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:
Julia Mine, Herne, Ruhr Coal Mining Area, North Rhine-Westphalia, Germany

mindat Locality ID: 8208
mindat URL: http://www.mindat.org/loc-8208.html

Tectonic Settings: Continental Extension

Total number of sublocalities beneath "Julia Mine, Herne, Ruhr Coal Mining Area, North Rhine-Westphalia, Germany": 0
Total number of bottom-level sublocalities: 0

Latitude: 51°32'29"N
Longitude: 7°11'36"E
Decimal Degree (lat, lon): 51.541388888889,7.1933333333333

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.

Alunite	Baryte	Blödite	Calcite	Chalcanthite	Chalcopyrite	Clay	Copiapite	Coquimbite	Gypsum
Halotrichite	Hexahydrite	Kaolinite	Kieserite	Marcasite	Melanterite	Metavoltine	Millerite	None	Pyrite
Quartz	Rocksalt	Römerite	Sphalerite	Spinel	Sulphur	Tamarugite	Voltaite

Ankerite ()*	Baryte ()*	Blödite ()*	Calcite ()*	Chalcopyrite ()*
Copiapite ()*	Coquimbite ()*	Dolomite ()*	Ferrinatrite ()*	Galena ()*
Gypsum ()*	Halite ()*	Halotrichite ()*	Hexahydrite ()*	Marcasite ()*
Melanterite ()*	Mendozite ()*	Metavoltine ()*	Millerite ()*	Nacrite ()*
Natrojarosite ()*	Pickeringite ()*	Pyrite ()*	Quartz ()*	Römerite ()*
Siderite ()*	Sideronatrite ()*	Siderotil ()*	Siegenite ()*	Sphalerite ()*
Sulphur ()*	Szomolnokite ()*	Tamarugite ()*	Voltaite ()*

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 Ba C Ca Cl Co Cu Fe H K Mg Na Ni O Pb S Si Zn

Elements from minerals reported directly at this locality: Al Ba C Ca Cl Co Cu Fe H K Mg Na Ni O Pb S Si Zn

Structural Groups for minerals in this locality:
Alunite Baryte Blödite Calcite Chalcanthite Chalcopyrite Clay Copiapite Coquimbite Gypsum
Halotrichite Hexahydrite Kaolinite Kieserite Marcasite Melanterite Metavoltine Millerite None Pyrite
Quartz Rocksalt Römerite Sphalerite Spinel Sulphur Tamarugite Voltaite

34 IMA Minerals at location:

Mineral name	Structural Groups	IMA Formula	# of localities containing mineral
Ankerite ()*	None	Ca(Fe²⁺,Mg)(CO₃)₂	3092
Baryte ()*	Baryte	Ba(SO₄)	11547
Blödite ()*	Blödite	Na₂Mg(SO₄)₂·4H₂O	130
Calcite ()*	Calcite	Ca(CO₃)	27770
Chalcopyrite ()*	Chalcopyrite	CuFeS₂	27198
Copiapite ()*	Copiapite	Fe²⁺Fe³⁺₄(SO₄)₆(OH)₂·20H₂O	382
Coquimbite ()*	Coquimbite	AlFe₃(SO₄)₆(H₂O)₁₂·6H₂O	136
Dolomite ()*	None	CaMg(CO₃)₂	9895
Ferrinatrite ()*	None	Na₃Fe³⁺(SO₄)₃·3H₂O	25
Galena ()*	Rocksalt	PbS	24243
Gypsum ()*	Gypsum	Ca(SO₄)·2H₂O	6890
Halite ()*	Rocksalt	NaCl	1398
Halotrichite ()*	Halotrichite	Fe²⁺Al₂(SO₄)₄·22H₂O	409
Hexahydrite ()*	Hexahydrite	Mg(SO₄)·6H₂O	251
Marcasite ()*	Marcasite	FeS₂	5674
Melanterite ()*	Melanterite	Fe(SO₄)·7H₂O	915
Mendozite ()*	None	NaAl(SO₄)₂·11H₂O	28
Metavoltine ()*	Metavoltine	K₂Na₆Fe²⁺Fe³⁺₆O₂(SO₄)₁₂·18H₂O	78
Millerite ()*	Millerite	NiS	1066
Nacrite ()*	Clay Kaolinite	Al₂Si₂O₅(OH)₄	112
Natrojarosite ()*	Alunite	NaFe³⁺₃(SO₄)₂(OH)₆	254
Pickeringite ()*	Halotrichite	MgAl₂(SO₄)₄·22H₂O	265
Pyrite ()*	Pyrite	FeS₂	39462
Quartz ()*	Quartz	SiO₂	61156
Römerite ()*	Römerite	Fe²⁺Fe³⁺₂(SO₄)₄·14H₂O	115
Siderite ()*	Calcite	Fe(CO₃)	6417
Sideronatrite ()*	None	Na₂Fe³⁺(SO₄)₂(OH)·3H₂O	73
Siderotil ()*	Chalcanthite	Fe(SO₄)·5H₂O	84
Siegenite ()*	Spinel	CoNi₂S₄	249
Sphalerite ()*	Sphalerite	ZnS	21482
Sulphur ()*	Sulphur	S	2045
Szomolnokite ()*	Kieserite	Fe(SO₄)·H₂O	139
Tamarugite ()*	Tamarugite	NaAl(SO₄)₂·6H₂O	87
Voltaite ()*	Voltaite	K₂Fe²⁺₅Fe³⁺₃Al(SO₄)₁₂·18H₂O	111

No ages have been assigned to this locality yet.

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...