Locality
6°50´ east longitude, 51°50´ north latitiude   [ map ]

Name
Shaft 4, Hörstgen, Issum, Germany, Europa

Political relevance of location
Sample was taken during exploration of coal deposits after 1945.

Geological relevance of location
Kupferschiefer: Along the lower Rhine, the Upper Permian shales overlie the coal of the Upper Carboniferous. The name Kupferschiefer is from the time when this formation was mined for copper.

Classification of the earth

Structure	oxygen-deficient sediment deposited in an ancient ocean
Colour	dark grey to black
Age	Permian

Donor

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