The coastline of the southern Tasmania , inward Commonwealth of Australia , is composed of stunning stone columns that protrude upward to 300 meters from the body of body of water level. These rocks are what geologists telephone proper name upward dolerites , amongst its distinct elongated cast as well as hexagonal columns.
Dolerites assort when molten rocks pushed upward from the deep underbelly of the footing cools speedily as well as crystallizes to assort modest visible crystals inward the rock. When the charge per unit of measurement of cooling is simply correct , the rocks shrink inward book , causing the creation of cracks. The cracks permit the rocks inward the interior to cool , resulting inward to a greater extent than cracks. At the cease , you lot larn a large block of stone amongst long vertical as well as symmetrical cracks creating 5 or 6 sided columns. The columns tin hand notice hold upward simply a few centimeters to over several meters inward diameter.
The Giant’s Causeway inward Republic of Ireland , The Devil’s Tower inward Wyoming , Los Organos inward Kingdom of Spain , as well as Fingal’s Cave inward Scotland.
Photo credit: www.australiantraveller.com
Photo credit: JERRYE & ROY KLOTZ MD/Wikimedia
The “Totem Pole ,” Tasmania’s close famous dolerite column. Photo credit: Or Eli/Flickr
Photo credit: Gav Owen/Flickr
Photo credit: JERRYE & ROY KLOTZ MD/Wikimedia
Photo credit: Henry Cook/Flickr
Source: The public Story / Tasmanian Geographic