Pseudosection of an Wenner-α configuration and representation of the apparent influence of resistance. The contrast between the copper slate flute and the bedrock can be clearly seen here (Röhrig mine, Wettelrode)
Pseudosection of an Wenner-Alpha configuration and representation of the apparent influence of resistance. The contrast between the copper slate flute and the bedrock can be clearly seen here (Röhrig mine, Wettelrode)
Source: BGR