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Niah National Park
Niah National Park, located within Miri Division, Sarawak, Malaysia, is the site of the Niah Caves, a limestone cave and archeological site. Niah National Park was 31.4 km² when it was gazetted in 1974.〔(Niah National Park from Sarawak Forestry )〕 Nomination for (World Heritage ) status of the Niah Caves was sent to UNESCO in 2010.
==Niah Caves==
The main cave, Niah Great Cave, is located in Gunung Subis and is made up of several voluminous chambers with high ceilings. The Great Cave lies in a large limestone block, about a kilometre long in general north to south direction and about half a kilometre wide, that is detached from the main Gunung Subis complex, by a valley between about 150 to 200 meters wide. The main Gunung Subis complex rises to about 394〔(Niah National Park ) at Geographia.〕 meters above sea level at its highest point. The whole "Gunung Subis Limestone Complex" lies some 17 kilometres inland from the South China Sea coast and about 65 kilometres south west of the town Miri. It is roughly heart shaped measuring five kilometres from its northern tip to the south and four kilometres across. The Gunung Subis is surrounded by a low countryside with gentle hills from which the small limestone massiv and its smaller detached blocks rise rather abruptly out of the jungle, some with cliffs over 100 metres high.〔Short (description ) for a cd-rom about the caves by Ecomedia Software〕 Though it is not an extensive cave system compared to others in Sarawak, it has been estimated to cover some 10 hectares and the roof rises to about 75 metres above the cave floor in some places.〔("The Great Cave of Niah" ) by Huw Barton〕 In geological terms, the limestones are part of the Subis Formation. This is dated to some 20 to 16 million years ago during the Early Miocene.〔
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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