UPDATE 1-Harmony halts ops at SAfrica mine after fatality

* Output, tramming ops halted at 2nd mine after accident

* Expects Merriespruit shaft output to resume Wednesday * Production at Elandsrand mine restarted on Monday

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JOHANNESBURG, Dec 1 (Reuters) - Harmony Gold Mining Co. (HARJ.J), the world's No. 5 producer of the metal, said output was suspended on Tuesday at its Merriespruit 3 shaft in South Africa after a mineworker was killed in an accident on Monday.

The fatality was the second at a Harmony operation in less than a week, after another worker was killed at the company's Elandsrand mine on Friday, temporarily stopping production.

Esha Brijmohan, a spokeswoman for South Africa's Harmony, said the National Union of Mineworkers (NUM) -- South Africa's biggest union -- had declared a day of mourning at the mine on Tuesday, halting all production activities.

"It's a day of mourning so that will affect production," Brijmohan told Reuters.

"Our management team still needs to present to the Department of Minerals so if everything goes well we would expect production to resume by tomorrow (Wednesday) afternoon, but that will depend on the presentation."

Production at Elandsrand resumed on Monday night, she said.

South Africa has the world's deepest mines and one of the highest rates of work-related mining deaths in the industrialised world. Last year 168 workers died in mines, down 24 percent from the previous year. So far this year more than 120 miners have died in South African mines. (Reporting by Muchena Zigomo) ((muchena.zigomo@thomsonreuters.com; +27 11 775 3159; Reuters Messaging: muchena.zigomo.reuters.com@reuters.net)) (For more Africa cover visit: af.reuters.com/ -- To comment on this story email: SouthAfrica.Newsroom@reuters.com)