[HTML][HTML] Recognition of peat depositional environments in coal: A review

S Dai, A Bechtel, CF Eble, RM Flores, D French… - International Journal of …, 2020 - Elsevier
Peat depositional environments, the sites where and conditions under which peat
accumulates, significantly influence a resultant coal's physical properties, chemical …

Deep-ocean polymetallic nodules as a resource for critical materials

JR Hein, A Koschinsky, T Kuhn - Nature Reviews Earth & Environment, 2020 - nature.com
Deep-ocean polymetallic nodules form on or just below the vast, sediment-covered, abyssal
plains of the global ocean. Polymetallic nodules primarily consist of precipitated iron …

Controls on the fractionation of isovalent trace elements in magmatic and aqueous systems: evidence from Y/Ho, Zr/Hf, and lanthanide tetrad effect

M Bau - Contributions to Mineralogy and Petrology, 1996 - Springer
The parameters which control the behaviour of isovalent trace elements in magmatic and
aqueous systems have been investigated by studying the distribution of yttrium, rare-earth …

Distribution of yttrium and rare-earth elements in the Penge and Kuruman iron-formations, Transvaal Supergroup, South Africa

M Bau, P Dulski - Precambrian Research, 1996 - Elsevier
Shale-normalized rare-earths and yttrium (REYSN; Y inserted between Dy and Ho) patterns
for detritus-free samples from both the Kuruman and Penge Iron-Formations (IFs) in the Late …

A review of anomalous rare earth elements and yttrium in coal

S Dai, IT Graham, CR Ward - International journal of coal geology, 2016 - Elsevier
Coal deposits have attracted much attention in recent years as promising alternative raw
sources for rare earth elements and yttrium (REY), not only because the REY concentrations …

Discriminating between different genetic types of marine ferro-manganese crusts and nodules based on rare earth elements and yttrium

M Bau, K Schmidt, A Koschinsky, J Hein, T Kuhn… - Chemical …, 2014 - Elsevier
Abstract Marine ferro-manganese (Fe–Mn) crusts and nodules are metal-rich chemical
sediments that are archives of paleoceanographic proxies and potential metal resources …

Scavenging of dissolved yttrium and rare earths by precipitating iron oxyhydroxide: experimental evidence for Ce oxidation, Y-Ho fractionation, and lanthanide tetrad …

M Bau - Geochimica et Cosmochimica Acta, 1999 - Elsevier
Scavenging experiments were performed at pH 3.6 to 6.2 with synthetic solutions containing
dissolved Fe (≈ 7 mg/L), Rare Earths and Yttrium (ΣREY:≈ 61 μg/L) in a matrix of 0.01 M …

Rare earth elements in Holocene reefal microbialites: a new shallow seawater proxy

GE Webb, BS Kamber - Geochimica et Cosmochimica Acta, 2000 - Elsevier
The concentration of rare earth elements and yttrium (REE+ Y) was determined in Holocene
Mg-calcite microbialites from shallow reef framework cavities at Heron Reef, Great Barrier …

Comparing yttrium and rare earths in hydrothermal fluids from the Mid-Atlantic Ridge: implications for Y and REE behaviour during near-vent mixing and for the Y/Ho …

M Bau, P Dulski - Chemical Geology, 1999 - Elsevier
Mg-poor hydrothermal fluids from the high-temperature discrete flow at the Broken Spur site
at the Mid-Atlantic Ridge show high Y concentrations between 1880 and 2639 pmol/kg, and …

Diagenetic constraints on the use of cerium anomalies as palaeoseawater redox proxies: an isotopic and REE study of Cambrian phosphorites

G Shields, P Stille - Chemical Geology, 2001 - Elsevier
Seawater rare-earth element (REE) distributions show heavy REE enrichment and cerium
depletion but these characteristics are only rarely found in ancient, marine authigenic …