Core Viewpoint - A significant landslide occurred in the Rubaya tantalum mine area in eastern Democratic Republic of the Congo, resulting in over 200 fatalities, primarily among artisanal miners, including women and children [1] Group 1: Incident Details - The landslide took place over two days, from January 28 to 29, affecting multiple mine shafts [1] - The M23 movement, which has controlled the Rubaya area since April 2024, confirmed the incident [1] Group 2: Industry Impact - Rubaya is a crucial source of coltan, the primary ore for extracting tantalum, which is essential for high-tech applications such as smartphones, electric vehicles, fighter jets, and medical implants [1] - According to the United Nations, Rubaya alone accounts for over 15% of the global tantalum supply [1]