English: Layers of gray crinoidal limestone, which were formed during the Mesozoic era of the Earth's geologic history. Geological trail. 'Middle-age rocks of Earth's history' and 'Stones of Hungary' open air exhibitions. Geologist garden. Nature reserve and open air geology collection. Part of the Danube-Ipoly National Park - Fekete street, Tata, Komárom-Esztergom County, Hungary
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Gray limestone. Geological trail. 'Middle-age rocks of Earth's history' and 'Stones of Hungary' open air exhibitions. Geologist garden. Nature reserve and open air geology collection. Part of the Danube-Ipoly National Park - Fekete street, Tata, Komárom-Esztergom County, Hungary}}Template:Hu{{hu|1= Szürke krinoideás mészkő. Geológus Kert.- Tata. Eötvös Loránd Tudományegyetem (ELTE) Tatai Geológus Kert - Természetvédelmi Terület és Szabadtéri Geológiai Muzeális Közgyűjtemény. - Komárom-Esztergom megye, Tata, Kálvária-domb, Fekete út 2