Locality
10°56´ east longitude, 51°87´ north latitiude [ map ]
Name
Friederike mine near Bad Harzburg, Germany, Europa
Historical relevance of location
Iron ore was mined from the steeply dipping Jurassic sediments at the north edge of the Harz Mts.
Geological relevance of location
The iron ore was deposited in the marginal parts of the Jurassic sea. It consists of small ooliths formed by wave-agitation of the sea. Know as roe-stone.
Classification of the earth
Structure
|
oolitic iron ore
|
Colour
|
reddish brown
|
Age
|
Jurassic
|
Donor
Geoscientific Collections Section of the Federal Institute for Geosciences and Natural Resources,
Geological Survey of Lower Saxony,
Hannover,
Germany