Vermiculite deposits in the Palaboroa area, N. E. Transvaal
Schwellnus, C. M. (Carl Martin)
1911-
creator
text
sa
Pretoria
The Government Printer
1938
monographic
eng
27 p. incl. illus. (maps) tables, diagrs. 24 cm.
by C. M. Schwellnus ... Publication of the Geological Survey Division.
At head of title: ... Union of South Africa. Department of Mines.
Bibliographical foot-notes.
Vermiculite
Mines and mineral resources
South Africa
Transvaal
QE325 .A53 no. 11
Geological series. Bulletin (South Africa. Geological Survey Division) ; no. 11
gs 40000174
U.S. Geol. Survey. Library
810504
20260227111345.0
gs 40000174