 | | Journal (article/letter/editorial) |
| University of Tokyo, Hongo, Tokyo, Japan At&a&--The W/S” ratios in various sulphur compounds of igneous origin...diacriminatod from their isotopic compoeit,ion of sulphur. The former fSJ’/Ssa: 0*04406-0.04521) consists...Possible formation temparaturee of sulphates and sulphur dioxide of magmatic and exhalative origin were...estimated; they are 75’C to 140°C for sulphates in hot springs, lPOY! and 900°C for suiphur dioxide in volcauic...for sulphates in the epithermal ore deposits of Japan. Xt wan also shown that the preeent isotopic composition |
 | | Journal (article/letter/editorial) |
| smon PreenLtd., London Isotopic geochemistry of sulphur* W. U. AULTt and J. L. KULP Lamont Geological Observatory...September 1958) AWwt-The isotopic composition of sulphur has been determined for a large number of specimens...phases in which sulphur is present. The most significant procew that caueea sulphur isotopic fractionation...the range end average W/W ratio of the various sulphur-bearing phases of the crust. The most important...sulphate 21.80. A material belance calculation of the sulphur isotopes in the crust, although subject to considerable |
 | | Journal (article/letter/editorial) |
| 72 kJ/mol. Measured concentrations of As in hot springs of the Taupo Volcanic Zone, New Zealand, are...equilibrium constants of this study. In sampled springs (pH 2-6) 97-1009~ of the dissolved As is present... and Sbz S3 have been reported from Steamboat Springs in Nevada (WHITE, 1967), the Taupo Volcanic Zone...SEWARD, 1987), and from the Beppu geothermal area in Japan ( KOGA, 196 1) . A knowledge of As speciation is...9o = -6.62 and log K0,,25= -6.99. Total reduced sulphur (mS,,,) is taken to be the sum of sulphide added |
 | | Journal (article/letter/editorial) |
| journal homepage: www.elsevier.com/locate/sedgeo Hot spring deposits on a cliff face: A case study from...Keywords: Aragonite Calcite Efflorescent minerals Hot-spring China a b s t r a c t A cliff face in the...succession of precipitates that formed from the hot spring water that once flowed down its surface. This...water with a temperature of 54 to 66 °C. The active hot spring at the top of the cliff presently ejects water...Introduction Calcium carbonate deposits that form around hot spring commonly involve intercalated calcite and |
 | | Book |
| making a profit. Initially incorporated in the District of Columbia, the Publishing Company was reincorporated...orogenic periods to the Miocene Kuroko deposits of Japan. These deposits are associated with abundant sulfate... . The main period of ore deposition within a district seems to represent a relatively short time span...ratios, were originally de¬ scribed from the Komati River section in the Bar¬ berton Mountain Land by M. J...belts range from passage of proto-Pangea over mantle hot spots to control by distribution of precursor evaporites |
 | | Book |
| EXPLORED GEOTHERMAL SYSTEMS 465 A. J. Ellis Hot water as a solvent Natural hydrothermal areas Summary...(1952) reports that porphyries in the Central City district which are associated with uranium mineralization...fed into streams or the ocean by fumaroles or hot springs, either subaerial or submarine (for example,...sea water by violent reaction of the water with hot lava (for example, Park, 1946, on the manganese deposits...dolomite near ore deposits in the Wisconsin lead-zinc district. This could conceivably be explained by movement |
 | | Report (issue) |
| porosity and permeability through fracturing of hot igneous rock (e.g., Burnham 1967), production of...Tertiary volcanicregion in northeastem Shikoku, Japan. Contrlb.Mineral.PetrologySO,49-64. SCARFE,C.M~TAKAHASHI...Kohei Kazahaya GeologicalSurveyof Japan,1-1-3Higashi,Tsukuba,305,Japan volatile concentrationin the residualmelt)1•...(fromLowenslan & Mahood 1991). Lener 'q' show quartz hot, whereas'i' denotes inclusion.(D) lbc sameMl afterbelling...inclusions from topaz-quartzrocks from the ew England district of cw South Wales in Australia. Many of the Ml |
