PALEOMAGNETISM OF SOME LATE PRECAMBRIAN AND LOWER PALEOZOIC SEDIMENTS FROM LADRAR DE MAURITANIE, WEST-AFRICA

被引:32
作者
MORRIS, WA
CARMICHAEL, CM
机构
[1] DEPT ENERGY MINES & RESOURCES, EARTH PHYS BRANCH, OTTAWA K1A 0Y3, ONTARIO, CANADA
[2] UNIV WESTERN ONTARIO, DEPT GEOPHYS, LONDON N6A 5B7, ONTARIO, CANADA
关键词
PALEOMAGNETISM;
D O I
10.1139/e78-026
中图分类号
P [天文学、地球科学];
学科分类号
07 ;
摘要
Palaeomagnetic results are reported from three formations from the late Precambrian to lower Paleozoic sedimentary sequence of L'Adrar de Mauritanie, on the West African Craton. Each of the formations recorded complex magnetizations, the sequence of which could only be resolved after detailed thermal and chemical cleaning. Most of these complexities have arisen from post depositional hematite coating on both magnetic and non-magnetic grains.
引用
收藏
页码:253 / 262
页数:10
相关论文
共 26 条
  • [1] Bonhomme M., 1962, THESIS U CLERMONT FE
  • [2] APPLICATION OF PALEOMAGNETISM TO PROTEROZOIC TECTONICS
    BRIDEN, JC
    [J]. PHILOSOPHICAL TRANSACTIONS OF THE ROYAL SOCIETY A-MATHEMATICAL PHYSICAL AND ENGINEERING SCIENCES, 1976, 280 (1298): : 405 - 416
  • [3] BURKE K, 1972, AFRICAN GEOLOGY, P583
  • [4] CLAUER N, 1973, GEOCHIM COSMOCHIM AC, V37, P2243
  • [5] Clauer N., 1976, THESIS U STRASBOURG
  • [6] CLAUER N, 1971, EUROPEAN C GEOCHRONO, P1
  • [7] Clifford T.N, 1970, AFRICAN MAGMATISM TE, P1
  • [8] ARRANGEMENT OF CONTINENTS DURING PALAEOZOIC ERA
    CREER, KM
    [J]. NATURE, 1968, 219 (5149) : 41 - &
  • [9] GIRAUDON R, 1964, CR HEBD ACAD SCI, V258, P3520
  • [10] Hamilton E.I., 1968, INT SCI, P299