The accident occurred in number 6 shaft area of the mine.
Management has notified the Minister of Mines and Mining Development and the Inspector of Mines and will provide all the necessary assistance to the Ministry of Mines Inspectorate Department in its enquiry into this incident.
The company said that until such a time as the outcome of this enquiry has been reached, no further details could be released.
The directors and management of Caledonia and Blanket have expressed their sincere condolences to the family and colleagues of the deceased.
"We take the safety of our employees very seriously at Blanket so we are very disappointed with this fatality,” said chief executive officer Steve Curtis.
“I join with my colleagues in expressing our sincere condolences to the family, colleagues and friends of the deceased".