The problem is that facies could be represented by symbols (thus a dasymetric map) or by color (and hence not a dasymetric). What makes it a facies map is that it represent facies, but not necessarily by symbols. This should be moved to geological map.
The problem is that facies could be represented by symbols (thus a dasymetric map) or by color (and hence not a dasymetric). What makes it a facies map is that it represent facies, but not necessarily by symbols. This should be moved to geological map.