Stable iron isotope fractionation in metal sulfidation at 600–1200 °C Iron metal and troilite co-exist in ordinary chondrites and iron meteorites . Here, we present…Heinz-Gerd Röhling13. April 2023
Magmatic controls on the ore-forming potential at the submarine Brothers volcano, Kermadec arc The submarine Brothers arc volcano ~350 km NE of New Zealand is a unique site…Heinz-Gerd Röhling13. April 2023
Sustainable metal (Fe) recovery using stamp press bricks made of dusts and sludges from iron and steel making processes In 2020 approximately 1.5 million tons of dusts and sludges were produced in German steel…Heinz-Gerd Röhling13. April 2023
Crystallization and nucleation study of transition metal phosphates: M-phosphate octahydrate and M-struvite Industrial and agricultural waste streams (waste waters, sludges, tailings etc.) which contain high concentrations of…Heinz-Gerd Röhling13. April 2023
Particle-mediated origins of mesocrystallinity in calcium sulfate single crystals Calcium sulfate minerals are abundant in natural and engineered environments in the form of three…Heinz-Gerd Röhling13. April 2023
The stability of Tuite [γ-Ca3(PO4)2] in peridotitic bulk systems and its significance for volatile and trace element transport into the deep Earth Apatite is an important host for halogens and incompatible trace elements, in particular for LILE…Heinz-Gerd Röhling13. April 2023
Stromatolites trace metal availability in microbial habitats of the Miocene hypersaline lagoon in the Oberpullendorf Basin, Austria Stromatolitic carbonates formed in ancient microbial mats and provide unique geochemical archives to reconstruct palaeo-environments…Heinz-Gerd Röhling13. April 2023
Fully quantitative trace element mapping of microbial carbonates by LA-ICP-TOF-MS: Background, results and perspectives Trace element compositions of carbonate microbialites are valuable proxies to reconstruct shallow water microbial environments…Heinz-Gerd Röhling13. April 2023
Unusual IOA deposit associated with carbonatite in South Morocco: Mineralogy, geochemistry and REE-Nb-Ta mineralization Iron oxide-apatite (IOA) deposits are known to be closely associated with silicate igneous rocks. However,…Heinz-Gerd Röhling13. April 2023
The new Cologne Noble Gas Laboratory – Extraction and Analysis of cosmogenic Ne Isotopes We established a new laboratory for noble gas mass spectrometry that is dedicated to the…Heinz-Gerd Röhling13. April 2023