2026-04-242026-04-2419772026*1977http://hdl.handle.net/2263/109762Dissertation (MSc)--University of Pretoria, 1977.Abstract available on PDFen© 2025 University of Pretoria. All rights reserved. The copyright in this work vests in the University of Pretoria. No part of this work may be reproduced or transmitted in any form or by any means, without the prior written permission of the University of Pretoria.UCTDTransvaalInvestigationZeerustZinc OresFluor-sparA photogeological investigation of the major controls of fluor-spar, lead and zinc ores in the Zeerust area, Western TransvaalDissertation