What is he best known for?
The fields of study he is best known for:
- Basalt
- Sedimentary rock
- Geochemistry
Robert Frei spends much of his time researching Geochemistry, Mineralogy, Basalt, Metamorphism and Radiogenic nuclide.
His study in Geochemistry is interdisciplinary in nature, drawing from both Craton and Petrology.
His research in Mineralogy intersects with topics in Mineral, Carbonate, Weathering, Environmental chemistry and Great Oxygenation Event.
Robert Frei combines subjects such as Igneous rock, Mantle and Volcanic rock with his study of Basalt.
His Metamorphism research integrates issues from Metamorphic rock, Gneiss, Basement and Zircon.
His Radiogenic nuclide research is multidisciplinary, incorporating perspectives in Leaching, Peat, Bog and Deposition.
His most cited work include:
- History of Atmospheric Lead Deposition Since 12,370 14C yr BP from a Peat Bog, Jura Mountains, Switzerland (625 citations)
- Fluctuations in Precambrian atmospheric oxygenation recorded by chromium isotopes (429 citations)
- Atmospheric oxygenation three billion years ago (415 citations)
What are the main themes of his work throughout his whole career to date?
Robert Frei spends much of his time researching Geochemistry, Archean, Mineralogy, Zircon and Metamorphism.
His Geochemistry research incorporates themes from Craton, Petrology and Proterozoic.
His Archean study combines topics from a wide range of disciplines, such as Pillow lava, Metasomatism, Mafic and Continental crust.
The Mineralogy study combines topics in areas such as Environmental chemistry, Chromium, Sedimentary rock and Radiogenic nuclide.
As a part of the same scientific family, Robert Frei mostly works in the field of Zircon, focusing on Provenance and, on occasion, Isotopes of strontium.
His research in Metamorphism intersects with topics in Metamorphic rock, Gneiss, Metamorphic facies and Granulite.
He most often published in these fields:
- Geochemistry (65.29%)
- Archean (15.12%)
- Mineralogy (13.06%)
What were the highlights of his more recent work (between 2018-2021)?
- Geochemistry (65.29%)
- Environmental chemistry (8.93%)
- Isotope fractionation (5.84%)
In recent papers he was focusing on the following fields of study:
Geochemistry, Environmental chemistry, Isotope fractionation, Igneous rock and Sedimentary rock are his primary areas of study.
His research in Geochemistry is mostly focused on Zircon.
His studies in Environmental chemistry integrate themes in fields like Rayleigh fractionation and Isotopes of chromium.
Robert Frei has included themes like Chromium, Redox and Seawater in his Isotope fractionation study.
His biological study spans a wide range of topics, including Metamorphism, Continental arc, Weathering, Ophiolite and Petrogenesis.
His Sedimentary rock study incorporates themes from Outcrop and Metamorphic rock, Schist.
Between 2018 and 2021, his most popular works were:
- Bioavailable 87Sr/86Sr in European soils: A baseline for provenancing studies. (37 citations)
- Shallow retardation of the strontium isotope signal of agricultural liming - implications for isoscapes used in provenance studies (19 citations)
- Multi-isotope proveniencing of human remains from a Bronze Age battlefield in the Tollense Valley in northeast Germany (18 citations)
In his most recent research, the most cited papers focused on:
- Sedimentary rock
- Paleontology
- Igneous rock
Robert Frei mainly focuses on Geochemistry, Environmental chemistry, Redox, Surface water and Isotope fractionation.
Geochemistry is often connected to Carbonate in his work.
Robert Frei interconnects Mytilus and Isotopes of chromium in the investigation of issues within Environmental chemistry.
The concepts of his Redox study are interwoven with issues in Chromium and Fractionation.
His Surface water research is multidisciplinary, incorporating elements of Isotopes of strontium, Provenance and Groundwater.
His work in Isotope fractionation addresses issues such as Seawater, which are connected to fields such as Sediment, Diagenesis and Oxygen minimum zone.
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