[HTML][HTML] The continental Si cycle and its impact on the ocean Si isotope budget

PJ Frings, W Clymans, G Fontorbe, L Christina… - Chemical …, 2016 - Elsevier
The silicon isotope composition of biogenic silica (δ 30 Si BSi) in the ocean is a function of
the δ 30 Si of the available dissolved Si (DSi; H 2 SiO 4), the degree of utilisation of the …

A review of the stable isotope bio-geochemistry of the global silicon cycle and its associated trace elements

JN Sutton, L André, D Cardinal, DJ Conley… - Frontiers in Earth …, 2018 - frontiersin.org
Silicon (Si) is the second most abundant element in the Earth's crust and is an important
nutrient in the ocean. The global Si cycle plays a critical role in regulating primary …

[HTML][HTML] Silicon isotopes and continental weathering processes: Assessing controls on Si transfer to the ocean

S Opfergelt, P Delmelle - Comptes Rendus Geoscience, 2012 - Elsevier
Knowledge of the weathering processes controlling continental transfer of dissolved silicon
(DSi) to the ocean is fundamental to the estimate of the long-term atmospheric CO2-budget …

Improved in situ Sr isotopic analysis by a 257 nm femtosecond laser in combination with the addition of nitrogen for geological minerals

W Zhang, Z Hu, Y Liu, T Wu, X Deng, J Guo, H Zhao - Chemical Geology, 2018 - Elsevier
In situ Sr isotope analysis of geological materials by laser ablation multiple collector-
inductively coupled plasma mass spectrometry (LA-MC-ICP-MS) is a powerful tracer …

Si cycling in a forest biogeosystem–the importance of transient state biogenic Si pools

M Sommer, H Jochheim, A Höhn, J Breuer… - …, 2013 - bg.copernicus.org
The relevance of biological Si cycling for dissolved silica (DSi) export from terrestrial
biogeosystems is still in debate. Even in systems showing a high content of weatherable …

Probing surface Earth reactive silica cycling using stable Si isotopes: Mass balance, fluxes, and deep time implications

S Rahman, EJ Trower - Science Advances, 2023 - science.org
Geological reservoir δ30Si values have increasingly been applied as paleoclimate and
paleoproductivity proxies. Many of these applications rely on the assumption that the surface …

Silicon isotope geochemistry

F Poitrasson - Reviews in Mineralogy and Geochemistry, 2017 - pubs.geoscienceworld.org
In contrast to many other stable isotopes of the elements discussed in this book, those of
silicon are not strictly speaking “Non-Traditional Stable Isotopes” because they have been …

Femtosecond (fs) lasers coupled with modern ICP-MS instruments provide new and improved potential for in situ elemental and isotopic analyses in the geosciences

ME Shaheen, JE Gagnon, BJ Fryer - Chemical Geology, 2012 - Elsevier
Laser ablation inductively coupled plasma mass spectrometry (LA-ICP-MS) has been
successfully applied for multi-element and isotopic analyses in a wide variety of solid …

The silicon isotope composition of the upper continental crust

PS Savage, RB Georg, HM Williams… - … et Cosmochimica Acta, 2013 - Elsevier
The upper continental crust (UCC) is the major source of silicon (Si) to the oceans and yet its
isotopic composition is not well constrained. In an effort to investigate the degree of …

High temperature silicon isotope geochemistry

PS Savage, RMG Armytage, RB Georg, AN Halliday - Lithos, 2014 - Elsevier
Silicon (Si) is the defining element of silicate reservoirs yet, despite its dominance in major
Earth processes, there is still no clear understanding of how much is hosted in Earth's core …