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:
Roter Bär Mine, St Andreasberg, St Andreasberg District, Harz, Lower Saxony, Germany

Oldest recorded age at locality: 138.3
Youngest recorded age at locality: 133.1

mindat Locality ID: 13517
mindat URL: http://www.mindat.org/loc-13517.html

Tectonic Settings:

Total number of sublocalities beneath "Roter Bär Mine, St Andreasberg, St Andreasberg District, Harz, Lower Saxony, Germany": 0
Total number of bottom-level sublocalities: 0

Latitude: 0°0'0"N
Longitude: 0°0'0"E
Decimal Degree (lat, lon): 0,0

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.

Adelite	Baryte	Calcite	Clay	Copper	Corundum	Covellite	Fluorite	Marcasite	Millerite
Nolanite	None	Not in a structural group	Pyrite	Rocksalt	Smectite-vermiculite	Sphalerite	Stibnite	Stillwaterite	Ullmannite

Baryte ()*	Berzelianite ()*	Bohdanowiczite ()*	Calcite ()*	Clausthalite ()*
Duftite ()*	Eucairite ()*	Ferroselite ()*	Galena ()*	Gold ()*
Guanajuatite ()*	Häggite ()*	Hematite ()*	Karelianite ()*	Klockmannite ()*
Maucherite ()*	Mertieite-II ()*	Millerite ()*	Naumannite ()*	Nolanite ()*
Nontronite ()*	Gersdorffite-Pa3 ()*	Smythite ()*	Sphalerite ()*	Stilleite ()*
Tiemannite ()*	Ullmannite ()*	Umangite ()*	Uraninite ()*

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: Ag Al As Au Ba Bi C Ca Cu Fe H Hg Na Ni O Pb Pd S Sb Se Si Ti U V Zn

Elements from minerals reported directly at this locality: Ag Al As Au Ba Bi C Ca Cu Fe H Hg Na Ni O Pb Pd S Sb Se Si U V Zn

Structural Groups for minerals in this locality:
Adelite Baryte Calcite Clay Copper Corundum Covellite Fluorite Marcasite Millerite
Nolanite None Not in a structural group Pyrite Rocksalt Smectite-vermiculite Sphalerite Stibnite Stillwaterite Ullmannite

29 IMA Minerals at location:

Mineral name	Structural Groups	IMA Formula	Max Age (Ma)	Min Age (Ma)	# of localities containing mineral
Baryte ()*	Baryte	Ba(SO₄)	138.3	133.1	11547
Berzelianite ()*	None	Cu_2-xSe (x ≈ 0.12)	138.3	133.1	66
Bohdanowiczite ()*	None	AgBiSe₂	138.3	133.1	41
Calcite ()*	Calcite	Ca(CO₃)	138.3	133.1	27770
Clausthalite ()*	Rocksalt	PbSe	138.3	133.1	281
Duftite ()*	Adelite	PbCu(AsO₄)(OH)	138.3	133.1	220
Eucairite ()*	None	CuAgSe	138.3	133.1	54
Ferroselite ()*	Marcasite	FeSe₂	138.3	133.1	51
Galena ()*	Rocksalt	PbS	138.3	133.1	24243
Gold ()*	Copper	Au	138.3	133.1	30554
Guanajuatite ()*	Stibnite	Bi₂Se₃	138.3	133.1	37
Häggite ()*	None	V³⁺V⁴⁺O₂(OH)₃	138.3	133.1	17
Hematite ()*	Corundum	Fe₂O₃	138.3	133.1	14640
Karelianite ()*	Corundum	V₂O₃	138.3	133.1	17
Klockmannite ()*	Covellite	Cu_5.2Se₆	138.3	133.1	63
Maucherite ()*	None	Ni₁₁As₈	138.3	133.1	161
Mertieite-II ()*	Stillwaterite	Pd₈Sb_2.5As_0.5	138.3	133.1	44
Millerite ()*	Millerite	NiS	138.3	133.1	1066
Naumannite ()*	Not in a structural group	Ag₂Se	138.3	133.1	192
Nolanite ()*	Nolanite	V³⁺₈Fe³⁺₂O₁₄(OH)₂	138.3	133.1	19
Nontronite ()*	Clay Smectite-vermiculite	Na_0.3Fe³⁺₂(Si,Al)₄O₁₀(OH)₂·nH₂O	138.3	133.1	471
Gersdorffite-Pa3 ()*	Pyrite	NiAsS	138.3	133.1	767
Smythite ()*	None	(Fe,Ni)_3+xS₄ (x ≈ 0-0.3)	138.3	133.1	77
Sphalerite ()*	Sphalerite	ZnS	138.3	133.1	21482
Stilleite ()*	Sphalerite	ZnSe	138.3	133.1	7
Tiemannite ()*	Sphalerite	HgSe	138.3	133.1	83
Ullmannite ()*	Ullmannite	NiSbS	138.3	133.1	293
Umangite ()*	None	Cu₃Se₂	138.3	133.1	71
Uraninite ()*	Fluorite	UO₂	138.3	133.1	2718

1 Ages assigned to this locality:

	Excel ID	Max Age (Ma)	Min Age (Ma)	Age as listed in reference	Dating Method	Age Interpret	Prioritized?	Sample Source	Sample Num	Run Num	Age from other Locality	Dated Mineral	Minerals explicitely stated as having this age	Age applies to these Elements	MinDat Locality ID	Dated Locality (Max Age)	Location as listed in reference	Reference	Reference DOI	Reference ID	Age Notes
	Kristen002289	138.3	133.1	135.7±2.6	40Ar/39Ar			adularia			Yes				6009	Bergmannstrost Mine, St Andreasberg, St Andreasberg District, Harz, Lower Saxony, Germany	Bergmannstrost Vein	Mertz et al. (1989)	10.1007/BF00206715	MD24_9

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...