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Râpa Roșie (Romanian for "red ravine") is a protected area, a monument of national interest in Alba County, Romania. It is a geological reserve, located in the extreme southwest of the Secaşelor Plateau on the right bank of the Secașul Mare, about north of Sebeș. It is protected under IUCN Category IV. Erosion and runoff has given it a prominent, sharp rocky appearance in the mountainside. Râpa Roșie measures approximately 10 hectares in size. Râpa Roșie stretches over a length of . Its height measures between ( absolute altitude). A huge wall, almost vertical, gives the impression of a ruined ancestral monument. Tiered columns and pyramids, separated by ravines, form a badlands microrelief. The first report of a Coţofeni culture find at Râpa Roşie was made by Fr. W. Schuster in 1865. It was the first archaeological exploration made by him which revealed remnants of large and small pottery that had ornamentation, which also attested to the Coţofeni culture.〔 ==Geology== Râpa Roșie is a geological reserve and a natural monument with unusual red bed features. Assessing the geological age of the formations has been a daunting task as no fossil remains had been found in the past. The geological monument has been called a "natural wonder". Its walls rise to a height of 80-100m. Rock formations are naturally carved with very unusual shapes of columns, towers and pyramids formed over centuries of erosion by rainwater. Study of the feature has revealed geological formations of gravel, quartz sands, and sandstones. The deposits are distinct "succession of red clays, grey and reddish soap-stones, friable white soap-stone."〔 They all exhibit a reddish colour. Deep ravines are formed and during the rainy season the water flowing in the deep ravines is in the colour of the formation that is red; as the water falls into the ravines it makes a roaring sound. Râpa Roșie River flows in the vicinity. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Râpa Roșie」の詳細全文を読む スポンサード リンク
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