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Niklas Kallnik, B.Sc.

Niklas Kallnik
Image Credit: Alexander Balduin

Geochemistry Group

Student Assistant - M.Sc. Student

Malteserstr. 74-100
Room Room 241 Building B
12249 Berlin

Research interests

MSc. project: Fractionation of siderophile-volatile elements in lunar basalts using the example of Apollo 17 High-Ti Mare Basalts.
BSc. project: Examination of S extraction regarding the recovery from geological reference materials using pyrohydrolysis.

Formation, magmatic evolution, and devolitilization of the Moon.

Late accretion onto Earth and Moon.

Early evolution of Earth’s crust and mantle.

Elemental as well as isotopic composition and dating of meteorites (e.g. 53Mn-53Cr dating).


2020-ongoing: Student assistant in Geochemistry Group, FU Berlin
• General support of clean lab and mass spec labs.
• Rough to fine sample preparation.
• Pyrohydrolysis for Halogens.
• Various column chemistries (e.g. Rb, Sr, Sm, Nd, Cr).
• Measuring elemental and isotopic abundances using ICP-MS and TIMS.
• Compiling data sets.

2020: Internship at The Helmholtz Centre Potsdam - GFZ German Research Centre for
Geosciences. Section 3.3 Surface Geochemistry.
• Preparation of self-selected granite and saprolite samples from drill cores from Chile.
• Sequential dissolution procedures and column chemistry for elemental separation.
• Analysis of major and trace element concentrations using ICP-OES and ICP-MS.
• Data reduction and evaluation.

2019-2020: Student assistant in Sedimentary Systems Group, FU Berlin
• Clay mineral separation.
• Sr and Nd column chemistry in the cleanroom.
• Data reduction.

Field experience

Ivrea zone, Italy, 1 week
Corsica, France, 2 weeks
Alps, Austria, 2 weeks
Eifel Mountains, Germany, 1 week
Oman, 2 weeks
Fichtel Mountains, Germany, 1 week
Canary Islands, Spain, 2 weeks
Harz mountains, Germany, 1 week

Conference abstracts
Julian Hülscher, Edward R. Sobel, Niklas Kallnik, J. Elis Hoffmann, Ian L. Millar, and Anne
Bernhardt (2021): Selective recording of a tectonic forcing in different grain-size fractions in
the Oligocene/Miocene Eastern Alpine Molasse Basin.


Hülscher, J., Sobel, E.R., Kallnik, N., Hoffmann, J.E., Millar, I.L., Hartmann, K.., Bernhardt, A. (2022) Apatites record sedimentary provenance change 4-5 m.y before clay in the Oligocene/Miocene Alpine Molasse. Frontiers in Earth Sciences 10, 914409. DOI: 10.3389/feart.2022.914409