Includes Late Triassic "andesitic and basaltic rocks" of Nolf and Taubeneck (1963), and the basaltic to rhyolitic metavolcanic rocks and interbedded sedimentary rocks of the Huntington Formation of Brooks (1979). (Arbuckle Group) Individual Fm description not found. Extends from the base of the Pittsburgh coal to the top of the Upper Freeport coal. Thickness about 8,000 feet, Includes Sandsuck Formation - Olive-green and gray, argillaceous, micaceous shale with coarse feldspathic sandstone and quartz- pebble conglomerate. Fine-grained pyrite abundant throughout formation. Limestone and coal; thin and discontinuous. OKLAHOMA CITY- Mainly shale, grading upward into massive siltstone and fine- grained sandstone; grades northward into "Barnsdall Formation", "Chanute Formation", and "Dewey Limestone". Approx thickness 80 ft. Cyclic deposits, principally shale with limestone, siltstone, minor sandstone units and thin coal seams. Fenwick and Assateague Islands). Thickness 30 to 70 feet. Thickness 2,000 to 7,000 feet. Includes the Elk Lick, Bakerstown, and Mahoning coals, and the Ames and Brush Creek Limestones. Also includes young terrace deposits fringing floodplains. Glauconitic, fossiliferous clayey sand lenses in upper part. Thin beds of sand and clay are common. Leithsville Formation - Medium- to dark-gray, crystalline dolomite, light-olive-gray in places, weathering to light gray and yellowish brown; massive bedded; oolitic; pink to gray, mottled chert and dark-gray chert; thin shale and dolomitic shale interbeds; scattered sand grains; upper part is very shaly. Generally light-tan to gray to white. Lower contact unconformable. Gamma logs through this interval show that there is a small gamma spike along the contact between the glauconite sands. Near the base is a prominent bed of glauconitic calcareous sand containing abundant fossils and spheroidal to pillow-shaped sandstone concretions (Bashi Marl Member). Thickness about 300 feet; and Chepultepec Dolomite - Light-gray, fine-grained, well-bedded dolomite, moderately cherty; fine-grained limestone locally in upper part; quartz sandstone beds at base. Thickness 0 to 15 feet; Camden Formation - Light-gray novaculitic chert and tripolitic clay; and minor siliceous limestone.
These beds are mainly sand, as are those at Cliffwood Beach, but they tend to have more crossbedding than the typical Cliffwood strata and no burrows or marine fossils.
Middlebury and Chazy Limestone, Undifferentiated Youngman and Carman Formations - Dark blue-gray, somewhat nodular and granular limestone with buff dolomite and shaly interbeds a fraction of an inch thick and 2 to 4 inches apart. Tinton Formation - Sand, quartz, and glauconite in varying proportions, very clayey and locally indurated by siderite into hard, massive ledges. Two types of cycles are recognized: freshwater-lake (detrital) and alkaline-lake (chemical) cycles. The foraminifera Marginotruncana marginata and Rosita fornicata were collected from the Island Beach corehole at 550 m (1804 ft) and are indicative of the Dicarinella asymmetrica Zone. Lesser, thin laminated clay strata also are present. All Rights Reserved. Locally, the clay is interbedded with sand and contains large pieces of lignitized, bored (Teredolites) logs. A very coarse grained, pale-gray quartz sand with some granules is interbedded with this dominantly clayey sequence. Unit is characterized by commercial kaolin bodies in older strata from westernmost South Carolina to central Georgia. Mining of phosphate in the outcrop area began in 1888 (Cathcart, 1985) and continues to the present. The cool floral elements found in the overlying Belleplain and Wildwood Members were not found in the lower member. Rock fragments are a minor sand constituent. TULSA- Fine gravel, sand, silt, and clay. Thickness up to 50 ft (15 m). The upper tongue merges with the Mooreville Chalk and the lower part of the Demopolis Chalk in western Bullock County. Lower part of formation is a fine- to medium-grained, clayey, dark-gray, glauconitic (maximum 25 percent) quartz sand.
In the fifty years preceding the installation of the filtration plant Hamburg had 15 cholera epidemics. Includes some interbedded andesite flows in Columbia River Gorge. Glenshaw: Cyclic sequences of shale, sandstone, red beds, and thin limestone and coal; includes four marine limestone or shale horizons; red beds are involved in landslides; base is at top of Upper Freeport coal. Longview Dolomite - Siliceous, gray, fine-grained, medium-bedded dolomite; interbeds of gray limestone in upper part. Ordovician-Late), (Phanerozoic | Mesozoic | Triassic-Early Triassic-Middle(?)
Tabb Formation; Sedgefield Member - Pebbly to bouldery, clayey sand and shelly sand, at altitudes to 30 ft. (top of unit). Sediments showing surficial expression of beach ridges and dunes were mapped separately (Qbd) as were the sediments composing Trail Ridge (Qtr). Waccamaw Formation - fossiliferous sand with silt and clay, bluish-gray to tan, loosely consolidated. Hathaway Formation - Gray to black argillite and bedded radiolarian chert, with included blocks and fragments of chert, limestone, dolomite, sandstone and graywacke. Keyser Formation through Mifflintown Formation, undivided - In descending order: Keyser Formation--limestone; Tonoloway Formation--limestone and interbedded shale; Wills Creek Formation--interbedded shale, siltstone, limestone, and dolomite; Bloomsburg Formation--grayish-red and greenish-gray shale, siltstone, sandstone, and mudstone; Mifflintown Formation--interbedded shale and limestone. The unit is relatively impermeable but is considered a part of the surficial aquifer system (Southeastern Geological Society, 1986). Marianna Limestone - white to yellowish-grey soft, porous, very fossiliferous limestone. KINDERHOOKIAN SERIES - NORTHVIEW SHALE, SEDALIA FORMATION, COMPTON LIMESTONE, BACHELOR FORMATION CHOUTEAU GROUP, HANNIBAL SHALE, HORTON CREEK LIMESTONE, LANSING GROUP - cyclic deposits of limestone and shale, LEEMON FORMATION, MAQUOKETA GROUP INCLUDING: (GIRARDEAU LIMESTONE, ORCHARD CREEK SHALE, THEBES SANDSTONE, CAPE La CROIX SHALE), CAPE LIMESTONE, KIMMSWICK LIMESTONE, NOIX - CYRENE LIMESTONE, MAQUOKETA SHALE, MARMATON GROUP - cyclic deposits, shale and limestone with sandstone, clay and several coal beds, some workable, PLEISTOCENE SERIES - Loess, till, drift, clay, silt, sand and gravel (shown on cross section, not on map). Shell fragments are locally present in this facies. Grades downward into a calcareous sand and laterally into Comfort Member. Peat at the surface dominated by spartina and other salt tolerant species. Fine-grained sand at base, locally contains heavy minerals. Moorings Unit of Oaks and Coch (1973) - Sand, silt, and clay; at altitudes from 100-130 ft. (top of unit). Thickness ranges from 0 to 56 m (0-185 ft) due to erosion. Thickness about 2,000 feet. Medial lake-bottom deposits are laminated siltstones, silty mudstones, or silty limestones that are dark gray to black with calcite laminae and grains and lenses, or streaks of pyrite; fossils are common, including fish scales and articulated fish, conchostracans, plants, spores, and pollen.
Rome Formation - variegated thinly interbedded mudstone, shale, siltstone, and sandstone; limestone and dolomite occur locally. The presence of M. portlocki and T. pulcherrimus indicates late, but not latest, Campanian. Average thickness about 800 feet. In detail, the lowest 4.5 m (15 ft) of the unit is a fine- to medium-grained, massive, micaceous, extensively bioturbated, somewhat clayey, quartz sand. Where these sediments exceed 20 feet (6.1 meters) thick, they were mapped as discrete units. Translate is an online service for which the user pays nothing to obtain a
Thickness 350 to 800 feet; (Ok) Kingsport Formation - Gray, fine-grained, sparingly cherty dolomite with basal dense, gray limestone sequence. Thickness up to 60 ft (18 m). Heterogeneous sand and gravel of glaciofluvial orgin. This is the youngest and lowest. In the central sheet, the lower clay facies is exposed in pits north of Farmingdale, Monmouth County; in a few cuts along the Manasquan River, north of Farmingdale; and along the Shark River, northeast of Farmingdale. This unit is restricted to west-central Arizona. Lower part of "Arbuckle Group" includes "Signal Mountain Formation, Royer Dolomite," and "Fort Sill Limestone; Timbered Hills Group" includes "Honey Creek Formation" and "Reagan Sandstone. The maximum thickness of the unit is about 18 m (59 ft). Jericho Run Member: siliceous mudstone with sandstone lenses, thin bedded; basal phosphatic pebble conglomerate. The interbedded clay becomes dark gray up section and the sand is slightly glauconitic and locally shelly. DEADWOOD FORMATION--Red and brown quartzitic sandstone. They consist of basal, transgressive, fluvial to lake-margin deposits that are argillaceous, very fine grained sandstone to coarse siltstone with indistinct lamination, planar or cross lamination, or are disrupted by convolute bedding, desiccation cracks, root casts, soil-ped casts, and tubes. Providence Sand - (Selma Group), Upper part consists of cross-bedded fine to coarse sand and white, dark-gray and pale-red-purple mottled clay containing lignite, sand, and kaolin; lower part consists of dark-gray laminated to thin-bedded silty clay and abundantly micaceous, carbonaceous, fossiliferous very fine to fine sand. Includes Ali Molina Formation, Mount Wrightson Formation, part of the Canelo Hills Volcanics, Cobre Ridge tuff, Black Rock volcanics, Planet Volcanics, and equivalent rocks. Tinton Formation - Sand, quartz and glauconite, sideritecemented, indurated, reddish-brown to dark-gray. Magothy Formation - Sand, quartz, fine- to coarse-grained, locally gravelly (especially at the base), white; weathers yellow brown or orange brown, interbedded with thin-bedded clay or dark-gray clay-silt mainly at the top of the formation. Perissoratis and others (1979) placed this contact at boundary between graptolite faunas Isograptus caduceus and Paraglossograptus etheridgei of Berry (1968). Approx thickness 60 ft. Platteville FM- fossiliferous gray limestone and brown dolomite; grayish-green shale at base (Glenwood). The strontium-isotope analyses of shells from this member indicate ages from 23 to 20.2 Ma (Aquitanian), thereby extending the age of this member (Sugarman and others, 1993). Lowermost Paleocene Zone NP 1 was not identified, and it is thought that the Cretaceous-Tertiary boundary in New Jersey may be unconformable. brown lignitic clays, silts and sands; some sideritic glauconite may weather to brown ironstone in lower part. Mowry Shale- Black to gray, siliceous, fissile shale and siltstone containing bentonite layers, and sparse sandstone dikes and sills. Occurs only in the Beartooth Mountains. Sandstone, greenish-gray weathers to shades of yellow-brown, silty to locally conglomeratic; thin to massive to cross bedded; locally calcareous. Gravel consists mainly of quartz and quartzite and range in size from very fine pebbles to large cobbles. The sand is fine to medium grained, light gray, and commonly has dispersed wood fragments. The Arcola Limestone Member at the top consists of two to four beds of light-gray brittle, dense, fossiliferous limestone separated by beds of light-gray to pale-olive calcareous clay. Fossils include late Cenomanian ammonites Metoicoceras bergquisti and Metengonoceras sp. Carbonate facies are locally mined in western Georgia for agricultural lime. Owned by Stone Industries, Haledon, NJ. Thickness 150-275 ft (46-84 m). JELM FORMATION--Red sandstone. The Arcadia Formation, named by Scott (1988), is predominantly a carbonate unit with a variable siliciclastic component, including thin beds of siliciclastics. ), unit 1 (Klamath Mountains), Paleozoic marine rocks, undivided, unit 2 (Northern Mojave Desert and Southeastern Sierra Nevada), Paleozoic marine rocks, undivided, unit 3 (Eastern Sierra Nevada), Paleozoic marine rocks, undivided, unit 4 (Western Sierra Nevada), Paleozoic marine rocks, undivided, unit 6 (Northwestern Sierra Nevada), Paleozoic marine rocks, undivided, unit 9 (Western Klamath Mountains), Paleozoic metavolcanic rocks, unit 1 (Eastern Klamath Mountains), Paleozoic metavolcanic rocks, unit 5 (Mono Lake), pre-Cenozoic metasedimentary and metavolcanic rocks undivided, Schist of various types and ages, unit 3 (Santa Cruz Island), Triassic marine rocks, unit 1 (Death Valley area and Mojave Desert), Triassic marine rocks, unit 2 (Eastern Klamath Mountains), Leadville, Gilman, Dyer, Parting, and Sawatch Fms in west-central and south-central. The contact with the underlying Belleplain Member of the Kirkwood Formation is sharp and unconformable; a basal gravel bed as much as 1 m (3 ft) thick is present along the contact. In the marine facies, Petters (1976) reports a planktic foraminiferal suite containing Praeglobotruncana delrioensis and Rotalipora greenhornensis. The Anastasia Formation forms part of the surficial aquifer system. In an effort to subdivide the undifferentiated sediments, those sediments occurring in flood plains were mapped as alluvial and flood plain deposits (Qal). SNOWY RANGE FORMATION (Gallatin Group)--Medium-gray limestone and underlying greenish-gray shale. Silicified corals and wood are occasionally present as well. CLINTON- "Flowerpot Shale," Pf, reddish-brown shale containing several salt and gypsum beds in the upper part. 523 Victoria Ave., N, PO Box 65, Depot #1, Hamilton,ON, Canada L8L 7V1. The plant was finished and placed in operation in 1893. Anastasia Formation - The Atlantic Coastal Ridge is underlain by the Anastasia Formation from St. Johns County southward to Palm Beach County. Underclay, gray and olive; generally 3 feet or less in thickness; clayey to silty; commonly rooted and underlying coal beds; nonbedded; locally varies from flint to plastic clay. It still contains all the germs it ever did. WIND RIVER FORMATION Northwest Wyoming (Jackson Hole)--Variegated red and white claystone and siltstone; largely nontuffaceous except near the top; lenticular coal unit in middle. BIGHORN DOLOMITE, GALLATIN LIMESTONE, GROS VENTRE FORMATION, AND FLATHEAD SANDSTONE (north Wyoming). Thickness 0 to 400 feet, and Unnamed Limestone Unit - Medium-grained, fossiliferous, gray limestone, shaly in part. PALEOZOIC ROCKS, undifferentiated (Thrust Belt).
About 500 ft thick. The Hornerstown in most areas is nearly pure glauconite greensand. )]), (Phanerozoic | Cenozoic | Tertiary | Eocene Oligocene), (Phanerozoic | Paleozoic | Permian [Wolfcamp]), (Phanerozoic | Cenozoic | Quaternary | Pleistocene-Late), (Phanerozoic | Paleozoic | Permian [Guadalupe]), (Phanerozoic | Mesozoic | Cretaceous-Late [Gulfian]), (Phanerozoic | Paleozoic | Permian [Leonard]), (Phanerozoic | Cenozoic | Quaternary | Pleistocene Holocene (?
It is covered with rows of rectangular basins, each basin containing about 8,500 square yards. Manasquan Formation - Clay to clay-silt, massive to finely laminated, green to gray-green, extensively bioturbated. Pit located off Rte. Thickness about 300 feet; Chepultepec Dolomite - Light-gray, fine-grained, well-bedded dolomite, moderately cherty; fine-grained limestone locally in upper part; quartz sandstone beds at base. Wading Branch Formation - sandy slate to coarse-grained pebbly metagraywacke with local graded bedding. WOODWARD- Gray and yellow shale and limestone, with many "Texigryphaea" shells locally. of NJ site nor its operators review any of the services, information and/or This is the only locality in New Jersey where Zone NP 2 was observed; otherwise, the Hornerstown is confined to Zones NP 3 and NP 4. In this report those beds are assigned to the overlying Navesink Formation. A, T. sp. (In Western Highland Rim area only.). Stockton Formation - Light-gray to buff, coarse-grained, arkosic sandstone; includes reddish-brown to grayish-purple sandstone, siltstone, and mudstone. Mostly on terraces and pediments above present flood plains. Calcareous and clayey sand equivalent to the Cocoa is traceable from western Alabama to the Conecuh River area. Overlain by 1-9 meters of loess. Unit crops out in a narrow belt from Sandy Hook Bay on the central sheet and pinches out southwest of Oldmans Creek, Salem County, on the southern sheet. Clay weathers to gray brown or white. We also accept concrete and asph are currently servicing the Region of Waterloo, Kit also offer excavation, foundation repair, pulverizing exception. (Arbuckle Group) Occurs in the ARBUCKLE MTNS. Based on the suggestion that the Pleistocene sea levels reached a maximum of approximately 100 feet (30 meters) msl (Colquhoun, 1969), these sediments, which occur above 100 feet (30 meters) msl, are predominantly older than Pleistocene but contain some sediments reworked during the Pleistocene. The formation thins west of Wilcox County and westward from Thomaston in eastern Marengo County is mapped with the Porters Creek Formation. Erwin Formation - White, vitreous quartzite, massive, with interbeds of dark-green silty and sandy shale, minor siltstone, and very fine-grained sandstone. The Charlton Member in this area consists primarily of light gray to greenish gray, poorly to moderately consolidated, dolomitic to calcareous, silty, sandy, locally fossiliferous clays. At the base of the formation in southeast AL is a gravelly medium to coarse sand containing clay pebbles. CAMBRIAN ROCKS--On south flank of Granite Mountains, blue-gray and yellow mottled hard dense limestone interbedded with soft green micaceous shale; dull-red quartzitic sandstone at bae. reef spawning lake sand stamp trout whitefish viable longer Crops out in a narrow belt throughout map area. Mississippian-Late), (Phanerozoic | Mesozoic | Triassic-Late ), (Phanerozoic | Paleozoic | Carboniferous Pennsylvanian-Middle), (Phanerozoic | Paleozoic | Cambrian-Furongian), (Phanerozoic | Paleozoic | Ordovician-Late Silurian), (Phanerozoic | Cenozoic | Tertiary | Pliocene), (Phanerozoic | Cenozoic | Tertiary Quaternary | Pliocene Pleistocene), (Phanerozoic | Paleozoic | Carboniferous Pennsylvanian-Late), (Phanerozoic | Paleozoic | Ordovician-Late), (Phanerozoic | Mesozoic | Cretaceous-Early Cretaceous-Middle(?) The low percentage of exotic species is characteristic of the late Pliocene, and therefore, the unnamed unit at Cape May may be equivalent to the Beaverdam Formation of the Delmarva Peninsula of Delaware, Maryland, and Virginia. Sand interfingers rapidly within a short distance with extensively bioturbated, dark-gray, very micaceous, somewhat woody clay-silt. The real results are obtained in the filter basins located on the second island.
Includes Ogallala and Laverne Formations of Pliocene age and younger deposits of Pleistocene age. The upper tongue is mainly calcareous sandy clay and micaceous silty fine sand with thin layers of limestone and sandstone. Thickness of the (entire Passaic) formation between Sourland Mountain and Sand Brook syncline is about 3,500 m (11,483 ft). In south-central Pennsylvania, includes Clearville, Frame, Chaneysville, and Gander Run Members. Vicksburg group and Chickasawhay limestone - Chickasawhay limestone, sandy limestone, and sand, present only in eastern MS (mapped with it is the overlying Paynes Hammock sand of Miocene age); Vicksburg group, predominantly limestone and marl, but contains some bentonite and near the top, chocolate-colored clay and some sand. Chadron Formation: Light-colored sand with quartzite and porphyry pebbles, overlain by dark clay; river and lake sediment; as thick as 30 meters (100 feet). Excellent exposures occur in Flagler County in Washington Oaks State Park, in Martin County at the House of Refuge on Hutchinson Island and at Blowing Rocks in Palm Beach County. Limestone changes facies eastward into sandstone, the Elbow Ridge Sandstone Member - Medium-bedded, medium- to coarse-grained, calcarous sandstone; thickness 10 to 18 feet. ists 2008 liabilities below flood winamac bend surrounded waters indiana channel january left south statewide initiatives Maximum thickness about 8,000 feet. The tunnel intake is about 10 feet in diameter. No calcareous macrofossils were found in this lithology. Because of its extensive induration, sand and clay mineralogy was not determined. The middle and upper zones are also probably Santonian. Leithsville Formation (Middle and Lower Cambrian) (Wherry, 1909) - Light- to dark-gray and lightolive-gray, fine- to medium-grained, thin- to medium-bedded dolomite. Sandy Hook Member - Sand, quartz, fine-grained, clayey, very micaceous, massive, dark-gray, fossiliferous. Brule Formation: Pinkish siltstone, clay, and sand; river and lake sediment; as thick as 50 meters (150 feet). Heterogeneous silt to gravel. Siltstone, gray, greenish and olive; clayey to sandy; thin bedded to medium bedded; locally contain marine fossils. Thickness up to 300 ft (91m). Chilhowee Gourp; Cochran Conglomerate - Quartz-pebble conglomerate, gray pebbly arkose, siltstone and shale; irregular bedding, scour features, crossbedding common; maroon micaceous arkose and shale near middle and base. Farrington Sand Member is white, fine-to medium-grained, very micaceous, crossbedded sand, interbedded with thin to thick, darkgray, silty beds. Thickness 350 to 550 feet; Clinch Sandstone - Clean, white, well-sorted sandstone; locally gray siltstone and shale. Thickness 0 to 140 feet. Nolichucky and Maryville Formations, Rogersville Shale, and Rutledge Formation - Calcareous shale, limestone, and dolomite. Oligocene Series undifferentiated - Descriptions of the units of the Oligocene Series follow in descending order. Surficial Deposits, Undivided - sand, clay, gravel, and peat deposited in marine, fluvial, eolian, and lacustrine environments. Tidal Marsh: Peat and muck deposits along tidal margins of esturaries and back bays. Thickness 2,000 to 7,000 feet; (Oo) - Ottosee Shale - Bluish-gray calcareous shale, weathers yellow; with reef lenses of coarsely crystalline reddish fossiliferous limestone ("marble"). Upper beds are more sandy than lower beds but also contain many thin to thick beds of clay. LAWTON- "West Spring Creek Formation" and "Kindblade Formation," Owk, dolomite, dolomitic sandstone, conglomerate, and limestone; thickness, approximately 2,000 feet (600 m). In the Freehold drillhole the thin basal bed of the Magothy is composed of quartz gravel (maximum clast diameter, about 2.5 cm (1 in)). Yorktown Formation and Duplin Formation, Undivided - Yorktown Formation: fossiliferous clay with varying amounts of fine-grained sand, bluish gray, shell material commonly concentrated in lenses; mainly in area north of Neuse River. Composite thickness of all Pre-Illinoian till may be up to 1,000 ft (305 m).
The pumping station automatically regulates this. Unit as much as 350 feet thick. At the time of their study, the Magothy was extensively mined for clay and sand and was well exposed. Near Ducktown, in ascending order, the Copperhill, Hughes Gap, Hothouse, and Dean Formations are recognized. The Citronelle Formation consists of gray to orange, often mottled, unconsolidated to poorly consolidated, very fine to very coarse, poorly sorted, clean to clayey sands. If you would like to become a subscriber, please visit us here. The Woodbridge is approximately 20 m (66 ft) thick in the vicinity of Sayreville, Middlesex County, where the South River has stripped away the overlying Magothy Formation, and it crops out in many places in the Perth Amboy and New Brunswick quadrangles to the north, but not in the quadrangles to the south or southwest. Ludlowville Formation - In west: Deep Run Shale, Tichenor Limestone, Wanakah and Ledyard Shales, Centerfield Limestone Members. Includes dissected alluvial fan deposits northeast of Lebanon, and Linn and Leffler Gravels of Allison and Felts (1956), Subaerial basaltic flows and breccia and submarine basaltic breccia, pillow lavas, lapilli and augite-rich tuff with interbeds of basaltic sandstone, siltstone, and conglomerate.
THREE FORKS, JEFFERSON, AND BEARTOOTH BUTTE FORMATIONS AND BIGHORN DOLOMITE (north Wyoming). GROS VENTRE FORMATION--Greenish-gray micaceous shale. North of Oolagah, in western Rogers County, the map unit, IPol, includes the following formations: "Altamont Formation," limestone and minor shale; "Bandera Formation," shale and thin sandstone; "Pawnee Formation," limestone and minor shale. The four basins are used in rotation. Cretaceous-Late), (Phanerozoic | Cenozoic | Tertiary | Paleocene ), (Phanerozoic | Cenozoic | Quaternary | Pleistocene [Pre-Illinoian]), (Phanerozoic | Cenozoic | Quaternary | Pleistocene [Upper Wisconsin]), (Phanerozoic | Cenozoic | Quaternary | Pleistocene [Illinoian(?) The user is on notice that neither the State Ager's (in Owens and others, 1988) analysis of the Cohansey from a corehole at Mays Landing also suggests a middle Miocene (Serravallian) age. "Hawthorn Formation", includes Marks Head Formation; Parachucia Beds (Sloan, 1905); and Alum Bluff Formation (Veatch and Stephenson, 1911). Chilhowee Group - Conformable sequence of dominantly clastic sediments. Bloomsburg Formation - Grayish-red and greenish-gray shale, siltstone, and very fine to coarse-grained sandstone; some calcareous mudstone in central Pennsylvania; thins to west and is replaced by Mifflintown beds; thickens eastward, replacing overlying Wills Creek and Tonoloway Formations and underlying Mifflintown Formation. The Citronelle Formation grades laterally, through a broad facies transition, into the Miccosukee Formation of the eastern Florida panhandle.
Walden Creek Group - The formations, other than the Sandsuck, are applicable mainly in the region of the Great Smoky Mountains. WASATCH FORMATION La Barge and Chappo Members--Red, gray, and brown mudstone and conglomerate and yellow sandstone. Cycles in northern Newark basin are thinner and have arkosic sandstone in lower and upper parts. They consist of interbedded, thin, dark-colored clay and fine-grained, light-colored, micaceous sand.
An impressive exposure of Anastasia Formation sediments occurs along Country Club Road in Palm Beach County (Lovejoy, 1992). In the least weathered beds, the sand of the upper sand facies is principally quartz and muscovite with lesser amounts of feldspar. Casselman Formation - Cyclic sequences of shale, siltstone, sandstone, red beds, thin, impure limestone, and thin, nonpersistent coal; red beds are associated with landslides; base is at top of Ames limestone. Ages have not been documented but stratigraphic position suggests inclusion in the Hawthorn Group. Includes Mascall Formation of Merriam (1901), Sucker (Succor) Creek Formation of Corcoran and others (1962) and Kittleman and others (1967), Drip Spring Formation of Kittleman and others (1965, 1967), Trout Creek Formation of Smith (1926), and "rocks of Miocene age" of Malde and Powers (1962) in the southern Owyhee Upland province.
Thickness 400 to 700 feet. New Oxford conglomerate - Quartz or quartzite pebbles, cobbles, and rare boulders set in a red, sandy, ferruginous matrix; some silica cement; some feldspar clasts. Mauch Chunk Formation - Red and green shale, reddish-purple mudstone, and red, green, brown, and gray thin-bedded and cross-bedded sandstones; thickness 500 feet in west, increases to about 800 feet in east. McNairy Sand - Predominantly sand, in places interbedded with silty light-gray clays.
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