Results 31 to 40 of about 33,494 (250)
Mineralogy and Petrology of an Olivine Diabase Sill Complex and Associated Unusually Potassic Granophyres, Sierra Ancha, Central Arizona [PDF]
, 1969 The Precambrian Sierra Ancha sill complex, 700 to 800 feet thick, was intruded into flat-lying sedimentary rocks of the Apache Group in central Arizona. The bulk of the complex consists of a central layer of feldspathic olivine-rich diabase and upper and
Smith, Douglas
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The structure and cryptic layering of the Pados-Tundra ultramafic complex, Serpentinite belt, Kola Peninsula, Russia [PDF]
Bulletin of the Geological Society of Finland, 2017 The Paleoproterozoic Pados-Tundra ultramafic complex, ~6 x 1.5-2.1 km in size and ~2.1 Ga in age, located in the Kola Peninsula of Russia, is the main representative of the Serpentinite belt in the northern Fennoscandian Shield.
A.Y. Barkov, A.A. Nikiforov, R.F. Martin
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Extrinsic and intrinsic strength of amorphous olivine films [PDF]
European Journal of MineralogyNanoscale amorphous olivine (a-olivine) intracrystalline layers, which can form in olivine polycrystals under high stress, has the potential to influence the mechanical properties of the rock in the vicinity of the brittle–ductile transition.
J. Jarnot +6 more
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Ecotoxicology and Environmental SafetyGigaton scale atmospheric carbon dioxide (CO2) removal (CDR) is needed to keep global warming below 1.5 °C. Coastal enhanced olivine weathering is a CDR technique that could be implemented in coastal management programmes, but its CO2 sequestration ...
Gunter Flipkens +5 more
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Oxidation during magma mixing recorded by symplectites at Kusatsu–Shirane Volcano, Central Japan
Earth, Planets and Space, 2020 Kusatsu–Shirane Volcano is an active Quaternary andesitic-to-dacitic volcano located in the Central Japan Arc. We conducted a detailed petrological investigation of orthopyroxene (opx)–magnetite (mt) symplectites associated with olivine in the Sessho ...
Kenta Ueki +4 more
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Oxygen Isotopes and Volatiles in Martian Meteorite [PDF]
, 2013 Oxygen isotopes were measured in mineral separates from martian meteorites using laser fluorination and were found to be remarkably uniform in both δ18O and Δ17O, suggesting that martian magmas did not assimilate aqueously altered crust regardless of any
Channon, Melanie Beth
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Oxygen Isotopic Compositions of San Carlos Olivine Standard NMNH 111312–42
Applied SciencesSan Carlos olivine geostandard developed by Gene Jarosewich and co-workers at the Smithsonian Institution, named NMNH 111312–44, was the most widespread olivine geostandard used in olivine oxygen isotopic determination.
Kezhen Qu, Hongjie Wu, Guo-Qiang Tang
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Orbital Observations Suggest Decoupled Olivine and Carbonate Enrichments in Jezero Crater
Geophysical Research LettersIt has been hypothesized that the olivine‐ and carbonate‐bearing units within Jezero crater are part of the broader olivine‐carbonate rock unit found in the Nili Fossae region.
Cheng Ye +4 more
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Геодинамика и тектонофизикаThe paper presents the results of studies of daughter olivine within secondary melt inclusions marking healed cracks in olivine macrocrysts from unserpentinized kimberlite from the Udachnaya-East pipe.
A. A. Tarasov, A. V. Golovin
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Spectral Deconvolution Analysis of Mafic Mineral in Irregular Mare Patches on the Moon
Journal of Astronomy and Space Sciences, 2022 Irregular mare patches (IMPs), recently discovered on the Moon, are eruptions of magma on the lunar surface, and their origins are still in question. While prior studies on IMPs have mainly focused on optical image analysis, in this study, an analysis ...
Ik-Seon Hong, Yu Yi, Nuri Park
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