Search Results - "Fiorentini, Marco"

New Magmatic Oxybarometer Using Trace Elements in Zircon by Loucks, Robert R, Fiorentini, Marco L, Henríquez, Gonzalo J

“…Abstract We derive a novel method for determining the oxidation state of a magma as zircon crystallized, with a standard error of ±0·6 log unit ƒO2, using…”
Get full text

A metasomatized lithospheric mantle control on the metallogenic signature of post-subduction magmatism by Holwell, David A., Fiorentini, Marco, McDonald, Iain, Lu, Yongjun, Giuliani, Andrea, Smith, Daniel J., Keith, Manuel, Locmelis, Marek

“…Ore deposits are loci on Earth where energy and mass flux are greatly enhanced and focussed, acting as magnifying lenses into metal transport, fractionation…”
Get full text

Fluxing of mantle carbon as a physical agent for metallogenic fertilization of the crust by Blanks, Daryl E., Holwell, David A., Fiorentini, Marco L., Moroni, Marilena, Giuliani, Andrea, Tassara, Santiago, González-Jiménez, José M., Boyce, Adrian J., Ferrari, Elena

“…Magmatic systems play a crucial role in enriching the crust with volatiles and elements that reside primarily within the Earth’s mantle, including economically…”
Get full text

Mobilisation of deep crustal sulfide melts as a first order control on upper lithospheric metallogeny by Holwell, David A., Fiorentini, Marco L., Knott, Thomas R., McDonald, Iain, Blanks, Daryl E., Campbell McCuaig, T., Gorczyk, Weronika

“…Magmatic arcs are terrestrial environments where lithospheric cycling and recycling of metals and volatiles is enhanced. However, the first-order mechanism…”
Get full text

Atmospheric sulfur is recycled to the crystalline continental crust during supercontinent formation by LaFlamme, Crystal, Fiorentini, Marco L., Lindsay, Mark D., Bui, Thi Hao

“…The sulfur cycle across the lithosphere and the role of this volatile element in the metasomatism of the mantle at ancient cratonic boundaries are poorly…”
Get full text

Early zircon saturation in adakitic magmatic differentiation series and low Zr content of porphyry copper magmas by Loucks, Robert R., Fiorentini, Marco L.

“…Porphyry copper ore-forming magmas worldwide are chemically distinguished from ordinary arc granitoids by lower Zr and by higher Sr/Zr ratios at equivalent SiO…”
Get full text

Multiple sulfur isotopes monitor fluid evolution of an Archean orogenic gold deposit by LaFlamme, Crystal, Sugiono, Dennis, Thébaud, Nicolas, Caruso, Stefano, Fiorentini, Marco, Selvaraja, Vikraman, Jeon, Heejin, Voute, François, Martin, Laure

“…The evolution of a gold-bearing hydrothermal fluid from its source to the locus of gold deposition is complex as it experiences rapid changes in thermochemical…”
Get full text

Divergent T–ƒO2 paths during crystallisation of H2O-rich and H2O-poor magmas as recorded by Ce and U in zircon, with implications for TitaniQ and TitaniZ geothermometry by Loucks, Robert R., Fiorentini, Marco L., Rohrlach, Bruce D.

“…During solidification of magma chambers as systems closed to chemical exchange with environs, the residual siliceous melt may follow a trend of rising,…”
Get full text

Sulfur isotopes in Archaean crustal reservoirs constrain the transport and deposition mechanisms of nickel-sulfides in komatiites by Virnes, Anne B., Fiorentini, Marco L., Caruso, Stefano, Baublys, Kim, Masurel, Quentin, Thebaud, Nicolas

“…Assimilation and prolonged suspension of crust-derived sulfide liquid in komatiites are essential to form Ni-rich mineralisation. Evaluating the spatial…”
Get full text

Evaluation of Soil Management Effect on Crop Productivity and Vegetation Indices Accuracy in Mediterranean Cereal-Based Cropping Systems by Orsini, Roberto, Fiorentini, Marco, Zenobi, Stefano

“…Mostly, precision agriculture applications include the acquisition and elaboration of images, and it is fundamental to understand how farmers' practices, such…”
Get full text

Archean komatiite volcanism controlled by the evolution of early continents by Mole, David R., Fiorentini, Marco L., Thebaud, Nicolas, Cassidy, Kevin F., McCuaig, T. Campbell, Kirkland, Christopher L., Romano, Sandra S., Doublier, Michael P., Belousova, Elena A., Barnes, Stephen J., Miller, John

“…The generation and evolution of Earth’s continental crust has played a fundamental role in the development of the planet. Its formation modified the…”
Get full text

Nitrogen and chlorophyll status determination in durum wheat as influenced by fertilization and soil management: Preliminary results by Fiorentini, Marco, Zenobi, Stefano, Giorgini, Elisabetta, Basili, Danilo, Conti, Carla, Pro, Chiara, Monaci, Elga, Orsini, Roberto

“…Handheld chlorophyll meters as Soil Plant Analysis Development (SPAD) have proven to be useful tools for rapid, no-destructive assessment of chlorophyll and…”
Get full text

Zircon and monazite petrochronologic record of prolonged amphibolite to granulite facies metamorphism in the Ivrea-Verbano and Strona-Ceneri Zones, NW Italy by Guergouz, Celia, Martin, Laure, Vanderhaeghe, Olivier, Thébaud, Nicolas, Fiorentini, Marco

“…In order to improve the understanding of thermal-tectonic evolution of high-grade terranes, we conducted a systematic study of textures, REE content and U-Pb…”
Get full text

In situ multiple sulfur isotope analysis by SIMS of pyrite, chalcopyrite, pyrrhotite, and pentlandite to refine magmatic ore genetic models by LaFlamme, Crystal, Martin, Laure, Jeon, Heejin, Reddy, Steven M., Selvaraja, Vikraman, Caruso, Stefano, Bui, Thi Hao, Roberts, Malcolm P., Voute, Francois, Hagemann, Steffen, Wacey, David, Littman, Sten, Wing, Boswell, Fiorentini, Marco, Kilburn, Matthew R.

“…With growing interest in the application of in situ multiple sulfur isotope analysis to a variety of mineral systems, we report here the development of a suite…”
Get full text

Bushveld superplume drove Proterozoic magmatism and metallogenesis in Australia by Fiorentini, Marco L., O’Neill, Craig, Giuliani, Andrea, Choi, Eunjoo, Maas, Roland, Pirajno, Franco, Foley, Stephen

“…Large-scale mantle convective processes are commonly reflected in the emplacement of Large Igneous Provinces (LIPs). These are high-volume, short-duration…”
Get full text

Did diamond-bearing orangeites originate from MARID-veined peridotites in the lithospheric mantle? by Giuliani, Andrea, Phillips, David, Woodhead, Jon D., Kamenetsky, Vadim S., Fiorentini, Marco L., Maas, Roland, Soltys, Ashton, Armstrong, Richard A.

“…Kimberlites and orangeites (previously named Group-II kimberlites) are small-volume igneous rocks occurring in diatremes, sills and dykes. They are the main…”
Get full text

Sulfur Isotope Constraints on the Petrogenesis of the Kimberley Kimberlites by Angus Fitzpayne, Andrea Giuliani, Nivea Magalhães, Ashton Soltys, Marco L. Fiorentini, James Farquhar

“…Abstract Cretaceous kimberlites in southern Africa have been suggested to host deeply subducted material in their mantle sources based on radiogenic isotope…”
Get full text

Geochemical characterisation of rock hydration processes using t-SNE by Horrocks, Tom, Holden, Eun-Jung, Wedge, Daniel, Wijns, Chris, Fiorentini, Marco

“…Dimensionality reduction provides a simple, two-dimensional representation of multi-element geochemical assays, which facilitates visualisation of complex data…”
Get full text

Ruthenium in komatiitic chromite by Locmelis, Marek, Pearson, Norman J., Barnes, Stephen J., Fiorentini, Marco L.

“…The distinction between Ru in solid solution and Ru-bearing inclusions is essential for the predictive modeling of platinum-group element (PGE) geochemistry in…”
Get full text

Protracted and polyphased gold mineralisation in the Agnew District (Yilgarn Craton, Western Australia) by Thébaud, Nicolas, Sugiono, Dennis, LaFlamme, Crystal, Miller, John, Fisher, Louise, Voute, François, Tessalina, Svetlana, Sonntag, Iris, Fiorentini, Marco

“…•We compile field structural and paragenetic relationships from five gold deposits in the Agnew Gold Camp.•We present geochronology data acquired on magmatic…”
Get full text