Mellan ore field (Middle field), Hällefors silver mines, Hällefors, Västmanland, Sweden
|Latitude & Longitude (WGS84):||59° 51' 21'' North , 14° 28' 45'' East|
|Latitude & Longitude (decimal):||59.85605,14.47931|
|Other regions containing this locality:||Scandinavia|
|Köppen climate type:||Dfc : Subarctic climate|
|Name(s) in local language(s):||Mellanfältet, Hällefors silvergruvor, Hällefors, Västmanland, Sverige|
Within the western and middle fields the sulphide ores occur as fissure fillings hosted by hard, dark volcanic units (hälleflinta).
Canadian Mineralogist (1984) 22 (4), 583-593
16 valid minerals.
GeochronologyMineralization age: Statherian : 1670 Ma
Important note: This table is based only on rock and mineral ages recorded below and is not necessarily a complete representation of the geochronology, but does give an indication of possible mineralization events relevant to this locality. As more age information is added this table may expand in the future. A break in the table simply indicates a lack of data entered here, not necessarily a break in the geologic sequence. Grey background entries are from different, related, localities.
|Geologic Time||Rocks, Minerals and Events|
This geological map and associated information on rock units at or nearby to the coordinates given for this locality is based on relatively small scale geological maps provided by various national Geological Surveys. This does not necessarily represent the complete geology at this locality but it gives a background for the region in which it is found.
Click on geological units on the map for more information. Click here to view full-screen map on Macrostrat.org
1800 - 2050 Ma