4 Large Giants Causeway Type Basalt Stones Very Rare

4 Large Giants Causeway Type Basalt Stones - Very Rare. These stones have been in the family garden since mid 1970s and were most likely obtained from a quarry at Craignahulliar. This quarry was worked by Portrush Columnar Basalt Company Ltd until the 1980s.

As suggested by the name basalt columns like the those seen at the Giant's Causeway were found here. The columns formed from the same lava flows 60 million years ago, which cooled slowly forming the unusual shapes.

The Giant's Causeway is the most popular tourist attraction in Northern Ireland. The unusual stone landscape was formed around 50 to 60 million years ago when Antrim was subject to intense volcanic activity.

Rapidly cooling molten basalt formed an extensive lava plateau in columns. Legend has it that the Irish warrior Fionn mac Cumhaill (Finn McCool) built the causeway to walk to Scotland to fight his Scottish counterpart Benandonner.

Approx max dimension of each stone. 52 x 38 x 18cm. 43 x 41 x 19cm. 35 x 40 x 25cm.

39 x 39 x 17cm. Note - these stones are very heavy approx 400KG. This item is in the category "Garden & Patio\Other Garden & Patio". The seller is "pc4050" and is located in this country: GB. This item can be shipped to United Kingdom.