Zobrazeno 1 - 10
of 30
pro vyhledávání: '"Yunlu Ma"'
Publikováno v:
Solid Earth Sciences, Vol 8, Iss 4, Pp 295-304 (2023)
Serpentines are geologically important minerals, and antigorite (Atg), lizardite (Lz) and chrysotile (Ctl) are the three key varieties. Their quick and accurate identification with micro-Raman spectroscopy requires to consider the effects of differen
Externí odkaz:
https://doaj.org/article/f8b3adc5f7304e279935fcc06d757979
Publikováno v:
Solid Earth Sciences, Vol 7, Iss 1, Pp 60-71 (2022)
Raman spectroscopy, an ideal technique to quantify the Mg–Al cation distribution on the tetrahedral T-sites and octahedral M-sites of MgAl2O4-spinel, was not calibrated before. By performing 16 annealing experiments on some MgAl2O4-spinel crystal p
Externí odkaz:
https://doaj.org/article/8e86c6fb1df845dba46c24a3a27f6e34
Publikováno v:
Solid Earth Sciences, Vol 4, Iss 2, Pp 43-65 (2019)
To better understand the partitioning of trace elements between spinels and silicate melts at high P, a series of experiments have been conducted in the system CaO–MgO–Al2O3–SiO2–K2O–CO2 at the P-T conditions of 3–6 GPa and 1500–1650 °
Externí odkaz:
https://doaj.org/article/205e2c1e7ce04902bf1f8200f07dc013
Publikováno v:
Molecules, Vol 26, Iss 4, p 872 (2021)
MgAl2O4-spinel has wide industrial and geological applications due to its special structural and physical–chemical features. It is presumably the most important endmember of complex natural spinel solid solutions, and therefore provides a structura
Externí odkaz:
https://doaj.org/article/8381a330c91440d180722a041476bc39
Publikováno v:
Geoscience Frontiers, Vol 12, Iss 2, Pp 1018-1030 (2021)
Carbonate-bearing fluids widely exist in different geological settings, and play important roles in transporting some elements such as the rare earth elements. They may be trapped as large or small fluid inclusions (with the size down to
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::95d7cf8b06f3caf3ba2cbfa5a5d3248e
https://doi.org/10.1016/j.gsf.2020.03.002
https://doi.org/10.1016/j.gsf.2020.03.002
Publikováno v:
Molecules, Vol 24, Iss 9, p 1704 (2019)
The MgAl2O4-spinel has wide applications in various industries and in geosciences. It shows a significant inter-site Mg-Al cation exchange (denoted by the inversion parameter x), which modifies structural features, such as the unit-cell parameters an
Externí odkaz:
https://doaj.org/article/4d19ec8172074c5ea3f03f34d98638a5
Autor:
Weidong Sun, Lifei Zhang, Wei Yan, Yunlu Ma, Christina Yan Wang, Mingyue He, Yanyao Zhang, Xi Liu
Publikováno v:
Geoscience Frontiers, Vol 12, Iss 1, Pp 313-326 (2021)
A series of coesite, coexisting with or without a liquid phase, was synthesized in the nominal system SiO2–H2O at 800–1450 °C and 5 GPa. Micro-Raman spectroscopy was used to identify the crystalline phase, electron microprobe and LA-ICP-MS
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d7ff3252e344417508b3db065f262994
http://www.sciencedirect.com/science/article/pii/S1674987120301262
http://www.sciencedirect.com/science/article/pii/S1674987120301262
Publikováno v:
Solid Earth Sciences, Vol 4, Iss 2, Pp 43-65 (2019)
To better understand the partitioning of trace elements between spinels and silicate melts at high P, a series of experiments have been conducted in the system CaO–MgO–Al2O3–SiO2–K2O–CO2 at the P-T conditions of 3–6 GPa and 1500–1650 °
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::bc380d16a39ed7e2d7ceb202066b1d4a
http://www.sciencedirect.com/science/article/pii/S2451912X19300169
http://www.sciencedirect.com/science/article/pii/S2451912X19300169
Publikováno v:
Minerals
Volume 10
Issue 6
Minerals, Vol 10, Iss 499, p 499 (2020)
Volume 10
Issue 6
Minerals, Vol 10, Iss 499, p 499 (2020)
Three batches of Mg2SiO4-ringwoodites (Mg-Rw) with different water contents (C-H2O = ~1019(238), 5500(229) and 16,307(1219) ppm) were synthesized by using conventional high-P experimental techniques. Thirteen thin sections with different thicknesses
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::852fb95f6a21bba9e059f4ebaba69765
Publikováno v:
Journal of Asian Earth Sciences. 148:315-323
Coesite (Coe) with grain size in the range of 30–80 μm has been synthesized at 5 GPa and 1600 °C for 12 h by using a cubic press. Its unpolarized single-crystal absorption infrared (IR) spectra show 14 IR bands in the range of ∼1200–650 cm−
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::80f5a35fa423510d1a804cd5306ebc71
https://doi.org/10.1016/j.jseaes.2017.03.016
https://doi.org/10.1016/j.jseaes.2017.03.016