Locality
10°37´ east longitude, 51°91´ north latitiude   [ map ]

Name
Granetal, Harz Mts., Germany, Europa

Personal relationship of donor
Geological mapping and mining research

Historical relevance of location
In the Middle Ages, metals were won by smelting ores at many sites in the Harz. Slag was also produced and much of the area was contaminated with heavy metals. Northwest of the Harz Mts., the flood plains of rivers draining abandoned mining and smelting sites show a high degree of pollution.

Classification of the earth

Structure	slag from the Middle Ages
Colour	dark grey
Age	Holocene

Donor

Geoscientific Collections Section of the Federal Institute for Geosciences and Natural Resources,
 Geological Survey of Lower Saxony,
 Hannover,
 Germany