Abstract

Data compiled from questionnaires sent out by the SEG Geophysical Activity Committee shows that worldwide utilization of mining geophysical methods reached a new high in 1967, with total U.S. expenditures of 32 million. This was divided as follows: ground methods, 18 million; airborne methods, 10 million; and research, 4 million. For ground methods, most money was spent on the induced-polarization technique with electromagnetic methods second. World distribution of mining activity in 1967 is tabulated.

This content is PDF only. Please click on the PDF icon to access.

First Page Preview

First page PDF preview
You do not currently have access to this article.