Nanoparticles in various media on surfaces of ore deposits: Study of the more than 1000 m deep concealed Shaling gold deposit

M Lu, J Cao, X Liu, J Qiu - Ore Geology Reviews, 2021 - Elsevier
Surface nanoparticles in nature have become important research objects because they
contain information about the deep Earth. In this study, nanoparticles were analyzed via …

Raman modes in Pbca enstatite (Mg2Si2O6): an assignment by quantum mechanical calculation to interpret experimental results

C Stangarone, M Tribaudino… - Journal of Raman …, 2016 - Wiley Online Library
Raman spectra of orthoenstatite have been computed from first principles, employing the
hybrid Hamiltonian WC1LYP. The calculated data show excellent agreement with the …

Petrogenesis of the Ulungur intrusive complex, NW China, and implications for crustal generation and reworking in accretionary orogens

GJ Tang, Q Wang, DA Wyman, W Dan, L Ma… - Journal of …, 2020 - academic.oup.com
Accretionary orogens are characterized by voluminous juvenile components (recently
derived from the mantle) and knowing the origin (s) of such components is vital for …

Snapshots of primitive arc magma evolution recorded by clinopyroxene textural and compositional variations: The case of hybrid crystal-rich enclaves from Capo …

V Tecchiato, M Gaeta, S Mollo, O Bachmann… - American …, 2018 - degruyter.com
Abstract Capo Marargiu Volcanic District (CMVD) is an Oligo-Miocene calc-alkaline complex
located in northwestern Sardinia (Italy) and characterized by the widespread occurrence of …

Co2+-doped diopside: crystal structure and optical properties

C Gori, M Tribaudino, F Mezzadri, H Skogby… - Physics and Chemistry …, 2018 - Springer
Synthetic clinopyroxenes along the CaMgSi 2 O 6–CaCoSi 2 O 6 join were investigated by a
combined chemical-structural-spectroscopic approach. Single crystals were synthesized by …

The structure of P21/c (Ca0.2Co0.8)CoSi2O6 pyroxene and the C2/cP21/c phase transition in natural and synthetic Ca–Mg–Fe2+ pyroxenes

M Tribaudino, L Mantovani… - Mineralogical …, 2018 - pubs.geoscienceworld.org
ABSTRACT AP 21/c synthetic (Ca0. 2Co0. 8) CoSi2O6 pyroxene was synthesized by slow
cooling from melt at high pressure. Single crystals suitable for X-ray diffraction were …

Solid solution along the synthetic LiAlSi2O6-LiFeSi2O6 (spodumene-ferri-spodumene) join: A general picture of solid solutions, bond lengths, lattice strains, steric …

G Iezzi, GD Bromiley, A Cavallo… - American …, 2016 - pubs.geoscienceworld.org
Seven clinopyroxene compositions along the join M2LiM1AlTSi2O6 (spodumene) to
M2LiM1Fe3+ TSi2O6 (ferri-spodumene) were synthesized at 2 GPa, 800° C under highly …

Synthesis and crystal structure of C2/c Ca(Co,Mg)Si2O6 pyroxenes: effect of the cation substitution on cell volume

C Gori, M Tribaudino, L Mantovani… - Mineralogical …, 2017 - pubs.geoscienceworld.org
A series of clinopyroxenes along the CaMgSi2O6–CaCoSi2O6 join was synthesized by
quenching from melts at 1500° C and subsequent annealing at 1250° C (at 0.0001 GPa) …

A comprehensive study of the magnetic properties of the pyroxenes series CaMgSi2O6–Co2Si2O6 as a function of Co content

D Delmonte, C Gori, E Lambruschi… - Journal of Physics …, 2018 - iopscience.iop.org
We report a detailed study on the magnetic properties of the pyroxene series M2M1Si 2 O 6,
with M2= Ca and M1= Mg, where magnesium and then calcium are progressively …