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Reynisfjara

Reynisfjara Beach and Hálsanefshellir Cave

Both at the presentations of Harpa and at the Hallgrímskirkja I mentioned the Icelandic geological formation with Columnar basalt as inspiration for the designers.
Time to admire the real basalt columns.
A few kilometres before we reach the well know town Vik I Myrdal we turn right to Reynisfjara Beach. Here you can admire a number of geological phenomena. I start today with three photos of the Columnar basalt formation and the Hálsanefshellir Cave
There are also a number of human beings on all photos so that the size of the columns becomes clear

■ Main picture: ◄ Stylites ►
■ Workshop 1: ◄ Jointed basalt columns ►
■ Workshop 2: ◄ Hálsanefshellir Cave ►


Basalt is a common volcanic rock formed from the rapid cooling of basaltic lava exposed at or very near the surface of our planet.
Jointed basalt columns as the most famous and most beautiful basalt formations, exists on many places on earth.
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.
The columns can vary from 3 meters to a few centimetres in diameter, and can be as much as 30 meters tall. They are typically parallel and straight, but can also be curved and vary in diameter. Whereas an array of regular and straight columns is called a colonnade, an irregular array is termed an entablature. The number of sides of the individual columns can vary from 3 to 8, with 6 sides being the most common. (Wikipedia)

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