Calcium isotopes in the global biogeochemical Ca cycle: Implications for development of a Ca isotope proxy

MS Fantle, ET Tipper - Earth-Science Reviews, 2014 - Elsevier
At the Earth's surface, calcium (Ca) is a critical element at a variety of scales: it is soluble in
natural waters, a biological nutrient, and a major constituent of the dominant mineral sink for …

Reviews and syntheses: Biological weathering and its consequences at different spatial levels–from nanoscale to global scale

RD Finlay, S Mahmood, N Rosenstock… - …, 2020 - bg.copernicus.org
Plant nutrients can be recycled through microbial decomposition of organic matter but
replacement of base cations and phosphorus, lost through harvesting of biomass/biofuels or …

Isotope fractionation in silicate melts by thermal diffusion

F Huang, P Chakraborty, CC Lundstrom, C Holmden… - Nature, 2010 - nature.com
The phenomenon of thermal diffusion (mass diffusion driven by a temperature gradient,
known as the Ludwig–Soret effect,) has been investigated for over 150 years, but an …

Calcium isotopic fractionation in mantle peridotites by melting and metasomatism and Ca isotope composition of the Bulk Silicate Earth

JT Kang, DA Ionov, F Liu, CL Zhang, AV Golovin… - Earth and Planetary …, 2017 - Elsevier
To better constrain the Ca isotopic composition of the Bulk Silicate Earth (BSE) and explore
the Ca isotope fractionation in the mantle, we determined the Ca isotopic composition of 28 …

Stable isotope fractionation of metals and metalloids in plants: a review

M Wiggenhauser, RET Moore, P Wang… - Frontiers in plant …, 2022 - frontiersin.org
This work critically reviews stable isotope fractionation of essential (B, Mg, K, Ca, Fe, Ni, Cu,
Zn, Mo), beneficial (Si), and non-essential (Cd, Tl) metals and metalloids in plants. The …

[HTML][HTML] Silicate versus carbonate weathering in Iceland: New insights from Ca isotopes

AD Jacobson, MG Andrews, GO Lehn… - Earth and Planetary …, 2015 - Elsevier
Several studies have measured riverine fluxes of Ca and carbonate alkalinity in Iceland with
the aim of quantifying the role of basalt weathering in the long-term carbon cycle. A major …

Global variability of chromium isotopes in seawater demonstrated by Pacific, Atlantic, and Arctic Ocean samples

K Scheiderich, M Amini, C Holmden… - Earth and Planetary …, 2015 - Elsevier
Seawater chromium (Cr) isotope and concentration data are presented from multiple sites in
the Arctic Ocean, and three locations in the Atlantic and Pacific Oceans. A 2400-m profile …

Experimental determination of magnesium isotope fractionation during higher plant growth

EB Bolou-Bi, A Poszwa, C Leyval, N Vigier - Geochimica et Cosmochimica …, 2010 - Elsevier
Two higher plant species (rye grass and clover) were cultivated under laboratory conditions
on two substrates (solution, phlogopite) in order to constrain the corresponding Mg isotope …

[PDF][PDF] Modeling novel stable isotope ratios in the weathering zone

J Bouchez, F Von Blanckenburg… - American Journal of …, 2013 - gfzpublic.gfz-potsdam.de
When rock is converted to weathering products, the involved processes can be fingerprinted
using the stable isotope ratios of metals (for example Li, Mg, Ca, Fe, Sr) and metalloids (B …

Ca and Sr isotope compositions of rainwater from Guiyang city, Southwest China: Implication for the sources of atmospheric aerosols and their seasonal variations

G Han, Z Song, Y Tang, Q Wu, Z Wang - Atmospheric Environment, 2019 - Elsevier
Rainwater samples collected from Guiyang city in southwestern China between May 2009
and December 2010 were analyzed to measure their calcium and strontium isotope …