 | Rodgers, K. A., Greatrex, R., Hyland, M., Simmons, S. F., Browne, P. R. L. (2002) A modern, evaporitic occurrence of teruggite, Ca4MgB12As2O28.18H2O, and nobleite, CaB6O10.4H2O, from the El Tatio geothermal field, Antofagasta Province, Chile. Mineralogical Magazine, 66 (2) 253-259 doi:10.1180/0026461026620026 | Journal (article/letter/editorial) | | CaB6O10.4H2O, from the El Tatio geothermal field, Antofagasta Province, Chile K. A. RODGERS1,{, R. GREATREX1...Auckland, Private Bag 92019 Auckland, New Zealand 3 Geothermal Institute, University of Auckland, Private Bag...occurring in the high-temperature El Tatio geothermal field of Chile. Other minerals present include halite...nobleite, ulexite and opal-A, with possible traces of illite-smectite and at least one unidentified phase. With...none of the minerals associated with teruggite at El Tatio has been reported from other occurrences of this |  | | Journal (article/letter/editorial) | | groundwater through the active Andean arc of Northern Chile L.V. Godfrey, C. Herrera, C. Gamboa, R. Mathur...groundwater through the active Andean arc of Northern Chile, Chemical Geology, https://doi.org/10.1016/j.chemgeo...groundwater through the active Andean arc of Northern Chile. IP T L.V. Godfrey1*, C. Herrera2, C. Gamboa2...Geológicas, Universidad Católica del Norte, Antofagasta, Chile 3 Department of Geology, Juniata College...arc and Preandean basins in the Antofagasta Region of northern Chile has been investigated using Li, |  | | Journal (article/letter/editorial) | | de Concepcion, Casilla 160-C, Concepcion 78349, Chile; fernandaalvarez@udec.cl Millennium Nucleus for...along Subduction, FCFM, Universidad de Chile, Santiago 758-0150, Chile Correspondence: lvgodfre@eps.rutgers...its northern neighboring basin through which the Loa river flows. Concentration and isotope data for water...mineral cements, unlike the situation in the adjacent Loa basin. Water that flows through an aquifer laterally...overall higher than were measured in the adjacent Loa basin, indicating that here the water–rock reactions |  | | Journal (article/letter/editorial) | | the formation of abumlant adularia in addition to illite. The ?QRb mtickof the rock dectx%w~during alteration...extractsj from a drillcure taken in the El-Tatio geothermal field in Chile. On the margins of geothermalfhtids...= K-mica f 2K’ + 6Si02 of the rocks with the geothermal fluid in a gradient of temperature, pressure...quartz only slightly contaminated with adularia or illite as seen by the potassium content (see Table 6)...Several mineral separations were performed. 1. Illite and chlorite were xpvated from feldspar and quartz |  | | Journal (article/letter/editorial) | | alkalinity measurements, made immediately in the field. For the Paris basin in France, Michard and Bastide...depth; they were computed on the basis of precise field and laboratory measurements on gas and degassed...high and low PC0 respectively. In the case of geothermal fields with magmatic rocks, the PC0 varies from...Name Rock type T Bulgaria Canada, Alberta Chile, El Tatio France, Paris basin Iceland, five systems Italy...calcite carbon dioxide chlorite disordered dolomite illite kaolinite K-feldspar laumontite muscovite phlogopite |  | | Journal (article/letter/editorial) | | SIGURDSSON:Aquifer chemistry of four high-temperature geothermal systems in Iceland . . . . . . . . . . . . ....composition of waters from the El Tatio geothermal field, Northern Chile DANIEL H. STUERMER. K. E. PETERS...anhydrite, basalt alteration 1103 anhydrite, geothermal waters 523 anhydrite, hydration 1141 animals...aqueous solutions, ionic diffusion 251 aquifer, geothermal systems 523 aquifers, pre-Alps 1283 Ar ages 1619...263 beta-track autoradiography 685 bicarbonate, geothermal waters 979 biodegraded lubricating oil 199 biogenic |  | | Journal (article/letter/editorial) | | Alteration and Fluid Geochemistry of the Tongonan Geothermal Field, Philippines Graeme L. SCOTT Abstract: The...fluids during the history of the Tongonan Geothermal Field. Thermal activity in the Tongonan area began...gas was released to a geothermal fluid and condensed in groundwater with geothermal steam. The condensate...neutral-pH assemblage. Some chlorite, epidote and illite in the reservoir rock formed at temperatures up...hydrothermal eruptions. The output of gas to the geothermal fluid decreased, while the salinity (10,000 mg/kg |  | Román, Nelson, Reich, Martin, Leisen, Mathieu, Morata, Diego, Barra, Fernando, Deditius, Artur P. (2019) Geochemical and micro-textural fingerprints of boiling in pyrite. Geochimica et Cosmochimica Acta, 246. 60-85 doi:10.1016/j.gca.2018.11.034 | Journal (article/letter/editorial) | | and Andean Geothermal Center of Excellence (CEGA), FCFM, Plaza Ercilla 803, Santiago, Chile b Millennium...Tracing Along Subduction, Universidad de Chile, FCFM, Santiago, Chile c School of Engineering and Information...active Cerro Pabellón Geothermal System (CPGS) in the Altiplano of the northern Chile. We integrate electron...Pyrite; Trace elements; Boiling; Cerro Pabellón; Geothermal system; Epithermal deposit ⇑ Corresponding author...and Andean Geothermal Center of Excellence (CEGA), FCFM, Plaza Ercilla 803, Santiago, Chile. E-mail address: |  | | Journal (article/letter/editorial) | | Manuscript Extreme alteration in an acid-sulphate geothermal field: Sulphur Springs, Saint Lucia Timothy J....Joseph , Extreme alteration in an acid-sulphate geothermal field: Sulphur Springs, Saint Lucia. Chemge (2018)...MANUSCRIPT Extreme alteration in an acid-sulphate geothermal field: Sulphur Springs, Saint Lucia 1 2 IP T...MANUSCRIPT Abstract Sulphur Springs is a vigorous geothermal field associated with the Soufrière Volcanic Centre...13-30 Ka ago (Lindsay et al. 2013). Within the geothermal field, the dacites have been moderately to highly |  | Ceriotti, G., Porta, G.M., Geloni, C., Dalla Rosa, M., Guadagnini, A. (2017) Quantification of CO2 generation in sedimentary basins through carbonate/clays reactions with uncertain thermodynamic parameters. Geochimica et Cosmochimica Acta, 213. 198-215 doi:10.1016/j.gca.2017.06.015 | Journal (article/letter/editorial) | | et al., 2009). These works document a series of field data about CO2 partial pressure and/or pore-water...and/or alumino-silicates in high-temperature geothermal or sedimentary systems acts as a buffer system...CO2, clay minerals (e.g., chlorite, phoglopite, illite; Bergaya and Lagaly, 2013) and other species (e...the interpretation of observations from a real field site. 3.2 Parametric uncertainties An admissible...Consistency of geochemical modeling results with field data Here, we compare the results stemming from |  | Beaty, D. W., Grady, M. M., McSween, H. Y., Sefton-Nash, E., Carrier, B. L., Altieri, F., Amelin, Y., Ammannito, E., Anand, M., Benning, L. G., Bishop, J. L., Borg, L. E., Boucher, D., Brucato, J. R., Busemann, H., Campbell, K. A., Czaja, A. D., Debaille, V., Des Marais, D. J., Dixon, M., Ehlmann, B. L., Farmer, J. D., Fernandez-Remolar, D. C., Filiberto, J., Fogarty, J., Glavin, D. P., Goreva, Y. S., Hallis, L. J., Harrington, A. D., Hausrath, E. M., Herd, C. D. K., Horgan, B., Humayun, M., Kleine, T., Kleinhenz, J., Mackelprang, R., Mangold, N., Mayhew, L. E., McCoy, J. T., McCubbin, F. M., McLennan, S. M., Moser, D. E., Moynier, F., Mustard, J. F., Niles, P. B., Ori, G. G., Raulin, F., Rettberg, P., Rucker, M. A., Schmitz, N., Schwenzer, S. P., Sephton, M. A., Shaheen, R., Sharp, Z. D., Shuster, D. L., Siljeström, S., Smith, C. L., Spry, J. A., Steele, A., Swindle, T. D., ten Kate, I. L., Tosca, N. J., Usui, T., Van Kranendonk, M. J., Wadhwa, M., Weiss, B. P., Werner, S. C., Westall, F., Wheeler, R. M., Zipfel, J., Zorzano, M. P. (2019) The potential science and engineering value of samples delivered to Earth by Mars sample return. Meteoritics & Planetary Science, 54. doi:10.1111/maps.13242 | Journal (article/letter/editorial) | | established at S8 3. 4. 5. 6. D.W. Beaty et al. field area- to outcrop- to hand sample- to hand lens scale...Coupled to all of this was the rapid growth of the field of astrobiology, catalyzed by McKay et al.’s (1996)...context through orbital imaging. (2) Establish local field context through the operation of instrumented rovers...signatures of minerals. It is the integration of field (planetary, regional, local) data with sample data...orbiters. (B) Local context will be established at field area- to outcropto hand sample- to hand lens scale |  | Kogel, Jessica Elzea, Trivedi, Nikhil C., Barker, James M., Krukowski, Stanley T. - Eds. (2006) Industrial Minerals and Rocks (7th ed.) Society for Mining, Metallurgy, and Exploration, Inc., Littleton, CO. | Book (edition) | | admiration for his countless contributions to the field of industrial minerals, we dedicate this 7th edition...the professional development of geologists in the field of nonmetalliferous geology. Robert Dreyer received...Harvey GNS Science Taupo, New Zealand Hassan E. El-Shall Kip Jeffrey Department of Materials Science...Wyoming Ayman El-Midany George C. Hawley and Associates Brossard, Quebec, Canada Hassan E. El-Shall National...Zaman CTH Ltd. Consultants Santiago-La Reina, Chile R. David Thomas Jr. Department of Materials Science |  | | Report (issue) | | Thaden ----------------------------------------Geothermal resources, by L. J. P. Muffler -------------...yet been discovered. A simple analogy from the field of personal finance, suggested by our colleague...favorable terranes have all been identified. The entire field in the diagram of figure 1 represents our total...impermeable strata and coal. In the Rocky Mountain province, for instance, Haun, Barlow, and Hallinger (1970)...or the volume of broadly favorable rocks. In the field of metalliferous deposits, Nolan (1950) pioneered |
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