 | | Catalog/List | | ecimens as half phosphatic geodes from the Hiocene clay vith lmm,yellow-green,tabular xtls in aggregates...xtls. LC,t.20. 15. APATITE. Goonbarrow China Clay Pit,St Austell,Cornwa11. Granite fragment with upper... 3~. RARITE/CHALCOPYRITE.Dreislar,Sauerland,Germany. Large,platy interlocking,opaque,white xtls of...xtls to 12mm, Nice 68. CELESTITE/BLENDE/CALCITE. Clay City,0hio,USA. Ruby red Sphalerite xtls to 10mm...85. CHALCOSIDERITB/WAVELLITE. Gunheath China Clay Pit,St Austell,Cornwall. Quartz/Mica fragment vith |  | | Journal (article/letter/editorial) | | generally represent the same genetic type. The siderite concretions are the main type of iron carbonate...Gnaszyn; a second type is represented by phosphate-siderite concretions. On the basis of the fieldwork, and...within the sediment. Key words: Siderite concretions; Phosphate-siderite concretions; Palaeoenvironment;...part of the succession is exposed in the Gnaszyn clay-pit at Gnaszyn Dolny, and represents the Middle–lower...diagenetic siderite concretions with septaria, and (4) later early diagenetic massive siderite concretions |  | | Journal (article/letter/editorial) | | the ore-bearing clays succession exposed in the clay-pit at Gnaszyn is provided, including locations of...clays; Dark deposits. INTRODUCTION The Gnaszyn clay-pit exposes Middle Jurassic (Bathonian) marine dark-coloured...dark-coloured clays with layers of siderite concretions, which represent a part of a widespread facies...scaphopods, shark teeth, and trace fossils. The Gnaszyn clay-pit represents the largest and best-exposed outcrop...stratigraphically spans the greatest time interval of all the clay-pits in the Kraków-Silesia Homocline. GEOLOGICAL |  | | Journal (article/letter/editorial) | | Northampton Sand. Farther on, the undissected boulder clay plateau between the Ise and the Maidwell branch...near Scaldwell and Lamport en route to the Clay Cross Co.'s pit a little east of the Market Harborough road...capped by a foot or two of sandy oolite (Upper Siderite Mudstone-Limestone Group)! and a considerable...include representatives of lower or pre-chalky boulder clay and its associated chalk-free, and flint-free gravels...ice which laid down the overlying chalky boulder clay. A brief halt was made at Brixworth Church-a fine |  | | Journal (article/letter/editorial) | | non-sequentially on Upper Liassic clay. The date of the top portion of this clay in • Excepting the RU1al District...reduced to a brown sand, and are well exposed in a pit in Newbottle Spinney, where they are displayed to...pebbles of Upper Liassic limestone, in the old clay-pit near Turweston to the north-east of Brackley,...between Farthinghoe and He1mdon. In the large pit (the" Clay-pit Quarry") belonging to the Towcester Mineral...Northamptonshire-in a pit to the east of Aynho (4) ; at Barnfield sand-pit, Charlton (3) ; in the old pit near Turweston |  | | Report (issue) | | geochemistry and surface area of mudrocks from the London Clay Formation of southern England Physical Hazards Programme...the London Clay Formation of southern England S J Kemp and D Wagner mineralogy, London Clay Formation...Formation, clay minerals, pyrite, smectite, engineering properties. Front cover <2 µm X-ray diffraction traces...geochemistry and surface area of mudrocks from the London Clay Formation of southern England. British Geological...explain the geotechnical behaviour of the UK London Clay Formation. This project follows similar projects |  | | Catalog/List | | lixli" . -PT £ -2- 11. CASSITERITE. Bodelva Clay Pit, St. Blazey, Cornwall. Large +" deep brown crystals...£1.50. 20. CHALCOPYRITE. Dreislar, Sauerland, Germany. Well formed bright golden sphenoidal crystals...association, and small cavities lined with micro Siderite crystals. A fine sample of the rich ore for which...crystaline masses intergrown on Pyrite with minor Siderite in association. 2xlxl". £2. 30. CUPRITE. Poldory...cubic crystals to £" in size richly scattered over Siderite matrix. 6x4". £10. 39. FIUORITE. Stanhope, Weardale |  | | Catalog/List | | 50. r 4. APATITE. Ehrenfriedersdorf, saxony, Germany. Light, lavenuer purple he~gonal crystals covering...2x2". £4-. Cll.SSITEhITE. Old Imperial Goonbarrow Clay Pit, Bugle, Nr. St. austell, CormJall. Sharp dark...Tour::-:Jnline. lxl". £2. 27. CASSITEhITE. &vath Clay Pit, Luxulyan, Cormlall. Drusy mass of resinous Cassiterite...and partially over-lay~1 with brown lenti..;ular Siderite crystals. 5-}x4". £5. 40. CP~lCOSIDEr-,11'E...Plwrmo...:csider ite crystills. l-}xl". 75p. 78. SIDERITE. Tineroft Ni.ne, Illoc;:Jn, Corm~i1ll. T:Jl1 coloured |  | | Catalog/List | | the two. 90x60x60mm. £95. 2) APATITE. Gunheath Clay Pit, St Austell, Cornwall. A --v" shaped quartz/mica...attached. 90x90x4mm. £ 165. 15) CRYO LJ TE and SIDERITE. lvigtut, Arksuk Fjord, West Greenland. Typical...white massive cryolite with intermixed light brown siderite xl sections to 8mm. 70x50x40mm. £22. I (1) F,1)I...coverage. £ 12. 2()) LI 13 ETH ENITE. Gunheath Clay Pit, S t Austell, Cornwall. A flat piece ofgranite...45x25x20mm. £28. 37) SMOKY QUARTZ. Hensbarrow Clay Pit, St Austell, Cornwall. A nice small group ofundamaged |  | ANDERSON, L. I., DUNLOP, J. A., EAGAR, R. M. C., HORROCKS, C. A., WILSON, H. M. (1999) Soft-bodied fossils from the roof shales of the Wigan Four
Foot coal seam, Westhoughton, Lancashire, UK. Geological Magazine, 136 (3) 321-329 doi:10.1017/s0016756899002575 | Journal (article/letter/editorial) | | Naturkunde, Invalidenstrasse, D-10115, Berlin, Germany ‡Honorary Research Associate, The Manchester Museum...are described from the Westhoughton opencast coal pit near Wigan, Lancashire, UK (uppermost Westphalian...now report new discoveries from an opencast coal pit at Westhoughton, in the northwest of England (Fig...Lancashire were restricted to the Sparth Bottoms brick clay pit, Rochdale and the Soapstone bed of the Burnley...(a) Regional location map of the Westhoughton coal pit (study area indicated by box). (b) Specific location |  | | Report (chapter) | | Resources (BGR), Wilhelmstraße 25–30, 13593 Berlin, Germany 2 Present address: State Agency for Environment...Geology (LUNG), Goldberger Straße 12, 18273 Güstrow, Germany Polish Geological Institute – National Research...GmbH (GTN), Seestraße 7A, 17033 Neubrandenburg, Germany 5 Geowissenschaftliches Zentrum der Universität...Geologie, Goldschmidtstraße 3, 37077 Göttingen, Germany 6 Federal Institute for Geosciences and Natural...Resources (BGR), Wilhelmstraße 25–30, 13593 Berlin, Germany *Correspondence: gregor.barth@lung.mv-regierung |  | | Catalog/List | | altering to MALACHITE. Bamaovald, Russia. Quartz/siderite veinstone with a shallow cavity showing several...included clay. l l 0x30x30mm. £8. 32) LINNAEITE and CHALCOPYRITE. (Musen) Siegen, Westphalia, Germany. Nice..."Roman Sword" shaped xls attached to a little greyish clay and roughly radiating from a central point. The...38) ORTHOCLASE var "VALENCIANITE", CALCITE and SIDERITE. A low mrunilary shaped specimen, the top completely...xls to 15nun. On these are scattered light brown siderite xls to l11U11 and six colourless calcite xls to |  | | Catalog/List | | protruding from nicely contrasting pale yellowish clay. All in massive magnetite matrix. 50x30x30mm. £65...£45. 42) SIDERITE. Pengenna Mine, St Teath, Cornwall. Very dark brown thin lenticular siderite xls to 8mm...8mm over a 50x40mm area of siderite matrix. 70x70x20mm. £30. 43) NATIVE SILVER, ACANTHITE and ERYTHRITE...ERYTHRITE. Schneeberg, Saxony, Germany. Quartz matrix with cavities at either end showing native silver wires...£125. 46) TURQUOISE and VARLAMOFFITE. Gunheath Clay Pit, St Austell, Cornwall. Pale blue turquoise and |  | | Catalog/List | | chalcopyrite and with a dusting of micro brown siderite. The other side shows more needly bismuthinite...here and there. 90x80x45mm. £95. 22) FLUORITE, SIDERITE and ARSENOPYRITE. Hingston Down Quarry, Callington...Small purple xls to 5mm with light brown micro siderite and a scattering of arsenopyrite xls to 2mm. On...Cornwall. A solid mass of galena with a little white clay and intergrown pyrite on one surface. Barstow Stock...£40. 41) SKUTTERUDITE. Daniel Mine, Schneeberg, Germany. About ten very lustrous silvery xls to 8mm intergrown |  | | Catalog/List | | Sauberg Mine, Ehrenfriedersdorf, Erzgebirge, Germany. The top ofa small piece of matrix showing four... (b) 40mm side triangle. £9. 15) CRYOLITE and SIDERITE. A nice squarish block of off white massive cryolite...cryolite shot through with cleavages of dark brown siderite. 50x50x50mm. £35. 16) DIAMOND 0.32ct. Kimberley...CYRILOVITE, CHALCOSIDERITE and DUFRENITE. Gunheath Clay Pit, St Austell, Cornwall. A 60x30mm area of iron...25x25x10mm (15mm side by 10mm deep). £20. 39) SIDERITE. Wheal Jane, Kea, Cornwall. A 50x40mm area on | | | Catalog/List | | Sauberg Mine, Ehrenfriedersdorf, Erzgebirge, Germany. The top of a small piece of matrix showing four...(b) 4 0 m m side triangle. £9. 15) CRYOLITE and SIDERITE. A nice squarish block of off white massive cryolite...cryolite shot through with cleavages of dark brown siderite. 50x50x50mm. £35. 16) DIAMOND 0.32ct. Kimberley...CYRILOVITE, CHALCOSIDERITE and DUFRENITE. Gunheath Clay Pit, St Austell, Cornwall. A 60x30mm area of iron...25x25x l0mm (15mm side by 10mm deep). £20. 39) SIDERITE. Wheal Jane, Kea, Cornwall. A 50x40mm area on |  | | Report (issue) | | part of the Raritan formation (Upper Cretaceous) in clay pits at Sayreville, New Jersey, include a new genus...from the clay pits at Sayreville are given. The evidence afforded by the collections from the clay pits at...collections (USGS 19013) was obtained from "impure siderite nodules near the upper portion of the Woodbridge...formation," (quoted from collector's label) in a clay pit of the Sayre and Fisher Brick Co. The other coUection...coUection (USGS 19014) came from "nodules of impure siderite (?) in the upper portion largely of the Woodbridge |  | | Catalog/List | | 30x20x20mm. £12. 14) CASSITERITE and SCHORL. Goonbarrow Clay Pit, Bugle, Cornwall. A good solid mass of black/brown...(b) 30x20x10mm. £12. 34) MOLYBDENITE. Saxony, Germany. A ~mall piece of q~artz matrix with plat~s of... underlay the scorodite. 60x50x25mm. £65. 42) SIDERITE. Allevard, !sere, France. (a) A group of about...matrix. 50x40x18mm. £75 . (b) About 15 thin platey siderite xls to 20mm intergrown with colourless transparent...quartz xls to 25mm on a little siderite matrix. 50x30x2mm. £75. 43) SIDERITE EPIMORPH after RHOMBIC CALCITE |  | | Journal (article/letter/editorial) | | middle Jurassic rocks between the Lias and the Oxford Clay are all shallow-water deposits with abundant internal...AND J. H. TAYLOR, Mesozoic ends with the Oxford Clay. No Tertiary rocks are present and the next records...Much of the higher ground is covered by boulder clay. From the distribution of the drifts, notably in... 207 exposures of all beds from the Upper Lias Clay to the Cornbrash can be seen in them. The Northampton...100+' Oxford Clay ... up to 25 Kellaways Beds 0-8 Cornbrash 10-20 Great f Great Oolite Clay ... 15-25 Oolite |  | Gedl, Przemysław, Kaim, Andrzej, Leonowicz, Paulina, Boczarowski, Andrzej, Dudek, Teresa, Kędzierski, Mariusz, Rees, Jan, Smoleń, Jolanta, Szczepanik, Patrycja, Sztajner, Przemysław, Witkowska, Magda, Ziaja, Jadwiga (2012) Palaeoenvironmental reconstruction of Bathonian (Middle Jurassic) ore-bearing clays at Gnaszyn, Kraków-Silesia Homocline, Poland. Acta Geologica Polonica, 62 (3). 463-484 doi:10.2478/v10263-012-0026-7 | Journal (article/letter/editorial) | | after Majewski 2000) and location of the Gnaszyn clay-pit (B – after Matyja and Wierzbowski 2003) Unauthenticated...(Leonowicz 2012, this issue). The lowest content of clay, coinciding with the highest content of sand, falls...the N and O, and below the S siderite horizons. The highest content of clay (and the lowest content of...interval 1–4 m above and about 1 m below the P siderite horizon. The original sedimentary structures,...bottom water was unstable. The interval above the O siderite horizon was deposited during an oxygen-depleted |  | | Catalog/List | | Grube Sampson, 8'1>. Andreasberg, Harz Mts., Germany. Unusual silvery grey It" botryoidal mass. £~....Chalcopyrite. 3tx2t". £2. 21. CASSITERITE. Goonbarrow Clay Pit. Bugle, Hensbarrow Moor, Cornwall. i" vein of... numerous in number, and with odd tancoloured Siderite crystals scattered on it. Apart from the large...3tx2t. £5. 35· CHALCOPYRITE. Dresla~ Baden, Germany. Bright, sharp, slightly irridescently tarnished...Ihlt". £4. 80. PYRARGYRITE. Schneeberg, saxony, Germany. Small bright, deep red, crystals scattered over |  | | Journal (article/letter/editorial) | | Clays and Clay Min erals, Vol. 45, No. 4, 564-579, 1997. AN Fe-BERTHIERINE FROM A CRETACEOUS LATERITE:...as replacement of kaolinite Copyright © 1997, The Clay Minerals Society along pseudohexagonal crystal...chemistries of gibbsite, kaolinite, goethite and siderite with which it is in eqUilibrium, allows a portrayal...containing pisoids and pseudo-ooids with a quartz-siderite-berthierine mineral assemblage deposited in a...with kaolinite as a matrix in siderite concretions. Authigenic siderite was always observed in association |  | | Journal (article/letter/editorial) | | (Central Poland) (Textfig. 1). It is an active clay-pit, exposing a monotonous series of soft clays or...the succession. Distinctive horizons of large siderite concretions with common septarian structures (Majewski...1998). Text-fig. 2. Sketch-map of the Gnaszyn clay-pit with location of studied sections (from Gedl and...barnesiae-dominated assemblages from the Upper Jurassic Kimmeridge Clay Formation (Dorset, UK), as nannoplankton blooms...samples taken from the interval around the O and P siderite horizons (Gns34, Gns38 and Gns16a) are also slightly |  | | Journal (issue) | | customs post on the border between France and Germany. Our evening strolls seemed to be somewhat of a...which also has a treacle mine - a clay pit with very sticky red clay and nearby is a pub called The Treacle...something else in view of the adherent qualities of the clay. This reminds me of a story in our family of my...detailed list of these, which included mine dumps, clay pits and a quarry. Reflecting the emphasis on safety...appetites whetted for a visit to Wheal Remfrey china clay pit near Indian Queens in the morning, we were free |  | | Book | | English China Clay Group Ltd. This later enabled me to obtain an annual pass into the working clay pits. The...several hours looking around this rather large open pit working, we settled on a strong quartz vein showing...showing traces of wolfram in the centre of the open pit. After a short while we broke out a very vughy area...argentite with proustite and native arsenic from Germany. No precise locations were given for the latter...visit. Sunday 5 February 1978 - Rostowrack China Clay Pit. St Dennis. Cornwall Picked up Dick at his house |
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