Search results
Results from the WOW.Com Content Network
It contains limestone karst peaks with valleys. There are archaeological traces of human activity for more than 30,000 years, dating back from the Neolithic and Bronze Ages . Hoa Lư was the ancient capital of Vietnam, established in the 10th and 11th centuries.
Marble Mountains (Vietnamese: Ngũ Hành Sơn, Chữ Hán: 五行山; lit. "five elements mountains") is a cluster of five marble and limestone hills located in Ngũ Hành Sơn District, south of Da Nang city in Vietnam. The five mountains are named after the five elements: Kim (metal), Thủy (water), Mộc (wood), Hỏa (fire) and Thổ (earth).
karst Cave complex; Da Nang Province Lang Trang: karst Thanh Hoa Province Phong Nha Cave: Unknown 7,729 m (25,358 ft) karst UNESCO World Heritage site; Quang Binh province Sơn Đoòng cave: 150 m (490 ft) 9,000 m (30,000 ft) karst Reputed to be the largest in the world; Quảng Bình Province Tam Cốc-Bích Động: Unknown 125 m (410 ft) karst
Karst topography is a geological formation shaped by the dissolution of a layer or layers of soluble bedrock, usually carbonate rock such as limestone or dolomite, but also in gypsum. [1] It has also been documented for weathering -resistant rocks, such as quartzite , given the right conditions. [ 2 ]
Global distribution of major outcrops of carbonate rocks (mainly limestone, except evaporites). The English word karst was borrowed from German Karst in the late 19th century, [6] which entered German usage much earlier, [7] to describe a number of geological, geomorphological, and hydrological features found within the range of the Dinaric Alps, stretching from the northeastern corner of ...
Da Nang or Danang [nb 1] (Vietnamese: Đà Nẵng, Vietnamese pronunciation: [ɗaː˨˩ n̪a˧˥ˀŋ]) is the fifth-largest city in Vietnam by municipal population. [7] It lies on the coast of the South China Sea of Vietnam at the mouth of the Hàn River , and is one of Vietnam's most important port cities.
Part of the karst mounts in Phong Nha-Kẻ Bàng National Park. The Hoành Sơn Mountains run through the northeastern part of the province. Many mount summits concentrate in Phong Nha-Kẻ Bàng area with over 1,000 metres height. Noteworthy peaks are the Peak Co Rilata with a height of 1,128 m and the Peak Co Preu with a height of 1,213 m. [8]
According to the assessment of UNESCO, "The karst formation of Phong Nha-Kẻ Bàng National Park has evolved since the Palaeozoic (some 400 million years ago) and so is the oldest major karst area in Asia" and "Phong Nha displays an impressive amount of evidence of earth's history. It is a site of very great importance for increasing our ...