Rheological weakening of olivine + orthopyroxene aggregates due to phase mixing, Part2: Microstructural development
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Geophysical Research"
DOI: 10.1002/2017jb014311
Abstract: To understand the processes involved in phase mixing during deformation and the resulting changes in rheological behavior, we conducted torsion experiments on samples of iron-rich olivine plus orthopyroxene. The experiments were conducted at a temperature,… read more here.
Keywords: rheological weakening; olivine pyroxene; microstructural development; pyroxene ... See more keywords
High‐precision in situ silicon isotopic analyses by multi‐collector secondary ion mass spectrometry in olivine and low‐calcium pyroxene
Sign Up to like & getrecommendations! Published in 2019 at "Rapid Communications in Mass Spectrometry"
DOI: 10.1002/rcm.8508
Abstract: Rationale: High-precision determination of silicon isotopes can be achieved by in situ multi-collector secondary ion mass spectrometry. The analyses accuracy is however sensitive to ion yields and instrumental mass fractionations (IMFs) induced by the analytical… read more here.
Keywords: pyroxene; silicon; mass spectrometry; ion ... See more keywords
Extent and survival of zoned pyroxene within intrusions hosting magmatic sulfides: Implications for zoned pyroxene as a prospectivity indicator
Sign Up to like & getrecommendations! Published in 2024 at "Mineralium Deposita"
DOI: 10.1007/s00126-024-01292-1
Abstract: Chromium-zoning patterns in pyroxene from the economically significant Ni-Cu sulfide deposits at Nova-Bollinger (Western Australia) and Kevitsa (Northern Finland) were investigated using XRF mapping, automated mineralogy, and EPMA analyses. At Nova-Bollinger, complex Cr-zoning patterns are… read more here.
Keywords: zoned pyroxene; pyroxene; prospectivity indicator; extent ... See more keywords
The effect of excimer laser irradiation on mid-IR spectra of mineral mixtures for remote sensing
Sign Up to like & getrecommendations! Published in 2021 at "Earth and Planetary Science Letters"
DOI: 10.1016/j.epsl.2021.117072
Abstract: Abstract We examined the influence of micrometeorite bombardment simulated with an excimer laser, which irradiated mixtures of minerals with an energy density between 1.9 J/cm2 and 3.3 J/cm2. As starting material for the mixtures, we… read more here.
Keywords: excimer laser; mid; pyroxene; mid spectra ... See more keywords
Characterization of anhydrous to hydrous paragenetic sequence from pyroxene-bearing and pyroxene-absent variants of the late Carboniferous Baobei pluton in west Junggar of China
Sign Up to like & getrecommendations! Published in 2018 at "Gondwana Research"
DOI: 10.1016/j.gr.2018.05.010
Abstract: Abstract The Baobei pluton in west Junggar, composed of an earlier pyroxene-bearing granitoid and a variety of later pyroxene-absent hornblende–biotite-bearing granitoids (quartz diorite, granodiorite, monzogranite), intrudes early Carboniferous volcano–sedimentary rocks. Zircons separated from the granodiorite… read more here.
Keywords: west junggar; pyroxene absent; pyroxene; pluton ... See more keywords
Intermediate Infrared Spectroscopy of Pyroxene: Determination of Ca‐Mg‐Fe Composition in the 4–8 Micron Wavelength Range
Sign Up to like & getrecommendations! Published in 2023 at "Earth and Space Science"
DOI: 10.1029/2023ea002828
Abstract: Although pyroxene has been detected remotely across the Solar System, limited information is available from infrared remote sensing about the Mg‐Fe composition of pyroxene, and distinguishing between augite (20 < CaSiO3 < 45) and diopside‐hedenbergite… read more here.
Keywords: spectroscopy; composition; determination; pyroxene ... See more keywords
Hydrous shear zones are sites of melt transfer in the lower arc crust: A case study from Fiordland, New Zealand
Sign Up to like & getrecommendations! Published in 2024 at "Journal of Metamorphic Geology"
DOI: 10.1111/jmg.12788
Abstract: Recent studies of the Cretaceous lower arc crust exposed in Fiordland, New Zealand, conclude that shear zones are sites of melt migration and mass transfer through the deep crust. Here, we investigate the 4–10 km‐wide… read more here.
Keywords: shear zones; arc crust; shear zone; pyroxene ... See more keywords
Shock-induced P-T conditions and formation mechanism of akimotoite-pyroxene glass assemblages in the Grove Mountains (GRV) 052082 (L6) meteorite
Sign Up to like & getrecommendations! Published in 2017 at "American Mineralogist"
DOI: 10.2138/am-2017-5905
Abstract: Abstract Akimotoite [(Mg,Fe)SiO3-ilmenite] was encountered in shock-induced melt veins of Grove Mountains (GRV) 052082, a highly equilibrated low iron ordinary chondritic meteorite (L6). Coexistence of ringwoodite, majorite, and majorite-pyrope solid solution indicates the shock pressure… read more here.
Keywords: akimotoite pyroxene; glass assemblages; pyroxene; pyroxene glass ... See more keywords
Determination of the oxidation state of iron in calcic pyroxene using the electron microprobe flank method
Sign Up to like & getrecommendations! Published in 2025 at "American Mineralogist"
DOI: 10.2138/am-2024-9467
Abstract: Abstract Pyroxene is an important carrier of ferric iron in basalt and the upper mantle. Understanding the influence of pyroxene crystallization on the oxygen fugacity of magma relies on accurate knowledge of the oxidation state… read more here.
Keywords: method; iron; pyroxene; oxidation state ... See more keywords
Geological, Geochemical, and Mineralogical Constraints on the Genesis of the Polymetallic Pb-Zn-Rich Nuocang Skarn Deposit, Western Gangdese, Tibet
Sign Up to like & getrecommendations! Published in 2020 at "Minerals"
DOI: 10.3390/min10100839
Abstract: The Nuocang Pb-Zn deposit is a newly discovered polymetallic skarn deposit in the southern Lhasa subterrane, western Gangdese, Tibet. The skarn occurs at the contact between the limestone of Angjie Formation and the Linzizong volcanic… read more here.
Keywords: pyroxene; garnet; skarn deposit; deposit ... See more keywords