Published: 2020-07-02 12:11:07 BdST
The miners were collecting stones in the jade-rich Hpakant area of Kachin state when a "muddy wave" caused by heavy rain buried them, the fire service said in a Facebook post.
"Now in total 50 dead bodies," the post said. "We are still working on the rescue process."
Deadly landslides and other accidents are common in the poorly regulated mines of Hpakant.