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Glass House Mountains
The Glass House Mountains are a group of eleven hills that rise abruptly from the coastal plain on the Sunshine Coast, Queensland, Australia. The highest hill is Mount Beerwah at 556 m above sea level, but the most identifiable of all the hills is Mount Tibrogargan which from some directions appears to be a face staring out to sea.
Whilst the traditional names for the hills themselves are very old, the term 'Glasshouse Mountains' was given more recently by explorer Captain James Cook on 17 May 1770.〔("Flashback", page 6, Brisbane News — May 11-17, 2011 )〕 The peaks reminded him of the glass furnaces in his home county of Yorkshire. Matthew Flinders explored the area and climbed Mount Beerburrum after sailing along Pumicestone Passage in 1799. The Glass House Mountains National Landscape was added to the Australian National Heritage List on 3 August 2006.〔(【引用サイトリンク】title=National Heritage Places - Glass House Mountains National Landscape )〕 In the land between the peaks, pineapple and poultry farming, as well as commercial forestry and quarrying are the main land uses.
==Geology==
The range was formed as molten lava cooled to form hard rock in the cores of volcanoes between 26-27 million years ago.〔Cohen, B. E., Vasconcelos, P. M., and Knesel, K. M., 2007, Australian Journal of Earth Sciences, v. 54, p. 105-125.〕 The source of the lava was from the East Australia hotspot. The cores of the hills contain columns of comendite from lava which cools quickly into a hard rock. The surrounding softer rocks have been eroded in the subsequent time, forming the spectacular volcanic plugs that remain today.〔 The peaks location relative to each other exhibits an alignment that is believed to have occurred due to fracturing.〔
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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