Abstract
A preliminary study has been made to establish pressure, temperature and water activity parameters for the high-grade metamorphism of the early Archaean supracrustal rocks exposed in the Limpopo Mobile Belt near Messina, South Africa. The results reported here indicate that a significant orogenic crustal thickness up to ∼30 km was developed before ∼3,100 Myr ago in the region.
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Horrocks, P. Ancient Archaean supracrustal rocks from the Limpopo Mobile Belt. Nature 286, 596–599 (1980). https://doi.org/10.1038/286596a0
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DOI: https://doi.org/10.1038/286596a0
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