40 Facts About Columnar
Columnar basaltformations are one of nature ’s most stunning geological wonder . These predominate structures , often resemble giant gemstone pillars , captivate the imagination with their unequalled hexagonal shapes . But what exactly are columniform basalts , and how do they form?Columnar basaltis a eccentric of volcanicrockthat forms when lava cools and contracts , make crevice that extend downwards and split the rock into columns . These formations can be found all over theworld , from the Giant ’s Causeway in Northern Ireland to the Devil ’s Postpile in California ....