A new type of geological-geomorphological landscape: The Baishi Mountain marble structural peak forest (hoodoos) and its Origin
Baishi (which means white rock in Chinese) Mountain at Laiyuan County, Hebei Province, is tectonically located on the western margin of the NNE-trending Taihangshan deep flaut zone. It shows adouble-Iayered structure, with Yanshanian granites as its base and dolomitic marble of the Mesopro-terozoic Wumishan Formation as the top, forming a gigantic pendent. In fact, the nountain is a safety island in the tectonically active zone and strong earthquake zone since the Yanshanian, where strong tectonic stress produced peak forest (hoodoos) and the peak forest has also been well preserved. Under the strong Yanshanian principal compressional stress, two sets of vertical gigantic NNE and NNW conju-gate shear joins were produced in the subhorizontal dolomitic marble, forming an X-shaped structure. Since the Cenozoic this mountain has risen and owing to structural jointing, combined with mechanical weathering and surface water erosion, it has gradually become a dolomitic marble peak forest. This is anew type of landscape in China.
Structural peak forest Dolomitic marble Yanshanian movement Joint Baishi Mountain Hebei province
Nie Zetong Liang Dingyi Zhao Chonghe Song Zhimin
Covege of Geosciences and Natural Resources, China Uniuersity of Geosciences, Beijing 100083, China
国际会议
第二届国际地质公园发展研讨会(The Second Onternational Symposium on Development Within Geoparks)
北京
英文
512-516
2007-06-12（万方平台首次上网日期，不代表论文的发表时间）