Zobrazeno 1 - 5
of 5
pro vyhledávání: '"Mohammed Laïd Mechri"'
Publikováno v:
Arabian Journal of Geosciences. 14
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bf7bd2bb95b3946813ab595b6458084f
https://doi.org/10.1007/s12517-021-08303-9
https://doi.org/10.1007/s12517-021-08303-9
Publikováno v:
Journal of African Earth Sciences. 125:18-26
XRD patterns and FTIR spectra have shown that dunes sand of Ouargla's region, in its natural state, is formed of a high percentage of quartz, gypsum and very low percentage of kaolinite and hematite, in addition to some organic compounds. The electri
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::cbc1d131b07a041d3925e554e585b4ad
https://doi.org/10.1016/j.jafrearsci.2016.10.007
https://doi.org/10.1016/j.jafrearsci.2016.10.007
Publikováno v:
Silicon. 9:211-221
In the present work, a manually chromatic classification of Ouargla dunes sand has been carried out. According to its visual color, eight chromatic types of sand have been obtained: transparent (yellow, orange and red), and opaque (white, milky, gray
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1ad0b0ca4c8bad850d81f40858874c01
https://doi.org/10.1007/s12633-016-9432-x
https://doi.org/10.1007/s12633-016-9432-x
Publikováno v:
Silicon. 9:933-941
The spectra of x-ray diffraction (XRD) and infrared spectroscopy (FTIR) shows that the dunes sand of Ouargla’s region consists naturally of crystalline structures of α-quartz and gypsum, as well as other uncrystallized compounds with low concentra
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4b3001c4a71c6ebcc48aee111f16c68c
https://doi.org/10.1007/s12633-015-9368-6
https://doi.org/10.1007/s12633-015-9368-6
Publikováno v:
Silicon. 9:603-611
In this paper, it is shown that Ouargla region (Algeria) sand dunes are very rich in quartz. This study aims to assess the quartz in the different granular sand types, using XRD spectroscopy. Granulometric classification and the size distribution cur
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f54ee304d170539e95fbc7b1ae57ef92
https://doi.org/10.1007/s12633-015-9324-5
https://doi.org/10.1007/s12633-015-9324-5