 | | Journal (article/letter/editorial) | | from Ordovician, Silurian, and Devonian strata in Michigan, Illinois, Kentucky, Pennsylvania, Virginia, and...determine the clay mineralogy. Mixed-layer illite--montmorillonite occurs in the majority of samples. Illite is...clay is believed to have been deposited as montmorillonite in a marine environment and subsequently altered...in the interlayer position. K-bentonites from Michigan and Illinois contain a constituent which has a...Tennessee, Missouri, Illinois, Wisconsin, Minnesota, Michigan and Ontario. Ross (1928) proposed the term metabentonite |  | | Journal (article/letter/editorial) | | CO 80225, USA d U.S. Geological Survey, 345 Middlefield Road, Menlo Park, CA 94025, USA Received 16...al., 2000, 2006). Mgcontaining smectites (montmorillonite, stevensite, saponite) and Mg-chlorites (clinochlore)...systems were collected from 4 hydrothermal fields: Escanaba Trough, Middle Valley, Guaymas Basin and Grimsey...Butterfield et al., 1994; Campbell et al., 1994). The Escanaba Trough (Southern Gorda Ridge) is a slow spreading...Segment āAā Red Seamount, 21Ā°N East Pacific Rise Escanaba Trough, Southern Gorda Ridge, SESCA area, Hill |  | Miyoshi, Youko, Ishibashi, Jun-ichiro, Faure, Kevin, Maeto, Kotaro, Matsukura, Seiya, Omura, Akiko, Shimada, Kazuhiko, Sato, Hiroshi, Sakamoto, Takeaki, Uehara, Seiichiro, Chiba, Hitoshi, Yamanaka, Toshiro (2013) Mg-rich clay mineral formation associated with marine shallow-water hydrothermal activity in an arc volcanic caldera setting. Chemical Geology, 355. 28-44 doi:10.1016/j.chemgeo.2013.05.033 | Journal (article/letter/editorial) | | J. Fein Keywords: Hydrothermal alteration Montmorillonite Saponite Kerolite Pore ļ¬uid chemistry Isotope...centimeters below the seaļ¬oor (cmbsf) and montmorillonite throughout the core below 55 cmbsf. Vertical...sediment layer. Formation temperatures of the montmorillonite were estimated to be 118ā163 Ā°C, based on oxygen...oxygen isotope thermometry. Formation of the montmorillonite is attributed to hydrothermal interaction between...between seawater-dominant pore ļ¬uid and the montmorillonite, which had been formed at a prior stage. The |  | | Journal (article/letter/editorial) | | Copyright Ā© 1999 Elsevier Science Ltd Printed in the USA. All rights reserved 0016-7037/99 $20.00 ā«¹ .00 Pergamon...talc, montmorillonite, and a mixed-layer mineral of dioctahedral chlorite and montmorillonite (Chl/Mont)...and 21,000 ppm for Pb. Detrital grains of montmorillonite in such sediments are coated with Fe-oxyhydroxides...quartz, feldspars, mica, Fe-Mg-chlorite, and Ca-montmorillonite all of detrital origin. High CaO (up to 36...sediments, far from the vent site. Detrital montmorillonite in these samples shows high atomic ratios of |  | | Journal (article/letter/editorial) | | Experimental sorption of Ni2ā«¹, Csā«¹ and Ln3ā«¹ onto a montmorillonite up to 150Ā°C . . . . . . . . . . . . . . . ...J. OLSON, D. A. CLAGUE, and J. S. MCCLAIN: The Escanaba Trough, Gorda Ridge hydrothermal system: Temporal |  | | Journal (article/letter/editorial) | | coals in the range 0.40-0.64% Rr from the Mahakam Delta, Indonesia, which were not influenced by migrated...hydrothermal petroleums from the Guaymas Basin and Escanaba Trough probably resulted from thermal alteration...hydrothermal petroleums of the Guaymas Basin and Escanaba Trough (0.2-0.7; Kvenvolden and Simoneit, 1990)...been observed with coal samples from a Mahakam Delta borehole drilled on the flank of the structure where...organic matter in ancient sediments from the Mahakam delta. Geochim. Cosmochim. Acta, 52:375-384. Gerling, |  | | Journal (article/letter/editorial) | | locality in the State is Russell Gulch in Gilpen County. A small but very fine crystal group from Russell...mind. We have only one small rock outcrop in my county (Orange) at Rock Springs near Apopka. "The beaches...Maineā Green tourmaline, beryl, muscovite, montmorillonite. "Mt. Newry, Newry, Maine ā Black tourmaline...Camp Parole, just south of Annapolis, Anne Arundel County, Maryland. "The casts are thickly consolidated...1951. MICHIGANāAn agate weighing 112 pounds was found during May, 1952, near Rapid River, Delta Co., Mich |  | Melekestseva, Irina Yu., Maslennikov, Valery V., Tretāyakov, Gennady A., Nimis, Paolo, Beltenev, Victor E., Rozhdestvenskaya, Irina I., Maslennikova, Svetlana P., Belogub, Elena V., Danyushevsky, Leonid, Large, Ross, Yuminov, Anatoly M., Sadykov, Sergey A. (2017) Gold- and Silver-Rich Massive Sulfides from the Semenov-2 Hydrothermal Field, 13Ā°31.13ā²N, Mid-Atlantic Ridge: A Case of Magmatic Contribution?. Economic Geology, 112 (4) 741-773 doi:10.2113/econgeo.112.4.741 | Journal (article/letter/editorial) | | II Deep1 Sulfides of Guaymas basin Sulfides of Escanaba trough Bent Hill Intraoceanic back-arc basins...Geochemistry, Russian Academy of Sciences, Moscow, and a Delta+ Advantage, Thermo Finningan mass spectrometer at...Moscow (the uncertainty is 0.1ā°) 2 Analyzed with Delta+ Advantage, Thermo Finningan mass spectrometer,...secondary silicates (Fe-Mg celadonite, Mg-Fe montmorillonite, albite, actinolite, Mg-Mn chlorite, Cr-Mg...induces precipitation of pyrrhotite (335Ā°C), montmorillonite (330Ā°C), sphalerite and pyrite (325Ā°C), amorphous |  | | Journal (article/letter/editorial) | | precipitation gradient in the Olympic Mountains, Washington, USA . . . . . . . 791 ROBERTO MORETTI and GIULIO OTTONELLO:...Am(III), Sn(IV), Th(IV), Np(V) and U(VI) on montmorillonite: Linear free energy relationships and estimates...(kerogen and carbon blacks), ferrihydrite, and montmorillonite: Implications for the trapping of noble gases...with acidic to neutral pH: Fisher Creek, Montana, USA . . . . . . . . . . . . . . 2505 M. D. SHAPLEY, E...cationic composition and hydration state of Ca-montmorillonite: Analytical chemistry, chemical modelling and |  | | Journal (article/letter/editorial) | | seawater on marine clay sediments (Mississippi delta sediments) have been experimentally investigated...minerals Marine evaporite minerals + Louann Salt, LA, USA (Jurassic) Lake Inder, Kazakhstan (Permian) Hannover...Searles Lake, CA, USA (Late Quaternary) Boron, CA, USA (Middle Miocene) San Bernadino, CA, USA (Middle Miocene)...Miocene) Death Valley, CA, USA (Late Miocene) Argentina (Tertiary) Salar de Cauchari, Los Andes, Argentina... USGS W-1 (USA) Gabbro, altered (Insizwa, South Africa)** Granites Permian, USGS G-1 (USA) Precambrian |  | Miyoshi, Youko, Ishibashi, Jun-ichiro, Shimada, Kazuhiko, Inoue, Hiroyasu, Uehara, Seiichiro, Tsukimura, Katsuhiro (2015) Clay Minerals in an Active Hydrothermal Field at Iheya-North-Knoll, Okinawa Trough. Resource Geology, 65 (4) 346-360 doi:10.1111/rge.12078 | Journal (article/letter/editorial) | | indicates that the smectite is classiļ¬ed into the montmorilloniteābeidellite series. Fig. 7 shows the Fe(II)/(Fe(II)...Service, U. S. Dept. Commerce, Washington, D.C., USA, Pb-226, 722/7GA, 328 pp. Ā© 2015 The Society of...alteration associated with massive sulļ¬de formation in Escanaba Trough, Gorda Ridge: The importance of seawater...Geologic, Hydrothermal, and Biologic Studies at Escanaba Trough, Gorda Ridge, Offshore northern California...S. Government Publishing Ofļ¬ce, Washington D.C., USA, 2022, 257ā278. Appendix: Assemblages of clay minerals |  | | Book | | Mineralogy of Michigan by E. W. Heinrich updated and revised ā¢ by George W. Robinson M By E W~ Hellnr]ch...Museum Michigan Technological University Houghton, Michigan 49931 2004 Ā© MINERALOGY OF MICHIGAN 3 FOREWORD...FOREWORD Michigan has a long and varied geologic history that includes repeated episodes of volcanism...before the first Europeans set foot here. When Michigan became a state in 1837, one of the first actions...and we continue to learn more about them today. Michigan minerals helped to build the state and nation |  | | Report (issue) | | northern Wisconsin, and northern peninsula of Michigan ________________ :.. ________________________..._ 13 5. Map of part of Perch Lake quadrangle, Michigan, showing glacial features_________________________________...Outcr'op of Mowry shale on Thornton dome, Weston County, Wyo.; B, Hand specimen of Mowry shale collected...from Crook County, Wyo.; B, Thin section of Mowry shale from Thornton dome, Weston County, Wyo_ __ _...Corinth, Howard County, Ark.; B, Basal gravel of \Yoodbine formation, near Horatio, Sevier County, Ark_ _ _ |  | Lackschewitz, K. S., Singer, A., Botz, R., Garbe-Schonberg, D., Stoffers, P., Horz, K. (2000) Formation and Transformation of Clay Minerals in the Hydrothermal Deposits of Middle Valley, Juan de Fuca Ridge, ODP Leg 169. Economic Geology, 95 (2) 361-389 doi:10.2113/gsecongeo.95.2.361 | Journal (article/letter/editorial) | | observed at sediment-covered spreading centers in Escanaba trough on Gorda Ridge and in Guaymas basin on...sulfide deposits such as the Guayamas basin and Escanaba trough. Methods Samples analyzed in this study...samples indicate dioctahedral smectites, e.g, montmorillonite, as well. In hole 1035A, smectite is the dominant...sediment-covered ocean ridge segments such as the Escanaba trough on the southern Gorda Ridge and the Guaymas...products. Hydrothermal deposits sampled in the Escanaba trough are characterized by smectite and chlorite |  | | Report (issue) | | Co-Cu lodes in the Blackbird mining district, Lemhi County, Idaho (J. Thomas Nash and Gregory A. Hahn) Some...sediment-hosted hydrothermal mineral localities in Escanaba Trough, Gorda Ridge (Janet L. Morton, William...lithium enrichment in the Popotosa Formation, Socorro County, New Mexico 4. Hearn, P. P., Jr., Sutter, J. F...and distribution of hydrothermal activity within Escanaba Trough, southern Gorda Ridge 31. Koski, R. A....hydrothermal sulfide and petroleum deposits from Escanaba Trough, Gorda Ridge D. Studies Involving Microorganisms |  | Melekestseva, Irina, Kotlyarov, Vasiliy, Tretāyakov, Gennadiy, Shilovskikh, Vladimir, Khvorov, Pavel, Belogub, Elena, Beltenev, Victor, Filippova, Kseniya, Sadykov, Sergey (2022) The Heavy-Metal Fingerprint of the Irinovskoe Hydrothermal Sulfide Field, 13Ā°20ā² N, Mid-Atlantic Ridge. Minerals, 12 (12) 1626 doi:10.3390/min12121626 | Journal (article/letter/editorial) | | multielement calibrated solutions (INORGANIC VENTURES, USA, and GSO, Russian Federation) for the entire set...ā°; Canyon Diablo Troilite) was determined on a Delta+ Advantage, Thermo Finnigan mass spectrometer equipped...and hematite and the stability of magnetite, montmorillonite, actinolite, sodic plagioclase, smectites,...15 (R/SW = 0.07). All calculations contain montmorillonite. The behavior of the basalt-related system...from the massive sulfides of the sediment-covered Escanaba Trough, Pacific Ocean [117]. The minerals of the |  | | Journal (article/letter/editorial) | | northern Juan de Fuca Ridge (Davis et al. 1987), Escanaba Trough, Gorda Ridge (Morton et al. 1987), and...the calcite saturation surface and the Mg-montmorillonite and chlorite reaction curve. The acidity of...alteration is speculative but may have included montmorillonite-group minerals FIG. 9. Calculated solubilities...and pH. A Univariant reaction curve for Mg montmorillonite (MONT) and chlorite (CHL) is shown in heavy...sulfide formation at a sedimented spreading center, Escanaba Trough, Gorda Ridge, northeast Pacific Ocean. |  | | Journal (article/letter/editorial) | | consists of a series of five coarsening upward fanādelta cycles, ranging between 10 and 140 m in thickness...claystone marks the change from prograding fanādelta sedimentation to transgressive marine sedimentation...are hosted within the basal claystone of each fanādelta cycle of the BolĆ©o clastic sequence, and primarily...Gangue phases present in all facies include montmorillonite, gypsum, barite, CaāMgāFe carbonates, chalcedony...Other matrix constituents include smectite (montmorillonite), carbonate, gypsum and barite; i) photomicrograph |  | | Journal (article/letter/editorial) | | Unleached wt. % b2 Ī¼m fraction Mineralogy Illite/Montmorillonite Smectite Kaolinite Leached wt. % b2 Ī¼m fraction...fraction Mineralogy Illite/Montmorillonite Smectite Kaolinite 15-146-43R-4, 90ā93 11 7 10 90 0 57 37...peaks corresponding to smectite and illite/montmorillonite are present for the unleached clay fraction...present in addition to smectite and illite/montmorillonite in the unleached clay fraction. Both kaolinite...Iāillite, Māmontmorillonite, Kākaolinite. Note that all phases except illite/montmorillonite are removed |  | | Journal (article/letter/editorial) | | Fruta Del Norte China Gaosongshan Mexico La India USA Cripple Creek China Bilihe Jinchang Serbia Bor Argentina...and the argillic assemĀ blage (kaolinite + montmorillonite + chlorite) indicate a moderately to a highly... 2014), Kidd Creek (Huston et al., 2011), and Escanaba Trough (ToĢrmaĢnen and Koski, 2005). The electrum...deposits of the Calistoga mining district, Napa County, California Active geothermal systems and gold-mercury...Society of Economic Geologists, Littleton, Colorado, USA. Gregory, D.D., Cracknell, M.J., Large, R.R., McGoldrick |  | | Report (issue) | | (CaBSiO4OH) vesicle filling from a basaltic Houghton County lava flow. Small specks of native copper occur...the surface and between the nodular masses. The Michigan Bicentennial symbol (back cover) incorporates...Survey Division BULLETIN 6 THE MINERALOGY OF MICHIGAN by E. Wm. Heinrich Professor of Mineralogy and...University of Michigan Ann Arhor, Michigan Lansing, Michigan 1976 STATE OF MICHIGAN WILLIAM G. Mrr...State of Michigan CL '48 s.321.6. Printed by Speaker-Hines and Thomas, Inc., Lansing, Michigan. Available |  | | Book | | oxygen, 4) there is much methane and ethane, 5) montmorillonite is present, 6) residual gases from the Earth's...and the presence of mineral catalysts like montmorillonite clays, iron oxide hydroxides, manganates, sulfides...clearly demonstrated the catalytic activity of montmorillonite clays on, for instance, oligomerization reactions...Inc .ā¢ 7944 Wisconsin Avenue. Bethesda. MD 20814. USA William Fyfe (1978) once remarked that the dominant...the Gorda and Juan de Fuca Ridges the sedimented Escanaba Trough and Middle Valley, respectively (SRDPG |  | | Journal (article/letter/editorial) | | Louisiana State Unit,ersity, Baton Rouge, LA 70803, USA b Department of Earth, Atmospheric and Planetary...Cambridge, MA 02139, USA c Woods Hole Oceanographic Institution, Woods Hole, MA 02543, USA Received June 6...basalt ( 6 t 8 0 = 5.7%o) and an iron-rich montmorillonite (8180 = 27%o) formed from reaction with seawater...sediment-covered spreading centers (Guaymas Basin and Escanaba Trough) have a wider range of isotopic ratios |  | | Journal (article/letter/editorial) | | et al. (1993, 1994) for EastāPaciļ¬c (Guaymas), Escanaba, Mid-Atlantic, and Marianas; Foustoukos et al...samples as they are mainly composed of smectite (montmorillonite) and zeolite (clinoptilolite), not found at...some hydrothermal ļ¬uids (e.g. East Paciļ¬c Rise, Escanaba, Fig. 1a) are best explained by the combination |  | | Book | | Department of Geology University of California, Davis, CA USA DAVID T. WRIGHT Department of Geology University...and Currents Paul D. Komar Chapter 2. The Nile Delta: Processes of Heavy Mineral Sorting and Depositional...Succession Deposited in an Oceanic Ridge Valley (Escanaba Trough, Juan de Fuca Plate) . . . . . . . . ....Scanning Electron Microscopy of Garnet from Southern Michigan Soils: Etching Rates and Inheritance of Pre-Glacial...Estuarine Environment, Willapa Bay, Washington, USA: Palaeogeographic Implications and Estuarine Evolution |
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