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全文: "松川温泉"
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  • 清野 政明
    火山.第2集
    1960年 5 巻 1 号 49-
    発行日: 1960/09/30
    公開日: 2018/01/15
    ジャーナル フリー
  • 水上 武, 平賀 士郎, 後藤 健一
    火山.第2集
    1960年 5 巻 1 号 49-
    発行日: 1960/09/30
    公開日: 2018/01/15
    ジャーナル フリー
  • 中村 久由, 角 清愛
    火山.第2集
    1960年 5 巻 1 号 49-
    発行日: 1960/09/30
    公開日: 2018/01/15
    ジャーナル フリー
  • 住田 達哉, 牧野 雅彦, 渡邉 史郎, 伊藤 順一
    日本火山学会講演予稿集
    2008年 2008 巻 P06
    発行日: 2008/10/10
    公開日: 2017/02/10
    会議録・要旨集 フリー
  • 渡辺 弘之
    Edaphologia
    2004年 75 巻 37-
    発行日: 2004/08/31
    公開日: 2017/07/20
    ジャーナル フリー
  • 岡 俊平
    電気化学および工業物理化学
    1966年 34 巻 1 号 1
    発行日: 1966/01/05
    公開日: 2019/11/15
    ジャーナル オープンアクセス
  • 地熱地域における自然電位異常の1つのメカニズムとして
    石戸 経士
    日本地熱学会誌
    1981年 3 巻 2 号 87-100
    発行日: 1981/10/20
    公開日: 2010/02/05
    ジャーナル フリー
    Two-dimensional numerical calculations of streaming potential associated with hydrothermal circulation in permeable crust have been carried out. It is assumed that the streaming potential coefficient varies as temperature changes along the flow of water. Using the realistic values of the ζ-potential given by Ishido and Mizutani (1981), we showed that an observable self-potential anomaly can appear over a hot zone, where convective hot water is rising. The polarity is positive and the magnitude is 10 to 100 mV when the water flow rate is 10-8 to 10-7 m/s. Calculated selfpotential profiles are compared with recent observations at the Nigorikawa and the Hachimantai geothermal areas in Japan.
  • 中村 進
    燃料協会誌
    1960年 39 巻 11 号 780-787
    発行日: 1960/11/20
    公開日: 2010/06/28
    ジャーナル フリー
    地熱発電の沿革はいかなるものであるか, 地熱発電はいかなる原理によつて発電されるものであるか, また地熱を開発して発電を行うまでにはいかなる技術的な諸問題が存在するか, その地熱発電は, 火力, 水力どに比較してその経済的な得失があるかなど, 一般的な問題について述べてみる。
  • 石井 寛
    林業経済研究会会報
    1975年 1975 巻 88 号 41-43
    発行日: 1975年
    公開日: 2020/04/01
    ジャーナル フリー
  • 十和田八幡平国立公園八幡平地区を事例としたROS手法の適用
    柴崎 茂光, 佐藤 武志, 金 美沙子, 皆上 伸, 八巻 一成
    林業経済
    2013年 66 巻 9 号 1-17
    発行日: 2013/12/20
    公開日: 2017/05/09
    ジャーナル フリー
    十和田八幡平国立公園八幡平地区を対象としてROSを適用し、多様なレクリエーション機会の視点からレクリエーション管理の現状やそのあり方を分析した。その結果、八幡平・八幡沼周辺の特別保護地区を中心として、不連続的・重層的な不整合が発生していた。不連続的・重層的な不整合は、木道などの施設整備が行われている場所と整備されていない場所が繰り返し出現する区間や、施設整備後の管理が不十分な区間などで発生していた。またアスピーテラインなどの山岳道路の開発が、不整合を引き起こす遠因となっていた。八幡平地区が抱える問題点は、山岳道路が建設された他の自然公園にも共通しており、今回の手法を応用することが可能といえる。
  • -金沢清水と岩手山麓湧水群-
    板寺 一洋, 島野 安雄
    地下水学会誌
    1993年 35 巻 2 号 131-138_1
    発行日: 1993/06/30
    公開日: 2012/12/11
    ジャーナル フリー
  • トライボロジスト
    2020年 65 巻 2 号 117-121
    発行日: 2020/02/15
    公開日: 2020/02/15
    ジャーナル 認証あり
  • 中川 光弘
    岩石鉱物鉱床学会誌
    1987年 82 巻 4 号 132-150
    発行日: 1987/04/05
    公開日: 2008/08/07
    ジャーナル フリー
    Iwate volcanic group is situated at the southeastern portion of Hachimantai and surrounding volcanic clusters, northeastern Japan. It consists of several volcanic bodies extending in E-W direction, parallel to the maximum horizontal compressional axis of the tectonic stress in this region. The basement rocks of Iwate volcanic group are composed mainly of the Tertiary rocks and the early Quaternary rhyolitic welded tuff which is a member of the Tamagawa welded tuffs. The activity of Iwate volcanic group is summarized as follows.
    Matsukawa andesite : this andesite consists of altered lavas and pyroclastics and are exposed at the western portion of the volcanic group. Their K-Ar ages have been reported to be 1.62 and 1.36 Ma.
    Amihari volcanic group: it is divided into two substages, older and younger, according to preservation of their volcanic primary topography. Older stage: in early to middle Pleistocene, several volcanic bodies, composed of an alternation of lavas and pyroclastics, were built up at the nearly same time. They are arranged in E-W direction 12km in length. Younger stage: after the formation of the volcanic chain, two cinder cones and a lava dome were formed, and lava flows were effused from the western portion of the volcanic chain. It is possible that they were active during the growth of Iwate volcano.
    Iwate volcano: in middle or late Pleistocene, the activity of Iwate volcano started at the eastern portion of Amihari volcanic group. Its history consists of four substages, and involves collapse of the volcanic body. Older Iwate 1st stage: voluminous pyroclastics and subordinate amounts of lavas formed two stratovolcanoes, Kurokura and Older-Iwate volcanos, with a net height of about 2, 000m. Older Iwate 2nd stage: at about 0.15Ma, the southeastern portion of the Older-Iwate volcano collapsed to form Onimata caldera. After the collapse, lava flows and pyroclastics were erupted from the central and flank vents to fill the Onimata caldera. Older Iwate 3rd stage: west-Iwate caldera was formed at the top of Older-Iwate volcano. From the vent in the caldera, lavas and pumice were effused to built up a composite central cone, Onashiro cone. It seems that these activities started at about 0.05Ma and ceased before 0.03Ma. Younger Iwate stage: after more than 25, 000 years of pause, about 5, 000 years ago, East-Iwate caldera was formed at the eastern portion of Older-Iwate volcano. Pyroclastics and lava flows were eruped from the vents mainly within the caldera, resulting in the formation of the composite Younger-Iwate volcano, Yakushidake volcano (2, 040.5m). In 1719, Yakehashiri lava flow was extruded from the northeastern flank of the volcano.
    The eruptive rocks are mainly basalt and basaltic andesite and associated with andesite. Two types of mafic phenocryst assemblage in basaltic rocks, clinopyroxene+olivine and orthopyroxene+olivine, are found. Although quartz phenocryst often occur, no hornblende phenocryst is found in the rocks from Iwate volcanic group.
  • 佐藤 七郎, 斎藤 徳美, 佐々木 茂
    日本地熱学会誌
    1984年 6 巻 4 号 293-314
    発行日: 1984/10/20
    公開日: 2010/02/05
    ジャーナル フリー
    Self potential surveys were carried out in the Kakkonda geothermal area, Shizukuishi-cho, Iwate prefecture, from 1979 to 1981. The effects of artificial structures and activity of fumaroles on the self potential were investigated and the extent of geothermal reservoir was discussed by the results of self-potential method and the other geophysical prospecting data. The following results are obtained.(1) The self-potential profiles were obtained three times along a traverse in the area. Despite the almost one year gap in the time of data collection, the profiles are sufficiently similar to demonstrate that the self-potential data obtained by the proper field procedure are reproducible.(2) Self-potential anomalies ranging in amplitude from 100mV to 400mV were observed arround the ferroconcrete structures. This implies that data correction is needed if the self-potential survey is conducted near artificial structures.(3) There are no significant anomalies associated with the activities of fumaroles and hot spring in the area investigated.(4) The area of negative anomalies at the northern part of Takinoue tunnel and at the northeastern part of Kakkonda river, coincide roughly with the areas of low resistivity, high temperature and high radiometry. This result may give us an index to determine the extent of geothermal reservoir.
  • 鈴木 敏明
    岩石鉱物鉱床学会誌
    1962年 48 巻 4 号 129-138
    発行日: 1962/10/05
    公開日: 2008/08/07
    ジャーナル フリー
  • 斎藤 高士
    石油技術協会誌
    1965年 30 巻 6 号 307-314
    発行日: 1965/11/30
    公開日: 2008/03/27
    ジャーナル フリー
  • とくに新鉱床の探鉱に関する事項
    藤田 勇雄
    鉱山地質
    1959年 9 巻 35 号 157-166
    発行日: 1959/06/30
    公開日: 2009/06/12
    ジャーナル フリー
    (1) The average size of the workable, impregnated, metasomatic sulphur deposits in Japan is 256m in diameter (321m×192m) and 29m thick.
    (2) The ore deposits are generally found in irregular konides, and never in regular konides.
    (3) The dip of the ore deposits depends upon the bedding of the country rock ; consequently, it, is slightly under 15°, which is nearly the same as the slope of the skirt of the konide.
    (4) From the nature of volcanic structures, it can be expected that fumaroles, steam vents, ore deposits, volcanic bed-rock and hot-springs will be distributed in zones of decreasing altitude according to the order given here, however the relative altitudes of these zones will not vary greatly from each other.
    (5) It follows from (4) that the ore deposits are to be found between the steam-vent and hotspring zones. Because of topography, it is clear that ground water is better developed in the hot spring zone than in the steam vent zone.
    (6) It follows from (5) that one is most likely to find ore deposits in the zone of the break in slope between the breast and skirt of the konide.
    (7) The dissection of a volcano begins at the top of the konide and ends on its skirt. Therefore, the location of the ore deposit is not liable to be affected easily by dissection because of the time lag involved and also because of the following probabilities.
    (8) The interval between adjacent radial valleys of a volcano averages about 1km whereas the diameter of the ore deposits, as mentioned above, are on the order of about 256m, the ratio being roughly one to four. Therefore the probability of an ore deposit being dissected by a radial valley is rather small.
    (9) Further, the ore deposits are considered generally to lie at depths of from 150m to 200m, whereas the depth of the radial valleys measures at most only 50m. Therefore the probability of an ore deposit cropping out is expected to be small.
    (10) When the size of the sulphur deposits in Japan is considered, it is found that the size of the Matsuo deposit exceeds by far that of other deposits such as Abuta and Zao. Deposits still smaller than those of Abuta and Zao are abundant. These facts indicate the probable existence of hitherto undiscovered ore deposits, the size of which lie between those of Matsuo and Abuta-Zao.
    (11) From (7), (8), (9) and (10), we can presume a high probability for future discovery of many more ore deposits in Japan, provided we prospect untiringly.
    (12) In view of the aforementioned small probability that the ore deposit will crop out, the use of geophysical and geochemical prospecting methods are recommended.
  • 鈴木 敏明
    鉱山地質
    1954年 4 巻 13 号 164-169
    発行日: 1954/10/10
    公開日: 2009/06/12
    ジャーナル フリー
    The Matsuo sulphur deposit is found in two-pyroxene andesitic lava and pyrocrastic rocks which have been wholly altered by ascending vapour and hydrothermal solution. These rocks are largely replaced by sulphur and iron-sulphide. The ore deposit, therefore, can be classified into two parts, namely iron-sulpbide and native sulphur ore bodies, by their chief mineral constituent.
    The iron-sulphide ore is a mixture of pyrite and marcasite, the latter as suggested by ALLEN's and CRENSHAW's artificial experiments, is assumed to have been crystallized under condition of weak sulphuric acidity and at relatively low temperature.
    On the other hand, the iron-sulphide ore rich in marcasite is chiefly found at levels higher than pyrite rich ore. So, it is supposed that as hydrothermal solution rises upward, the temperature of the solution drops gradually while acidity.rises progressively.
  • 陶山 淳治, 馬場 健三
    電氣學會雜誌
    1972年 92 巻 6 号 612-615
    発行日: 1972/06/20
    公開日: 2008/11/20
    ジャーナル フリー
  • 安藤 重幸
    日本地熱学会誌
    1985年 7 巻 3 号 215-229
    発行日: 1985/07/30
    公開日: 2010/02/05
    ジャーナル フリー
    Geothermal system in the eastern Hachimantai geothermal area is investigated based upon the results of geological and geochemical survey including bore hole drilling. The isothermal map at the sea level suggests that the center of geothermal activity is situated near the Toshichi hot springs, just south of the Hachimantai volcano. The temperature decreases gradually to the north and southeast. This fact indicates that the geothermal heat source in this area is different from that of the Matsukawa geothermal area, situated about 5km south of the studied area. Drilling and geochemical data suggest the existence of following three geothermal reservoirs of fracture type. The first one is situated in the limited area at about 300m depth, which is filled acidic hot water saturated with H2S and CO22 gases. The second one is developed in the Miocene formation of 500 to 800m depth with Na-SO4 type geothermal fluid with medium temperature. The last one is probably filled with Na-Cl type geothermal fluid with high temperature and it is assumed to be developed in deeper part of this area. The wide distribution of wairakite in 400 to 1000m depth indicate that the reservoir temperature with Na-Cl type geothermal fluid have been falled about 100°C with the passage of time.
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