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Clooshgereen Mines (Cloosh Mine; Cregg Mine; Cloost Mine), Oughterard, Connemara, Co. Galway, Ireland

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Latitude & Longitude (WGS84): 53° 24' 50'' North , 9° 20' 26'' West
Latitude & Longitude (decimal): 53.41389,-9.34056


Clooshgereen and Cregg mines were Victorian era workings for lead. Though it is in close proximity, the Cregg mine is a separate unrelated working on the same mineralization.

The Cregg mine consists of a single shaft working which has since been in-filled as a new house now occupies the site.

The Clooshgereen mine consists of 3 shafts and an intersecting adit level. The 3 shafts have been in-filled with only a minor subsidence evident at the location of the most northerly shaft. The adit level is still extant though the portal is blocked by large boulders likely put in place using a mechanical excavator. It is plausible that the adit level is open behind these boulders until it meets the first in-filled shaft. The landowner at the site recalls the level being open though partly water-filled several decades ago.

Mine Features

Feature ITM Coordinates Geodetic Co-ordinates Notes
Adit Level 510896 741243 53.413860 -9.340627 Blocked portal
Shaft 1 510828 741256 53.414753 -9.341803 In-filled.
Shaft 2 510807 741240 53.413787 -9.341585 In-filled.
Shaft 3 510786 741220 53.413601 -9.341942 In-filled.
Cregg Shaft510791 741350 53.414753 -9.341803 In-filled.


Mineral List


6 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 Macrostrat.org

Permian - Carboniferous
252.17 - 358.9 Ma
Carboniferous-Permian sedimentary rocks

Age: Paleozoic (252.17 - 358.9 Ma)

Lithology: Sedimentary 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 Macrostrat.org, used under Creative Commons Attribution 4.0 License



This page contains all mineral locality references listed on mindat.org. 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 mindat.org 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.

References

Barry Flannery (personal observation 2008)
Barry Flannery (personal observation 12-12-2016)

 
Mineral and/or Locality  
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