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Fingal Head Giant Causeway
芬格尔赫德巨型堤道
Looking out to sea: columnar jointing in basalt at Fingal Head. Cook island in background
面朝大海：芬格尔赫德的柱状节理景观。图中远处的岛屿为库克岛。
面朝大海：芬格尔赫德的柱状节理景观。图中远处的岛屿为库克岛。
The spectacular columnar jointing at Fingal Head near Tweed Heads, was caused by contraction: as lava cools from the outside toward the centre, shrinkage cracks develop, usually forming hexagonal patterns. These columns are vertical because the lava flow was horizontal.
在特维德角附近的芬格尔赫德，游客可观赏到壮观的柱状节理景观。由于熔岩冷却过程中的收缩作用，当熔岩从外部向中心冷却时，裂缝扩大，通常形成六边形的收缩裂缝。由于熔岩流呈水平流动，因此形成垂直的石柱。