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.


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The unique Centre for Didactics of Geology will be opened in Říčany

    The Centre for Didactic of Geology will be ceremonially opened on April 9th 2015 at 14.00. One of the
    collaborators is Petr Schnabl from the Institute of Geology CAS, v. v. i. The ceremony will take place at
    the garden of the 1st Elementary School Říčany at Masaryk square.
    The invitation card (in Czech) is here.

Professor Zdeněk V. Špinar - memorial meeting

    The memorial meeting at the occasion of the centenary birth and twenty years death celebration of the outstanding
    Czech palaeontologist Professor Zdeněk V. Špinar will take place in the meeting room of the Institute of Geology AS
    CR, v. v. i. on 11th November 2015.
    The invitation is downloadable here (in Czech).

Radek Mikuláš spoke about stromatoliths in the Czech radio programme "Studio Leonardo"

    Stromatolites are often reported as the oldest macroscopic fossils of the Earth. But what do we really
    know on them?
    The recorded broadcast id here (in Czech)

Vernissage of the exhibition "Landscape of the old mining areas in the neighbourhood of Tábor" in Café Barrande

    The vernissage of the exhibition "Landscape of the old mining areas in the neighbourhood of Tábor" of
    Jiří Žítt from the Institute of Geology CAS, v. v. i. went in Café Barrande together with exhibition of
    graphics of Jan Sklenář (National Muzeum, Prague) went in Café Barrande 5th March, 2015. The
    exhibition will take up to 26th March, 2015.
    Some photographs are here.

Michal Filippi contributed to the interview for the Příroda (Nature) Magazine

    Michal Filippi of the Institute of Geology CAS, v.v.i., together with Jiří Bruthans (Faculty of
    Science, Charles University in Prague) and Milan Geršl (Mendel University in Brno)
    contributed to the interview about discoveries in the Iranian salt karst for the Příroda
    Magazine (Nature) Magazine, No. 3-4, 2015.
    For the contents of the mentioned issue see here (in Czech).

Matters of interest

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Cryogenic cave carbonates – a new tool to estimate the minimum permafrost depth of the Last Glacial

Cryogenic cave carbonates can be identified in caves based on their characteristic mode of occurrence, typical shape, unique carbon and oxygen stable isotope compositions, and based on ages confirming their formation during the Glacial. Low-ventilation caves generally show temperature close to those of the surrounding rock. Cooling of such caves to freezing and/or subfreezing temperature is possible only due to evolution of permafrost (permafrost is the zone of soils and rocks having temperature 0 °C or lower for at least two subsequent years).

Ichnofossils associated with slightly skeletonized body fossils, Middle Cambrian of the Barrandian area, Czech Republic

Sediments of the Middle Cambrian of the Barrandian area yielded several distinct morphotypes of ichnofossils preserved in a tight association with non- or slightly-mineralized animal body fossils, most often arthropods. These traces, in lesser diversity, were described from the Cambrian of the Barrandian area already in 2000 by the present author. Later, since 2006, analogous trace fossils have been described from classical Cambrian lagerstätten, namely Chengjiang and Burgess.

Mineral inclusions in placer zircon from the Ohře (Eger) Graben: New data on „strontiopyrochlore“

After qualitative examination of the inclusion inventory of 80 zircon megacrysts from alluvial placers of the Cenozoic alkali basalt area of northern Bohemia and southeastern Saxony, three representative megacrysts from the Podsedice deposit were selected for an in-depth study of inclusion minerals. Primary and secondary inclusions were distinguished and used as monitor for zircon-related syn- and epigenetic processes.

Kozlowskii Event: mass faunal extinction and global environmental perturbations recorded in the upper Silurian succession of the Prague Synform

Upper Silurian sedimentary succession of the Prague Synform preserved particularly complete record of prominent global biotic crisis, known as Kozlowskii or Lau Event, as well as subsequent recovery of the marine biota. The most affected among pelagic faunas were planktonic graptolites. Almost simultaneous, selective extinction of several little phylogenetically related and greatly specialized taxa was recorded at the top of the kozlowskii Biozone.