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:
Homerton Mine, Okehampton Hamlets, West Devon, Devon, England, UK

Oldest recorded age at locality: 295
Youngest recorded age at locality: 295

mindat Locality ID: 235712
mindat URL: http://www.mindat.org/loc-235712.html

Tectonic Settings:

Total number of sublocalities beneath "Homerton Mine, Okehampton Hamlets, West Devon, Devon, England, UK": 0
Total number of bottom-level sublocalities: 0

Latitude: 50°41'49"N
Longitude: 4°2'45"W
Decimal Degree (lat, lon): 50.696944444444,-4.0458333333333

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	Calcite	None	Quartz

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 C Ca Fe O S Si

Elements from minerals reported directly at this locality: As C Ca Fe O S Si

Structural Groups for minerals in this locality:
Arsenopyrite Calcite None Quartz

3 IMA Minerals at location:

Arsenopyrite ()*	Calcite ()*	Quartz ()*

Mineral name	Structural Groups	IMA Formula	Max Age (Ma)	Min Age (Ma)	# of localities containing mineral
Arsenopyrite ()*	Arsenopyrite	FeAsS	295	295	9052
Calcite ()*	Calcite	Ca(CO₃)	295	295	27770
Quartz ()*	Quartz	SiO₂	295	295	61156

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
	Lucy_082	295	295	295	K/Ar	Age of cotact metamorphism					Yes				4571	Meldon Quarry (British Rail Quarry; British Railways Quarry; B. R. Quarry), Okehampton Hamlets, West Devon, Devon, England, UK	Meldon	Hawkes et al. (1978		US4_51	Age of contact metamorphism from intrusion of doloritic dyke and is equated to plutons in the area

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...