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Glengowla East Mine, Glengowla, Oughterard, Connemara, Co. Galway, Ireland

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Latitude & Longitude (WGS84): 53° 25' 6'' North , 9° 22' 28'' West
Latitude & Longitude (decimal): 53.41833,-9.37444
Köppen climate type:Cfb : Temperate oceanic climate

Victorian era lead mine which was converted into a showmine in 1999 by the current owners (Paddy and Keith Geoghegan) due to much encouragement from mineral collectors, collecting is strictly prohibited now however.
Specimens from the mine can be seen on the guided tour in their small mineral museum.
There is a little grassy spoil just behind the wooden horse whim but collecting again, is prohibited.
In the deeper parts of the mine where the guided tour currently does not go, are brilliant colourless to light green octahedra of fluorite among other well crystallized associates including pyrite, quartz and calcite.

Irish grid ref. M 087419.
ITM 508633 741786

Mineral List

10 valid minerals.

Regional Geology

This geological map and associated information on rock units at or nearby to the coordinates given for this locality is based on relatively small scale geological maps provided by various national Geological Surveys. This does not necessarily represent the complete geology at this locality but it gives a background for the region in which it is found.

Click on geological units on the map for more information. Click here to view full-screen map on

358.9 - 443.8 Ma

ID: 1382506
Silurian-Devonian plutonic rocks

Age: Paleozoic (358.9 - 443.8 Ma)

Comments: Deep-seated to high-level intrusions are included. Many charnockites, anorthosites, and large ophiolites, classified as plutons, are distinguished in the database using the SIGNIF item. Ophiolites were classified as plutons, even where remnants may be extrusive and/or sedimentary.

Lithology: Plutonic rocks

Reference: Geological Survey of Canada. Generalized geological map of the world and linked databases. doi:10.4095/195142. Open File 2915d. [18]

Data and map coding provided by, used under Creative Commons Attribution 4.0 License

This page contains all mineral locality references listed on This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.


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Barry Flannery (personal observations)

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