Search Results 1-14 of 14

  • Formation process of slickenside  [in Japanese]

    Ando Jun-ichi , Nishiwaki Takafumi , Sato Taku , Nagaoka Takayoshi , Hirose Takehiro , Kagi Hiroyuki , Ofuji Hiroaki

    チャート、石灰岩、角閃岩、蛇紋岩、炭質泥岩、クロミタイト、砂岩、泥岩に発達する鏡肌の微細組織のキャラクタリゼーションと、鏡肌の再現実験(高速摩擦試験と二軸摩擦試験)、及び回収試料の微細組織のキャラクタリゼーションから、鏡肌の形成過程を明らかにした。鏡肌形成過程の重要なポイントは、断層すべりにともなうすべりの局所化と、ナノサイズに至る鉱物の細粒化である。

    Abstracts for Annual Meeting of Japan Association of Mineralogical Sciences 2016(0), 220, 2016

    J-STAGE 

  • Petroleum source-rock potential of the Cretaceous marine argillaceous rocks in the offshore Joban fore-arc Basin, northeast Japan  [in Japanese]

    Inaba Toshinori , Sampei Yoshikazu , Nagamatsu Takeshi , Yonekura Yuta

    … They derived from coal and coaly mudstone in the Upper Cretaceous to the Miocene sediments. …

    Journal of the Japanese Association for Petroleum Technology 74(6), 560-572, 2009

    J-STAGE 

  • Chronostratigraphic correlation of the Shiose-no-misaki Sandstone and Conglomerate, Oga Peninsula, NE Japan  [in Japanese]

    Kano Kazuhiko , Obuse Akiko , Sato Yudai , Ohguchi Takeshi , Ogasawara Kenshiro

    … at the new outcrop comprises scorialapilli tuff and parallel to wavy laminated fine sandstone, both of which are intruded in dike by thinly bedded pumicelapilli tuff, pumice-bearing tuff, sandstone and mudstone as observed also in the adjacent <i>SSC</i>. … Pumice lapilli tuff occurs between the conglomerate and the overlying sandstone with a thickness of 30 cm, and tuffaceous mudstone and coaly shale beds 20 to 30 cm thick occur in between the sandstone. …

    Journal of the Japanese Association for Petroleum Technology 73(1), 86-96, 2008

    J-STAGE 

  • Rapid sea-level change in the Late Guadalupian (Permian) on the Tethyan side of South China: litho- and biostratigraphy of the Chaotian section in Sichuan

    ISOZAKI Yukio , YAO Jianxin , JI Zhangshen , SAITOH Masafumi , KOBAYASHI Noritada , SAKAI Harutaka

    … The main part of the Maokou Formation (over 130 m thick) is composed of algal packstone with Wordian-Capitanian large-tested fusulines, rugose corals and other sessile benthos, whereas the Uppermost Member (13 m thick) is composed of black limy mudstone/chert with Capitanian offshore biota (ammonoids, radiolarians, and conodonts). …

    Proceedings of the Japan Academy, Series B 84(8), 344-353, 2008

    J-STAGE 

  • Paleoenvironmental reconstruction on the Mezu Formation, Minabe Town, Wakayama Prefecture, Southwest Japan  [in Japanese]

    松尾 友太 , 此松 昌彦 , 久富 邦彦

    … The Mezu formation mainly composed of conglom- erate, and subordinately of sandstone and mudstone lenses. … Fine-grained sediments in the study area are characterized by the abundance of coaly sediments, and the development of paleosols and the soft-sediment deformations. … The Upper Member is 50m in thickness and consists of trough-cross bedded conglomerate and mudstone. … Coaly sediments in the Mezu Formation yield fossil pollen and leaf fossils. …

    Bulletin of the Faculty of Education,Wakayama University. Natural science 55, 5-13, 2005-02

    IR  DOI 

  • Shear Structure of Sliding Surface and Landslide Process of Noda Landslide developed in the Triassic Stratum Area, Okayama Prefecture, Japan  [in Japanese]

    INOUE Motoi , YAMADA Takuya , TANAKA Hajime , KITAGAWA Ryuji

    本研究は, 岡山県中西部の成羽層群 (中生代三畳紀層) に発達する野田地すべりを研究対象とし, すべり面の微細構造, 含まれる粘土鉱物, 炭質物に関し鉱物学的研究を行ったものである.<BR>すべり面の微細構造に関して, 光学的分析法・特性X線化学分析法などにより, 種々の変形構造を観察した. 定方位試料の最大すべり変位を示す研磨片ではリニアメント解析から発達する主要な剪断面を明確にし, …

    Journal of the Japan Society of Engineering Geology 42(2), 88-100, 2001-06-10

    J-STAGE  References (36) Cited by (5)

  • Clay Minerals and Carbonaceous Materials in the Noda Landslide Area, Okayama Prefecture, Japan  [in Japanese]

    INOUE Motoi , JIGE Mayumi , KITAGAWA Ryuji , TAKENO Setuo

    … Carbonaceous materials were extracted from coaly mudstone. …

    Nendo Kagaku 39(2), 76-85, 1999-12-28

    References (21) Cited by (1)

  • Clay Minerals and Carbonaceous Materials in the Noda Landslide Area, Okayama Prefecture, Japan.  [in Japanese]

    INOUE Motoi , JIGE Mayumi , KITAGAWA Ryuji , TAKENO Setuo

    … Carbonaceous materials were extracted from coaly mudstone.<BR>Illite, chlorite, smectite, vermiculite and kaolin minerals are recognized in the samples. …

    Journal of the Clay Science Society of Japan (in Japanese) 39(2), 76-85, 1999

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  • Landslide occurrence and geology of the Triassic Nariwa Group, Southwest Japan  [in Japanese]

    宝谷 周 , 鈴木 茂之 , 田中 元 , 山田 琢哉

    … Slip surface occure in coaly mudstones that have conspicuously less strength than sandstones. …

    Okayama University Earth Science Report 4(1), 21-32, 1997-09-20

    IR  DOI 

  • Paleocurrent and sedimentary environments of the Asso Formation of the Miocene Tanabe Group, Southwest Japan  [in Japanese]

    SUZUKI Toshikazu

    … Lithotype A consists of mudstone with coal seams and coal flakes. … Lithotype B consists of alternation of conglomerate and mudstone. … Lithotype C consists of thick-bedded conglomerate accompanied with thin mudstone intercalations. … Lithotype D consists of massive conglomerate without mudstone intercalations. …

    Earth Science (Chikyu Kagaku) 41(4), 205-220a, 1987

    J-STAGE  Cited by (1)

  • Sedimentation of the "Sarashikubi beds"(olistostrome beds) in the Muro Group, Southwest Japan  [in Japanese]

    HISATOMI Kunihiko , ISHIGAMI Tomoyoshi , NAKAYA Shizuo , SAKAMOTO Takahiko , SUZUKI Hiroyuki , TATEISHI Masaaki

    … Unit B consists of coarse-grained sandstone, conglomerate and angular fragments-bearing mudstone. … Unit C is composed of angular fragments-bearing mudstone bedded in 50 to 300 cm thick. … Matriceous mudstone is poorly sorted, massive and black siltstone in which no tectonic shear or fissility is observed. … The abundance of shallow-facies trace fossils, trough-type cross lamination and coaly materials, observed in Unit B, supports this interpretation. …

    Earth Science (Chikyu Kagaku) 34(2), 73-91, 1980

    J-STAGE  Cited by (3)

  • Organo-sedimentological Study of the "Uetsu Geosynclinal Sediments", with Special Reference to the Significance of Polycyclic Aromatic Compounds in the Sediments  [in Japanese]

    TAGUCHI Kazuo , SASAKI Kiyotaka

    … The similar contents of nickel porphyrin found between the thin layers of black clay stone intercalated in the Onnagawa Formation and the black massive mudstone composing the overlying Funakawa Formation, and the distinctly scattered values of extractable organic matter contents obtained from both surface and subsurface samples of the Onnagawa and the lower part of the Funakawa may be attributed to the characteristics of Flysch type sediments composing the Onnagawa Formation. …

    地質学論集 (6), 89-96, 1971

    NDL Digital Collections 

  • A study of the Taishu Group  [in Japanese]

    高橋 清

    … Upper Lower Shiohama Formation (950m+thick) Yoshigaura Formation (700-1000m thick) Kechi Formation (1500-1700m thick) Wakata Formation (850-900m thick) Sasu Formation (1400-1500m thick) Komoda Formation (800m+thick) a) The Komoda Formation consists of bluish gray fine-grained banded sandstone containing often granules or sometimes thin conglomerate beds and black mudstone or shale. … A thin coaly shale bed occurs between Komo-dahama and Onozaki. …

    Bulletin of the Faculty of Liberal Arts,Nagasaki University. Natural science (10), 67-82,図2枚, 1969-12

    IR 

  • Present Status of Uranium Prospecting in the Tônô Distrivt, Gifu Prefecture

    KAMIYAMA Teiji , SATÔ Gakuji , ÔHASHI Shûji , DOI Kazumi

    … Uranium is deposited in conglomerate and/or alternation of sandstone and mudstone containing coaly material. …

    Mining Geology 16(76-77), 85-90, 1966

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