Journal article
An 40Ar/39Ar age of supergene K-Mn oxyhydroxides in a post-Gondwana soil profile on the Highveld of South Africa
HS Van Niekerk, J Gutzmer, NJ Beukes, D Phillips, GB Kiviets
South African Journal of Science | Published : 1999
Journal article
HS Van Niekerk, J Gutzmer, NJ Beukes, D Phillips, GB Kiviets
South African Journal of Science | Published : 1999