• Two distinct metamorphic units have been recognized, which are separated by ductile shear zones: (1) Upper amphibolite facies rocks (Orue Unit) and (2) ultrahigh-temperature (UHT) granulite facies rocks (Epembe Unit). (uni-wuerzburg.de)
  • Greenschist-Facies metamorphic rocks. (cdc.gov)
  • Metamorphic zircon from an Fe-Ti-rich eclogite in the carapace of the Kråkfjord complex dates the eclogite facies metamorphism at 421.9 ± 2.2 Ma, synchronous with the continental collision. (lu.se)
  • Integration of the seismic facies analysis with biostratigraphic ages was used to infer the prevalent geologic processes and thus the depositional history of the system. (searchanddiscovery.com)
  • All these rocks underwent UHT granulite facies metamorphism during the early Mesoproterozoic (1520-1447 Ma). (uni-wuerzburg.de)
  • garnet-biotite gneiss in the OIkhon area indicate that both of them, experienced granulite facies metamorphism with peak conditions of 770 ∼800̈C, ∼l.OGPa. (edu.au)
  • During the Mesoproterozoic (1390-1318 Ma) the Orue Unit rocks underwent upper amphibolite facies metamorphism. (uni-wuerzburg.de)
  • The term facies was introduced by the Swiss geologist Amanz Gressly in 1838 and was part of his significant contribution to the foundations of modern stratigraphy, which replaced the earlier notions of Neptunism. (wikipedia.org)
  • The south-central WGR underwent regional eclogite facies metamorphism 415-400 Ma ago when Baltica subducted beneath Laurentia, during the Scandian orogeny. (lu.se)
  • Ideally, a sedimentary facies is a distinctive rock unit that forms under certain conditions of sedimentation, reflecting a particular process or environment. (wikipedia.org)
  • Sedimentary facies are either descriptive or interpretative. (wikipedia.org)
  • Sedimentary facies are bodies of sediment that are recognizably distinct from adjacent sediments that resulted from different depositional environments. (wikipedia.org)
  • Sedimentary facies reflect their depositional environment, each facies being a distinct kind of sediment for that area or environment. (wikipedia.org)
  • Sedimentary facies are described in a group of "facies descriptors" which must be distinct, reproducible and exhaustive. (wikipedia.org)
  • Sedimentary facies characterization was carried out on the Ajali Sandstone of southeastern Nigeria in order to deduce its depositional settings. (scholarsresearchlibrary.com)
  • Bozzano, G. Middle slope contourite deposits and associated sedimentary facies off NE Argentina. (uba.ar)
  • Cerredo, M.E. 'Middle slope contourite deposits and associated sedimentary facies off NE Argentina' (2011) Geo-Marine Letters. (uba.ar)
  • In particular, studies based on core data providing detailed descriptions of sedimentary facies are lacking, as are investigations of principal sediment source areas and of key factors controlling sedimentary processes. (uba.ar)
  • This may have occurred under approximately lower greenschist facies conditions as a result of mixing of fluids of varying f O 2 , initiated by thermal expansion of water during heating, decompression and consequent hydraulic fracturing. (geoscienceworld.org)
  • A late retrograde infiltration of CO 2 ,-bearing hydrous fluid under lower greenschist facies conditions generated assemblages containing K-feldspar + chlorite + rutile ± dolomite in calcareous rocks and albite prophyroblast schists in zones of intense secondary deformation. (geoscienceworld.org)
  • Large-scale infiltration of fluid into greenschist-facies metadolerite sills was intimately related to, and possibly controlled by, penetrative deformation and, in the absence of a penetrative deformation, grain-boundary diffusion by itself was an ineffectual mechanism of fluid transport. (geoscienceworld.org)
  • The objective of this study was to identify and map seismic horizons that are continuous throughout the entire area in order to generate a chronostratigraphic framework for the syn-kinematic succession, and then to define seismic facies in the interpreted sequences that would help to understand the depositional environments, and therefore, to predict the distribution of reservoir, source and seal rocks. (aapg.org)
  • We will discuss depositional environments, sequence stratigraphy, and discuss its famous assemblage of large fossil cephalopods and the implications for bottom water anoxia in the black shale facies. (stratigraphyhelp.com)
  • These properties are controlled, not by depositional facies, but by diagenetic alteration of minor amounts of volcanic ash co-deposited with chalk. (utexas.edu)
  • These sequences are described within the contourite depositional systems of Gulf of Cadiz with distribution patterns unique to each stage of the drift evolution.This research focuses on the cyclicity patterns of the contourite sediments, as expressed by their lithological facies{\textquoteright} changes. (hw.ac.uk)
  • Based on these controls, continental, coastal-carbonate and coastal-clastic sabkhas are recognized and have differing implications for facies, diagenesis and reservoir-quality distribution. (searchanddiscovery.com)
  • In the epidote-amphibole facies (garnet zone), dehydration reactions in metabasites generated large quantities of water, which removed carbonate from metabasites on a regional scale and infiltrated calcareous metasediments to produce assemblages containing grossular, diopside, K-feldspar, amphibole, clinozoisite and sphene. (geoscienceworld.org)
  • The park features beautiful waterfalls and gorges often controlled by the presence of catagenic fractures extending from deeper black shale facies up through overlying siltstone and shale of proximal Middle Devonian Strata. (stratigraphyhelp.com)
  • We are developing a regional three-dimensional facies model of the Devonian Chattanooga Shale in Alabama and Tennessee. (confex.com)
  • This field trip compares the Marcellus Shale along a transect from distal, organic-rich condensed mudstone facies to proximal silty-shale facies. (stratigraphyhelp.com)
  • This course also takes the time to focus on the grey shale facies of the overlying Hamilton Group. (stratigraphyhelp.com)
  • Finally, we will look at horizontal and vertical permeability pathways in the form of pyritic lag deposits flooring and within black shale facies, and gas chimneys associated with hydrocarbon generation. (stratigraphyhelp.com)
  • The afternoon will be spent visiting distal facies deposits of the Marcellus Shale. (stratigraphyhelp.com)
  • In the afternoon will look at the Cherry Valley Limestone, and the fossiliferous Pecksport Shale, a relatively proximal facies of the Marcellus Shale. (stratigraphyhelp.com)
  • In outcrop, we are afforded an opportunity to view a slightly more proximal facies of the deposits observed in the subsurface of the northeastern Pennsylvania Marcellus Shale gas fields. (stratigraphyhelp.com)
  • Leonine facies 13. (medchrome.com)
  • On physical examination, she had coarse 'leonine like' facies, with thickened skin of face and eyelids, her face had multiple nodular lesions that coalesced into plaques, especially on the forehead. (madridge.org)
  • A, B) Leonine facies with waxy yellow papules. (cdc.gov)
  • Walther's law of facies, or simply Walther's law, named after the geologist Johannes Walther (1860-1937), states that the vertical succession of facies reflects lateral changes in environment. (wikipedia.org)
  • calcareous Lower Devonian succession, the Bohemian facies, occurs in the Prague Basin of eastern Europe. (britannica.com)
  • In this paper are described the coralgal facies identified in the Upper Eocene-Lower Oligocene limestone succession (Cozla Formation) outcropping in two quarries at Letca and Rastoci (Sălaj district, Romania). (usf.edu)
  • The sequence of minerals that develop during progressive metamorphism (that is, metamorphism at progressively higher temperatures and/or pressures) define a facies series. (wikipedia.org)
  • Peak-metamorphism was followed by retrograde cooling to middle amphibolite facies conditions. (uni-wuerzburg.de)
  • Contact metamorphism, related with the intrusion of the anorthosites, is restricted to the direct contact to the KIC and recorded by massive metapelitic Grt-Sil-Crd felses, formed under upper amphibolite facies conditions (c. 750°C, c. 6.5 kbar). (uni-wuerzburg.de)
  • In the syn-kinematic sequence of the Sinú Deformed Belt, seismic facies Cbh, Bh, Cbl, Bl and A were identified based on the methodology of Prather (1998), in addition to hemipelagic deposits corresponding to the slope wedge. (aapg.org)
  • Fluctuating salinity and/or hypersalinity is inferred in the open tidal-flat deposits (facies 4). (bioone.org)
  • The apparent continuous spectrum between the two end members involved, channel-fill and lobe deposits respectively, has left this facies asociation as the less well known in turbidite facies scheme. (uhu.es)
  • Facies & Diagenesis, Austin Chalk & Controls on Fracture Intensity. (utexas.edu)
  • Facies and Diagenesis of the Austin Chalk and Controls on Fracture Intensity--A Case Study from North-Central Texas, by S. D. Hovorka. (utexas.edu)
  • citation needed] Facies based on petrological characters (such as grain size and mineralogy) are called lithofacies, whereas facies based on fossil content are called biofacies. (wikipedia.org)
  • The sequences TS1 (Lower Pleistocene) and TS2 (Middle Pleistocene) contain the main reservoir intervals (Cbh facies). (aapg.org)
  • Mineralogical and geochemical data from outcrops and subsurface sources will be used to determine total organic carbon (TOC), maturity, and geochemical parameters to identify source rock locations and reservoir facies. (confex.com)
  • This study presents a numerical investigation of geological discontinues in the coalbed using reservoir simulations of the effects of partings and permeability facies and lithotype changes on the production performances of vertical and horizontal degasi. (cdc.gov)
  • The detailed architectural and facies analysis of the fan system (a channel-lobe complex) was interpreted using 3D high-resolution seismic imaging and seismic attributes. (searchanddiscovery.com)
  • The identified play in the syn-kinematic sequence in the Fuerte Sur block is characterized by stratigraphic traps, where Cbh facies pinch out of near the edges of the "piggy-back" basins of folds developed due to active compressional tectonics at the time of deposition. (aapg.org)
  • Diana Elizabeth Fernández and Pablo José Pazos "Ichnology of Marginal Marine Facies of the Agrio Formation (Lower Cretaceous, Neuquén Basin, Argentina) at its Type Locality," Ameghiniana 49(4), 505-524, (1 December 2012). (bioone.org)
  • Twelve lithofacies identified from the formation were grouped into subtidal channel facies and subtidal sandwave facies based on association. (scholarsresearchlibrary.com)
  • In the afternoon we will look at proximal, often fossil-bearing facies of the Stony Hollow Member of the Union Springs Formation. (stratigraphyhelp.com)
  • This core revealed, from top to bottom, a surface of Holocene transgressive sands, underlain by interbedded sand and mud (potentially Holocene or Pleistocene), overlying a swamp or delta plain facies (likely Pleistocene) containing woody debris and mud that has been provisionally dated using radiocarbon to ca 41-45 ka. (datapages.com)
  • This research focuses on the cyclicity patterns of the contourite sediments, as expressed by their lithological facies' changes. (hw.ac.uk)
  • Specifically, we will discuss the presence of pyritic beds, what they suggest about bottom water anoxia, and their stratigraphic relationships with organic-rich facies. (stratigraphyhelp.com)
  • A book citation in Facies always includes the author name(s), the publication year, the book title, and the publisher. (citationsy.com)
  • How to reference a journal article in the Facies citation style? (citationsy.com)
  • An example song citation in Facies. (citationsy.com)
  • Laut Thomson Reuters Journal Citation Reports® 2016, ist der Impact Factor für Facies 1,690. (fau.eu)
  • If you've previously cited a video from a website in Facies, then the process for citing a video from YouTube is basically the same. (citationsy.com)
  • A reliable facies description of an outcrop in the field would include: composition, texture, sedimentary structure(s), bedding geometry, nature of bedding contact, fossil content and colour. (wikipedia.org)
  • Main provenance seems to come from the north, where some sequences were not deposited or eroded (TS1 and TS3), and where Cbh facies predominate and onlap in each mini basin. (aapg.org)
  • Sedimentary responses to physical processes like wind and marine circulation led to the development of a range of facies patterns observed in sabkhas. (searchanddiscovery.com)
  • Facies" is a descriptor in the National Library of Medicine's controlled vocabulary thesaurus, MeSH (Medical Subject Headings) . (umassmed.edu)
  • We assumed the smaller data groups would be more homogeneous than the whole data set as regards lithology and facies composition. (earthdoc.org)
  • Apariencia de la cara que, a menudo, es característica de una enfermedad o afección patológica, como la cara de elfo del SÍNDROME DE WILLIAMS o la facies mongoloide del SÍNDROME DE DOWN. (bvsalud.org)
  • A facies encompasses all of the characteristics of a rock including its chemical, physical, and biological features that distinguish it from adjacent rock. (wikipedia.org)
  • Cores from Sites U1386 and U1387 were logged and sampled for their facies and mineralogical characteristics. (hw.ac.uk)
  • The field data collected from the Triassic exposure on Selmanset, Bertilryggen and Ramfjelldalen, north of Isfjorden, during fieldwork in 2017 has been used for sedimentological facies analysis and identification of facies associations, in order to improve the understanding of the Lower Triassic Vardebukta, in the heavily tectonized area of Oscar II Land. (ntnu.no)
  • 11 facies and 7 facies associations are interpreted based on the sedimentary analysis from the outcrops and the logs. (ntnu.no)
  • Development of mask-like facies can be due to the weakness of facial muscles. (fdna.health)
  • Merriam-Webster.com Dictionary , Merriam-Webster, https://www.merriam-webster.com/dictionary/facies-suite. (merriam-webster.com)
  • The Middle Paleolithic industry of the Sibiryachikha facies is described on the basis of two stratifi ed sites in the Altai - Okladnikov Cave (formerly Sibiryachikha) and Chagyrskaya Cave. (nsc.ru)
  • The Sibiryachikha facies of the Altai Middle Paleolithic represented by two sites was clearly associated with a small group of Neanderthals who migrated from western Central Asia. (nsc.ru)