Primary and secondary sedimentary processes in debris-flow-dominated alluvial fan deposits within karstic setting: An example from the Middle Atlas-Sais foreland …

H El Asmi, L Gourari, M Benabbou, I El Yakouti… - Journal of African Earth …, 2023 - Elsevier
The transition between the Middle Atlas and the Sais Basin contains a sequence of alluvial
fans from the Plio-Quaternary period. These fans are mostly made up of debrites and are …

Volcanic geosites assessment in the Plio-Quaternary Azrou-Timahdite Plateau (Middle Atlas, Morocco)

K Baadi, A Amine, GZ Tefogoum, A Sabaoui… - Journal of African Earth …, 2021 - Elsevier
Abstract During the Plio-Quaternary, the Azrou-Timahdite Plateau (PAT), considered as “the
land of lakes and volcanoes”, was the region of alkaline volcanism associated with the …

Microtextural evolution of chrome spinels in dunites from Mayodia ophiolite complex, Arunachal Pradesh, India: Implications for a missing link in the “two-stage” …

S Roy, D Bandyopadhyay, T Morishita, A Dhar, M Koley… - Lithos, 2022 - Elsevier
Although occurring as an accessory phase in mafic-ultramafic rocks, the universal presence
of chrome spinel in ophiolitic settings bears importance in deciphering the tectonic setting of …

Chemical and structural variability in cubic spinel oxides

F Bosi - Acta Crystallographica Section B: Structural Science …, 2019 - journals.iucr.org
The empirical relations between cubic spinel oxides of different compositions were
investigated using data from 349 refined crystal structures. The results show that the spinel …

Geomorphological classification and landforms inventory of the Middle-Atlas volcanic Province (Morocco): Scientific value and educational potential

A Amine, IEEA El Hassani, T Remmal… - Quaestiones …, 2019 - sciendo.com
Through the tabular morphology of northwestern part of the Middle-Atlas in Morocco,
numerous uncovered monogenetic volcanoes arise structured of pyroclastic product layers …

Ultramafic xenoliths from Dama** (Hannuoba region, NE-China): Petrogenetic implications from crystal chemistry of pyroxenes, olivine and Cr-spinel and trace …

F Princivalle, A De Min, D Lenaz, M Scarbolo, A Zanetti - Lithos, 2014 - Elsevier
Olivine, orthopyroxene, clinopyroxene and spinel from 16 different lherzolite mantle
xenoliths from Dama** (Hannuoba region, NE-China) have been analyzed by X-ray …

Short wavelength lateral variability of lithospheric mantle beneath the Middle Atlas (Morocco) as recorded by mantle xenoliths

H El Messbahi, JL Bodinier, A Vauchez, JM Dautria… - Tectonophysics, 2015 - Elsevier
Abstract The Middle Atlas is a region where xenolith-bearing volcanism roughly coincides
with the maximum of lithospheric thinning beneath continental Morocco. It is therefore a key …

Multi-scale and multi-modal imaging study of mantle xenoliths and petrological implications

M Venier, L Ziberna, L Mancini, AP Kao… - American …, 2024 - degruyter.com
The accurate textural characterization of mantle xenoliths is one of the fundamental steps to
understanding the main processes occurring in the upper mantle, such as sub-solidus …

Oxidation degree of chromite from Indian ophiolites: a crystal chemical and 57Fe Mössbauer study

D Lenaz, GB Andreozzi, M Bidyananda… - Periodico di …, 2014 - rosa.uniroma1.it
Several samples of Cr-bearing spinel from Indian ophiolites have been studied by X-ray
single crystal diffraction and structure refinement, electron probe microanalyses and …

Equation of state of spinel (MgAl2O4): constraints on self-consistent thermodynamic parameters and implications for elastic geobarometry of peridotites and …

Y Hagiwara, RJ Angel, J Yamamoto… - Contributions to Mineralogy …, 2022 - Springer
Spinel is potentially one of the best minerals for elastic geobarometry, but the large
uncertainties in the published equation of state (EoS) of spinel prevent the application of …