Help mindat.org|Log In|Register|
Home PageMindat NewsThe Mindat ManualHistory of MindatCopyright StatusManagement TeamContact UsAdvertise on Mindat
Donate to MindatSponsor a PageSponsored PagesTop Available PagesMindat AdvertisersAdvertise on MindatThe Mindat Store
Minerals by PropertiesMinerals by ChemistryRandom MineralSearch by minIDLocalities Near MeSearch GlossaryMore Search Options
Search For:
Mineral Name:
Locality Name:
Keyword(s):
 
The Mindat ManualAdd a New PhotoRate PhotosLocality Edit ReportAdd Glossary Item
StatisticsMember ListBooks & MagazinesMineral Shows & EventsThe Mindat DirectoryHow to Link to MindatDevice Settings
Photo SearchPhoto GalleriesNew Photos TodayNew Photos YesterdayMembers' Photo GalleriesPast Photo of the Day Gallery

Galmoy Mine, Johnstown, Co. Kilkenny, Ireland

This page is currently not sponsored. Click here to sponsor this page.
 
 
A lead-zinc underground mine.
The orebody, in Lower Carboniferous rocks, was discovered in the 1960's when significant soil geochemical anomalies were found. More surveys were conducted in the 1980's and finally mineralization was found.
The mine began production in 1997 and various satellite orebodies have been found.
The ore is breccia-hosted and forms, generally stratabound lenses of predominantly massive sulphides consisting of sphalerite, Ag-bearing galena and pyrite/marcasite.
'Room and pillar' extraction methods are used and unfortunately backfilling as well making collecting difficult.
Requests to the geology department for specimens, or access, were consistently ignored, or refused on the grounds that mineral specimens are "property of the company" and cannot be allowed off site. A policy strongly defended by the chief geologist. They seem to have had no interest in preserving their natural mineralogical heritage for future generations.
The mine closed in summer 2009, but reopened shortly after to permit removal of some remaining high grade ore for processing at the nearby Lisheen mine. Of the three modern Irish zinc mines (Galmoy, Lisheen and Tara) Galmoy was the best for vugs and crystallised material, but for the aforementioned reasons almost nothing has been saved. The few pieces obtained from employees indicate that this mine may have been the greatest Irish mineralogical treasure trove since Silvermines.

Mineral List



28 entries listed. 26 valid minerals.

The above list 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

- Balassone, G., Rossi, M., Boni, M., Stanley, G., and McDermott, P. (2008): Mineralogical and geochemical characterization of nonsulfide Zn–Pb mineralization at Silvermines and Galmoy (Irish Midlands). Ore Geology Reviews 33, 168-186.

- http://www.arcon.ie/s/GalmoyMine.asp
- http://www.lundinmining.com/galmoy/index.php
- http://www.mining-technology.com/projects/galmoy/

Mineral and/or Locality  
Copyright © mindat.org 1993-2015, except where stated. Mindat.org relies on the contributions of thousands of members and supporters.
Privacy Policy - Terms & Conditions - Contact Us Current server date and time: January 26, 2015 08:34:07 Page generated: January 14, 2015 19:25:38