Ordovician paleomagnetism of eastern Yunnan, China | Zendy

Fang Wu | Zendy; Van der Voo Rob | Zendy; Liang Qizhong | Zendy

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Ordovician paleomagnetism of eastern Yunnan, China

Author(s) -

Fang Wu,

Van der Voo Rob,

Liang Qizhong

Publication year - 1990

Publication title -

geophysical research letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 2.007

H-Index - 273

eISSN - 1944-8007

pISSN - 0094-8276

DOI - 10.1029/gl017i007p00953

Subject(s) - ordovician , geology , paleomagnetism , gondwana , paleontology , carboniferous , paleozoic , apparent polar wander , red beds , declination , china , block (permutation group theory) , polar wander , clockwise , fold (higher order function) , tectonics , archaeology , geography , cretaceous , mechanical engineering , physics , geometry , mathematics , structural basin , astronomy , engineering

Three magnetic components have been isolated in Ordovician formations of the Yangtze Paraplatform (South China Block). Two of these (Daqing A and Hongshiya B components) yield paleopoles that conform to the Carboniferous to Triassic segment of the apparent polar wander path for South China, and are therefore interpreted as remagnetizations. The third component (declination/inclination = 301°/+66°, N = 5 sites, k = 21.4, α 95 = 17°) passes the fold test and is interpreted as primary (late Early Ordovician). The paleopole, at 39°S, 236°E, and the paleolatitude of 48°S support an Ordovician position of South China adjacent to Gondwana.

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