Search Results - "Iacono–Marziano, Giada"
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Limestone assimilation by basaltic magmas: an experimental re-assessment and application to Italian volcanoes
Published in Contributions to mineralogy and petrology (01-06-2008)“…The results of an experimental study of limestone assimilation by hydrated basaltic magmas in the range 1,050–1,150°C, 0.1–500 MPa are reported. Alkali basalts…”
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2
The critical role of magma degassing in sulphide melt mobility and metal enrichment
Published in Nature communications (29-04-2022)“…Much of the world’s supply of battery metals and platinum group elements (PGE) comes from sulphide ore bodies formed in ancient sub-volcanic magma plumbing…”
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3
A revised oxygen barometry in sulfide-saturated magmas and application to the Permian magmatic Ni–Cu deposits in the southern Central Asian Orogenic Belt
Published in Mineralium deposita (01-08-2018)“…Oxygen fugacity is a key parameter in controlling the petrogenesis of mafic-ultramafic rocks and their associated sulfide mineralization, especially in…”
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4
Limestone assimilation and the origin of CO2 emissions at the alban Hills (Central Italy) : Constraints from experimental petrology
Published in Journal of volcanology and geothermal research (01-10-2007)“…The Alban Hills volcanic region (20 km south of Rome, in the Roman Province) emitted a large volume of potassic magmas (> 280 km3) during the Quaternary…”
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5
Equilibrium and disequilibrium degassing of a phonolitic melt (Vesuvius AD 79 “white pumice”) simulated by decompression experiments
Published in Journal of volcanology and geothermal research (15-03-2007)“…Equilibrium and disequilibrium degassing of a volatile phase from a magma of K-phonolitic composition was investigated to assess its behavior upon ascent…”
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6
Carbon isotope fractionation between CO2 and carbon in silicate melts at high temperature
Published in Geochimica et cosmochimica acta (01-09-2024)“…The isotopic fractionation of carbon between CO2 gas and silicate melts is a crucial parameter to understand the carbon cycle at the planetary scale that…”
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7
Carbonatite Melts and Electrical Conductivity in the Asthenosphere
Published in Science (American Association for the Advancement of Science) (28-11-2008)“…Electrically conductive regions in Earth's mantle have been interpreted to reflect the presence of either silicate melt or water dissolved in olivine. On the…”
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A window in the course of alkaline magma differentiation conducive to immiscible REE-rich carbonatites
Published in Geochimica et cosmochimica acta (01-08-2020)“…Rare earth element (REE) enrichments in carbonatites are often described as resulting from late magmatic-hydrothermal or supergene processes. However, magmatic…”
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9
Petrogenesis of zoned and unzoned mafic pegmatites: An insight from the Palaeoproterozoic mafic-ultramafic Hamn intrusion, Northern Norway
Published in Lithos (01-11-2022)“…Mafic pegmatites have been reported from various geological environments, including ophiolites, layered magmatic intrusions, and volcanic arcs, but their…”
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10
Geochemical evidence for mixing between fluids exsolved at different depths in the magmatic system of Mt Etna (Italy)
Published in Geochimica et cosmochimica acta (01-05-2012)“…A 4-year geochemical survey of some fumaroles at the Voragine summit crater of Mt Etna was performed in combination with synchronous monitoring of peripheral…”
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11
An experimental study of the effect of water and chlorine on plagioclase nucleation and growth in mafic magmas: application to mafic pegmatites
Published in European journal of mineralogy (Stuttgart) (13-12-2023)“…In this study, the effects of H2O and Cl on the grain size and nucleation delay of plagioclase in basaltic magma were investigated using dynamic and…”
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12
The H2O solubility of alkali basaltic melts: an experimental study
Published in Contributions to mineralogy and petrology (01-07-2011)“…Experiments were conducted to determine the water solubility of alkali basalts from Etna, Stromboli and Vesuvius volcanoes, Italy. The basaltic melts were…”
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13
A new set of standards for in–situ measurement of bromine abundances in natural silicate glasses: Application to SR-XRF, LA-ICP-MS and SIMS techniques
Published in Chemical geology (05-03-2017)“…Measuring the low bromine abundances in Earth's materials remains an important challenge in order to constrain the geodynamical cycle of this element. Suitable…”
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14
Fluid inclusions in magmatic ilmenite record degassing in basic magmas
Published in Communications earth & environment (25-10-2024)“…Magmatic volatile phases play a major role in igneous systems, but indirect sampling of the magmatic fluid, especially for basic magmas, remains challenging to…”
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15
The molecular structure of melts along the carbonatite–kimberlite–basalt compositional joint: CO 2 and polymerisation
Published in Earth and planetary science letters (01-01-2016)Get full text
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16
Timescales of bubble coalescence, outgassing, and foam collapse in decompressed rhyolitic melts
Published in Earth and planetary science letters (15-02-2015)“…The timescale of degassing and outgassing in hydrous rhyolitic melts is investigated in a wide range of conditions by means of decompression experiments. The…”
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New experimental data and semi-empirical parameterization of H2O–CO2 solubility in mafic melts
Published in Geochimica et cosmochimica acta (15-11-2012)“…We present here new experimental data on H2O–CO2 solubility in mafic melts with variable chemical compositions (alkali basalt, lamproite and kamafugite) that…”
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18
Redox controls during magma ocean degassing
Published in Earth and planetary science letters (01-01-2022)“…•A magma ocean degassing code to calculate the composition of the outgassed atmosphere.•Oxygen fugacity, volatile contents and size of the magma ocean are…”
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The redox geodynamics linking basalts and their mantle sources through space and time
Published in Chemical geology (15-12-2015)“…The Earth's mantle redox state regulates the fate and transfer of metals by magmatism, buffers the igneous inputs of volcanic gases in the atmosphere and…”
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20
High-temperature alteration during cooling of mafic intrusions: Insights from the Saint-Jean-du-Doigt intrusive complex (Armorican Massif, France)
Published in Lithos (01-01-2023)“…We characterize the alteration of the Saint-Jean-du-Doigt mafic-dominated, bimodal intrusive complex in the Armorican Massif by means of petrographic…”
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