Segers-Glocke, Christiane [Hrsg.]; Niedersächsisches Landesamt für Denkmalpflege [Hrsg.]; Institut für Denkmalpflege [Hrsg.]; Balck, Friedrich [Bearb.]: Arbeitshefte zur Denkmalpflege in Niedersachsen: Aspects of mining and smelting in the Upper Harz Mountains (up to the 13th/14th century) - in the early times of a developing European culture and economy (St. Katharinen: Scripta Mercaturae Verl., Heft 22.2000)

II

Preliminary results 47
a. Medieval sites of the 9th—10th century - situated on springs or the 47
upper course of streams
b. Medieval „smelters in the woods“ of the 10th—11th century - 48
situated often in the transition from a steep valley to the
surrounding plateau on exposed upstream sites
c. Medieval „smelters in the woods“ of the 12th—13th century - 48
situated on small streams in high valleys, not particularly exposed
d. Medieval smelters of the 13^-14* century - situated along larger 49
streams
e. Modem smelters, from the 16th century onward 49
Summary 50
Zusammenfassung 50
Literature 51
Wolfgang Brockner and Karin Hegerhorst
Early copper, lead and silver production processes 53
Introduction 53
Ore resources of the Harz 53
Aims of the archaeometrical investigations 54
Copper winning 55
Lead / silver line 58
a. Roast reaction process 58
b. Roast reduction process 58
c. Lead soaking („Verbleiendes Schmelzen“) 59
d. Silver winning by cupellation 61
Other non-ferrous alloys - brass 62
Summary 62
Zusammenfassung 63
Acknowledgements 63
Literature 63