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searching for Δ34S 15 found (35 total)

alternate case: δ34S

Isotopes of sulfur (718 words) [view diff] exact match in snippet view article find links to article

the δ34S values of co-genetic minerals. The differences between minerals can be used to estimate the temperature of equilibration. The δ13C and δ34S of

Komatii Formation (229 words) [view diff] exact match in snippet view article find links to article

tholeiites from the Komati Formation were analyzed for sulfur and provided δ34S values between −0.7 and 5.2 ‰. The Komatii Formation comprises metamorphosed

Euxinia (6,621 words) [view diff] exact match in snippet view article find links to article

known as the Canfield ocean, a model backed by the increase in presence of δ34S in sedimentary pyrite and the discovery of evidence of the first sulfate

Marine biogeochemical cycles (10,775 words) [view diff] exact match in snippet view article find links to article

systematics expressed as δ34S. The modern global oceans have sulfur storage of 1.3 × 1021 g, mainly occurring as sulfate with the δ34S value of +21‰. The overall

Marcasite (1,139 words) [view diff] exact match in snippet view article find links to article

iron sulfidization at the onset of OAE-2 drive regional shifts in pyrite δ34S records". Chemical Geology. 553: 119808. Bibcode:2020ChGeo.55319808B. doi:10

Toarcian Oceanic Anoxic Event (11,601 words) [view diff] exact match in snippet view article find links to article

in the northwestern Tethys Ocean during the TOAE, as shown by a positive δ34S excursion in carbonate-associated sulphate occurs synchronously with the

Crustal recycling (1,753 words) [view diff] exact match in snippet view article find links to article

the magmas at depth as being derived from dewatering slab material. The δ34S isotopic signatures of magmas have also been used to measure the degree of

Pongola glaciation (601 words) [view diff] exact match in snippet view article find links to article

The Pongola glaciation is also associated with changes in sulfur isotopes (δ34S), suggesting that this may also involve early and short-lived oxygenation

Rochechouart impact structure (3,253 words) [view diff] exact match in snippet view article find links to article

and Lee M.R. (2017). "Evidence for an impact-induced biosphere from the δ34S signature of sulphides in the Rochechouart impact structure, France". Earth

Kliti Grice (1,409 words) [view diff] exact match in snippet view article find links to article

world's second dedicated sulfur-CSIA facility (GC-ICPMS), which measures δ34S of organosulfur compounds. WA-OIGC now also includes a state-of-the-art paleogenomics

Eocene (11,044 words) [view diff] exact match in snippet view article find links to article

Turchyn, Alexandra V.; Adkins, Jess F. (13 August 2018). "Cenozoic record of δ34S in foraminiferal calcite implies an early Eocene shift to deep-ocean sulfide

Tuber magnatum (2,245 words) [view diff] exact match in snippet view article find links to article

ecosystems with high fungal biodiversity showed both the lowest and the highest δ34S values in the truffle samples. In 2017, a new Italian tax law imposed on

Serov nickel deposit (532 words) [view diff] exact match in snippet view article find links to article

list (link) (in Russian) Мезенцева О. П., Таловина И. В. (2011). "Величина Δ34S в миллерите и генезис шамозитовых никелевых руд Еловского месторождения (Северный

Late Devonian extinction (8,630 words) [view diff] exact match in snippet view article find links to article

column anoxia, enhanced productivity and concomitant changes in δ13C and δ34S across the Frasnian–Famennian boundary (Kowala — Holy Cross Mountains/Poland)"

Hydrogen isotope biogeochemistry (30,904 words) [view diff] exact match in snippet view article find links to article

and Hayes in the late 1970s, and was later used for δ13C, δ15N, δ18O and δ34S. Helium is used as the carrier gas in the GC systems. However, the separation