Geology and Ore Deposit Stamps - South Africa

Earlier this year someone posted this on Linked In; stamps showing beautiful cross sections of ten ore deposits of South Africa.

Geology as Art

Geology Poster of the Geologic Cross Sections Stamps

Plate Block of the Stamps

Mineral Stamps from Africa

Too bad America doesn't know the importance of minerals.  But enjoy following the link.

Link to Geology Stamps from South Africa