 | | Journal (article/letter/editorial) | | REACTIONS IN A TUFF IN THE LANEY MEMBER OF THE GREEN RIVER FORMATION, WYOMING NANCY G. RATTERMAN AND RONALD...Eocene Lake Gosiute (Laney Member of the Green River Formation). The ash bed can be traced for 30 km along...intermediate phase between these two zeolites, and mordenite. These early reactions involved the hydration...Words-Analcime , Clinoptilolite, Diagenesis , Green River Formation , Heulandite , Volcanic ash, Zeoliles. ...over short distances. General geology The Green River Formation is a seque'.1ce of lacustrine strata covering |  | | Journal (article/letter/editorial) | | Sciences, University of Chicago, Chicago, IL 60637, USA ‘Department of the Geophysical Sciences, Department...Institute, Unive~ity of Chicago, Chicago, IL 60637, USA (Received Febrzlary6, 1989; accepted in r~vi~~d~r~...analcime, chabazite, clinoptilolite, laumontite, mordenite, and natrolite. Zeolites were dehydrated by heating...rough correlation between 6”Of and the inferred formation temperature such that “igneous” analcimes have...clinoptilolites (31%), one natrolite ( 18.2%0), and one mordenite ( 17%) may indicate low-temperature origin for |  | | Journal (article/letter/editorial) | | in Tutfs of the Analcimeand K-Feldspar Green River Formation,WYoming JoNetueNI H. GooowIN, Department...Cily, Atuh 84112 Abslract Tuffs in the Green River Formation (Eocene) of Wyoming have been altered by...secondary minerals found in the formation are not found elseThe Green River Formation of southwesternWywhere exceptunder...lacustrine, limestone, siltstone and of the Green River Formation suggestthat the rocks shale, and minor ...disseminatedcrystals throughout almost The Green River Formation occursin three interone-half of the section |  | | Report (issue) | | uses. Keywords under geology are the following: formation name and age of the host rock, lithology (includes...and M. Aoki (1975). "Hydrothermal alteration of mordenite rocks in sodium carbonate solution with reference...and Chemicals Inc. (1984). "Treatment of sodium mordenite adsorbent for gas separation." Japan Pat: Kokai...27(3): Alexiev, B. and E. G. Djourova (1976). "Mordenite zeolitites from northeastern Rhodopes." Proceed...Na-montmorillonite and manganese oxides in a sedimentary formation near Zovencedo (Vicenza)." Mineralogie et Petroaraphica |  | | Journal (article/letter/editorial) | | 14420 Abstract X-ray diffraction of a massive, green tuff from late Miocene pyroclastic sediments in...Mexico, has indicatedthe presenceof abundant mordenite and clinoptilolite. This is the first identification...electron micrographs show the euhedral nature of mordenite needlesand clinoptilolite laths down to less than...examineda seriesof pyroclastic sedimentsin the Atoyac River Valley, about 15 km northwest of Oaxaca, southernMexico...rocks of Mexico. Descriptionand ComPosition The green tufi in question is about 10 m thick and outcrops |  | | Journal (article/letter/editorial) | | in depth .___ (2) Fresh tuff Clinoptilolite, mordenite and erionite -- about 1-3 krn in depth Analcime...temperature and pressure. Most of clinoptilolite, mordenite and erionite, forming at a relatively shallow...basaltic glass or palagonite, suggesting the formation of phillipsite by reaction between volcanic glass...silica in solution appears to be necessary to the formation of phillipsite (GOLDBERG and ARRHENIUS, 1958)...occasionally associated with phillipsite. The formation of phillipsite in pelagic sediments, therefore |  | | Report (issue) | | Minerals in Tuffaceous Rocks of the Big Sandy· Formation, Mohave County, Arizona By RICHARD A. SHEPPARD..._ Stratigraphy and lithology of the Big Sandy Formation _ _ _ _ Conglomerate, sandstone, and siltstone...12 13 15 Harmotome -------------------------Mordenite --------------------------Opal __ __ __ __ _ __...depositional environment for parts of the Big Sandy Formation __ _ Correlation between the water chemistry of...silicate 'mineralogy . . . _________ ---------------Formation of zeolites from silicic glass __________ _ Reaction |  | | Journal (article/letter/editorial) | | surrounding zeolitic tuffs. Alkali-c1inoptilolite, mordenite, smectite, K-rich gel-like glass, low-cristobalite...an assemblage of silicic Na-clinoptilolite + mordenite and the crystallization ofthe gel-like glass to...Words-Clinoptilolite, Diagenesis, Dissolution, Glass, Mordenite, Periite, Smectite, Zeolite. INTRODUCTION Zeolites...clinoptilolite, and heulandite) to more stable phases (mordenite, analcime, laumontite, and K-feldspar) have been...altered tuffaceous rocks. Incipient smectite formation prior to zeolitization is commonplace in most |  | | Journal (article/letter/editorial) | | original occurrencein Wyoning (describedby Pirssonas mordenite). 3. Residueof shard fragmentsfrom bentonite,...Paterson,New Jersey. originally described as mordenite, and reproduced in Dana's System of Mineralogy...be added in this connection that a sample of mordenite, which was supposed to be a part of the type specimen...following results: I Schaller, Waldemar T., The mordenite-ptilolite species: Am. Mineral., 17, L28, 1932...X-ray pattern shows that the mineral can not be mordenite." A sample from Pedro, Wyoming, from the thick |  | | Report (issue) | | Diagenesis of Tuffs in the Barstow Formation, Mud Hills, San Bernardino County, California GEOLOGICAL...PAPER 634 Diagenesis of Tuffs in the Barstow Formation, Mud Hills, San Bernardino County, California...______-____ Stratigraphy and lithology of the Barstow Formation __ Conglomerate, sandstone, and siltstone-___________...Erionite.__-__-__-___-___-_-_____-_-___________ Mordenite--_-_-_-_________---_-__--.-_-___-____ Opal. ...depositional environment for parts of the Barstow Formation _ _ _ Correlation between salinity of depositional |  | | Journal (article/letter/editorial) | | Vol. 45, No.5, 632-648, 1997. THE GENESIS OF A MORDENITE DEPOSIT BY HYDROTHERMAL ALTERATION OF PYROCLASTICS...the northwestern exposures of the pyroclastics formation of Polyegos Island, South Aegean Sea Volcanic...replaced by authigenic zeolite and clay minerals. Mordenite dominates, and clinoptilolite (heulandite type...In the southwestern part of the pyroclastics formation (Myrsini pyroclastics unit), kaolinite, halloysite...area were heulandite minerals, following the formation of smectite, as a result of the activity of pore |  | | Journal (article/letter/editorial) | | surrounding district by the of the clinoptilolite-mordenite tuffs 180•Ž. natural from was and from...treatment. products been to Sendai product, green Kuroko have subjected were comparison On solution... solutions the Geology, kg/cm2. with the green the highly The 20 was that in Economic tuff...tuff and intensified found than considered green 200•Ž gradually was analcime dissolved and... analcime zone around Kuroko experiments, green tuff to alter was aims formed deposits which |  | | Journal (article/letter/editorial) | | by evaporitesandformdisclinoptilolite,analcite,mordenite,andphilipsite,and silicatesare accompanied silicapolymorphs...albite), which have a Sm36h2 yellow-brown,green,bluish-green,andwhite color. Sm36rs Somelayerscontainchlorite...analcite,an- Sm93 Sm96 orthoclaseor high sanidine,mordenite,smectite,and Sm96c illitc. Minor amountsof erionite...highsanidine, ill -- illRe,Kf = Kfeldspar, md = mordenite, oCT= opal(disordered cristobalitetridymite),qtz...anddull with the metamorphic basement,youngerMiocene green. Calcite, opal, chalcedony,chlorite, illite, lava |  | | Report (volume) | | Gonnardite, Edingtonite Group 6 (T8016 Units) . Mordenite . Dachiardite, Ferrierite v Edith M. Flanigen...Sandy Formation Ronald C. Surdam 65 66 66 67 68 69 70 73 74 74 77 77 Miocene Barstow Formation and Eocene...Eocene Green River formation vi 79 Page Chapter 4 (continued) INTERPRETATION OF MINERAL PATTERNS...PATTERNS Formation of Alkalic, Silicic Zeolites from Silicic Glass Reaction of Alkalic, Silicic Zeolites to Analcime...INTRODUCTION ZEOLITE FORMATION IN SILICIC TEPHRA DEPOSITS . . ZEOLITE FORMATION IN LOW-SILICA TEPHRA |  | | Journal (article/letter/editorial) | | 770-780 Experiments ontheHydrothermalAlterationof Mordenite Rocksin SodiumCarbonateSolution,with Referenceto...this paper, an attempt is made to estimate the formation environment of the analcime alteration zone in...ore)-type mineral deposits. Natural mordenitetuff and mordenite-opaltuff of Miocene age were subjectedto alteration...secondarilyalteredto albite. Albite formed more readily in the mordenite-opaltuff (high-silica tuff) than in the mordenitetuff...mordenitetuff. On the other hand, mordeniteand mordenite-opaltuffs showedno remarkablechanges when treated |  | | Journal (article/letter/editorial) | | minerals: K-rich and (K,Ca)-rich clinoptilolite, mordenite, opal-CT, and clay minerals, Halite is also present...that formed. Mordenite postdates the heulanditegroup zeolites and opal-CT. Some mordenite has replaced...flow during and after their emplacement. The formation of authigenic silicates may have led to the sealing...systems. Key Words-Clinoptilolite, Diagenesis, Mordenite, Pyroclastic, Tuff, Zeolite. U~AWODC ua~~ ,wv...H D~LO,~(OU INTRODUCTION Clinoptilolite and mordenite are common authigenic minerals in sedimentary |  | | Book | | 6-Rings .............. The Frameworks of the Mordenite Group. . . . . The Frameworks of the Heulandite...2 5.3 5.4 5.5 Zeolites of the Mordenite Group ............ Mordenite. . . . . . . . . . . . . . . ....Epistilbite: Rose (1826) Faujasite: Damour (1842) Mordenite: How (1864) Offretite: Gonnard (1890) Gonnardite:... 4. Zeolites with 6-rings 5. Zeolites of the mordenite group 6. Zeolites of the heulandite group Different...Bennett (1981). 0.2.5 The Frameworks of the Mordenite Group To build these frameworks, one must start |  | | Journal (article/letter/editorial) | | glass to zeolites (clinoptilolite, heulandite, mordenite, analcime), clay minerals (smectite, illite, celadonite...also altered to zeolites (clinoptilolite and/or mordenite). The zeolitization process has occurred rapidly...composition of the parent material controlling the formation of zeolites. K EY WORDS : Tertiary volcaniclastics...crystallization, zeolite, clinoptilolite, heulandite, mordenite, stilbite, laumontite, analcime. Introduction...Si polymorphs, K-feldspars and zeolites. The formation of zeolites in pyroclastic flow deposits under |  | | Journal (article/letter/editorial) | | 2010 Natural Zeolites and their applications Mordenite-bearing tuffs from Prassa quarry, Kimolos island...Particular emphasis was given to a MOR-type (mordenite) zeolite-rich material, tuff, which also contains...wt%) compared to surrounding volcanic rocks. Mordenite crystals are alkali- (Na- and moreover K-) rich...diagrams (Zr/TiO2–Nb/Y), the protoliths of the mordenite-bearing tuffs could be trachyandesites, whereas...industrial and daily uses. Key-words: zeolite, mordenite, tuff, physical properties, geochemistry, pyroclastic |  | | Journal (article/letter/editorial) | | tuff. Besides analcime, scarce heulandite and mordenite-type zeolite, smectite, palygorskite, scarce sepiolite...of analcime in the middle level of the Akpınar Formation, but emphasized that the pyroclastic rocks are...solution. However, the mineralogical properties and formation mechanisms were not discussed and compared to...1977). The Hırka formation is composed of altered tuffaceous material intercalated with green ~50 cm thick...nodules (3–10 cm in size), and the Karadoruk Formation is generally represented by a ~1– 2 m thick silicified |  | Sand, L. B., Mumpton, F. A. - Eds. (1978) Natural Zeolites - Occurrence, Properties, Use - A selection of papers presented at Zeolite, 76, an International Conference on the Occurrence, Properties, and Utilization of Natural Zeolites, Tucson, Arizona, June 1976. Pergamon Press, Oxford. | Book | | of Cations and Molecules in Zeolites with the Mordenite-type Framework. IV. Dehydrated and' Rehydrated...Constituent Sheets in the Zeolite Frameworks of the Mordenite Group W. M. Meier Dachiardite-bearing Zeolite...Phillipsites: Trace Geochemistry and Modes of Formation M. Bernat and T. M. Church Authigenic Laumontite...on the Assemblage Phillipsite-Clinoptilolite-Mordenite D. B. Hawkins, R. A. Sheppard, and A. J. Gude...cavities of almost every basalt and trap rock formation. Here they form beautiful crystals that are greatly |  | | Journal (article/letter/editorial) | | mechanism of analcime formation from precursor Na-clinoptilolite (Cpt-Na) and Na-mordenite (Mor-Na) were investigated...supersaturation. Analcime formation proceeds via a clinoptilolite (or mordenite) dissolution→analcime nucleation→analcime...were thermodynamically favorable for analcime formation at 125 °C, nucleation was not detected after 144...highly variable formation conditions; however, the principal controls on zeolite formation have been deduced...zeolite formation. Field studies have indicated several factors that could govern the formation of specific |  | | Journal (article/letter/editorial) | | tends to increase for lower temperrtturss of formation in accordance with theoretical expectations based...common species in the Wsirakei thermal area are mordenite and wairakite, both of which are readily synthesized...days. The field of high-silica phases such as mordenite is extended WLXA the silica activity is higher...the following: analcime-wairakite series, Na-Ca mordenite series, epistilbite, prehnite and an unidentified...metastable phases may have a considerable chance of formation and survival. In the task of reconstructing __ |  | | Journal (article/letter/editorial) | | from (a) the extensive literature on zeolite formation from volcanic glass precursors and alkaline fluids...directly with the saline lake deposits of the western USA, listing silica-undersaturated glass compositions...nephelinite) as precursors in the Eocene Green River Formation. Ironically, he later discussed magma compositions...reactive precursor glass compositions for zeolite formation in bedded deposits and also on the hydrological...contributes a unifying landscape for natural zeolite formation and evolution, consistent with current understandings |  | | Report (issue) | | in Stratigraphie Reference Sections for the Green River and Washakie Basins, Southwest Wyoiming U.S....in Stratigraphic Reference Sections for the Green River and Washakie Basins, Southwest Wyoming By HENRY...EOCENE WASATCH, GREEN RIVER, AND BRIDGER (WASHAKIE) FORMATIONS, GREATER GREEN RIVER BASIN, WYOMING, UTAH...in stratigraphic reference sections for the Green River and Washakie basins, Southwest Wyoming : includes...the Eocene Wasatch, Green River and Bridger (Washakie) formations, greater Green River Basin, Wyoming, Utah |
|
