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:
Harwood, Forest And Frith, Co. Durham, England, UK

mindat Locality ID: 49395
mindat URL: http://www.mindat.org/loc-49395.html

Tectonic Settings:

Total number of sublocalities beneath "Harwood, Forest And Frith, Co. Durham, England, UK": 6
Total number of bottom-level sublocalities: 6

Number of Child Localities: 6
Child Localities:
Ashgillhead Mine
Cadger Well Level
Grasshill Mine
Ladys Rake Mine
Langdon Head Mine
Willyhole Mine

Latitude: 54°45'18"N
Longitude: 2°15'9"W
Decimal Degree (lat, lon): 54.755,-2.2525

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.

Apatite	Aragonite	Baryte	Calcite	Clay	Corundum	Diaspore	Fluorite	Nickeline	None
Not in a structural group	Pyrite	Quartz	Rocksalt	Sphalerite	Spinel	Talc	Ullmannite	Vivianite	Wurtzite

Ankerite ()*	Annabergite ()*	Baryte ()*	Calcite ()*	Cerussite ()*
Fluorite ()*	Galena ()*	Goethite ()*	Greenockite ()*	Hematite ()*
Hemimorphite ()*	Magnetite ()*	Nickeline ()*	Gersdorffite-Pa3 ()*	Pyromorphite ()*
Quartz ()*	Siderite ()*	Smithsonite ()*	Sphalerite ()*	Talc ()*
Ullmannite ()*

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: As Ba C Ca Cd Cl F Fe H Mg Ni O P Pb S Sb Si Zn

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Apatite Aragonite Baryte Calcite Clay Corundum Diaspore Fluorite Nickeline None
Not in a structural group Pyrite Quartz Rocksalt Sphalerite Spinel Talc Ullmannite Vivianite Wurtzite

21 IMA Minerals at location:

Mineral name	Structural Groups	IMA Formula	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Ankerite ()*	None	Ca(Fe²⁺,Mg)(CO₃)₂	1	117046	3092
Annabergite ()*	Vivianite	Ni₃(AsO₄)₂·8H₂O	1	117046	445
Baryte ()*	Baryte	Ba(SO₄)	2	117046,117048	11547
Calcite ()*	Calcite	Ca(CO₃)	2	117046,117047	27770
Cerussite ()*	Aragonite	Pb(CO₃)	1	117045	4979
Fluorite ()*	Fluorite	CaF₂	3	117043,117045,117047	9617
Galena ()*	Rocksalt	PbS	5	117043,117045,117046,117047,117048	24243
Goethite ()*	Diaspore	FeO(OH)	2	117045,117047	7437
Greenockite ()*	Wurtzite	CdS	2	117043,117048	717
Hematite ()*	Corundum	Fe₂O₃	1	117047	14640
Hemimorphite ()*	Not in a structural group	Zn₄(Si₂O₇)(OH)₂·H₂O	1	117043	1689
Magnetite ()*	Spinel	Fe²⁺Fe³⁺₂O₄	2	117044,117046	14899
Nickeline ()*	Nickeline	NiAs	1	117046	633
Gersdorffite-Pa3 ()*	Pyrite	NiAsS	1	117046	767
Pyromorphite ()*	Apatite	Pb₅(PO₄)₃Cl	1	117045	1725
Quartz ()*	Quartz	SiO₂	3	117043,117045,117048	61156
Siderite ()*	Calcite	Fe(CO₃)	2	117045,117046	6417
Smithsonite ()*	Calcite	Zn(CO₃)	1	117048	2473
Sphalerite ()*	Sphalerite	ZnS	2	117046,117048	21482
Talc ()*	Clay Talc	Mg₃Si₄O₁₀(OH)₂	1	117046	3337
Ullmannite ()*	Ullmannite	NiSbS	1	117046	293

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...