Locality
10°51´ east longitude, 52°26´ north latitiude   [ map ]

Name
Shaft Anna-Mathilde, Braunschweig, Germany, Europa

Personal relationship of donor
Economic geology collection

Historical relevance of location
The sedimentary iron ores of the Salzgitter region were the basis for the local industry, which today obtains its raw materials from elsewhere.

Geological relevance of location
The rise in sea level in Cretaceous times led to erosion, reworking and accumulation of iron-bearing nodules out of layers of Jurassic claystone.

Classification of the earth

Structure	iron ore
Colour	dark beige
Age	Hauterivian, Cretaceous, 150 million years
other	The conglomeratic iron ore of the Salzgitter area is locally known as \"Trümmererz\".

Donor

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