The Nikopol manganese deposit is situated in the west and north of Nikopol, Ukraine and
one of the world's largest deposits among the sedimentary manganese deposits. The …

In our modern economy, tantalum has become a 'technology-critical element'which is
increasingly used in new technologies. This has led to a need to evaluate potential …

Abstract The Yangtze Sea of the South China Craton experienced strong environmental
perturbations during the first~ 5-6 Myr of the Silurian. The Lower Silurian Lungmachi …

We present the first combined dissolved hafnium (Hf) and neodymium (Nd) concentrations
and isotope compositions of deep water masses from the Atlantic sector of the Southern …

Abstract The ca. 1.4 Ga Roper Group of the greater McArthur Basin in northern Australia
comprises the sedimentary fill of one of the most extensive Precambrian hydrocarbon …

Polyvalent trace elements such as the high field strength elements (HFSE) are commonly
considered rather immobile during low-temperature water–rock interaction. Hence, they …

There is an increasing demand for analytical techniques able to measure so-called
'technology-critical elements', a set of chemical elements increasingly used in technological …

In light of a new finding that diatom opal carries rare earth elements (REEs) at an amount
exceeding that which would explain the REEs/Si ratio in open ocean columns, the complex …

The Chiatura deposit is considered to be among the largest deposits of metallurgical grade
manganese ore in the world, yet its geochemistry is poorly known, which is the focus of this …

A nephrite deposit was recently discovered in Luodian, Guizhou Province, which belongs to
the South China Plate and is located in the eastern Tethys tectonic domain. This study …