Word Study
    facies
CIDE DICTIONARY
facies, n. [L., from, face. See Face.]. 
                                            -                                     The anterior part of the head; the face. [1913 Webster]
-                                     The general aspect or habit of a species, or group of species, esp. with reference to its adaptation to its environment. [1913 Webster]
-                                     The face of a bird, or the front of the head, excluding the bill. [1913 Webster]
OXFORD DICTIONARY
facies, n.  (pl. same)
1 Med. the appearance or facial expression of an individual.
2 Geol. the character of rock etc. expressed by its composition, fossil content, etc.
                    1 Med. the appearance or facial expression of an individual.
2 Geol. the character of rock etc. expressed by its composition, fossil content, etc.
Etymology
                        L, = FACE
                                    
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