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| to 226, 221 1975 disequilibrium nuclides in hot spring TAKASHI OKUBO* and Radiochemical Laboratory...Chemistry, Kanazawa 920, Faculty of Science, Japan (Received April 14, 1975; in revised form August...isotopes (232Th,230Thand 228Th)in a calcium carbonate sinter cone and hokutoliteswere determined. These nuclides...232Th,228Raand 228Th (thorium series nuclides) in a sinter cone were 2.4 X10-2, 4.3 X 10-1and 7.1 X10-1dpm/g...processes of hot spring deposits, it is important to study radionuclides contained in them. At Tamagawa, Akita |
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| London Isotopic composition of the common lead of Japan HITOSHI SAKAI and KAZUO SATE Department of Chemistry...Science, The University of Tokyo, Hongo, Tokyo, Japan (Received 1 August 1957) Abstract-Lead tetramethyl...14 galenas, 2 anglesites and 6 pyromorphites of Japan. The mass spectrometric analysici.was carried out...its Isotopic composition of the common lead of Japan During the analysis of samples, mercury vapour...and KAZUO SATO composition of common lead in Japan (zoaPb I Locality NO. Type / 1.000) I / |
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| Speciation calculations for a number of acidic hot springs indicate that many have As and HzSo concentrations...most likely mechanisms of As&( am) precipitation in hot spring systems. ciation in both sulfide-deficient...As&(am)] has also been observed to precipitate in hot springs associated with active geothermal systems in...be an important process that concentrates gold in hot spring precipitates (BANCROF~ and JEAN, 1982; JEAN...observed in acidic hot spring waters emanating from geothermal systems in Kamchatka, USSR; Japan; and New Zealand |
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| 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...Gold-bearing sinter precipitates of silica, As2S3, and Sbz S3 have been reported from Steamboat Springs in Nevada...SEWARD, 1987), and from the Beppu geothermal area in Japan ( KOGA, 196 1) . A knowledge of As speciation is...sulphides are an afmost ubiquitous component of sinter precipitates. As* S3 and realgar ( ASS) occur as |
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| 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 |
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| 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 |
