Matthias Bel in his work Notitia Hungariae Novae historico-geographica offered a contemporary view of the status, importance, response and concrete realities of counties of Hungary within the Habsburg monarchy. The study is historical and geographical research history and environmental issues of non-ferrous raw materials, and their extraction in the Nitra County in the first half of the 18th century. Description of the subject contains text „Other finds“ in § XII. science section (Membrum primum physicum) of general parts of Notitia of Nitra County in Hungary (1742). The „probe‟ into Bel’s characteristics of this theme we have realized through critical commentary on contemporary texts supplemented by other sources, respectively literature and information obtained by studying geological maps. We finally compared specific findings with the results of field research and their own knowledge of the subject.