 | | Journal (article/letter/editorial) | | the micaceous phyllosilicates, kaolinite-, smectite-group minerals and the composition of glauconite...extraterrestrial impacts. The glauconite-kaolinite-illite-smectite-chlorite assemblages are efficient tools for the...sabkha to the alluvial fan. Chromium muscovite, Cr smectite, and Cr chlorite formed at the brink from hypogene...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 |  | Čopjaková, Renata, Prokop, Jiří, Novák, Milan, Losos, Zdeněk, Gadas, Petr, Škoda, Radek, Holá, Markéta (2021) Hydrothermal alteration of tourmaline from pegmatitic rocks enclosed in serpentinites: Multistage processes with distinct fluid sources. Lithos, 380. 105823pp. doi:10.1016/j.lithos.2020.105823 | Journal (article/letter/editorial) | | beryl- Jo ur columbite pegmatites, all cutting serpentinite from the Moldanubian Zone, Czech Republic. Tourmaline...K-feldspar, zeolites, arfvedsonite, and minor smectite suggests ro alkaline conditions. The alkaline...alkaline character of fluids promoted by host serpentinite was very -p likely the main factor affecting tourmaline...behavior of B in granitic rocks enclosed in serpentinite and other compositionally contrasting rocks...lithologies. (i) The Drosendorf Unit is structurally divided on the lowermost Monotonous Group encompassing mainly |  | | Journal (article/letter/editorial) | | dolomite, serpentine and/or mixed-layered illite-smectite (I-S) minerals are encountered in the talc samples...Soapstone-type talc has an appearance of slick and horn-like thin rods and firm fibrous aggregates. Figure...mmÿ3 cm) within the serpentinites. Talc and serpentinite levels alternate in the alteration zone. Sedimentary-hosted...found in the lower and upper parts of talc occurrences and consist of granules with serpentinite, gabbro and...is located between green conglomerates with serpentinite and volcanic fragments at the bottom, and sandy |  | | Journal (article/letter/editorial) | | upper part, and laminated limestone and marl in the lower part. The K/T boundary is marked by a 6-mm-thick...Palygorskite and rarely serpentine are associated with smectite. A minimum in CaO + MgO content exists at the...miscellaneous, low- and high-field-strength, platinum-group, and rare-earth elements reveal a substantial anomaly...concordant marine sequence of Upper Cretaceous-lower Miocene strata ranging from 1200 to 2000 m in thickness...Hekimhan K/T transition layer. goethite) in the lower parts. The Upper Cretaceous rocks were cut by basaltic |  | | Catalog/List | | ~black cry~t~i;,o;-~;atrix. M~~nl Malo~O:. i:~n{ba District. IX I ins £5 2 AEGIRINE £10 Pyroxene Malawi lxl... _ . Pure black mica plate new Analysis , Saga Quarry. Tvedalcn near Ix I £3 I x2 £6 2x2 £ 12 7 AN!lilTE...18 ANORTHITE ..J:.e.l_dspar 2x2£2 2x3 £4 Felspar group pun: pale brown cleavages. Ula, near Larvik, South...Brazil Rich b·iue ~~ massive 54 APATITE Felspar group 2>c3 £7.S0 Ix2 £2.SO 2x2 Holmbush Mine. Kelly Bray...cleavage 42 BARYTES • ·-- -·Small while crystal group offseptarian Sheppcy, Kent J x I cm _BaSO/4 __ ____ |  | | Journal (article/letter/editorial) | | AND OCCURRENCE OF FERRIAN SMECTITES BETWEEN SERPENTINITE SAPROLITES AND BASALTS IN BIGA PENINSULA, NORTHWEST...mineralogy of an oxisol-saprolite overlying serpentinite and underlying basalt was studied with different...occurred and to understand the origin of Fe 3 +-rich smectite. The saprolite zone of the oxisol, up to 30 m...and chlorite-content increases toward altered serpentinite at the base, Minor amounts of nontronite formed...exposures where the hot contact layer between serpentinite and basalt is only 20 cm thick. Greene-Kelly |  | | Book (edition) | | Pierre-Jacques Chiappero (France). G. Daxner (Austria). M. Dcliens (Belgium). Giancarlo Delia Ventura... Keams (USA). Elisabeth Kirchner (Austria), Uwe Kolitsch (Austria). Werner Krause (Gennany). Andre Lalonde...Lalonde (Canada), P. Leblhuber (Austria), Andrew Locock (Canada). J.A. Mandarino (deceased) (Canada),...Filippo Olmi (deccased) (ltaly). Werner H. Paar (Austria). Gian Carlo Parodi (France). Marco Pa ero (ltaly)...(Canada). Alan R. Plante (deceased) (USA), L. Putz (Austria). Gunnar Raade ( orway). Robert A. Ramik (Canada) |  | | Journal (article/letter/editorial) | | g/cm3 (calc.). Crystallography: Monoclinic, space group not given but probably Cc by analogy with cookeite...(2003): Borocookeite, a new member of the chlorite group from the Malkhan gem tourmaline deposit, central...ordered, mixed-layer dioctahedral pyrophyllite–smectite M ONOCLINIC Locality: 750 m northeast of Penrhyn...Associated minerals are: quartz and a chlorite-group mineral. General appearance: Anhedral grains in...species: It is made up of pyrophyllite-like and smectite-like units. Name: After Dr. Brin Roberts, Birkbeck |  | | Journal (article/letter/editorial) | | combining the commodity (lines) shown by numbers plus lower caps with the host rocks or structure (columns).... . . . . . . . . . . . . . . . . . . Platinum group elements (PGE) . . . . . . . . . . . . . . . . ...platinum-group-element deposits . . . . . . . . . . . . 6.3. Structure-related platinum-group-element...Sedimentary platinum-group-element deposits . . . . . . . . . . 6.5. Platinum-group-element supply and.... . . 45.1. Chemistry and mineralogy of garnet-group minerals . . . . . . . . 45.2. Magmatic garnet deposits | | | Journal (article/letter/editorial) | | combining the commodity (lines) shown by numbers plus lower caps with the host rocks or structure (columns).... . . . . . . . . . . . . . . . . . . Platinum group elements (PGE) . . . . . . . . . . . . . . . . ...platinum-group-element deposits . . . . . . . . . . . . 6.3. Structure-related platinum-group-element...Sedimentary platinum-group-element deposits . . . . . . . . . . 6.5. Platinum-group-element supply and.... . . 45.1. Chemistry and mineralogy of garnet-group minerals . . . . . . . . 45.2. Magmatic garnet deposits |  | | Book | | —_— 1.12 — 8 10 — —_ 12 14 _ — Courtesy of F&S Group Geology and World Deposits TAO 6.30 5.60 5.00 4...major producing districts, or a representative district if there are many. We name the chief mining companies...graphite supply must come not merely from one district but from a single mine. Thus the physical properties...the industrial minerals covers a highly diverse group of materials. At the one extreme is gravel and crushed...problems faced by management of a gravel pit or stone quarry to alleged health hazards that affect the whole |  | Yongue–Fouateu, R., Yemefack, M., Wouatong, A. S. L., Ndjigui, P. D., Bilong, P. (2009) Contrasted mineralogical composition of the laterite cover on serpentinites of Nkamouna-Kongo, southeast Cameroon. Clay Minerals, 44 (2) 221-237 doi:10.1180/claymin.2009.044.2.221 | Journal (article/letter/editorial) | | profiles, the weathered bedrock shows the presence of smectite (Fe-beidellite) and kaolinite, probably due to...conditions. Towards the top of the profile in the lower clay, ferruginous and upper clay horizons, only...where the downward movement of water is rapid, no smectite was identified. As a whole, the mineralogical...KEYWORDS: lateritic cover, serpentinite, goethite, gibbsite, kaolinite, smectite, Cameroon. Southern Cameroon...silicates (hydrous silicates such as serpentine, talc, smectite, sepiolite # 2009 The Mineralogical Society |  | | Catalog/List | | location details l cm£4 2cm£8 Mount Malosa, Zomba District. Malawi IxI ins £5 Rich line grained black crystalline...sphere shaped nodule. ALSiO ALMANDINE garnet group AlS0/4 Al S0/4 ✓ New East Whcal Russell mine...C0/3 AISiO Feldspar Pb AgSb S CaS0/4 Dolomite group ANNITE ANORTHITE Pure black mica plate new Analysis...grey crystalline mass. 168 ANORTHOCLASE Felspar group pure pale brown cleavages. Ula. near Larvik,South...Kaveltorp MineSweden 18 Mica Feldspar Felspar Group Amphibole 502 ANTIGORITE 29 ANTIGORITE MgFe |  | Petrounias, Petros, Giannakopoulou, Panagiota, Rogkala, Aikaterini, Stamatis, Panagiotis, Tsikouras, Basilios, Papoulis, Dimitrios, Lampropoulou, Paraskevi, Hatzipanagiotou, Konstantin (2018) The Influence of Alteration of Aggregates on the Quality of the Concrete: A Case Study from Serpentinites and Andesites from Central Macedonia (North Greece) Geosciences, 8 (4) 115 doi:10.3390/geosciences8040115 | Journal (article/letter/editorial) | | products was investigated and it appears that only smectite is important, as even small amounts of it may...hydration reactions and considerable swelling of the smectite result in the appearance of defects in the concrete...of the Pelagonian Zone, during Upper Jurassic to Lower Cretaceous [23–29]. Serpentinised peridotites are...Andesite Andesite Andesite Serpentinite Serpentinite Serpentinite Serpentinite 35.62 53.00 45.00 76.00...sample BE.88 and the presence of both illite and smectite-group minerals in samples BE.82 and BE.89. Figure |  | | Catalog/List | | ANDRADITE garnet group ♦ ANGLES ITE Pb SO/4 ANHYDIUTE Ca SO/4 AN KERITE-KUTNAIIORITE Dolom ite group ANN ITE Mica...Mica AN ORTHITE Fe ldspar ANORTHOCLASE Felspar Group ANTHOPH YLLITE Amphibole 2cm £8 3cm £ 15 Near...Quebec Ix! £ 1.10 ,Canada Mount Malosa, Zomba District, Ix½ £3 Malawi Nandan Meteroite, Lihu,Nandan 3mm...Mapimi. Mexico A LLOPHANE ALSi O A LMANDINE garnet group ♦ A LSTONITE Ba C a CO/3 A LUJ\UNITE Al SO/4 A LUMINITE...sug.iry textured mass. good small grey crystal group ~- 2x2 £15 s I z E s i\l ,\ lx l £4 Ix I |  | | Report (issue) | | and W. A. Watters DSIR Geology and Geophysics, Lower Hutt Regretfully, an incorrect initial for Mr Railton...title page. His initials should be G.T., not G.L. Lower Hutt, New Zealand 1990 I I Beach sand, alluvium...may be unfamiliar with chemistry, an Survey) in Lower Hutt. They may also be consulted explanation of...various stages of the draft, and PO Box 30-368, Lower Hutt. J.G. Gregory for his advice and encouragement...(Photo: Wendy St George). Figure9 Arfvedsonite. Group ofcrystalswithin cavity in peralkaline rhyolite |  | | Journal (article/letter/editorial) | | 1987. REASSESSMENT OF THE VOLKONSKOITE-CHROMIAN SMECTITE NOMENCLATURE PROBLEM EUGENE E. FOORD, HARRY C...has been applied to numerous members of the smectite group of clay minerals, although the reported chromium...broad lines corresponding to minerals of the smectite group. On the basis of these data, volkonskoite appears...appears to be a dioctahedral member of the smectite group that contains chromium as the dominant cation...Words-Chlorite, Chromium, Nomenclature, Octahedral cations, Smectite, Volkonskoite. INTRODUCTION In 1981 one of the |  | | Book | | Kaolinite-serpentine group-Kaolinite sub-group 74 11. Kaolinite-serpentine group-Serpentine sub-group 77 111. Pyrophyllite...IV. Mica clay group 80 V. Chlorite group 82 VI. Vermiculite group 83 VII. Smectite group 84 VIII. Interstratified...2. Interlayer materials 2.3. Vermiculite 2.4. Smectite 2.5. Halloysite (10 A) 2.6. Thickness (height)...on the magnitudes of the interlayer-charges. The group is divided into two sub-groups, trioctahedral and...Layer-structure Layertype Sub-group Tri. : Trioctahedral Di. : Dioctahedral Group (Charge per formula unit) |  | | Book | | Kaolinite-serpentine group-Kaolinite sub-group 74 11. Kaolinite-serpentine group-Serpentine sub-group 77 111. Pyrophyllite...IV. Mica clay group 80 V. Chlorite group 82 VI. Vermiculite group 83 VII. Smectite group 84 VIII. Interstratified...2. Interlayer materials 2.3. Vermiculite 2.4. Smectite 2.5. Halloysite (10 A) 2.6. Thickness (height)...on the magnitudes of the interlayer-charges. The group is divided into two sub-groups, trioctahedral and...Layer-structure Layertype Sub-group Tri. : Trioctahedral Di. : Dioctahedral Group (Charge per formula unit) |  | | Corporate Document (Series) | | Geology and major deposits, Heazlewood mineral district ... Main mineral locations and 1:100 000 scale...72 variety or invalid names, and 36 series and group names. All entries in the 1969 catalogue have been...Cambrian to Early Devonian sedimentary rocks; Mathinna Group Early Cambrian al/octhons: Ullramafic-mafic complexes...zeolitised). Form ofJurassic dolerite intrusion (lower part ofcliff) in Devoniangranite basement overlainby...mine at Beaconsfield and mines in the Mathinna district being the major producers. The former Tasmania |  | Gaines, Richard V., Skinner, H. Catherine W., Foord, Eugene E., Mason, Brian, Rosenzweig, Abraham, King, Vandall T. (1997) Dana's New Mineralogy (8th ed.) Wiley-Interscience. p.1872 | Book (edition) | | Institut fur Mineralogie der Universitat Wien, Austria. Michael Zolensky: Lyndon Johnson Space Center...Species containing more than one anion or anion group may be assigned to a separate class or may be assigned...specifies the atomic (cation to anion, or to anion group) ratio for the mineral. This and the remaining numbers...appropriate Dana number. When recognized, membership in a group is noted. Occasionally, the phrase “an inadequately...internally contradictory. 5A. Groups The term group refers to an aggregate or multiple (usually three |  | Kříbek, Bohdan, Žák, Karel, Dobeš, Petr, Leichmann, Jaromír, Pudilová, Marta, René, Miloš, Scharm, Bohdan, Scharmová, Marta, Hájek, Antonín, Holeczy, Daniel, Hein, Ulrich F., Lehmann, Bernd (2009) The Rožná uranium deposit (Bohemian Massif, Czech Republic): shear zone-hosted, late Variscan and post-Variscan hydrothermal mineralization. Mineralium Deposita, 44 (1) 99-128 doi:10.1007/s00126-008-0188-0 | Journal (article/letter/editorial) | | Bohemian Massif the most important uranium ore district in Europe. This paper deals with the Rožná deposit...deposit (a part of the Rožná-Olší uranium ore district, total mine production of 23,000 t U) located 45...the Bohemian Massif The Rožná-Olší uranium ore district lies in the northeastern part of the Moldanubian...Licoměřice deposit, 350 t U; 26 Příbram, 51,000 t U; 27 Lower Silesia, 500 t U, Kowary, Kletno, and Radoniów deposits...Monotonous and Varied Units into the so-called Drosendorf Unit, based on their relatively low degree of |  | Rockwell, Barnaby W., Knepper, Daniel H., Horton, John D. (2015) Landsat maps (phase V, deliverable 60), ASTER maps (phase V, deliverable 62), ASTER_DEM maps (phase V, deliverable 63), and spectral remote sensing in support of PRISM-II mineral resource assessment project, Islamic Republic of Mauritania (phase V, deliverables 61 and 64): Chapter E in Second projet de renforcement institutionnel du secteur minier de la République Islamique de Mauritanie (PRISM-II). Open-File Report Vol. 2015 (2013-1280) US Geological Survey doi:10.3133/ofr20131280e | Report (issue) | | Validation of ASTER-Derived Products for Mineral Group Interpretation Using Spectroscopic Mineral Mapping...Formation, Oumachoueima Group. C = Terjit Aguinjob and Amogjar Formations of the Nouatil Group. D = Irarchene...deposits of eolian sand (for example, dunes at lower and upper right) are characterized by a green color...color indicating the presence of sericite or smectite, and altered rocks with more abundant Al-OH pyllosilicates...appear in brighter shades of green (sericite, smectite) and yellow (kaolinite) ..................... | | | Report (issue) | | Validation of ASTER-Derived Products for Mineral Group Interpretation Using Spectroscopic Mineral Mapping...Formation, Oumachoueima Group. C = Terjit Aguinjob and Amogjar Formations of the Nouatil Group. D = Irarchene...deposits of eolian sand (for example, dunes at lower and upper right) are characterized by a green color...color indicating the presence of sericite or smectite, and altered rocks with more abundant Al-OH pyllosilicates...appear in brighter shades of green (sericite, smectite) and yellow (kaolinite) ..................... |  | | Journal (article/letter/editorial) | | Geosciences, Geochemistry and Economic Geology Group, Adenauerring 20b, D-76131 Karlsruhe, Germany Abstract:...www. hgeodill.de 2 deposits, talc, kaolinite-group minerals, iron, and uranium. Accumulations of fluorite...Sb-Au veins in the Brandholz-Goldkronach Mining District prevalently are oriented N-S, NNE-SSW, NE-SW and...representative of the marginal facies have minerals lower in S contents (arsenopyrite: 46 wt. % As, 16.7 wt...by Sinatengrün, Göpfersgrün and Thiersheim are lower in As but abundant in S (Cu-Hg-Ag-Sb fahlore: 4 |
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