timing of REE mobility are rarely well constrained. The Round Top laccolith in the Trans-Pecos magmatic province of west
Autor:
Duck Young Kim, Aaron J. Celestian, Jin-Hyuk Choi, Yongjae Lee, Yu He, Huijeong Hwang, Zhenxian Liu, Thomas Vogt
Publikováno v:
ACS Earth and Space Chemistry. 4:183-188
Pressure-induced hydration of the clay mineral nacrite, Al2Si2O5(OH)4 is, in contrast to its polymorph kaolinite, partially irreversible. At ambient conditions after pressure release, a majority ph...
Publikováno v:
Ore Geology Reviews
Ore Geology Reviews, Elsevier, 2020, 120, pp.103445. ⟨10.1016/j.oregeorev.2020.103445⟩
Ore Geology Reviews, 2020, 120, pp.103445. ⟨10.1016/j.oregeorev.2020.103445⟩
Ore Geology Reviews, Elsevier, 2020, 120, pp.103445. ⟨10.1016/j.oregeorev.2020.103445⟩
Ore Geology Reviews, 2020, 120, pp.103445. ⟨10.1016/j.oregeorev.2020.103445⟩
International audience; Several kaolinite occurrences of economic interest have been reported in Europe and are usually interpreted as resulting from weathering during the Paleogene tropical climate. However, a hydrothermal contribution is also recog
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c84cf6e8f58fbb1776d5dcb79442b56f
https://hal.archives-ouvertes.fr/hal-02961226
https://hal.archives-ouvertes.fr/hal-02961226
Autor:
Yasin Ozay, Nadir Dizge, Pelin Guler, Bahar Ozbey Unal, Mohamed Boussemghoune, Mustapha Chikhi
Publikováno v:
Symmetry, Vol 12, Iss 770, p 770 (2020)
Symmetry
Volume 12
Issue 5
Symmetry
Volume 12
Issue 5
In this study, we investigated the effect of different organic binders on the morphologic structure of ceramic membrane support. Natural raw clay material (kaolin) was used as the main mineral for ceramic membrane support. The physical and chemical p
Adsorption of toluene on various natural soils: Influences of soil properties, mechanisms, and model
Publikováno v:
The Science of the total environment. 740
This study investigated toluene adsorption on natural soils. The linear partition model was found to represent the adsorption isotherm well (R2 = 0.958–0.994), compared with the Freundlich model (R2 = 0.901–0.991). Therefore, the coefficient, Kd,
Publikováno v:
Applied Clay Science. 161:326-333
Kaolinite content of 10 raw Florida clays examined in this study was determined to be in the range of 70 to 90 mass %. This kaolinite content is sufficiently high for production of a potentially reactive pozzolanic material. The majority of the clays
Publikováno v:
Digital.CSIC. Repositorio Institucional del CSIC
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In this work, the effect of heating rate and mechanical activation on the reaction of kaolin and aluminium powder was investigated. A batch comprised of 89.5 wt% kaolin and 10.5 wt% aluminium powders was mixed and milled in a planetary ball-mill for
Publikováno v:
Geosciences Journal. 22:777-791
Mineralogy and geochemistry of Nos.1, 9 and 10 coals in the Lingshi Deposit, Qinshui Basin, China, are investigated in this paper, using industrial analysis, total sulfur and forms of sulfur analyses, optical microscope, scanning electron microscope
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