Banded iron-formations (BIFs) are marine chemical sedimentary rocks composed of
siliceous and ferric materials, usually with typical thin layers or sheet structures. BIFs not …

This study investigates the authigenically formed Late Cretaceous and Paleogene marine
ironstones in Western Siberia (Russia) based on petrographic and spectroscopic …

In this article, we report the discovery of a gossanite-type hematite and magnetite ore
associated with sulfide mineralization in the Rayat area of NE Iraq. Detailed petrographic …

Banded iron formations (BIFs) are important sedimentary rocks used for reconstructing the
geochemical and environmental evolution of Precambrian Earth surface conditions. Here …

Iron formations (IFs) are iron-rich chemical sediments that were widespread throughout the
Precambrian. The deposition of IFs has provided key evidence about the prevalence of …

The microbiome of deep continental aquifers is considered the most slowly evolving part of
the biosphere. The Yessentukskoye Mineral Water Basin (YMWB), located in the pre …

Abstract The Djebel Had Ironstone (DHIS), an 8 m thick stratiform sedimentary iron
formation, forms part of the important mining district of south Tebessa, in northeastern …

Polymetallic veins and breccias and carbonate-replacement ore deposits in the Cyclades
continental back arc, Greece, formed from a range of fluid and metal sources strongly …

The toxicity of arsenic (As) towards life on Earth is apparent in the dense distribution of
genes associated with As detoxification across the tree of life. The ability to defend against …

The production of H2 in hydrothermal systems and subsurface settings is almost exclusively
assumed a result of abiotic processes, particularly serpentinization of ultramafic rocks. The …