Columnar Jointing Rupnica - Geopark Papuk, Croatia
Posted by: 
GCEdo
N 45° 36.300 E 017° 31.909
33T E 697433 N 5053279
Columnar Jointing Rupnica in Geopark Papuk, Croatia
Waymark Code: WMPKNY
Location: Croatia
Date Posted: 09/14/2015
Views: 8
Columnar Jointing Rupnica is located in Geopark Papuk in Croatia. This geosite is under protection as geological monument of nature since 1948.
"Columnar jointing is a geological structure where sets of intersecting closely spaced fractures, referred to as joints, result in the formation of a regular array of polygonal prisms, or columns. Columnar jointing occurs in many types of volcanic rocks and forms as the rock cools and contracts." (Source: Wikipedia)
Columnar jointing at Rupnica site is formed in albite rhyolite volcanic rock. The majority of rock columns at the site are four- and five-sided. Potassium–argon dating of these rocks gave Cretaceous age, about 70 million years.
There are several geological educational info boards around this site that educate visitors about geological details of this site. There is a wooden walkway around this site so visitors can explore the site from all directions. The parking is next to the site. Access is free and it is opened to the public without any restrictions 24/7.
Waymark is confirmed to be publicly accessible: yes
Parking Coordinates: N 45° 36.296 E 017° 31.869
Access fee (In local currency): .00
Requires a high clearance vehicle to visit.: no
Requires 4x4 vehicle to visit.: no
Public Transport available: no
Website reference: [Web Link]
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Visit Instructions:
No specific requirements, just have fun visiting the waymark.