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:
Co. Longford, Ireland

Oldest recorded age at locality: 359
Youngest recorded age at locality: 347

mindat Locality ID: 157065
mindat URL: http://www.mindat.org/loc-157065.html

Tectonic Settings:

Total number of sublocalities beneath "Co. Longford, Ireland": 3
Total number of bottom-level sublocalities: 1

Number of Child Localities: 1
Child Localities:
Ballymahon

Latitude: 53°38'48"N
Longitude: 7°44'10"W
Decimal Degree (lat, lon): 53.646666666667,-7.7361111111111

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.

Baryte	Chalcopyrite	Jalpaite	None	Pyrite	Quartz	Rocksalt	Sphalerite	Tetrahedrite

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 Ba C Ca Cu Fe Mg O Pb S Sb Si Zn

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Baryte Chalcopyrite Jalpaite None Pyrite Quartz Rocksalt Sphalerite Tetrahedrite

11 IMA Minerals at location:

Baryte ()*	Chalcopyrite ()*	Dolomite ()*	Freibergite ()*	Galena ()*
Jalpaite ()*	Pyrargyrite ()*	Pyrite ()*	Quartz ()*	Sphalerite ()*
Tetrahedrite-(Zn) ()*

Mineral name	Structural Groups	IMA Formula	Max Age (Ma)	Min Age (Ma)	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Baryte ()*	Baryte	Ba(SO₄)	359	347	1	67979	11547
Chalcopyrite ()*	Chalcopyrite	CuFeS₂	359	347	1	67979	27198
Dolomite ()*	None	CaMg(CO₃)₂	359	347	1	67979	9895
Freibergite ()*	Tetrahedrite	Ag₆[Cu₄Fe₂]Sb₄S₁₂	359	347	1	67979	663
Galena ()*	Rocksalt	PbS	359	347	1	67979	24243
Jalpaite ()*	Jalpaite	Ag₃CuS₂	359	347	1	67979	116
Pyrargyrite ()*	None	Ag₃SbS₃	359	347	1	67979	1425
Pyrite ()*	Pyrite	FeS₂	359	347	1	67979	39462
Quartz ()*	Quartz	SiO₂	359	347	1	67979	61156
Sphalerite ()*	Sphalerite	ZnS	359	347	1	67979	21482
Tetrahedrite-(Zn) ()*	Tetrahedrite	Cu₆(Cu₄Zn₂)Sb₄S₁₃	359	347	1	67979	5317

3 Ages assigned to this locality:

Excel ID	Max Age (Ma)	Min Age (Ma)	Age as listed in reference	Age Interpret	MinDat Locality ID	Dated Locality (Max Age)	Location as listed in reference	Reference	Reference ID
sedexmvt-00171	359	347	Early Mississippian	host rock age	2037	Garrycam Deposit (Keel Mine), Keel, Ballymahon, Co. Longford, Ireland	Garrycam	Taylor et al. (2009)	USGSOFR2009_1297
sedexmvt-00173	359	347	Early Mississippian	host rock age	2037	Garrycam Deposit (Keel Mine), Keel, Ballymahon, Co. Longford, Ireland	Keel	Taylor et al. (2009)	USGSOFR2009_1297
sedznpb-00257	359	347	Early Carboniferous, Tournaisian		2037	Garrycam Deposit (Keel Mine), Keel, Ballymahon, Co. Longford, Ireland	Keel/Garrycam	Singer et al. (2009)	USGSOFR2009-1252

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...