Open AccessPalaeomagnetism of the Stephano‐Autunian Lower Tiguentourine formations from stable Saharan craton (Algeria)
Author(s) -
Derder Mohamed ElMessaoud,
Henry Bernard,
Merabet NacerEddine,
Daly Lucien
Publication year - 1994
Publication title -
geophysical journal international
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.302
H-Index - 168
eISSN - 1365-246X
pISSN - 0956-540X
DOI - 10.1111/j.1365-246x.1994.tb02123.x
Subject(s) - apparent polar wander , paleomagnetism , craton , clockwise , geology , orogeny , geophysics , paleontology , rotation (mathematics) , geometry , tectonics , mathematics
SUMMARY Palaeomagnetic studies have been carried out in a Stephano‐Autunian formation of the Saharan craton. Despite the presence of a strong recent magnetic overprint, some samples give a well‐defined characteristic remanent magnetization direction. Moreover, a new approach using the remagnetization circles has been used to confirm the significance of this direction. The obtained Stephano‐Autunian pole (35.3°S, 60.3°E) allows a substantial improvement of the apparent polar wander path (APWP) for stable Africa. This APWP clearly shows that the clockwise rotation of Africa, which occured during the Hercynian orogeny, was stopped during the Stephano‐Autunian period.