Workers have decided to down tools and cease operations over the proposed temporary closure of the mines with the loss of 650 jobs.
The country's biggest trade union looks set to call for an immediate and major intervention by the Government to protect the future of Tara Mines.
Talks between SIPTU and management at the Workplace Relations Commission ended without any substantial progress.
That's led workers to down tools and cease operations over the proposed temporary closure of the mines with the loss of 650 jobs.
The ICTU's Biennial Delegate Conference will debate an emergency motion on the matter today..
SIPTU Divisional Organiser, Adrian Kane says workers are frustrated by the lack of progress at the talks.

Daniel Kinahan Set To Apply For Bail
Former Swimming Coach George Gibney Jailed For Over 15 Years For Sexual Abuse Of Children
Robert Pether Returning To Ireland After Five-Year Iraqi Detention
Over 23,000 Teachers Beginning Industrial Action Today
New Funding Announced For Youth Services And Counselling In Kildare On World Mental Health Day
Jury In Triple Murder Trial Of Louth Family Sent Home
Appointment Cancellations Expected As Strikes To Take Place Next Week
Families Face Delays Arranging Funerals Amid Pressure On Post-Mortem Services