Assertion: district | /r/HasAspect | copper
Facets:
Source sentences:
text: This district has significant reserves of lead and platinum (about 85% of the total Russian reserves), molybdenum (80%), nickel (71%), copper (69%), zinc and manganese (more than 65%), silver and gold (more 40%), as well as titanium, tungsten, phosphorites, iron ore, bauxite, and other minerals.