Fossiliferous shale

Limestone is a sedimentary rock composed primarily of calcite, a calcium carbonate mineral with a chemical composition of CaCO 3. It usually forms in clear, calm, warm, shallow marine waters. Limestone is usually a biological sedimentary rock, forming from the accumulation of shell, coral, algal, fecal, and other organic debris.

Fossiliferous – Fossils are present If your rock meets all of those criteria then it is a shale, or at least something very closely related. Remember that not all shales contain fossils, and that some of them are …A shale bed above the sand wave unit is overlain by wave-ripple cross-laminated sandstone considered to have formed in an upper shoreface setting. An overlying fossiliferous shale with a restricted fauna and shell lag is interpreted as having been formed in a lagoon with restricted circulation.The shale is fossiliferous and occurs as irregular partings and thin beds. The limestone and shale tend to grade indistinctly into each other. The large globular brachiopod Platystrophia ponderosa is abundant and, as in the Leipers Limestone, contributes to the nodular nature of the bedding. The thickness of the Grant Lake ranges from 3 to 160 ft.lithic wacke. Dominated by sand (1/16 to 2 mm), greater than 10% rock fragments, greater than 15% silt and clay, range of roundness and sorting possible. Mudrock. mudstone. Greater than 75% silt (1/256 to 1/16 mm) and clay (<1/256 mm), not bedded, well-sorted, grains too fine to judge roundness using hand lens. shale.Limestone is a very common sedimentary rock consisting of calcium carbonate (more than 50%). It is the most common non-siliciclastic (sandstone and shale are common siliciclastic rocks) sedimentary rock.Limestones are rocks that are composed of mostly calcium carbonate (minerals calcite or aragonite). Carbonate rocks where the dominant …Photo about Fossiliferous shale with fern fossil. Image of imprint, broken, ancient - 9671994

Shale is a rock composed mainly of clay-size mineral grains. These tiny grains are usually clay minerals such as illite, kaolinite, and smectite. Shale usually contains other clay …2.1. A- The lower shale Member: This unit may be equivalent to the Abu Had Member of the Raha Formation in Sinai (Ghorab, 1961). At West Gabal Thelmet section, the lower part of this member consists of highly fossiliferous shales, intercalated with fossiliferous marl and argillaceous limestone.Fossiliferous shale Bioturbated sandstone, sandstone-shale heterolith, laminated shale, fossiliferous mudstone and shelly beds Bioturbation is moderate to intense; Ophiomorpha, Chondrites, Thalassinoides and Planolites. Bioturbation is absent in laminated shale facies and shelly beds. Upper offshore Planar crossbedded sandstoneShale and interbedded limestone. Shale is gray, green, red, reddish brown, or maroon, sandy, calcareous, fossiliferous, locally fissile; several fissile black shale beds are in lower 75 feet. Interbedded dark- to light-gray, medium- to thick-bedded, argillaceous, cherty limestone beds are very fossiliferous and locally contain shale partings.Sedimentary Rocks. Sedimentary rocks (layered rocks) are made by the deposition of particles carried in air or water and by the precipitation of chemicals dissolved in water. These particles and chemicals come from the weathering (breaking apart in place) and erosion (carrying away and breaking apart while moving) of rocks on the Earth’s surface.fossils (e.g. fossiliferous limestone) ooliths; pellets; In contrast, the chemically-precipitated limestones consist solely of crystalline carbonates (e.g. microcrystalline limestone). The clastic limestones can be further subdivided according to their grainsize, much like other clastic sedimentary rocks. Other chemical sedimentary rocks

Carlile Shale (Upper Cretaceous) at surface, covers 67 % of this area. Dark-gray to black, silty to sandy shale with several zones of septarian, fossiliferous, carbonate concretions. Contains up to three sandstone units in the upper portion of the formation and sandy calcareous marl at the base. Thickness up to 330 ft (100 m).The upper 2 feet is blue-gray, massive limestone, commonly conspicuously pitted and faded to light gray by weathering. It is underlain by about 2 feet of red and green shale. The rock in the lower part (about 7 feet) is buff and gray thin-bedded limestone, the lowermost part of which is nodular and contains fossiliferous gray shale. Stearns ShaleSample of fossiliferous limestone. Fossiliferous limestone is any type of limestone, made mostly of calcium carbonate (CaCO 3) in the form of the minerals calcite or aragonite, that contains an abundance of fossils or fossil traces.The fossils in these rocks may be of macroscopic or microscopic size. The sort of macroscopic fossils often include crinoid …

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Mississippian age fossiliferous shale units in north Arkansas. From oldest to youngest they are the Moorefield Shale; the Fayetteville Shale; and the Imo member of the Pitkin Formation. Fayetteville and Moorefield Shales – Ammonoids and nautiloids are the most common fossils present.Limestone is dark gray to very light gray, yellowish gray, very thin bedded to massive bedded, and fossiliferous; locally the thin bedds are argillaceous other beds are oolitic and a few contain chert. Shale is medium gray, greenish gray, pale red, dark redish brown, black, sandy fossiliferous and calcareous; black shale in part is fissile.The Mazon Creek fossil beds are a conservation lagerstätte found near Morris, in Grundy County, Illinois. The fossils are preserved in ironstone concretions, formed approximately 309 million years ago in the mid- Pennsylvanian epoch of the Carboniferous period. These concretions frequently preserve both hard and soft tissues of animal and ...Overall, out of all of the separate subtypes of sedimentary rock, fossils are most abundant in shale, sandstone and limestone, though they also appear in conglomerates and breccias. Shale With fragments around 0.002 to 0.05 millimeters across, this type of sedimentary stone can preserve the traces of ancient animals and plants in incredible detail.Nevertheless, the genus Galeorhinus is known from Cambay Shale of the Cambay Basin (Rana et al., 2004), Kapurdi Formation in the Barmer Basin (Rana et al., 2006a), Te-Takkar Member of the (1980 ...the fossiliferous sediment in BIIc8 (15) (BK 457b, 118.2 m) showing subaerial exposure feature and little to no compaction of fossiliferous dolomitic shale. Fig. S4. Fluorescence micrographs of thin sections in the BIIc6 shale bed (controls of WGA-FITC staining specificity). Fig. S5.

Perry Farm shale member. The middle member of the Lenapah formation includes calcareous fossiliferous shale above the Norfleet limestone and below the Idenbro limestone (Jewett, 1941, p. 339). It is characterized by irregular limestone nodules in gray shale. At its upper boundary the Perry Farm shale grades into the overlying Idenbro limestone.The Jingshan assemblage is an important extension of the Burgess Shale-type biotas in China. Abstract. Burgess Shale-type biotas have been widely reported …14‏/01‏/2010 ... ... fossiliferous shale facies and poorly laminated but highly fossiliferous and bioturbated shales were recognized in the study area. Their ...Table 5.3a. Rock densities and porosities. being in g/cm and or 0.23 when is in m/s or ft/s, respectively. The rule is valid for the major sedimentary rock types, but not for evaporites or carbonaceous rocks (coal, lignite). When a porous rock is saturated with a fluid, its density is given by the equation.the fossiliferous sediment in BIIc8 (15) (BK 457b, 118.2 m) showing subaerial exposure feature and little to no compaction of fossiliferous dolomitic shale. Fig. S4. Fluorescence micrographs of thin sections in the BIIc6 shale bed (controls of WGA-FITC staining specificity). Fig. S5.It is composed largely of fossiliferous limestones and thin beds of red and gray shale. The general lithology and part of the fusulinid faunas are indicated in the accompanying diagram (Fig. 5). Detailed descriptions of the individual units are given at the end of the report.Fossiliferous shale in the Mississippian of Kentucky, USA. Shale is a fine-grained, siliciclastic sedimentary rock. It is the # 1 most common sedimentary rock on Earth. Common colors of shale are black, gray, earth-tone reddish, and earth-tone greenish-gray.Last we have shale, which is composed of clay particles and has a finely layered or fissile appearance. This extremely mature sedimentary rock is made from the smallest particles that can be carried by wind or barely moving water and can be found thousands of miles away from the original source.The Pierre Shale is a geologic formation or series in the Upper Cretaceous which occurs east of the Rocky Mountains from North Dakota to New Mexico. The Pierre Shale was described by Meek and Hayden in 1862 in the Proceedings of the Academy of Sciences (Philadelphia). They described it as a dark-gray shale, fossiliferous, with veins and seams of gypsum, and concretions of iron oxide. The ...

... fossiliferous limestone and inter- bedded calcareous, fossiliferous shale. Subordinate amounts of planar-bedded, argillaceous, fossiliferous limestone and ...

Properties of rock is another aspect for Limestone vs Shale. The hardness of Limestone is 3-4 and that of Shale is 3. The types of Limestone are Chalk, Coquina, Fossiliferous Limestone, Lithographic Limestone, Oolitic Limestone, Travertine, Tufa whereas types of Shale are Red Shale, Black Shale, Green Shale, Grey Shale and Yellow Shale.The table below includes specific environments where various types of sediments are deposited and common rocks, structures, and fossils that aid in deducing the depositional environment from examining a sedimentary rock outcrop. Although this is not a complete list, it is a good introduction to depositional environments. Continental. …Herein, we describe Taichoute, a new fossil locality from the Fezouata Shale. This locality extends the temporal distribution of fossil preservation from this formation …In Bibb County and southwestern Shelby County, the Conasauga consists of medium-bluish-gray fine-grained, thin-bedded argillaceous limestone and interbedded dark-gray shale. In the eastern Valley and Ridge the lower part includes dark-green to pale-olive fossiliferous shale with a few dark-gray limestone interbeds.Mauch Chunk Formation (Mississippian) at surface, covers 3 % of this area. Grayish-red shale, siltstone, sandstone, and some conglomerate; some local nonred zones. Includes Loyalhanna Member (crossbedded, sandy limestone) at base in south-central and southwestern Pennsylvania; also includes Greenbrier Limestone Member, and Wymps Gap and Deer Valley Limestones, which are tongues of the Greenbrier.Shale is a fine-grained sedimentary rock composed primarily of clay minerals and other clay-sized particles of minerals like quartz and calcite. It is laminated and fissile, easily breaking along bedding planes. ... Fossiliferous - Fossils are present; If your rock meets all of those criteria then it is a shale, or at least something very ...In southwestern Wisconsin the Maquoketa is ISO to 250 feet in thickness. It consists of thinbedded blue to gray fossiliferous shale with thin lime- stone beds ...contains deeper-marine, shelf-basin deposits., Fossiliferous, argillaceous limestone and black shale with some interbedded marl. Lithofacies 8: contains terrigenous to shallow-marine deposits, richly fossiliferous sandstone, dark-gray to green shale with thin, sandy to black limestone with a diverse stenohaline fauna. Lithofacies 9:

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Limestone is dark gray to very light gray, yellowish gray, very thin bedded to massive bedded, and fossiliferous; locally the thin bedds are argillaceous other beds are oolitic and a few contain chert. Shale is medium gray, greenish gray, pale red, dark redish brown, black, sandy fossiliferous and calcareous; black shale in part is fissile.Nearly 100 m of shale lie below this fossiliferous interval in the Burgess Shale Formation. Assuming 40% post-depositional compaction of strata below the Phyllopod Bed, a conservative estimate for minimum water depth at the time of deposition would be approximately 100 m, essentially the lower limit of the effective photic zone.A shale bed above the sand wave unit is overlain by wave-ripple cross-laminated sandstone considered to have formed in an upper shoreface setting. An overlying fossiliferous shale with a restricted fauna and shell lag is interpreted as having been formed in a lagoon with restricted circulation.Is composed of gray fossiliferous limestone, gray shale, red shale, purple siltstone, thin beds of gray and red fine-grained sandstone. Lower 10 ft at type is a coarse conglomerate of limestone and chert pebbles, and yellow to red coarse quartz sand. The overlying 125 ft is purple shale interbedded argillaceous limestone, purple siltstone ...Shale 11. Magnetite Schist 12. Phyllite with Pyrite 13. Concretions 14. Talc ... Fossiliferous Limestone, Glens Falls Formation, South Hero, VT This rock is ...Grand Canyon’s oldest trilobites are found in the Tonto Group, which is between 525 and 505 million years old. It includes the Tapeats Sandstone, Bright Angel Shale, and Muav Limestone. These fossils are arthropods, or joint-footed animals, with a segmented body of hinged plates and shields.The Hickory Creek locally includes nodules of limestone or an impure argillaceous irregular bed of fine-grained limestone, commonly 0.2 to 0.4 foot thick that weathers yellowish orange. Both the shale and the limestone are fossiliferous; brachiopods, crinoids, and bryozoans are common, fenestrate bryozoans being very abundant in some outcrops.Overall, out of all of the separate subtypes of sedimentary rock, fossils are most abundant in shale, sandstone and limestone, though they also appear in conglomerates and breccias. Shale With fragments around 0.002 to 0.05 millimeters across, this type of sedimentary stone can preserve the traces of ancient animals and plants in incredible detail.Florida geologic strata are divided into formations. Formations are the basic rock units used in stratigraphy, the branch of geology that deals with the layers of sedimentary rock that have accumulated over geologic time. The following are select formations that can be found in the state. Visit our page about Florida's Rocks and …O’Brien et al (2002), proposed the following events for the deposition of the Florissant Fossiliferous shale: 1. Volcanic ash weathering into clay washed into Lake. Florissant from the surrounding terrain. 2. The volcanic sediment was deposited as a thin layer of ash-clay, enriching the lake water with silicon. 3.Introduction to the Depositional Environments of the Trenton Group. Given the long period of geologic research on the Trenton Limestones, it is no surprise that extensive studies have been made of the the stratigraphy and sedimentology of these fossiliferous limestones. Nearly 150 years were dedicated to the study of the stratigraphy and ... ….

2.1. A- The lower shale Member: This unit may be equivalent to the Abu Had Member of the Raha Formation in Sinai (Ghorab, 1961). At West Gabal Thelmet section, the lower part of this member consists of highly fossiliferous shales, intercalated with fossiliferous marl and argillaceous limestone.Some common nonmineral constituent terms are: "tuffaceous," "cherty," "fossiliferous," "crinoidal," "coralline," "clayey (argillaceous)," "silty," "shaly," "sandy (arenaceous)," and …The inclusion of shale rip-up clasts within the base of local coquina beds points to deposition under transgressive conditions. Green to black fossiliferous shale forms massive to laminated beds 0.2–0.95 m thick and is rich in organic-matter and pyrite, hosting abundant ostracod microfossils and fish remains (Figs. 11 B, 12; Gallo et al., 2010).Fossiliferous shale: clastic, organic, or inorganic? organic, partly clastic. Fossiliferous shale characteristics/what it's made from - mud with vegetation - preserves marine fossils. Fossiliferous shale depositional environment. low …Tununk Member of the Mancos Shale below the capping Ferron Sandstone Member. West side of the San Rafael Swell, Emery County, Utah. The Mancos Shale or Mancos Group is a Late Cretaceous (Upper Cretaceous) geologic formation of the Western United States . The Mancos Shale was first described by Cross and Purington in 1899 [1] and was named for ...Above the shale and limestone is a gravel deposit that was laid down not much over 100 thousand years ago, during the waning stages of Illinoian glaciation during the Ice Age. The line of contact between the gravel deposit above and the shale below thus represents a time gap of immense duration. Such a time-loss line is called an hiatus.Named by. James Hall, 1839. The Marcellus Formation or the Marcellus Shale is a Middle Devonian age unit of sedimentary rock found in eastern North America. Named for a distinctive outcrop near the village of Marcellus, New York, in the United States, [3] it extends throughout much of the Appalachian Basin.The deposits of mud and ash that accumulated through tens of millions of years eventually hardened into the fossiliferous shale that Beecher discovered. Life in the Deep Sea. From Beecher’s fossils and other fossil troves in New York we can reconstruct what the New York region was like around 450 million years ago (mya).Fossiliferous shale matrix. Click here for a more detailed list of fossils from this site. 〉 Waco Mammoth National Monument is a national park were we will learn about “Ice Age” Texas and view Colombian Mammoth … Fossiliferous shale, Chase Group (Permian) at surface, covers < 0.1 % of this area. Limestone and shale. Limestone is light gray to dark gray, yellowish gray to pale yellowish brown. Two limestones in the upper part are thin bedded to medium bedded, argillaceous, cherty and fossiliferous; two limestones in the lower part are medium to massive bedded, very cherty, and …, A shale bed above the sand wave unit is overlain by wave-ripple cross-laminated sandstone considered to have formed in an upper shoreface setting. An overlying fossiliferous shale with a restricted fauna and shell lag is interpreted as having been formed in a lagoon with restricted circulation., The Kope Formation in north-central KY and southwestern OH consists of fossiliferous shale interbedded with medium bedded, fossiliferous limestone and siltstone. In southeastern IN, the Kope consists of bluish- to brownish-gray clay-shale and minor limestone. Fossils include brachiopods, bryozoans, crinoids, trilobites, and mollusks., Carlile Shale (Upper Cretaceous) at surface, covers 52 % of this area. Dark-gray to black, silty to sandy shale with several zones of septarian, fossiliferous, carbonate concretions. Contains up to three sandstone units in the upper portion of the formation and sandy calcareous marl at the base. Thickness up to 330 ft (100 m)., Limestone is dark gray to very light gray, yellowish gray, very thin bedded to massive bedded, and fossiliferous; locally the thin bedds are argillaceous other beds are oolitic and a few contain chert. Shale is medium gray, greenish gray, pale red, dark redish brown, black, sandy fossiliferous and calcareous; black shale in part is fissile., Interval includes Morgan School, Mouse Creek, Labette, Pawnee, Bandera, Altamont, Nowata, Lenapah, Memorial, Lost Branch formations. Primary Lithologies: shale ..., Typically contains lenticular, orange to dark-red, fossiliferous limestone tempestites, rounded, non-fossiliferous ironstone concretions, and secondary, fibrous calcite partings. Additional discontinuous, thin-bedded sandstone and limestone beds are interbedded within this upper shale unit., Trident Member (middle part of formation): greenish gray and light olive gray, fossiliferous, calcareous shale that contains interbeds and nodules of fossiliferous, argillaceous limestone. Logan Gulch Member (lower part of formation): yellowish gray and grayish red, argillaceous limestone breccia and shale breccia that may include dolomitic siltstone., Shale is a fine-grained sedimentary rock whose original constituents were clay minerals or muds. It is characterized by thin laminae breaking with an irregular curving fracture, often …, Marcellus Shale (Vanuxem, 1840) - Medium-gray weathering, dark-gray to grayish-black, thin- to thick-bedded, fossiliferous, fissile and limonite-stained locally arenaceous shale. Lower contact grades downward over 12 m (40 ft) from black shale through limy shale, into silty limestone of the Buttermilk Falls Limestone (documented in drill core ..., The Hickory Creek locally includes nodules of limestone or an impure argillaceous irregular bed of fine-grained limestone, commonly 0.2 to 0.4 foot thick that weathers yellowish orange. Both the shale and the limestone are fossiliferous; brachiopods, crinoids, and bryozoans are common, fenestrate bryozoans being very abundant in some outcrops., This photograph illustrates two fossiliferous shale beds in the lower Bartolo Member of the Atrasado Formation (white arrows). The shales contain a sparse, allochthonous flora of mixed seasonally ..., Shale producers will keep oil prices low for at least another two years. OPEC is once again at odds with the market. This time, it’s not about the cartel’s strategy to dominate the oil trade. Instead, OPEC is in a debate with industry analy..., Shale is a sedimentary rock while slate is a metamorphic rock formed from shale. Slate is much more durable than shale due to the metamorphic process it undergoes. Slate and shale are similar in appearance. Visually, it can be hard to tell ..., Limestone is a sedimentary rock made almost entirely of fossils. Fossils are the remains of ancient plants and animals, like an imprint in a rock or actual bones and shells that have turned into rock. Fossils are found in sedimentary rocks and hold the clues to life on Earth long ago. Limestone: You humans would know so little without rocks ..., It also includes small lenses of either calcareous sandstone or fossiliferous limestone covering a few feet laterally and approximately two inches thick. Overlying the basal unit is the Britton Formation consisting of dark gray, silty shale that grades laterally into gray and tan shale., The inclusion of shale rip-up clasts within the base of local coquina beds points to deposition under transgressive conditions. Green to black fossiliferous shale forms massive to laminated beds 0.2–0.95 m thick and is rich in organic-matter and pyrite, hosting abundant ostracod microfossils and fish remains (Figs. 11 B, 12; Gallo et al., 2010)., and. Claire Parker. Updated February 18, 2022 at 8:15 a.m. EST | Published February 16, 2022 at 6:31 p.m. EST. Brazilian officials said on Feb. 17 that at least 117 people died after devastating ..., In Bibb County and southwestern Shelby County, the Conasauga consists of medium-bluish-gray fine-grained, thin-bedded argillaceous limestone and interbedded dark-gray shale. In the eastern Valley and Ridge the lower part includes dark-green to pale-olive fossiliferous shale with a few dark-gray limestone interbeds., Nearly 100 m of shale lie below this fossiliferous interval in the Burgess Shale Formation. Assuming 40% post-depositional compaction of strata below the Phyllopod Bed, a conservative estimate for minimum water depth at the time of deposition would be approximately 100 m, essentially the lower limit of the effective photic zone., , Lower part is medium-dark-gray, thin-bedded, siliceous, fossiliferous calcareous shale. Contains thin beds and lenses of medium-gray, fine-grained, highly fossiliferous, argillaceous limestone containing nodules, lenses and, locally, irregular beds of dark-gray chert. Lower contact abrupt and placed at top of calcareous quartz sandstone., Properties of rock is another aspect for Limestone vs Shale. The hardness of Limestone is 3-4 and that of Shale is 3. The types of Limestone are Chalk, Coquina, Fossiliferous Limestone, Lithographic Limestone, Oolitic Limestone, Travertine, Tufa whereas types of Shale are Red Shale, Black Shale, Green Shale, Grey Shale and Yellow Shale., Last we have shale, which is composed of clay particles and has a finely layered or fissile appearance. This extremely mature sedimentary rock is made from the smallest particles that can be carried by wind or barely moving water and can be found thousands of miles away from the original source., Colorado Pierre Shale Fossils. The Pierre Shale is an upper Cretaceous marine formation, which is well known for its ammonite fossils. Most of the fossils below were found in Boulder and Pueblo Counties. A very complete and up-to-date reference for the ammonites and nautiloids of the Pierre Shale is Ammonites and the Other Cephalopods of the ..., Tununk Member of the Mancos Shale below the capping Ferron Sandstone Member. West side of the San Rafael Swell, Emery County, Utah. The Mancos Shale or Mancos Group is a Late Cretaceous (Upper Cretaceous) geologic formation of the Western United States . The Mancos Shale was first described by Cross and Purington in 1899 [1] and was named for ..., Locally most of the unit is composed of bright-colored clay shale. Limestone beds and fossiliferous shale beds are included in the lower part in the southern part of the state. The thickness is about 30 feet. Wreford limestone--Two limestones and a shale member. The limestone members are characterized by an abundance of flint in some of the beds., Pg. 65. Calhoun shale of Shawnee group. Clayey and sandy shale with minor amount of limestone and one or more coal beds. In northern Kansas a thin coal bed and much sandstone, a part of which fills channels, occur near top of formation. Dark-gray silty fossiliferous shale comprises lower part, and plant remains occur in sandy part., Trident Member (middle part of formation): greenish gray and light olive gray, fossiliferous, calcareous shale that contains interbeds and nodules of fossiliferous, argillaceous limestone. Logan Gulch Member (lower part of formation): yellowish gray and grayish red, argillaceous limestone breccia and shale breccia that may include dolomitic ..., The Georgian Bay Formation consists of about 100 m of blue-grey and green-grey, soft, fissile shales with interbeds of calcareous, fossiliferous sandstone, ..., Mercer Shale w r Mercer coal bed Upper sandstone bed o Quakertown coal bed Shale Ironstone concretions or replacement ranular, fossiliferous Shale, variegated Limestone dark bluish- Shale, red Shale, green Shale, red n 1 UoUs ra to reenish, Shale, sandy, and thin-bedded sandstone Sandstone, reddish-gray to greenish-gray, shaly to conglomeratic, Highly fossiliferous shale member 100 feet thick at base, upper 1 200 feet is dolomite in thick alternating black and light hands about 100 feet thick. Total thickness of formation 1,200-1,500 feet. In upper part, gastropods., Marcellus Shale (Vanuxem, 1840) - Medium-gray weathering, dark-gray to grayish-black, thin- to thick-bedded, fossiliferous, fissile and limonite-stained locally arenaceous shale. Lower contact grades downward over 12 m (40 ft) from black shale through limy shale, into silty limestone of the Buttermilk Falls Limestone (documented in drill core ...