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Chamosite from
Limestone quarry, Prachovice, Chrudim District, Pardubice Region, Czech Republic


Locality type:Quarry
Classification
Species:Chamosite
Formula:(Fe2+)5Al(Si,Al)4O10(OH,O)8
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Chamosite data
Locality Data:Click here to view Limestone quarry, Prachovice, Chrudim District, Pardubice Region, Czech Republic
Data Identifiers
Mindat Occurrence Record ID:348311
Long-form Identifier:1:3:348311:4
GUID (UUID V4):b406fd9f-92da-41b7-8760-584b93078456
Nearest other occurrences of Chamosite
29.9km (18.6 miles) Malešov deposit, Malešov, Kutná Hora District, Central Bohemian Region, Czech Republic
77.4km (48.1 miles) Kostelíček, Třebíč, Třebíč District, Vysočina Region, Czech Republic
98.2km (61.0 miles) Krucze Skały, Karpacz, Karkonosze County, Lower Silesian Voivodeship, Poland
98.3km (61.1 miles) Wołowa Góra, Kowary, Karkonosze County, Lower Silesian Voivodeship, Poland
References
Reference Search (possible matching items)
Journal (article/letter/editorial)
Journal of the Czech Geological Society 47/3–4(2002) 111 Study of vein carbonates and notes to the...Department of Geology, Svobody 26, 771 46 Olomouc, Czech Republic; e-mail: zimak@prfnw.upol.cz Masaryk University...and Geochemistry, Kotláøská 2, 611 37 Brno, Czech Republic; e-mail: losos@sci.muni.cz Regional museum...Republiky 5, 771 73 Olomouc, Czech Republic; e-mail: novotny@vmo.cz Czech Geological Survey, Klárov 3...3, 118 21 Praha 1, Czech Republic; e-mail: dobes@cgu.cz, hladika@cgu.cz Hydrothermal mineralizations
Journal (article/letter/editorial)
consist mostly of goethite, but also siderite and chamosite occur, and quartz grains are commonly the nucleus...iron oolite. The ooids consist of francolite and chamosite hosted in sandstone cemented by calcite and phosphate...clay can also be seen here. In another section, chamosite and limonite (mainly goethite) ooids occur together...between Vänern and Vättern). The Aserian oolitic limestone occur within the Didymograptus 243 murchisoni...of Aseri and Lasnamägi (Holmer, 1983). In one quarry, this hardground is a black, thin phosphorite with
Journal (article/letter/editorial)
ooids. One Swedish oolite contains a mixture of chamosite, goethite and hematite ooids, and it is suggested...suggested that the two latter types were derived from chamosite ooids by early diagenetic alteration. The REE...Major-and minor-element contents in limonite and chamosite ooids are similar, whereas their REE patterns...ooids have a LREE/HREE ratio from 1 to 2.4, and chamosite ooids from 3 to 5. The amounts of REE in the ooids...Germany, the U.K. (England, Wales), Poland, the Czech Republic (Bohemia) and other places (H.L. James, 1966)
Report (issue)
published in 1857, 1859 and 1864. Most of the district now being described lies within the area of the...siderite and Mr. B. R. Young X-ray examination of chamosite. The memoir has been edited and seen through the...ECONOMIC PRODUCTS AND WATER SUPPLY •. Iron Ore, 118. Limestone, 120. Building Stone, 120. Brick and Tile Clays...Sketch-map to illustrate the position of the Banbury district in .. .. .. .. relation to surrounding areas ...map of the region around Banbury .. 101 F10. 16. Bouguer gravity anomaly map of the region around Banbury
Journal (article/letter/editorial)
204 AN OUTLINE OF THE GEOLOGY OF THE KETIERING DISTRICT By S. E. HOLLINGWORTH, M.A., D.Se., and J. H....•.. OUlUNE OF TIlE GEOLOGICAL HISTORY OF TIlE DISTRICT THE IRONSTONE INDUSTRY JURASSIC RocKS TECTONIC...geological survey THE GEOLOGY OF THE KETTERING DISTRICT. 205 of the actual and potential ironstone-bearing...have direct application to the geology of the district to be visited by the Association at its Kettering...OF THE GEOLOGICAL IllSTORY OF THE DISTRICf The district dealt with in this sketch may be defined as lying
Journal (article/letter/editorial)
mineral deposits. Fe-bearing phyllosilicates, e.g. chamosite, in the Early Ordovician and Jurassic ironstones...with the leading raw materials sand plus gravel, quarry and dimension stones and limestones used for the...(Fig. 1). It has to be noted that among the term quarry and dimension stones there are also some hidden...extending from Belgium, in the West, through the Ruhr District, Germany, to the Upper Silesian Coal Basin, Poland...In the pegmatite No. 3 at Dolní Bory-Hatě, Czech Republic, it appears as a hydrothermal breakdown product
Journal (article/letter/editorial)
ironstones from 38 localities in 8 countries (U.K., Czech Republic, Germany, France, Luxembourg, Egypt, Nigeria...analyses, two types of ironstones, namely, the chamosite and the kaolinite types, were identified. These...magnetite-bearing and the moderately ferruginized chamosite subtypes. The classification of the types and...Field I contains three chamosite subtypes. These subtypes consists of chamosite which occurs as groundmass...and in the form of ooids (pisoids, peloids). Chamosite consists of the end-members Fetot (ranging from
Report (Issue volume)
Surv.) PLATE I (A.8325) A. HOLWELL IRONSTONE QUARRY, LEICESTERSHIRE. i (A.5558) B. NEWBRlDGE IRONSTONE...the general direction of Mr. T. H. Whitehead, as District Geologist. Of these three, the Frodingham ironstone...furnished a report on an X-ray examination of chamosite specimens from the Cleveland Main Seam. The petrography..... .. .. .. Mineralogy . . Siderite (p. 17); Chamosite (p. 17); Limonite (p. 23); Magnetite (p. 23);.... •• III. LIASSIC IRON ORES OF THE CLEVELAND DISTRICT . . . .. .. .. .. .. .. .. .. .. .. Geographical
Journal (article/letter/editorial)
exposures. The area comprises the 'Scarborough District' of the Scarborough Field Naturalists' Society...classic area of Hackness to the coast. A map of the district, showing all exposures of the Callovian Beds,...among them being the continuity of the several chamosite oolite beds found throughout the Callovian succession...Guide to the Natural History of the Scarborough District, with an account of the Callovian by Sylvester-Bradley...being represented here by no more than 6 ft. of chamosite oolite and calcareous sandstone. The practice
Report (Issue volume)
the general direction of Mr. T. H. Whitehead as District Geo)ogist., The Northampton Sand Ironstone Field...Lincolnshire Limestone (p. 15); Upper Estuarine Series (p. 20); Great Oolite Limestone (p. • 21); Great... 6.-Section of Northampton Sand, Finedon Glebe Quarry • • ,, . . FIG. 7.-Section of Northampton Sand...Earl's Barton Silica Sand Co's. . . . Doddington quarry . . . . . . . . 17.-Plan and sections of bulged...north end of Premier . . . . . . . Cement Co's. quarry, Irthlingborough 18.-Diagrammatic sections illustrating
Report (Issue volume)
the general direction of Mr. T. H. Whitehead as District Geologist. Dr. Taylor has made a special study...Li�estone Groups (p. 26) ; C. • The Upper and Lower Chamosite-Kaolinite Groups (p. 29). • ' A. Oxidized.·... Siderite Mudstone-Limestone· Groups (p. 38); C. Oxidized rocks of the Chamosite-=--Kaolinite Groups...FtG. 2.-Diagram to illustrate composition of chamosite from the North- ampton Sand Ironstones (Fe 20...FrG. 3.-Diagram to illustrate composition of chamosite from the North­ ampton Sand Ironstones· (all iron
Report (issue)
Geophysical appraisal of two gravity minima in the Wash district. J. M. Allsop 28 Natural levels of uranium in...illustrated are now inaccessible but those at Cilgwyn quarry [SH 501 541] were re-examined. These are shown...(Figure 3). The grit crops out in the north-western quarry face where it dips moderately steeply to the north-west...continue across the folds in the south-western quarry face. The major portion of the grit terminates...Fearnsides, 1926, Figure 7) is seen in the north-eastern quarry face where bedding can be seen in the underlying
Book
gneiss; sandstone was converted to quartzite; limestone to marble; and shale became slate or mica schist...contains "red beds" of sandstone, shale, and minor limestone and gypsum (all under glacial cover), which have...and iron deposits in the Northern Peninsula, that region has been intensely prospected, especially in the...Oronto Group a.. 3: co w C: _J 0 0 Marquette Iron District, Baraga and Marquette Counties diabase dikes...rush" in Michigan and throughout the Great Lakes region. Since then, more than 20 kimberlites have been
Book
GEOLOGICAL SUCCESSION IN THE CHIPPING NORTON DISTRICT Quat- emary (Drift) • Calcareous Tufa Peat...Great Oolite Limestone This mapping unit comprises in downward sucoeuion: White Limestone; white to pale...Ferruginous chamositic sideritic shelly sheD-fragmental limestone 0-7.5 M. Lias Silts & Clays Pale gteenish grey...limestones 85-240 Langpon Member; white porcellanous limestone 0-5 Cotham Member; pale gtey and g1eenish grey...country around Chippirig Norton . ,, J l The district described in this memoir includes the Oxfordshire
Report (issue)
BEDDED IRON ORES : A. THE FERROUS ORES. I. Chamosite and Chamosite-siderite J.\iludstones: Cleveland Ironstone...ORES (contd.) : B. THE FERRIC ORES. IV. Ferric Chamosite Oolites: North Wales, Rosedale and Northants Ores...reactions. Mineral fades. Bacterial action. 90 Chamosite-sidcritc calcite. Sundry 104 VI.-WEATHERING...Haematites of West Cumberland, Lanca.~hire and the Lake District. By B. Smith, M.A. 236 pp. 5 plates, 31 text figures...general importance of the chloritic silicates ' chamosite,' ' thuringite,' etc., minerals which had long
Journal (article/letter/editorial)
Ordovician; Indonesia; Baltoscandia; Wales; Czech Republic 1. Introduction The origin and conditions...Mineralogy–Ordovician iron ooids are composed of hematite, chamosite, or iron oxyhydroxides. A precise mineralogical...whereas the Swedish ooids can be composed of either chamosite, hematite and limonite. The XRD analyses of the...different grain size (Heikoop et al., 1996). Chamosite ooids usually have a better-preserved lamination...increases westwards and is particularly high in the chamosite ooids in Sweden. For the purpose of comparison
Report (issue)
_____________________________ Chlorite (excluding chamosite) _______________ Minnesotaite. ______________________________...successions of Precambrian rocks of the Lake Superior region. ________________ 7. Activity of dissolved iron...manganese, magnesium, and calcium in solid solution; chamosite, greenalite, and glauconite (which upon slight...the Lahn-Dill district of Germany and the Helen iron-formation of the Michipicoten district of Canada, appear...percent Fe2O3 and 2.45 percent FeO, and the average limestone 0.54 percent combined Fe2O3 and FeO (Clarke, 1924
Report (issue)
---------35 27. Crossbedded Upper Cretaceous limestone about 10 km northwest of Al Kussabat_ ____ _______...______________ 48. Sketch map of the Gargaresh quarry area near Tripoli_______________________________________________...deposits ____________________________ _ Analyses of limestone and clay samples ____________________________...southwestern Libya. In north-central Libya much of the region south of the Gulf of Sirte (Khalij Surt) is a fault-controlled...faults in south-central Libya extend from the Republic of Niger to the Al Haruj al Aswad area. Major
Journal (article/letter/editorial)
striking development of these rocks in the Etruria region of Stokeon-Trent where many quarries (" marl holes...the post-Carboniferous igneous activity in the district (see especially Scott in Gibson, 1925, p. 86)...inches thick, appears in the lower part of the quarry (almost certainly the pit showing faulting mentioned...carbonates and of a green mineral shown later to be chamosite (the " serpentinous material " of Barrow in Gibson...1905, p. 131). Dixon has already suggested that chamosite may be more widespread in the sediments of the
Journal (article/letter/editorial)
version accepted June 30, 1999 Summary In the Nurra region, NW Sardinia, oolitic ironstones are interlayered...ooids consist of chamosite, siderite or magnetite or, rarely, stilpnomelane. Chamosite ooids consist of...late replacement by siderite. The alternation of chamosite and Fe-oxide observed in a few samples points...Fe-rich chemical component. The abundance of chamosite and siderite explains the high values of LOI and...constituees de chamosite, siderite ou magnetite ou rarement, stilpnomelane. Les oolithes de chamosite peuvent
Journal (article/letter/editorial)
L.V. Anfimov, and M.T. Krupenin. In the Bakal district, the deformed and eroded Archean rocks of the...terrigenous rocks and basic volcanics. The Bakal district is localized in the Bashkir Anticlinorium, a zone...direction (Kamaletdinov, 1986). The deposits of this district are located in the Upper Bakal Synclinorium, a...(Anfimov, 1997). The siderite ores of the Bakal district are characterized by (1) complex morphology of...of metasomatic replacement of host dolomite, limestone, and magnesite with siderite; and (5) absence
Journal (article/letter/editorial)
two of sandy oolite (Upper Siderite Mudstone-Limestone Group)! and a considerable thickness of glacial...Fossils collected from the Lower Siderite Mudstone-Limestone Group included a Terebratulid that is considered...represent a new genus and species. The ironside quarry of the Pitsford Ironstone Co., on the south side...sideritic limestones of the Upper Siderite Mudstone-Limestone Group resting on 6-11 feet of workable ironstone...the north-east side of the village the working quarry of the Earls Barton Silica Sand Co. was examined
Journal (article/letter/editorial)
Rock exposures running through the centre of this region .Data from this paper and from the author's previou...major part of the Callovian Stage in York shire. Chamosite oolite form s an important constituent of the...(Wright, 1968a). The most prominent bed here is a chamosite oolite (f3z). Westwards, the sands beneathji,...P2can be subdivided: m Massive, fossiliferous, chamosite oolite sandstone. seen to 2·7 4·5 P.. Massive...Kellaways Rock . The sandy, phosphatic , chamosite oolite limestone typical of the eastern Hackness Rock
Journal (article/letter/editorial)
Cleveland, at first at Grosmont and later in the richer region farther north, near Guisborough and Skelton. Except...facies, a dense fossiliferous ironstone with chamosite ooliths set in a siderite matrix. 3. Chamositic...; usually characterized by massive sandy grey chamosite-oolites. The areal distribution of these four...here extends the area of Yeovilian rocks in the region to the west as previously defined (Macmillan, 1932)...extension of the Whitby Basin facies of the coastal region already defined (Rastall and Hemingway, 1940).
Journal (article/letter/editorial)
inlier of 'Corallian' facies Middle Oxfordian limestone within the more typical mudrock-dominated West...relief for 6 km. Recent deep excavations in the district have revealed the base of these beds, not exposed...are named North Pit [TL 544 728], Dimmock's Cote Quarry (formerly Bridge Pit North [TL 545 724]), Bridge... Cambridgeshire County Council. Dimmock's Cote Quarry is being actively worked by the Wicken Lime and...deeper level at Dimmock's Cote Quarry, exposing a 0.6 m thick bed of limestone which yielded numerous ammonites
 
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