Institute of Geology AS CR, v. v. i.
Medium-sized research center which main purpose is to gain, interpret and integrate the knowledge of the Earth System.
GA AV
Dynamics of the Upper Ordovician climax-stage faunal assemblages before global crisis controlled by climatic changes: a record from the Králův Dvůr Formation of the Barrandian area
Highly siderophile element and Re-Os isotope geochemistry of mantle pyroxenites: implications for mantle refertilization
Low temperature magnetic properties of sulphides present in meteoritic material
Certain iron and manganese bearing sulfide minerals present within extraterrestrial material undergo various magnetic transitions at low temperatures and thus have significantly different magnetic properties at temperatures of the cold interplanetary environment compared to terrestrial conditions. This opens us a new look on asteroids and comets and on their interactions with magnetic fields in Solar System. Detailed research of the low temperature magnetic properties of such sulfides is being done with natural and synthetic samples. Data are used to model and interpret magnetic observations and magnetic properties of Solar System minor bodies.