There's no difference in this context.
The author could have chosen to use them the other way round.
Rover
It's believed that before long the mix of nationalities will be so great that there will be no distinct major racial or cultural groups, but simply a mixture of many races and cultures.
What's the difference of "mix" or "mixture"? Why does the author use them in the above situations respectively?
Thanks
There's no difference in this context.
The author could have chosen to use them the other way round.
Rover
There is no difference that I can put my finger on, so I cannot disagree with you. Personally, however, I would have used the words as they were used in the original sentence. For me, a mix is less inextricably bound together than a mixture.
Learners should not that this is my personal view. I have not been able to find any dictionary support for this.
Context is important. Please provide enough for us to be able to deal effectively with your question.
Your thread title should include all or part of the word/phrase being discussed.
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So the two words are interchangable in the above situation, aren't they?
Thanks
I agree that it sounds OK the way the author put it.
This is why "the melting pot" is used as a metaphor for assimilation into the US. Everything eventually melts into one, but when you throw a new lump of metal into the pot, it is still recognizable and distinct as its own lump for a while.