An assessment of rock material was carried out in this study to determine the wear resistances of drill bit due to physical properties of granite and old alluvium. This study intends to provide a current state of-the-art comparison of petrographical analysis ...

The Geological Curators Group, which is affiliated to the Geological Society, was founded in May 1974 by geologists concerned about the poor standard of geological curation and consequent plight of geological collections in many of the museums ...