Also found in: Thesaurus, Medical, Legal, Encyclopedia, Wikipedia.
Related to facies: metamorphic facies, masked facies


 (fā′shē-ēz′, -shēz)
n. pl. facies
1. Biology The general aspect or outward appearance, as of a given growth of flora.
2. Medicine The appearance or expression of the face, especially when typical of a certain disorder or disease.
3. Geology A rock or stratified body distinguished from others by its appearance or composition.

[Latin faciēs; see dhē- in Indo-European roots.]


n, pl -cies
1. (Biology) the general form and appearance of an individual or a group of plants or animals
2. (Geological Science) the characteristics of a rock or series of rocks reflecting their appearance, composition, and conditions of formation
3. (Medicine) med the general facial expression of a patient, esp when typical of a specific disease or disorder. See Hippocratic facies
[C17: from Latin: appearance, face]


(ˈfeɪ ʃiˌiz, -ʃiz)

n., pl. fa•ci•es.
1. general appearance, as of an animal or vegetable group.
2. the appearance and characteristics of a rock formation, esp. as differentiated from contiguous deposits.
3. a facial expression characteristic of a pathological condition.
4. a distinctive phase of a prehistoric cultural tradition.
[1680–1690; < Latin: form, figure, appearance, face, akin to facere to make]


Features of the appearance or composition of a rock representing a local environment.
References in classic literature ?
Linnaeus said long ago, "Nescio quae facies laeta, glabra plantis Americanis" (I know not what there is of joyous and smooth in the aspect of American plants); and I think that in this country there are no, or at most very few, Africanae bestiae, African beasts, as the Romans called them, and that in this respect also it is peculiarly fitted for the habitation of man.
Sea level fluctuations control the sediment distribution patterns and hence give a clue about the deposition of source and reservoir facies along the continental margins and in the basin interiors.
Facies: [ingles: facies] (Del latinfacies 'cara'; paso al latin medieval y se siguio usando hasta la actualidad en medicina en determinadas expresiones como facies hipocratica):
The software includes a powerful set of tools for developing smarter and more interactive reservoir modeling, facies modeling and unified tools for channelized reservoirs and region definition, and further strengthens Emerson's end-to-end exploration and production (E&P) software portfolio.
Leonine facies classically, has been observed in patients with lepromatous leprosy and with lower frequency in amyloidosis and scleromyxedema.
The post-Cretaceous Paleocene of Syria, a Fm known as Aliji, developed in a thick marly-to-chalky facies out-cropping in the Damascene-Palmyrid fold belts, the north-west of the Aleppo area and into south-eastern Turkey.
HYDERABAD -- The two day National Field Excursion training workshop on ' Indus river deltaic depositional system and facies' was held at Centre for Coastal and Deltaic Studies University of Sindh Campus Thatta.
In particular, Fourier transform-based methods such as DCT are capable of capturing essential traits such as main shapes and patterns of a facies channel reservoir [16,17] but reveal a deficiency in describing a crisp contrast among different facies because of data loss from inverse transformation [28].
El objetivo del presente trabajo es la identificacion de facies sedimentarias de la formacion Suretka incluyendo: descripcion litologica, estructuras sedimentarias, caracterizacion petrografica y correlaciones estratigraficas para su respectivo analisis y discusion con respecto a su genesis y contexto tectonico-sedimentario de depositacion en los alrededores de Siquirres cuenca de Limon Sur.
Rocks of the northern structural-formational zone of the Pechenga structure are metamorphosed at the prehnite-pumpellyite to middle stages of the amphibolite facies (Zagorodny et al., 1964; Petrov, 1999).
They cover effects of sedimentary facies on structural styles in the Canadian Rocky Mountain fold and thrust belt, Late Cretaceous geology and fossils of Dinosaur Provincial Park, Lower to Middle Cambrian of the southern Canadian Rockies, the Mesoproterozoic Belt Supergroup in Glacier and Waterton Lakes National Parks in northwestern Montana and southwestern Alberta: sedimentation facies and syndepositional deformation, and Montney formation analogs: exposures of the Sulphur Mountain Formation around Canmore and Kananaskis in western Alberta.
It also questions commonly accepted interpretations of facies relationships in the axial region of the Central Maine depocenter (e.g., Pankiwskyj et al.