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Kerolite from
Dean Quarry, St Keverne, Cornwall, England, UK


Locality type:Quarry
Classification
Species:'Kerolite' (not an IMA approved species)
Formula:(Mg,Ni)3Si4O10(OH)2 · nH2O (n ~ 1)
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Kerolite data
Locality Data:Click here to view Dean Quarry, St Keverne, Cornwall, England, UK
Data Identifiers
Mindat Occurrence Record ID:205230
Long-form Identifier:1:3:205230:4
GUID (UUID V4):271f2c55-651b-4e89-b8bf-fc22aba2b1e5
References
Reference Search (possible matching items)
Journal (article/letter/editorial)
stevensite and kerolite in the Devonian Crousa gabbro at Dean Quarry, The Lizard, Cornwall, England N . J. E...Little Treviscoe, St A ustell, Cornwall PL26 7QL, *48 St Julitta, Luxulyan, Bodmin, Cornwall PL30 5ED and...Cornerstone, 7 Tregonning Park, St Keverne, Helston, Cornwall TR12 6QT, UK (Received 1 July 1996; revised...T : Stevensite has been found at Dean Quarry, The Lizard, Cornwall, associated intimately with the disordered...disordered, hydrated variety of talc known as kerolite. Both minerals occur as pseudomorphs after pectolite
Journal (article/letter/editorial)
633 kerolite in the Devonian Crousa gabbro at Ageing effect, on the nature and interlayering Dean Quarry...Quarry, The Lizard, Cornwall, of mixed hydroxy A1-Fe-montmorillonite England: pseudomorphous after, 241...stevensite and kerolite in the Devonian Crousa gabbro at Dean Quarry, The Lizard, Cornwall, England, 241 Calcite-quartz... G., 253 Cornwall, England, an occurrence of steven- 682 Annual Index site and kerolite in the Crousa...stevensite and kerolite at experiment on an acid brown soil, 289 Dean Quarry, The Lizard, Cornwall, Electrodes
Journal (article/letter/editorial)
diffraction as a poorly crystalline Fe-bearing kerolite-like 2:1 layer silicate (which will be described...WordsÐAsbestos, Chrysotile, Hydrothermal Conversion, Kerolite, Smectite. INTRODUCTION These dimensional differences...acid 200ëC Kerolite crystallized No kerolite crystallized Formic acid 100ëC No kerolite crystallized...crystallized Oxalic acid 200ëC Kerolite crystallized Treatment time (h) Mg2 removed (%) 2.0 N 2.0 N 2.0 N 96...the absence of NaF. sheets of chrysotile and kerolite. In the oxalic-acid Smectite developed a sharp
Journal (article/letter/editorial)
Clay Minerals, Vol. 50, No. 4, 514–524, 2002. KEROLITE IN CARBONATE-RICH SPELEOTHEMS AND MICROBIAL DEPOSITS...Ontario, Canada N6A 5B7 Abstract—The occurrence of kerolite in association with various secondary Ca-Mg carbonate...basaltic sea caves on the island of Kauai, Hawaii. Kerolite is the dominant clay mineral in the deposits.... X-ray diffraction (XRD) peaks of the kerolite are characteristically broadened indicating its extremely...changes were observed in the XRD patterns of this kerolite when it was subjected to various humidity, temperature
Journal (article/letter/editorial)
combination of chemical and crystal defect variability. Kerolite was used to designate disordered, hydrated talc...that there is no clear line delimiting talc from kerolite as a single phase or in mixed-layer minerals and...Keywords: Crystal chemistry, infrared spectroscopy, kerolite, talc, talc-smectite, thermal analysis, trioctahedral...trioctahedral smectite, X-ray diffraction Introduction Kerolite is a mineral name now discredited by the IMA Commission...used. Two or more of the mineral phases—talc, kerolite, mixed-layer kerolitesmectite (Ker-S), and trioctahedral
Journal (article/letter/editorial)
a laser ablation system (ESI NWR 213, Huntingdon, UK). Laser spot sizes of 110 μm were utilized in analysis...stevensite substrate (Ç5c). Sep, sepiolite; M, magnesite; St, stevensite 355 Clays and Clay Minerals Table...00 3.36 3.19 0.17 M, magnesite; Sep, sepiolite; St, stevensite 3.51 30.53 1.95 8.07 0.79 0.07 0.01...Jones, B. F., & Khoury, H. N. (1982). Mixed layer kerolite–stevensite from the Amargosa Desert, Nevada. Clays...saponite and kerolite in the Devonian Cruosa gabbro at Dean Quarry, The Lizard, Cornwall, England. Clay Minerals
Journal (article/letter/editorial)
mainly saponite, stevensite or interstratified kerolite-stevensite (Galán et al., 1986; Martin de Vidales...explained by addition of Mg silicate (stevensite or kerolite) layers to the preexisting minerals of the dioctahedral...indicates that the presence of kerolite is not significant. Kerolite (k) or kerolite-stevensite (k-s) mixed-layers...that can be interpreted as a physical mixture of kerolite and stevensite under glycerol treatment. Differences...stevensite and kerolite in the Devonian Crousa gabbro at Dean Quarry, The Lizard, Cornwall, England. Clay Minerals
Journal (article/letter/editorial)
16, 73-83 Talc-rich hydrothermal rocks from the St. Paul and Conrad fracture zones in the Atlantic Ocean...covered by Fe-Mn coatings were recovered from the St. Paul F.Z. (00°37’S-25°34’W, equatorial Atlantic)...particularly rare earth element, distributions. The St. Paul F.Z. samples are breccias consisting of angular...Key-words: talc, hydrothermal minerals, Atlantic Ocean, St. Paul Fracture Zone, Conrad Fracture Zone. 1. Introduction...the Ridge-Transform Intersection (RTI) between the St. Paul Fracture Zone (F.Z.) and IntraTransform Ridge
Report (volume)
The idea for the workshop came to four of us-Walt Dean, Phoebe Hauff, Harry Tourtelot, and me-during a...committee: Bruce Bohor, Lorna M. Carter, Walter E. Dean, Jr., Donald L. Gautier, Martin B. Goldhaber, Phoebe...lithofacies in the Atlantic Ocean, by Walter E. Dean and Michael A. Arthur 97 PART III. CARBONATE DIAGENESIS...Department of Marine Science, University of South Florida, St. Petersburg, Florida 33701 CONTENTS Abstract 2 Introduction...the subsurface, reduced portions of the shallowst site (site 19), H 20 2-soluble Cu was clearly the
Book
gedrite (light gray). (C) BEI showing staurolite (St) breakdown to hercynitic spinel (Hc; white grains)...assemblage that can be schematically described as St þ O2 / Hc þ Gd þ Sil þ Qtz þ L (1.32) Despite evidence...stable melt-absent staurolite breakdown reaction St ¼ 3Hc þ 0.2Gd þ 5.6Sil þ 1.2Qtz þ 1.8V (1.33) as...terms of the KeNaeCaeFeeMgeAleSieHeO system, e.g., St þ Ms þ Pl þ O2 ¼ Hc þ Gd þ Als þ Qtz þ L (1.34) The...respectively, to produce Alm þ Sil and Crd þ Sill from St þ Qtz. He suggested that, although this may point
Book
PO Box 315. Harpenden. Hertfordshire AL5 2ZD. England Telephone: +44 (0)1582 762413 Fax: +44 (0)870 055...the production of e0pper. the mining areas of Cornwall and Devon became important producers of b th tin... I made it a stipulation that e:ich en~ in rn:, ·st ,, ,u.d be fully referenced. After eight years the...Oxford University Museum of Natural History; Royal Cornwall Museum, Truro; Sedgwick Museum, University of...1\llaga::i11e, on minerals from localities in Cornwall. Devon. Cumbria and Yorkshire. He was renowned
Journal (article/letter/editorial)
because of the coincidence of the peak positions. Dean (1983) interpreted the broadening of odd chlorite...(1993) suggested stevensite interstratification in kerolite (disordered talc). A regular species has been...interstratified and associated with sepiolite. End-member kerolite was also reported. The expandable component was...anthracite region, Pennsylvania. Am. Mineral. 75:825– 39 Dean RS. 1983. Authigenic trioctahedral clay minerals...Eberl DD, Jones BF, Khoury HN. 1982. Mixed-layer kerolite/stevensite from Amargosa Desert, Nevada. Clays
Book (chapter)
gedrite (light gray). (C) BEI showing staurolite (St) breakdown to hercynitic spinel (Hc; white grains)...assemblage that can be schematically described as St þ O2 / Hc þ Gd þ Sil þ Qtz þ L (1.32) Despite evidence...stable melt-absent staurolite breakdown reaction St ¼ 3Hc þ 0.2Gd þ 5.6Sil þ 1.2Qtz þ 1.8V (1.33) as...terms of the KeNaeCaeFeeMgeAleSieHeO system, e.g., St þ Ms þ Pl þ O2 ¼ Hc þ Gd þ Als þ Qtz þ L (1.34) The...respectively, to produce Alm þ Sil and Crd þ Sill from St þ Qtz. He suggested that, although this may point
Book (edition)
In addition to these acknowledgments, he would St. Louis, and S. S. HALDEMAN Aid Jr., and HAYES...also Bath oolite ; named from the locality, in England. Bevelment, beveled, 35. Bitter, 66. Bittern...impalpable powder which is finally deposited. In Cornwall, the granite combustion. Elvan, masses forming...place contiguous. rets of dark shades of color. In Cornwall, the schistose Killas. Glimmering. Glistening...] Roasting of ores. regular. Stockwerks. In Cornwall, works in beds and veins of ore. The works in
Book (edition)
deteriorate another metal by from the locality, in England. mixture with it. Alluvial. [Lat. alluo, to wash...deposited. Deflagrate. To burn with vivid Elvan. In Cornwall, the granite combustion. masses forming broad...color. Glimmering. Glistening, 56. Killas. In Cornwall, the schistose Globular, 53. rock in which the...grooves, more or less regular. A Stockwerks. In Cornwall, works in beds and veins of ore. The works in...county, N. C. and on the Washita in Arkansas. England, nitrogen is escaping from the tepid springs at
Book (edition)
A A Bath oolite named from the locality, in England. wash over.] Bevelment, beveled, 35. to deteriorate...vivid finally deposited. combustion. Elvan. In Cornwall, the granite Deliquesce. To change to a liquid...color. Glimmering. Glistening, 56. Killas. In Cornwall, the schist osa Globular, 53. rock in .which the...] Roasting of ores. regular. Stockwerks. In Cornwall, works in beds and veins of ore. The works in...C. and on the Washita in Arkansas. At Bath, in England, nitrogen is escaping from the tepid springs at
Book (edition)
also Bath oolite ; named from the locality, in England. Bevelment, beveled, 35. Bitter, 66. Bittern, 106...vivid finally deposited. combustion. Elvan. In Cornwall, the granite Deliqnesce. To change to a liquid...contiguous. rets of dark shades of color. Killas. In Cornwall, the sc!iistoae Glimmering . Glistening, 56. rock...burnt.] Roasting of ores. regular. Stockwerks. In Cornwall, works in beds and veins of ore. The works in...Lockport, New York, is always curved in this way. St ill more singular curvatures are sometimes met with
Report (volume)
AND RESIDUAL KAOLIN DEPOSITS 78 80 80 Comwall, England New Zealand SEDIMENTARY 80 82 83 84 86 87 German...o + ois ss | «A . . io e eec iae &OlmKe «St ee | ‘“s[Teqep r0F "6 - . 4xeq ‘q FINO SeTQTOTpotieg...presently mined from major deposits in the Cornwall region of England and the south eastern United States,...South Carolina and Georgia (secondary) and Cornwall, England (residual) with smaller deposits distributed...Missouri Janina, Poland Wilkinson County, GA Cornwall, England W ~ oO oO Twigg County, GA Washington County
Book (edition)
deteriorate another metal by from the locality, in England. mixture with it. ; A A Alluvial. [Lat. alluo...moisture. Pendrites. [Gr. dendron, tree.] In Cornwall, the granite masses forming broad veins in the...place contiguous. dark shades of color. Killas. In Cornwall, the schistose Glimmering. Glistening, 56. rock...] Roasting of ores. regular. Stockwerks. In Cornwall, works in beds and veins of ore. The works in...and on the Washita in Arkansas. lition ; ; ; England, nitrogen is escaping from the tepid springs
Book (edition)
these acknowledgments, he would American minerals. St. Louis, Aid and Hayes of Lowel, Mass., and S....sslso Bath oolite named from the locality, in England. Bevelment, beveled, 35. ; Bitter, 66. Bittern...obtain powder which is finally deposited. In Cornwall, the granite masses forming broad veins in the... ICillas. rock ; To place contiguous. In Cornwall, the schistose which the lodes occur. in reflect-...] Roasting of ores. regular. Slockwerks. In Cornwall, works in beds and veins of ore. The Veins.
Journal (article/letter/editorial)
Hedges, Seattle J. Hertogen, Leuven F. A. Podosek, St. Louis E. J. Reardon, Waterloo J. Rullklitter, Julich...Luth R. W. McDonough W. F. Michaelis W. O’Neill H. St. C. PaIme H. Rosenhauer M. Rutgers van der Loeff...........1.,............. ore tluid from S.W. England, determined 585 Articles T. H. DONNELLY, J. H...1 atm dissolution experiments of sepiolite and kerolite ................................. 365 P. GARRIGUES...deposits from Fengtien, Taiwan 593 S. SEIFERT,H. ST. C. O’NEILLand G. BREY:The partitioning of Fe, Ni
Book
Byssolite. Asbestos of Koruk. Rock Wood. Kerolite. Pectolite. Soda Table-Spar. Mountain Paper...3B fuses globule. Locality. readily to Cape Cornwall Huel Unity, Botallack, Huel Owls, and several...colourless varieties of Tourmaline. They are found at St. Gotthard, in Elba, and Siberia. AcicuLAR Akseniate... Saltzburg and Greiner in the Zillerthal, Tyrol. St. Gotthard. Sweden. Norway. Piedmont. Brit. Mus....Localities.— English. Cornwall; the Lithe Cheesewring ; Cadgwith Point ; ; . St. . Gotthard . 65-69
Report (issue)
adheres to the tongue (fig. 10). Locality: Crump's quarry, Mineral Hill, % mile north of State Roads, about...gum arabic. Locality: Wood's chrome mine, Open Quarry, Little Britain Township, Lancaster County, Pa...opaque, massive. Locality: Wood's chrome mine, Open quarry, Little Britain Township, Lancaster County, Pa...Gouverneur Talc Co., «2,000 feet north of Balmat Corners, St. Lawrence County, N.Y. Geological occurrence: Class...level, 1,600 feet westsouthwest of shaft. Talcville, St. Lawrence County, N.Y. Geological occurrence: Class
Journal (article/letter/editorial)
Hedges, Seattle J. Hertogen, Leuven F. A. Podosek, St. Louis E. J. Reardon, Waterloo J. Rullkotter, Julich...Luih R. W. McDonough W. F. Michaelis W. O’Neill H. St. C. Palme H. Rosenhauer M. Rutgen van der Loeff M...of a primary granite-derived ore fluid from SW. England, determined byfluidinclusionanalysis ............1 atm dissolution experiments of sepiolite and kerolite ................................. 365 P. GARRIGUES...deposits from Fengtien, Taiwan 593 S. SEIFERT, H. ST. C. O’NEILL and G. BREY: The partitioning of Fe,
Journal (article/letter/editorial)
Vidales et al. (1989) indicate that pink clay is kerolite-stevensite mixed-layer material. Tabular dolostone...Arroyo. We are most thankful to R.J. Spencer, W.E. Dean and two anonymous referees for constructive criticism...rocks in the Carboniferous of Northtumberland, England. J. Sediment. Petrol., 47: 771-783. Allen, P.A
 
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