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Field trip 2. Hrvatsko Zagorje – Neogene sediments, Neanderthal man, Trakošćan Castle .

Field-trip coordinators: Radovan Avanić, Marta Mileusnić and Darko Tibljaš

One day Excursion (22 September 2018) - Price 70 €

Hrvatsko Zagorje is a region north of Zagreb, Croatia. It has rich natural, cultural and historical heritage: spas, castles, churches and other monuments. From the large number of castles, the most famous are Trakošćan and Veliki Tabor.

Min. 15 participants, max. 45 participants. The fee includes the transfer, tickets for the Trakošćan castle and Kraneamus, Krapina Neanderthal Museum, dinner and an excursion guide.

1. Landslide Kostanjek, Zagreb. Landslide Kostanjek is the largest (1.2 km2) active landslide in Croatia, located in the urbanized area (ca. 500 houses). Landslide was initiated by marl (Panonnian and Sarmatian) exploitation for cement industry situated at the foot of the slope in 1963. It is reactivated, translational, and extremely slow to very slow landslide, with depth of ca. 60 meters. Sliding mass is ca. 32 million cubic meters.  The landslide is equipped with a sophisticated monitoring system providing a better understanding of the sliding.

2. The outcrop of Macelj sandstones. The deposits were formed in the shoreface under the influence of the tides. Macelj sandstones, some of them containing glauconitic materials, belong to the Vučji Jarek member, the lowermost part of the Macelj formation.The Macelj formation deposits were formed in Eggenburgian andEarly Ottnangian.

3. Zeolitized tuff deposits in the Krapina area (Donje Jesenje quarry). In the northwestern part of the Hrvatsko Zagorje in several locations on Macelj Mt., Lower Miocene volcanoclastic deposits have been discovered. The best outcrop of volcanoclastics is in the Donje Jesenje quarry. These sediments are result of submarine volcanic activity between the Egenburgian shelf and shoreface. Volcanoclastic deposits have variable primary composition, and contain various volcanic glass alteration products, including zeolites, clay minerals and SiO2 phases. Clinoptilolite is the most abundant zeolite in these deposits, besides it mordenite and analcime are also present. Clay minerals are represented by smectites and celadonite.

4. Trakošćan Castle, one of the most attractive castles in Croatia, dates back to the 13th century (although the first written mention of the toponym "Trakošćan" is dated to 1334). Together with surrounding buildings and forest park with a lake it is protected as a historical entity. (


5. Kraneamus, Krapina Neanderthal Museum is located near the world famous site of the Krapina Neanderthals „Hušnjakovo. The exhibition is set up as a time machine through the history of the Universe, the Earth and Man, leading up to the present day, and lays special emphasis on the Neanderthal period (

                                                                      Glauconite sandstones 


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