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Dinosaur footprints EarthCache

Hidden : 2/19/2021
Difficulty:
2.5 out of 5
Terrain:
2 out of 5

Size: Size:   other (other)

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HR: Dobrodošli u moj drugi EarthCache! Ako ste ljubitelj dinosaura, svidjet će vam se ovo mjesto. Mnogo je otisaka stopala dinosaura ...

Geologija

Otisci stopala dinosaura mogli su se sačuvati samo ako su se dinosauri kretali preko mekanih podloga i tako ostavljali tragove. Otisci su tada trebali biti brzo prekriveni sedimentom (različito od podloge) i ostati netaknuti sve dok dijagenetski procesi sediment nisu litificirali i pretvorili u konsolidiranu stijenu.

Izuzetno dragocjeni nalazi
Svi znamo da hodanje pješčanim plažama ostavlja tragove koje valovi, plima i oseka vrlo brzo uništavaju, pa možemo zaključiti da vjerojatnost očuvanja tragova nije velika. Stoga su otisci stopala dinosaura rijetki i izuzetno vrijedni jer predstavljaju autohtona otkrića.

Kada uplovite u luku Veliki Brijun i napustite brod, u vapnenačkom bloku moguće je vidjeti otisak s tri prsta, vjerojatno od velikog mesoždera teropoda.

Geopaleontološka nalazišta
Do sada su tragovi dinosaura otkriveni na četiri mjesta Nacionalnog parka: Velikom Brijunu i otocima Vanga, Galija i Vrsar. Posjetiteljima su dostupni otisci stopala na otoku Veliki Brijun, kao i na rtima Ploče i rt Vrbanj.

Kako bi se ilustrirala veličina ovih mezozojskih bića koja su ovdje ostavila tragove za naše posjetitelje, na rtu Vrbanj postavljena je rekonstrukcija dinosaura - znanstvena i umjetnička skulptura teropoda, grabežljivog mesojeda, što je rezultat suradnje brojni stručnjaci iz različitih područja.

Zadaci:


1. Koji se uvjeti moraju dogoditi da bi se otisci stopala dinosaura sačuvali?

2. Izmjerite i usporedite najmanji i najveći otisak dinosaura koji možete pronaći.

3. Koji faktor erozije najviše utječe na ovo mjesto?

4. Ovdje se fotografirajte sa sobom ili sa svojim GPS-om.

Pošaljite mi odgovore putem profila.

 

Izvori: wikipedia

EN: Welcome to my another EarthCache! If you are a dinosaur fan, you will love this place. There are many Dinosaur footprints...

Geology

Dinosaur footprints could only be preserved if dinosaurs were moving over soft substrates and thus left traces. The prints should then have been quickly covered with sediment (different from the substrate) and remained intact until the diagenetic processes lithified the sediment and turned it into a consolidated rock.

Extremely precious findings

We all know that walking on sandy beaches leaves traces which waves, tides, and rain destroy very quickly, so we can conclude that the likelihood of preserving traces is not high. Therefore, dinosaur footprints are rare and extremely valuable since they represent autochthonous findings.

When sailing into the port of Veliki Brijun and leaving the boat, it is possible to see the three-toed print in the limestone block, probably left by large theropod carnivore.

Geopaleontological sites

Until now, dinosaur tracks have been discovered at four sites of the National Park: Veliki Brijun and the islands of Vanga, Galija and Vrsar. For visitors there are available footprints on the island of Veliki Brijun, as well as on Cape Ploče and Cape Vrbanj.

In order to illustrate the size of these Mesozoic creatures that left their traces here for our visitors, a dinosaur reconstruction has been put up on Cape Vrbanj - a scientific and artistic sculpture of a theropod, a predatory carnivore, that is the result of collaboration of numerous experts from various fields.

Tasks:

1. What conditions must occur for dinosaur footprints to be preserved?

2. Measure and compare the smallest and largest footprint of a dinosaur you can find.

3. What erosion factor affects this site the most?

4. Take a picture with you or with your GPS here.

Send me answers via profile.

Sources: wikipedia

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Arvy Nezfgebat :)

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