789
Caucasus has many economically important minerals and energy resources , such as alunite , gold , chromium , copper , iron ore , mercury , manganese , molybdenum , lead , tungsten , uranium , zinc , oil , natural gas , and coal ( both hard and brown ) .
 location: Caucasus
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 location: Caucasus