 | | Report (issue) | | accordingly sent to make a series of observations in Belgium, France, and Italy, and the results of jfchese...Broeck, and to M. Cogels, and Baron Van Ertborn in Belgium; to Professor De Stefani, Dr. Ristori, Dr. Canavari...Chillesford Crag - 100 CHAPTER VIII. Chillesford Clay and Weybourn Crag - 131 CHAP^J^ER IX. Cromer Forest-bed...is never used for clays, such as the Chillesford Clay or Forest-bed. There is a great gap in Britain between...probability be referred to this period, such as the ironstone at Folkestone and the sands at St. Agnes Beacon |  | | Report (issue) | | _____________________ 42 Differences between ironstone and iron-formation.--.--46 Origin____________... Schematic section showing relations between ironstone facies and physico-chemical conditions.____________...Sulfide-rich rocks__. . W27 19. Blackband and clay-ironstone siderite____ 27 20-22. Occurrences of iron-rich...Contents of Cu, As, V, Ni, Ti, and Zn in minette ironstone of Luxembourg _ 44 30. Minor-element contents...contents of glauconitic, chamositic, and sideritic ironstone of Lias (Jurassic) age of southern Sweden. 44 31 |  | | Journal (article/letter/editorial) | | (pre-Lower Valanginian) ostracods occur in the top Weald Clay of Berwick, Sussex; and (2) Riedel's record (1941)..."). But it was not until after the terms " Weald Clay " (Conybeare, in Conybeare and Phillips, 1822) and...stratigraphical relations of the Hastings Sands and Weald Clay in the Weald were known to Conybeare in 1822 (op...the green marls "; (d) the " lowest band of clay-ironstone nodules or sphaerosiderite at the base of the...junction is low down in the Ashdown Series (Fairlight Clay facies), probably not very far from the Wealden |  | , , Loon, Van L. R., , , , , , (2008) Preferred Orientations and Anisotropy in Shales: Callovo-Oxfordian Shale (France) and Opalinus Clay (Switzerland) Clays and Clay Minerals, 56 (3) 285-306 doi:10.1346/ccmn.2008.0560301 | Journal (article/letter/editorial) | | Clays and Clay Minerals, Vol. 56, No. 3, 285–306, 2008. PREFERRED ORIENTATIONS AND ANISOTROPY IN SHALES:...SHALES: CALLOVO-OXFORDIAN SHALE (FRANCE) AND OPALINUS CLAY (SWITZERLAND) H. -R. W E N K 1 , M. V O L TO L I...Meuse/Haute-Marne, Bure, France Abstract—Anisotropy in clay-rich sedimentary rocks is receiving increasing attention...poor crystallinity, the orientation distribution of clay minerals has been difficult to quantify. A method...Laboratory near Bure, France, and Benken borehole and Mont Terri Rock Laboratory, Switzerland). A Callovo-Oxfordian |  | | Report (issue) | | Determinative techniques________________________________ Clay fraction___..____-_--. _____________________ Nonclay...Properties related to use as foundry-sand bonding clay and in drilling mud____ ._ _ ______________________...965 Bed B_____ _ _________________ ___________ Clay Spur bentonite bed_________________________________...northern Black Hills district. 62. A, Zone above the Clay Spur bentonite bed in SE}4 sec. 7, T. 56 N., R....Popcornlike agglomeration of clay lumps as typically produced in weathering of the Clay Spur bentonite bed__________________ |  | | Report (volume) | | Creek anticline, Petroleum and Garfield Counties, Mont. 3. Sketch map of central Montana showing relation...the lower half, thin bentonite beds. Abundant ironstone concretions characterize the lower part of this...second is dark-gray shale containing abundant ironstone concretions, the third is dark-gray sandy shale...and along the road from Winnett to Musselshell, Mont. ACKNOWLEDGMENTS Conferences in the field with...reconnaissance coal survey between Musselshell and Judith, Mont., and Bowen (1915, 1919) la.ter discussed conditions |  | | Book (volume) | | Brazil and elsewhere. (2) Bands and nodules of clay ironstone found among the shales of the lower portion...Geog1·aphy ; Calcutta, 1918. 64638 A a 6 is built of clay, and is of small capacity, the maxrmum yield reported...bands of shale containing numerous nodules of clay-ironstone of good appearance are found in the bed of...chief centres of manufacture were situated. Clay-ironstone c-ontuining from 2:2 to 40 per cent. of iron...the Baniganj coalfield in Burdwan occur in the ironstone shale group, or nuddle division of the Damud0 |  | | Report (issue) | | composed of fluviolacustrine silt and fine sand and clay, overlies the ground moraine in some parts of the...District of the Corps of Engineers at Fort Peck, Mont. The soils classification tests (fig. 6) and mechanical...The concretions are classified as follows: 1. Clay-ironstone concretions (fig. 4), the most abundant, generally... GEOLOGY OF THE FORT PECK AREA, MONTANA 2/2). Clay-ironstone concretions and bentonitic shale are so commonly...formation. These are similar in size to the clay-ironstone concretions and are also nonseptarian. They |  | | Report (issue) | | and conglomerate. Gros Ventro formation. 600 Clay, shale, and interbedded limestone. Flathead sandstone...into the Gros Ventre formation, which consists of clay shale with alternate beds of limestone, making a...Maverick Springs, Wyo. Dinwoocly formation: Ft. in. Clay shale, gray to greenish, with gypsum bands and limestone...must contain sand grains so masked by calcite or clay that they were not readily detected by the geologist...gray, with hard fragments, either limestone or clay ironstone (?)___________________ Shale, light gray; no |  | | Journal (article/letter/editorial) | | Variablebed, consistingof alternationsof sandand clay, with largeconcretions,with speciesof Melania,Paludina...Alternationsof impurelignite and yellowish-brown clay with Unio, Paludina,Melania,Cyclas,and Lepidotus...appearanceof rosin.......... 6-8 Variablestrata of drab clay, and gray sand and sandstone. Near the middle there...thicknessof about 400 feet and consist largelyof dark clay shales with variable intercalatedbands and beds...arenaceous,clays, with bands and nodules of clay,ironstone,andnumerousseamsof lignite. These are of brackish-water |  | | Report (issue) | | a nonmarine sequence of light-colored bentonitic clay, siltstone, and sandstone that rests sharply on...arkosic sandstone and an upper unit of bentonitic clay and tuffaceous siltstone and minor amounts of bentonite...the Fort Benton Folio: Top "Drab or lead-colored clay shale, carrying round or oval concretions of gray...sandstones in thin beds. Lilac-colored sandstone, red clay, and thin limestone." This formation rested on Weed's...Benton Shale for the uppermost or "lead-colored clay shale" member of Weed's Colorado Formation and the |  | | Journal (article/letter/editorial) | | biotite), affords excellent examples of this, as in the Mont Blanc range (9), on the upper part of the St. Gotthard...fossiliferous. The shale, with the bands of clay ironstone from which most of the fossils are obtained...with two or three irregular nodular bands of clay ironstone, and beds of grey sandy micaceous shale. The |  | | Report (issue) | | Possibilities of oil in the Porcupine dome, Rosebud County, Mont.: U. S. Geol. Survey Bull. 621, pp. 61-70, 1915...Creek coal field, Rosebud and Big Horn Counties, Mont.: U. S. Geol. Survey Bull. 749, 1923. CT. S. GEOLOGICAL...TO!' OF THE JUDITH HIVEK FORMATION, NEAR FINCH, MONT. B. ESCARPMENT OK TIIK TULLOCK MEMBKIl OK TIIK...Where the surface strata are soft and incoherent clay and shale the upland areas have a subdued, rolling...resources of central and southern Rosebud County, Mont.; U. S. Geol. Survey WaterSupply Paper 600, 1929 |  | | Journal (article/letter/editorial) | | Somerset, consists of ironstone varying from a comparatively light friable clay-carbonate to. a heavier...ferruginous soil, which they convert into a hard sun-dried clay, to construct their peculiar pinnacled ant-hills...otherwise it most highly resembles the common ironstone in the auriferous rocks of New South Wales." A...rock beneath and the superimposed Posttertiary ironstone, we find a more local and limited deposit in the...their route, and there as here in connexion with ironstone. It would be interesting to know whether a like |  | | Journal (article/letter/editorial) | | the Oceanics though these are hidden by a layer of clay. I am indebted to my friend Mr. W. C. Clarke of...other coralline structures and sharks' teeth ; clay ironstone and manganiferous nodules and just above the...coral rock is hard and well bedded and contains clay ironstone nodules, Amphisteginae, and debris apparently...more rarely at low levels. Diplodonta rotundata Mont. Asaphis defloratus Linn. Philis {Cryptodori) chrysostoma...tesselatus Reeve. Pisania pusio Linn. Nassa ambigua Mont. Columbella mercatoria Linn. A cast at Farley Hill |  | | Report (volume) | | consumption.......................................... 69 Belgium................................................................................................. Mont Chemin............................................pocket. CONTENTS. 7 Page. PLATE V. Map of the ironstone districts of Northampton and Lincoln, England................ 48 VI. Outline map of France, Belgium, and Netherlands showing reserves of iron in ore...of Lorraine, the Sarre district, Luxemburg, and Belgium: U. S. Geol. Survey Bull. 703,1921. THE IRON-ORE |  | | Book | | City. 4 INTRODUCTION, ABB RE VJ ATIONS, ETC. Mont. Coll. The Montgomeryshire Collections. The Transactions...for the area. Liverpool. Proc. Powys/and Cl. [See Mont. Coll.] Proc. R. Irish Acad. Proceedings of the... including. incl. Lst. Lwr. Md. Mem. Mer. Mon. Mont. N. N.R.S. no(s). n.s. O.R.S. o.s. Ord. p., pp...Geo/. Soc. Land., s. I, 5, 73-82. Anon. Potter's clay [Halkin Hills, Flintshire]. Ann. Phil., 13, 233...Description of a new substance (Hatchettine) found in ironstone. (Merthyr Tydfil.] Ann. Phil., s. 2, 1, 136-137 |  | | Report (issue) | | ••• ••• Fairlight Clays, Ashdown Sand, Wadhurst Clay, Tunbridge Wells Sand . .. . .. 111.-HASTINGS ...strike-wise course mainly in a weak formation (Wadhurst Clay), can be fairly regarded as subsequent. The Brede...their location was the weakness of the Wadhurst Clay, many outliers of which yet remain in their neighbourhood...Alluvium . . . Tunbridge Wells Sand .. . Wadhurst Clay Cretaceous .. . Ashdown SanQ .. . Fairlight Clays.... ... Portland Beds . .. Kimmeridge Clay.. . Oxford Clay ... ... ... . .. ... . .. ... . |  | | Catalog/List | | crystals of Siderite, lining a 2xL;" cavit;·· in Clay Ironstone. 2tx2x2" " £10. ' MIMETITE variety Campylite...Chalcopyrite. 2~-x2xlt". £8. S~AR~ITE. Desourdy Quarry, Mont - st.- Hilaire, Quebec, canada. Salmon pink, pure |  | | Journal (article/letter/editorial) | | the outside rim of which the Chalk, covered ,by clay with flints, runs in bold escarpment, forming, as...1872. E. Pellat : Sur la Position des Calcaires du Mont des Boucards (" Bull. Soc. Geo!' de France," 2"...in correlating the Boulonnais coal with that of Belgium and with England's true Coal Measures. He was so...Dinant synclinal basin. This Condros Crest crosses Belgium, North of France, and England, where it separates...Measur es a re met with und er Devonian rocks in Belgium and in France, along th e southe rn lim its of |  | | Journal (article/letter/editorial) | | ON THE BEDS AT THE BASE OF THE YPRESIAN (LONDON CLAY) IN THE ANGLOFRAN CO-BELG IAN BASIN By L. DUDLEY...PLATES 2 AND 3. CONTENTS. PAGE I. II. III. BELGIUM AND NORTH FRANCE IV. FRANCE-THE COAST OF THE...example, in Belgium and Northern France, a thin pebble-bed occurs at the base of the London Clay. Since the...the London Clay, and ignoring the occurrence of a pebble bed at the base of the London Clay in England...the London Clay in England, formed the opinion that the Oldhaven Beds do not exist in Belgium. Again, Continental |  | | Report (issue) | | . Order of Succession .. • • • Sands • Bouldel' Clay or Stony Loam • • • • .. Sands and Loams .. • Boulder...S11bmerged Fo1·csts.'' Ne,ver Pleistocenc Loam 01· Clay. (Post Glacial)t - Valley Gravel ( Palreolitl1ic)...pa1·tly sand, has been adopted. The '' Ohillesford Clay '' of Professor Prestwich., at W eybo11rn and along...generally in the Weybourn Crag. Tl1e relation of the Clay at Ohillesfo1�d and Aldeby to the Weybourn C1·ag...Leda-n1ytilis Beel '' (called by l1in1 Leda-1nyalis Clay) :Mt is adopted for �he marine bed above the '' |  | | Book (edition) | | Tschermak. mi., J. C. Ullmann. Mong., J'Andr^ Mongez. Mont., Teodoro Monticelli. Nap., Charles A. G. Napione...micamanganese mineral from Pied- Alurgite, Breit. ceous mont. Almte, Farhes£kn^ Balill. SiOa, AI2O3, Fes, O4YO...See Octahedrite. Anauxite, Breii. Greenish white clay from Bilin, Bohemia. Anchosine. Probably Onchosine...icespar ; lime feldspar tankit, Auorthotomoua Mont, and Anorthoit. clinic. feldspar, Cov.\ See...Argillaceous hematite. See Hematite. Argillaceous ironstone. See Siderite. Argillaceous lenzinite. See Halloysite |  | | Report (issue) | | "rises stratigraphically from the area around Birney, Mont., southwestward to Sheridan, Wyo." Tongue River...interbedded shale and sandstone with scattered large clay-ironstone concretions and thin concretionary layers. |  | | Book (edition) | | Measures, and also in tho lowest cretaceous Fire clay. beds (Tuscaloosa formation). Fire.brick works,...county, and recently an excellent quality of fire clay has been mined at Tuscaloosa. In the siliceous clays...local supplies. Gold In the counties of Cleburne, Clay, Talladega, Coosa, Chilton, Elmore, Tallapoosa,...county; Rippito mines, Clfilton county; Haral's mines. Clay county ; Goldville, Tallapoosa county; Pinetucky...Localities Tallapoosa counties. l)ug near Millerville, Clay county ; north of Milltown, Chambers county ; and |
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