Mineral Evolution Database

Created and maintained by the Mineral Evolution Project in partnership with RRUFF and mindat.

Mineral locality data provided by mindat.org

The Mineral Evolution database is currently under development.

The goal of this page is to present localities at which the mineral is found, and estimates of the oldest possible geologic age of the minerals at these localities.

Locality Name:
Högmon Mine, Åmmeberg, Askersund, Örebro County, Sweden

Oldest recorded age at locality: 2881
Youngest recorded age at locality: 1865

mindat Locality ID: 10737
mindat URL: http://www.mindat.org/loc-10737.html

Tectonic Settings:

Total number of sublocalities beneath "Högmon Mine, Åmmeberg, Askersund, Örebro County, Sweden": 0
Total number of bottom-level sublocalities: 0

Latitude: 58°54'4"N
Longitude: 15°1'13"E
Decimal Degree (lat, lon): 58.901111111111,15.020277777778

A	This mineral is Anthropogenic.
G	This mineral is directly dated.
B	This mineral is reported as having this age.
Y	This mineral is using an age reported as an element mineralization period.
O	This mineral is using an age calculated from all data at the locality.
R	The age displayed for this mineral originates from a different, non-child locality.
P	The age displayed for this mineral is the range of ages for this mineral at all of this locality's children.
	This mineral's age has not yet been recorded.

Arsenopyrite	Clay	Corundum	Diaspore	Marcasite	Mica	None	Rutile	Zircon

This Mineral list contains entries from this locality, including sub-localities. Minerals in bold are reported by mindat.org as occurring directly at this locality, and do not occur at any children (sublocalities) of this locality.

Elements at this locality, including sub-localities: Al As Co Fe H K O S Sb Si Ti Zr

Elements from minerals reported directly at this locality: Al As Co Fe H K O S Sb Si Ti Zr

Structural Groups for minerals in this locality:
Arsenopyrite Clay Corundum Diaspore Marcasite Mica None Rutile Zircon

8 IMA Minerals at location:

Glaucodot ()*	Goethite ()*	Gudmundite ()*	Ilmenite ()*	Marcasite ()*
Muscovite ()*	Rutile ()*	Zircon ()*

Mineral name	Structural Groups	IMA Formula	Max Age (Ma)	Min Age (Ma)	# of localities containing mineral
Glaucodot ()*	Arsenopyrite	(Co_0.5Fe_0.5)AsS	2881	1865	131
Goethite ()*	Diaspore	FeO(OH)	2881	1865	7437
Gudmundite ()*	Arsenopyrite	FeSbS	2881	1865	170
Ilmenite ()*	Corundum	Fe²⁺Ti⁴⁺O₃	2881	1865	5433
Marcasite ()*	Marcasite	FeS₂	2881	1865	5674
Muscovite ()*	Mica Clay	KAl₂(Si₃Al)O₁₀(OH)₂	2881	1865	17380
Rutile ()*	Rutile	TiO₂	2881	1865	5614
Zircon ()*	Zircon	Zr(SiO₄)	2881	1907	5251

Locality Notes from all Ages at Locality:

Age ID	Locality Notes
Giersdorf_00000293	Component of the Åmmeberg Zn-Pb district in Sweden, more precisely the lowermost unit in the Emme Group
Giersdorf_00000294	Component of the Åmmeberg Zn-Pb district in Sweden, more precisely the lowermost unit in the Emme Group
Giersdorf_00000295	Component of the Åmmeberg Zn-Pb district in Sweden, more precisely the lowermost unit in the Emme Group
Giersdorf_00000296	Component of the Åmmeberg Zn-Pb district in Sweden, unit overlaying the lowermost part of the Emme group which is a homogeneous, medium-grained arkose
Giersdorf_00000297	Component of the Åmmeberg Zn-Pb district in Sweden, unit overlaying the lowermost part of the Emme group which is a homogeneous, medium-grained arkose
Giersdorf_00000298	Component of the Åmmeberg Zn-Pb district in Sweden, this unit overlies the Närkesberg arkose
Giersdorf_00000299	Component of the Åmmeberg Zn-Pb district in Sweden, this unit is the lateral correlative of the Mariedamm Volcanic Unit

7 Ages assigned to this locality:

Excel ID	Max Age (Ma)	Min Age (Ma)	Age as listed in reference	Dating Method	Age Interpret	Age from other Locality	Minerals explicitely stated as having this age	MinDat Locality ID	Dated Locality (Max Age)	Location as listed in reference	Reference	Reference DOI	Reference ID	Age Notes
Giersdorf_00000293	1919	1883	1901±18	U-Pb		Yes		24110	Åmmeberg, Askersund, Örebro County, Sweden	Mösjön unit	Kumpulainen et al. (1996)	10.2113/gsecongeo.91.6.1009	EG91_1009
Giersdorf_00000294	1919	1883	1901±18	U-Pb		Yes		24110	Åmmeberg, Askersund, Örebro County, Sweden	Gökberget unit	Kumpulainen et al. (1996)	10.2113/gsecongeo.91.6.1009	EG91_1009
Giersdorf_00000295	1919	1883	1901±18	U-Pb		Yes		24110	Åmmeberg, Askersund, Örebro County, Sweden	Igelfors Formation	Kumpulainen et al. (1996)	10.2113/gsecongeo.91.6.1009	EG91_1009
Giersdorf_00000296	2011	1907	1959±52	Pb-Pb	Two ages of zircons found in the arkose layer of the Närkesberg Formation are derived from Paleoproterozoic and Archean sources	Yes	Zircon	24110	Åmmeberg, Askersund, Örebro County, Sweden	Närkesberg Formation	Kumpulainen et al. (1996)	10.2113/gsecongeo.91.6.1009	EG91_1009
Giersdorf_00000297	2881	2525	2703±178	Pb-Pb	Two ages of zircons found in the arkose layer of the Närkesberg Formation are derived from Paleoproterozoic and Archean sources	Yes	Zircon	24110	Åmmeberg, Askersund, Örebro County, Sweden	Närkesberg Formation	Kumpulainen et al. (1996)	10.2113/gsecongeo.91.6.1009	EG91_1009
Giersdorf_00000298	1924	1865	1924-1865	U-Pb		Yes		24110	Åmmeberg, Askersund, Örebro County, Sweden	Mariedamm Volcanic Unit	Kumpulainen et al. (1996)	10.2113/gsecongeo.91.6.1009	EG91_1009	Age is associated with the deposition of the Zinkgruvan Zn-Pb-Ag ores and its related Höksjön limestone sequence.
Giersdorf_00000299	1924	1865	1924-1865	U-Pb		Yes		24110	Åmmeberg, Askersund, Örebro County, Sweden	Godegård Volcanic Unit	Kumpulainen et al. (1996)	10.2113/gsecongeo.91.6.1009	EG91_1009	Age is associated with the deposition of the Zinkgruvan Zn-Pb-Ag ores and its related Höksjön limestone sequence.

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...