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Aluminum at 8 % by mass is more common in the Earth 's crust than in the universe and solar system , but the composition of the far more bulky mantle , which has magnesium and iron in place of aluminum ( which occurs there only at 2 % of mass ) more closely mirrors the elemental composition of the solar system , save for the noted loss of volatile elements to space , and loss of iron which has migrated to the Earth 's core .
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Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
 Entities:  
Answer:
 None