The first part of this treatise  examined a system for the characterization of deposits on the basis of geological bodies and their features. This serves as the basis for the selection, dimensioning, design and development of machinery and systems for mining and for the winning and processing of raw materials.
The succeeding part of the treatise discusses in terms of its characterization a complex deposit, namely the hard-coal deposit of the Ruhr area.
4 Hard coal deposits of the Ruhr region
From Ireland through to Russia, significant deposits of hard-coal were formed in Europe during the...