ᕝ༤⣖せࠉྕࠉ㸸ᇸ⋢┴᪥㧗ᕷ㧗㯇௜㏆ࡢᆅ㉁̿ⓑள⣔㧗ᒸᒙࡢ♟ᒾࡢ♟✀ᵓᡂ࡜⛛∗ᖏࡢἾᒾ࠿ࡽ⏘ฟࡋࡓࢪࣗࣛ⣖ᨺᩓ⹸໬▼̿ᯇᒸ႐ஂḟ㸦ᕝ㉺ዪᏊ㧗➼Ꮫᰯ㸧 㸬ࡣࡌࡵ࡟ࠉ㛵ᮾᒣᆅ࡟ࡣ⛛∗ᖏࡢ୰ྂ⏕⏺ࡀᗈࡃศᕸࡋࠊࡑࡢᮾ⦕ࡢᇸ⋢┴᪥㧗ᕷ࡟ࡣⓑள⣔ࡀࢃࡎ࠿࡟ࡳࡽࢀࡿࠋࡇࡢⓑள⣔ࡣࠊ῰㇂࣭ᇼཱྀ㸦㸧࡟ࡼࡾⓎぢࡉࢀࠊᒾ┦࡜▼⅊⸴໬▼ࡢ≉ᚩࡀᒣ୰ᆅ⁁ᖏⓑள⣔࡟㓞ఝࡋࠊࡑࡢᘏ㛗࡟఩⨨ࡍࡿࡇ࡜ࡀሗ࿌ࡉࢀࡓࠋᯇ୸࡯࠿㸦㸧ࡣࡇࡢⓑள⣔ࡢ▼⅊⸴໬▼ࡢ⏘≧ࡸ࢜ࣝࣅࢺࣜࢼࡢ⏘ฟ࠿ࡽࠊᆅ㉁ᖺ௦ࢆⓑள⣖
Aptian 㹼 Albian ࡜ࡋࠊᒣ୰ᆅ⁁ᖏⓑள⣔ࡢ▼ᇽᒙୗ㒊ᒙ࡟ᑐẚࡋࡓࠋࡑࡢᚋࠊ▼஭࣭⏣ཱྀ㸦㸪㸧ࡣ㧗ᒸᒙ࡜࿨ྡࡋࠊᒙᗎ࣭
ᵓ㐀࠾ࡼࡧ⛛∗ᖏࡢ୰ྂ⏕⏺ࡢୖ࡟୙ᩚྜ࡛
㔜࡞ࡿࡇ࡜ࢆሗ࿌ࡋࡓࠋΏ㑔࣭ᆏ㸦㸧ࡣ㧗ᒸᒙࡢ◁ᒾ࣭Ἶᒾࡢሁ✚┦ゎᯒ࡟ࡼࡾࠊᒣ
୰ᆅ⁁ᖏⓑள⣔ࡢ℩ᯘᒙ࡟ᑐẚࡋ࡚࠸ࡿࠋࡋ
࠿ࡋࠊ㧗ᒸᒙ࡟ࡘ࠸࡚ࡣᒾ▼Ꮫⓗ࡞ሗ࿌ࡣ࡞

群馬

139°
E

‫ۑ‬

東京

上吉田
36°
N

秩父盆地

埼玉

横瀬
▲
武甲山

ᅗ㻞飯能
▲
雲取山

%
新第三系
/第四系
山中地溝帯

7/
五日市

東京

秩父帯北帯
秩父帯南帯
四万十帯
三波川帯

BTL：仏像構造線010km

ᅗ  㸬ㄪᰝᆅᇦࡢ఩⨨ᅗ࠾ࡼࡧ㛵ᮾᒣᆅࡢᆅయᵓ㐀༊ศ㸦ᯇᒸ㸦㸧ࡢಟṇ㸧ࡃࠊᚋ⫼ᆅ࡟ࡘ࠸࡚ࡶゝཬࡉࢀ࡚࠸࡞࠸ࠋࡑࡇ࡛ࠊ◁ᒾἾᒾ஫ᒙ࡟ᣳࡲࢀࡿ♟ᒾࡢ♟✀ᵓᡂࢆሗ࿌ࡋࠊᚋ⫼ᆅ࡟ࡘ࠸᳨࡚ウࡍࡿࠋࠉࡲࡓࠊ▼஭࣭⏣ཱྀ㸦㸧࡟ࡼࡿ࡜ࠊ㧗ᒸᒙࡣ⛛∗ᖏࡢ୰ྂ⏕⏺ࡢ≀ぢᒣ⥳Ⰽᒾ㢮ࢆ୙ᩚྜ࡟そࡗ࡚࠸ࡿ࡜ࡉࢀࡓࠋࡇࡢ≀ぢᒣ⥳Ⰽᒾ㢮࡟㏆᥋ࡍࡿ᪥㧗ᕷΎὶࡢΎὶ㇂ᕝἢ࠸ࡢἾᒾ࠿ࡽࡣࠊ᪥㧗⏫ྐ⦅㞟ጤဨ఍࣭᪥㧗⏫ᩍ⫱ጤဨ఍⦅㸦㸧࠾ࡼࡧᣦ⏣㸦㸧ࡼࡾࢪࣗࣛ⣖ࡢᨺᩓ⹸໬▼ࡀሗ࿌ࡉࢀ࡚࠸ࡿࡀࠊ௒ᅇࠊ᪥࿴⏣ᒣࡢ໭すࡢ⌛㉁ἾᒾࡼࡾಖᏑࡢ
Ⰻ࠸ࢪࣗࣛ⣖୰ୡࡢᨺᩓ⹸໬▼ࡀ⏘ฟࡋࡓࠋࡑࡇ࡛ࠊ⏘ฟࡋࡓᨺᩓ⹸໬▼ࢆሗ࿌ࡋࠊⓑள⣔㧗ᒸᒙࡀሁ✚ࡋࡓ⛛∗ᖏࡢ୰ྂ⏕⏺ࡢᡤᒓࣘࢽࢵࢺ࡟ࡘ࠸࡚ࡶ᳨ウࡍࡿࠋ 㸬ᆅ㉁ᴫㄝ
ࠉ㛵ᮾᒣᆅࡢඛ᪂➨୕⣖ᆅ㉁యࡣࠊ໭࠿ࡽ୕
Ἴᕝᖏࠊ⛛∗ᖏ໭ᖏࠊᒣ୰ᆅ⁁ᖏࠊ⛛∗ᖏ༡ᖏࠊᅄ୓༑ᖏ࡟༊ศࡉࢀࠊࡇࢀࡽࡀ WNWESE ᪉ྥࡢ᩿ᒙ࡟ቃࡉࢀ࡚໭࠿ࡽ༡࡟ᖏ≧㓄ิࡋ࡚࠸ࡿ㸦ᅗ  㸧ࠋࠉㄪᰝᆅᇦࡣࠊ㛵ᮾᒣᆅࡢᮾ⦕㒊࡟࠶ࡓࡾࠊᇸ⋢┴᪥㧗ᕷࡢす㒊࠿ࡽẟ࿅ᒣ⏫ࡢ༡す㒊࡟࠿ࡅ࡚ࠊᮾす⣙੊ࠊ༡໭⣙੊ࡢ⠊ᅖ࡟࠶ࡾࠊ༡ഃ࡟ࡣ㧗㯇ᕝࡀᮾὶࡋࠊ࡯ࡰ୰ኸ㒊࡟᪥࿴⏣ᒣࡀ఩⨨ࡍࡿ㸦ᅗ  㸧ࠋࠉ⛛∗ᖏ໭ᖏࡣᵓ㐀ⓗୗ఩ࡼࡾ᯽ᮌࠊୖྜྷ⏣ࠊఫᒃ㝃࠾ࡼࡧ㐟Ꮚᕝࡢ  ࣘࢽࢵࢺ࡟༊ศࡉࢀ㸦ᯇᒸ࡯࠿㸪㸧ࠊㄪᰝᆅᇦ࡟ࡣ᯽ᮌࠊୖྜྷ⏣࠾ࡼࡧఫᒃ㝃ࡢ  ࣘࢽࢵࢺࡀศᕸࡍࡿࠋ᯽ᮌࣘࢽࢵࢺࡣ୺࡟⌛㉁จ⅊ᒾࠊࢳ࣮ࣕࢺ࠾ࡼࡧ㯮ⰍἾᒾ࠿ࡽ࡞ࡿࠋୖྜྷ⏣ࣘࢽࢵࢺࡣࠊἾᒾ࣭◁ᒾࢆ୺࡟ࡋࠊࢳ࣮ࣕࢺࠊ▼⅊ᒾࠊࢳ࣮ࣕࢺ♟ᒾ࠾ࡼࡧⱞ㕲㉁ᒾࡢᒾሢࢆྵ
ࡴἾ㉁ΰᅾᒾ࡛࠶ࡿ㸦ᯇᒸ࣭ඵᑿ㸪㸧ࠋఫᒃ㝃ࣘࢽࢵࢺࡣ◁ᒾ࡜◁ᒾඃໃ◁ᒾἾᒾ஫ᒙ࠿ࡽ࡞ࡾࠊከ㔞ࡢ㉥Ⰽࢳ࣮ࣕࢺ࡜ⱞ㕲㉁ᒾ

㸫㸫ᯇᒸ႐ஂḟࠉᇸ⋢┴᪥㧗ᕷ㧗㯇௜㏆ࡢᆅ㉁ᅗ  㸬ㄪᰝᆅᇦࡢᆅ㉁ᅗ  ᆅ㉁᩿㠃ᅗ࠾ࡼࡧᨺᩓ⹸໬▼ࡢ⏘ฟࡋࡓᆅⅬ㸦63㸧ࡢᒾሢࢆక࠺㸦ᯇᒸ㸪㸧㸬㉥Ⰽࢳ࣮ࣕࢺࡣ○ᒌᛶࢻࣟࢫࢺ࣮ࣥࢆᣳࡴࡇ࡜ࡀ࠶ࡿ㸦ᯇᒸ㸪㸧ࠋࡑࢀࡽࡢᵓ㐀ࡣ NW-SW ㉮ྥ࡛ࠊ༡す࡟ഴᩳࡍࡿࠋ○ᒌᒾࡢ㝣※ሁ✚ᖺ௦ࡣࠊ᯽ᮌࣘࢽࢵࢺࡀⓑள⣖ྂୡ㸦ᯇᒸ㸪㸧ࠊୖྜྷ⏣ࣘࢽࢵࢺࡀࢪࣗࣛ⣖୰ୡ๓ᮇ㹼ᚋᮇ㸦ᯇᒸ࣭ඵᑿ㸪㸧ࠊఫᒃ㝃ࣘࢽࢵࢺࡀࢪࣗ
ࣛ⣖ྂୡᚋᮇ㹼ࢪࣗࣛ⣖୰ୡ๓ᮇ㸦ᣦ⏣㸪㸹ᯇᒸ㸪㸧࡛࠶ࡿࠋࠉ᪥㧗ᕷ㧗ᒸࡢ㧗㯇ᕝࡢἙᗋ࡜ࡑࡢ໭す᪉ྥ ࡢ ㇂ ἢ ࠸ ࡟ ࡣࠊ ⓑ ள ⣔ 㧗 ᒸ ᒙ ࡀ ศ ᕸ ࡍࡿࠋ㧗ᒸᒙࡣ♟ᒾࡢୗ㒊࡜◁ᒾἾᒾ஫ᒙࡢୖ㒊࠿ࡽ࡞ࡾࠊ⛛∗ᖏࡢ୰ྂ⏕⏺࡟୙ᩚྜ࡛㔜࡞ࡿ㸦▼஭࣭⏣ཱྀ㸪࡞࡝㸧ࠋ㧗ᒸᒙࡢ ᵓ 㐀 ࡣ NW-SE ㉮ ྥ ࡢ ྥ ᩳ ㍈ ࢆ ࡶ ࡕࠊ ໭ᮾ ⩼ ࡜ ༡ す ⩼ ࡛ ࡣ㹼°ഴ ᩳ ࡍ ࡿࠋ ◁ ᒾ࠿ ࡽ ࡣ ▼ ⅊ ⸴ Stenoporidium cf. chaetetifornis
Yabe and Toyama ࡞࡝㸦῰㇂࣭ᇼཱྀ㸪㸧ࠊ
Orbitolina lenticularis㸦Blumenbach㸧㸦 ᯇ ୸ ࡯࠿㸪㸧ࡀሗ࿌ࡉࢀࠊ࠿ࢀࡽ࡟ࡼࡾᆅ㉁ᖺ
௦ࡣⓑள⣖ Aptian 㹼 Albian ࡜ࡉࢀ࡚࠸ࡿࠋࡑࡋ࡚ࠊ㧗ᒸᒙࡣ୙ᩚྜ࡛㣤⬟ᒙ࡟そࢃࢀࡿࠋ㸫㸫ᕝ༤⣖せࠉྕࠉ㸸 㸬ⓑள⣔㧗ᒸᒙ 㸧㧗ᒸᒙࡢᒙ┦ࠊᵓ㐀ࠊᆅ㉁ᖺ௦
ࠉ㧗ᒸᒙࡣ᪥㧗ᕷ㧗ᒸࡢ㧗㯇ᕝࡢἙᗋ࡛Ⰻࡃほᐹ࡛ࡁࠊ♟ᒾ࠿ࡽ࡞ࡿୗ㒊ᒙ࡜◁ᒾἾᒾ஫ᒙ࠿ࡽ࡞ࡿୖ㒊ᒙ࡟༊ศࡉࢀࠊᒙཌࡣ᭱኱࡛㹫࡛࠶ࡿ㸦▼஭࣭⏣ཱྀ㸪࡞࡝㸧ࠋ࠿ࢀࡽ࡟ࡼࡿ࡜ࠊୗ㒊ᒙࡢ♟ᒾࡣ♟ᚄᩘ੉㹼੉ࠊࡲࢀ࡟ே㢌኱࡛ࠊளゅ㹼ள෇♟࠿ࡽ࡞ࡿࠋ♟✀ࡣࢳ࣮ࣕࢺࠊ◁ᒾࠊἾᒾࠊ⥳Ⰽᒾ࡛ࠊࡲࢀ࡟▼⅊ᒾࡀࡳࡽࢀࡿࠋࢳ࣮ࣕࢺࡣ⅊Ⰽࠊ㯮ⰍࠊⲔⰍࢆ࿊ࡍࡿࠋ◁ᒾࡣ⅊Ⰽࡸ㯮Ⰽ࡛ࠊ⢒⢏㹼୰⢏◁࡛࠶ࡿࠋᇶ㉁ࡣ⣽♟㹼⢒⢏◁ᒾ࡛࠶ࡿࠋࠉୖ㒊ᒙࡢ◁ᒾἾᒾ஫ᒙࡢ◁ᒾ࡜Ἶᒾࡢ༢ᒙࡢཌࡉࡣࠊࡑࢀࡒࢀ㹼੉ࠊ  㹼੉࡛ࠊ♟ᒾࢆᣳࡴࠋ◁ᒾࡣᬯ⅊Ⰽࢆ࿊ࡋࠊ⢒⢏ࠊ▼⅊㉁࡛࠶ࡿࠋ◁ᒾࡸ♟ᒾ࡟ࡣ▼⅊⸴ࠊ᭷Ꮝ
⹸ࠊ஧ᯛ㈅ࠊࢧࣥࢦ࡞࡝ࡢ໬▼∦ࡀከ㔞࡟ྵࡲࢀࡿࠋἾᒾࡣ⅊㯮Ⰽ࡛ࠊⅣ㉁≀ࢆከࡃྵࡴࠋୖ㒊ᒙ࡟ࡣᖹ⾜ⴥ⌮ࡀࡳࡽࢀࠊࡋࡤࡋࡤࢫࣛࣥࣉᵓ㐀ࡶㄆࡵࡽࢀࡿࠋࠉ㧗ᒸᒙࡢᵓ㐀ࡣ N㹼°W ㉮ྥ࡛ࠊศᕸࡢ୰ኸ㒊࡟ࡣ NW-SE ㉮ྥࡢྥᩳ㍈ࡀ࠶ࡾࠊ໭ᮾ⩼࡜༡す⩼࡛ࡣ㹼°ഴᩳࡍࡿࠋ㧗ᒸᒙࡣୗ఩ࡢ୰ྂ⏕⏺࡜୙ᩚྜࡢ㛵ಀ࡟࠶ࡾࠊ୰ྂ⏕⏺ࡣࢳ࣮ࣕࢺࡸⱞ㕲㉁Ⰽᒾࡢᒾሢࢆྵ
ࡴἾᒾඃໃ◁ᒾἾᒾ஫ᒙ࠿ࡽ࡞ࡿࠋࡑࡋ࡚ࠊ㧗ᒸᒙࡢୖ఩࡟ࡣ୙ᩚྜ㠃ࢆቃ࡟㣤⬟ᒙࡢ♟ᒙࡀ⣼㔜ࡍࡿ㸦ᅗ  㸧ࠋ 㸧◁ᒾἾᒾ஫ᒙ࡟ᣳᅾࡍࡿ♟ᒾࠉ᪥㧗ᕷ㧗ᒸࡢ㧗㯇ᕝࡢἙᗋ࡟ࡣࠊ㧗ᒸᒙୖ㒊ᒙࡢ◁ᒾἾᒾ஫ᒙࡀ㟢ฟࡋ࡚࠸ࡿ㸦ᅗ 㸧ࠋ♟ᒾࡣ◁ᒾἾᒾ஫ᒙ࡟ᩘᯛᣳࡲࢀࠊཌࡉࡣ㹼੉࡛ࠊ♟ᚄࡣ㹼  ੉ࡀከࡃࠊࡲࢀ࡟  ੉ࡢࡶࡢࡀ࠶ࡿ㸦ᅗ  㸧ࠋ୺࡟ள෇
♟㹼෇♟࠿ࡽ࡞ࡾࠊ᪉ゎ▼ࡢ⬦ࡀⓎ㐩ࡍࡿࠋᅗ  㸬㧗ᒸᒙ࡜㣤⬟ᒙࡢ୙ᩚྜ  ᪥㧗ᕷ㧗ᒸࡢ㧗㯇ᕝࡢྑᓊ ᧜ᙳᅗ  㸬㧗ᒸᒙࡢ◁ᒾἾᒾ஫ᒙ &J㸸⣽♟ᒾ  ᪥㧗ᕷ㧗ᒸࡢ㧗㯇ᕝࡢἙᗋ ᧜ᙳࠉ㟢㢌Ḟዴ㸫㸫ᯇᒸ႐ஂḟࠉᇸ⋢┴᪥㧗ᕷ㧗㯇௜㏆ࡢᆅ㉁ᅗ  㸬㧗ᒸᒙࡢ⣽♟ᒾࡢ㢧ᚤ㙾෗┿ &K㸸ࢳ࣮ࣕࢺ 6V㸸◁ᒾ /V㸸▼⅊ᒾ  ࢡࣟࢫࢽࢥࣝ  ࢫࢣ࣮ࣝࡣੈᅗ  㸬㧗ᒸᒙࡢ⣽♟ᒾ㸦ᅗ  ࡢ &J㸧ࡢ◊☻㠃 &K㸸ࢳ࣮ࣕࢺ 6V㸸◁ᒾ /V㸸▼⅊ᒾᇶ㉁ࡣ᪉ゎ▼࠿ࡽ࡞ࡿࡀᑡ࡞࠸ࠋࠉ௒ᅇࠊ♟ᒾࡢ♟✀࡟ࡘ࠸࡚ࡣࠊ♟ᒾࡢⷧ∦ࢆసᡂࡋࠊ♟ࡈ࡜࡟㙾ୗุ࡛ᐃࡋࡓࠋࡑࡢ⤖ᯝࠊࢳ࣮ࣕࢺࡀ㸣ࠊ◁ᒾࡀ㸣࡜ከࡃࢆ༨ࡵࠊᑡ㔞ࡢἾᒾࡸⅆᒣᒾࡀࡳࡽࢀࠊ໬▼∦ࢆ㸣ྵࡴ㸦ᅗ  㸧ࠋ ⰼᓵᒾ㢮ࡸ⤖ᬗ∦ᒾࡣ☜ㄆ࡛ࡁ࡞࠿ࡗࡓࠋࠉ◁ᒾࡣᬯ⅊Ⰽ࡛ࠊᚄ㹼  ੉ࡀከࡃࠊࡲࢀ࡟  ੉ࡢࡶࡢࡀ࠶ࡾࠊள෇♟࡛࠶ࡿ㸦ᅗ㸧ࠋ୰⢏◁࠿ࡽ࡞ࡿ࣡ࢵࢣࡀከࡃࠊ࢔ࣞࢼ໬▼∦ 32%

ⅆᒣᒾ
3%
Ἶᒾ5%

࢖ࢺࡶࡳࡽࢀࡿࠋࢳ࣮ࣕࢺࡣ⅊Ⰽ㹼⅊ⓑⰍ࡛ࠊᚄ㹼  ੉ࡀከࡃࠊளゅ♟㹼ள෇♟࡛࠶ࡿࠋ▼ⱥ⬦ࡀከࡃࠊᨺᩓ⹸໬▼ࡣࡲࢀ࡟ㄆࡵࡽࢀࡿࠋࢳ࣮ࣕࢺࡣᚤ⣽࡞▼ⱥࡢ㞟ྜ࡛࠶ࡿࡀࠊᚄੈࡢ▼ⱥࡢ㞟ྜ࠿ࡽ࡞ࡿࡶࡢࡶࠊࢳ࣮ࣕࢺ࡟ྵࡵࡓ㸦ᅗ  a㸧ࠋⅆᒣᒾࡣ㯮Ⰽ࡛ࠊෆ㒊࡟▷෉≧ࡢᩳ㛗▼ࡀከᩘࡳࡽࢀࡿ㸦ᅗ  b㸧ࠋࢩࣝࢺᒾࡣ⣽⢏ࡢ▼ⱥࡸ㛗▼࡜㯮Ⰽ୙㏱᫂⢏Ꮚ࠿ࡽ࡞ࡾࠊከ㔞ࡢࢭࣜࢧ࢖ࢺ࡜ᑡ㔞ࡢ㯮㞼ẕࢆྵࡴࠋ໬▼∦ࡣᬯⲔⰍ㹼ⲔⰍ࡛ࠊ࢜ࣝࣅࢺࣜࢼࡸࠊ▼⅊⸴ࠊ஧ᯛ㈅ࠊࢧ
ࣥࢦ࡞࡝ࡢ◚∦࡛࠶ࡿࠋ▼⅊⸴ࡣ㛗ᚄᩘੈ㹼ᩘ੉ࠊளゅ㹼ள෇♟࡛ࠊእᙧࡢ୍㒊ࡀቯࢀ࡚࠸ࡿࠋࠉࡲࡓࠊ◁ᒾἾᒾ஫ᒙࡢ◁ᒾࡣࠊ⢒⢏◁࠿ࡽ࡞ࡿ▼㉁࢔ࣞࢼ࢖ࢺ࡛ࠊከࡃࡢࢳ࣮ࣕࢺࡸ໬
▼∦࠿ࡽ࡞ࡿࠋ㯮㞼ẕࡸⰼᓵᒾ㢮ࡢᒾ∦ࡣㄆࡵࡽࢀ࡞࠿ࡗࡓࠋ䝏䝱䞊䝖40%◁ᒾ20%
ᅗ  㸬㧗ᒸᒙࡢ⣽♟ᒾࢆᵓᡂࡍࡿᒾ∦ࡢ㢧ᚤ㙾෗┿ &K㸸ࢳ࣮ࣕࢺ 9㸸ⅆᒣᒾ  ࢡࣟࢫࢽࢥࣝ  ࢫࢣ࣮ࣝࡣੈᅗ  㸬㧗ᒸᒙࡢ⣽♟ᒾࡢ♟✀⤌ᡂ  ࢝࢘ࣥࢺࡢ⥲ᩘࡣ㸫㸫ᕝ༤⣖せࠉྕࠉ㸸 㸬⛛∗ᖏ 㸧⛛∗ᖏࡢᒾ┦ࠊᵓ㐀ࠊᆅ㉁ᖺ௦
ࠉㄪᰝᆅᇦ࡟ࡣ⛛∗ᖏ໭ᖏࡢୖྜྷ⏣ࣘࢽࢵࢺࡀᗈࡃศᕸࡋࠊ໭ᮾ㒊࡟ࡣ᯽ᮌࣘࢽࢵࢺࠊ༡す㒊࡟ࡣఫᒃ㝃ࣘࢽࢵࢺࡀศᕸࡍࡿࠋࡑࢀࡒࢀࡢࣘࢽࢵࢺࡢ㛵ಀࡣ᩿ᒙ࡛࠶ࡿࠋ᯽ᮌࣘࢽࢵࢺࡣᣦ⏣㸦㸧ࡢ㯮ᒣᒙࠊୖྜྷ⏣ࣘࢽࢵࢺࡣᣦ⏣㸦㸧ࡢสሙᆏᒙ࠾ࡼࡧ㧗⏿ᒙࠊఫᒃ㝃ࣘࢽࢵࢺࡣᣦ⏣㸦㸧ࡢⰼ᱒ᒙ࡟┦ᙜࡍࡿࠋ▼஭࣭⏣ཱྀ㸦㸧ࡢ≀ぢᒣ⥳Ⰽᒾ㢮ࡢศᕸࡣࠊᣦ⏣㸦㸧ࡢ㧗⏿ᒙ࡟┦ᙜࡋࠊᮏሗ࿌ࡢୖྜྷ⏣ࣘࢽࢵࢺ࡟ྵࡲࢀࡿࠋࠉ᯽ᮌࣘࢽࢵࢺࡣ୺࡟㉥Ⰽ㹼ⓑⰍࢳ࣮ࣕࢺ࠿ࡽ࡞ࡾࠊἾᒾࢆᣳࡴ㸦ᅗ  a㸧ࠋᙉ࠸ኚᙧ࡜෌
⤖ᬗస⏝ࢆཷࡅ࡚࠾ࡾࠊ⥺ᵓ㐀ࡀࡳࡽࢀࡿࠋࠉୖྜྷ⏣ࣘࢽࢵࢺࡣࠊ໭ᮾ㒊࡛ࡣἾᒾ࡜Ἶᒾඃໃ◁ᒾἾᒾ஫ᒙࡀᗈࡃศᕸࡋࠊⱞ㕲㉁ᒾ
࠾ࡼࡧࢳ࣮ࣕࢺࡢᒾሢࢆከ㔞࡟ྵࡴࠋࡑࡢ༡すഃ࡟ࡣ◁ᒾ࡜◁ᒾඃໃ◁ᒾἾᒾ஫ᒙࡀᖏ≧࡟ศᕸࡍࡿࠋ◁ᒾࡣ⣽⢏㹼୰⢏◁࠿ࡽ࡞ࡿ࣡ࢵࢣ㉁࡛࠶ࡿࠋἾᒾࡣ୺࡟㯮Ⰽࢆ࿊ࡋࠊࣞࣥࢬ≧ࡢ◁ᒾࢆᣳࡴࠋࢳ࣮ࣕࢺࡣ⅊Ⰽࡀከ࠸ࡀࠊⓑⰍ㹼ῐ㉥Ⰽࢆ࿊ࡍࡿࡇ࡜ࡀ࠶ࡾࠊ㛗ᚄᩘ੉㹼੊ࡢᒾሢ࡜ࡋ࡚⏘ࡍࡿ㸦ᅗ  b㸧ࠋⱞ㕲㉁ᒾࡣᶒ⌧ᇽ࡜㧗ᒸ௜㏆࡟ᗈࡃศᕸࡍࡿ࡯࠿ࠊ㛗ᚄᩘ੉㹼੊ࡢᒾሢ࡜ࡋ࡚⏘ࡍࡿࠋⱞ㕲㉁ᒾࡣ⥳Ⰽ㹼㉥⣸Ⰽࡢจ⅊ᒾࡀከࡃࠊᑡ㔞ࡢᯖ≧⁐ᒾࡸⅆᒣ♟จ⅊ᒾ࠿ࡽ࡞ࡿࠋᯖ≧⁐ᒾࡢ  ಶࡢᯖ≧ᵓ㐀ࡢᚄࡣ㹼੉࡛࠶ࡾ㸦ᅗ  c, ⛉ 㸧ࠊⅆᒣ♟จ⅊ᒾࡣᚄ੉௨ୗࡢ⋞Ṋᒾ⁐ᒾࡢ♟ࢆྵࡴ㸦ᅗ  d㸧ࠋࡑࢀࡽࡢᵓ㐀ࡣ NW-SW㉮ྥ࡛ࠊ༡す࡟ഴᩳࡍࡿࠋ᪥㧗⏫ྐ⦅㞟ጤဨ఍࣭᪥㧗⏫ᩍ⫱ጤဨ఍⦅㸦㸧ࡣࠊ᪥㧗ᕷΎὶ௜㏆ࡢ㯮ⰍἾᒾࡼࡾࠊStriatojapnocapsasp. ࡼࡧ Parvicingula sp. ࡝ࡢᨺᩓ⹸໬▼ࢆሗ
࿌ࡋࠊᆅ㉁ᖺ௦ࢆࢪࣗࣛ⣖୰ୡ㹼᪂ୡ࡜᥎ᐃ
ࡋࡓࠋࡲࡓࠊᣦ⏣㸦㸧ࡣྠࡌᆅⅬ࠿ࡽ
Striatojapnocapsa plicarum㸦Yao㸧࡞࡝ࡢᨺᩓ
⹸໬▼ࢆሗ࿌ࡋࠊᆅ㉁ᖺ௦ࢆࢪࣗࣛ⣖୰ୡ࡜᥎ᐃࡋࡓࠋࠉఫᒃ㝃ࣘࢽࢵࢺࡣࠊ◁ᒾ࠾ࡼࡧ◁ᒾඃໃ◁ᒾἾᒾ஫ᒙ࠿ࡽ࡞ࡾࠊከࡃࡢⱞ㕲㉁ᒾ࠾ࡼࡧ
ࢳ࣮ࣕࢺࡢᒾయࡸᒾሢࢆక࠺ࠋ◁ᒾࡣᬯ⅊Ⰽ࡛୰㹼⢒⢏◁ࡢ࣡ࢵࢣ㉁◁ᒾ࡛࠶ࡿࠋⱞ㕲㉁ᒾࡣࠊᬯ⥳Ⰽ㹼ᬯ㉥Ⰽࡢሢ≧⁐ᒾ࠾ࡼࡧจ⅊ᅗ  㸬 ⛛ ∗ ᖏ ࡢ ᒾ ┦  D㸸 ᯽ ᮌ ࣘ ࢽ ࢵ ࢺ ࡢ ㉥ Ⰽࢳ࣮ࣕࢺ  ᪥࿴⏣ᒣࡢ໭ࡢ᳃ᯘ⟶⌮㐨Ύὶ⥺ἢ࠸ࠉࠉE㸸ୖྜྷ⏣ࣘࢽࢵࢺࡢἾᒾ࡟ྵࡲࢀࡿࢳ࣮ࣕࢺᒾሢ  &K㸸ࢳ࣮ࣕࢺᒾሢ  ᪥࿴⏣ᒣࡢすࡢዟṊⶶ⮬↛㐟Ṍ㐨ἢ࠸ ᧜ᙳࠉࠉF㸸ୖྜྷ⏣ࣘࢽࢵࢺࡢᯖ≧⁐ᒾ  ᪥㧗ᕷ㧗㯇ᮏ㒓ࠉஂಖࠉ㧗㯇ᕝࡢྑᓊࡢἙᗋ ᧜ᙳࠉࠉG㸸ୖྜྷ⏣ࣘࢽࢵࢺࡢⅆᒣ♟จ⅊ᒾ  ᪥㧗ᕷ㧗㯇ᮏ㒓ࠉஂಖࠉ㧗㯇ᕝࡢྑᓊࡢἙᗋ ᧜ᙳ㸫㸫ゅ♟ᒾ࡛࠶ࡿࠋࢳ࣮ࣕࢺࡣᒙ≧࡛㉥〓Ⰽࢆ࿊ࡍࡿࡶࡢࡀከ࠸ࠋ 㸧⌛㉁Ἶᒾ࠿ࡽ⏘ฟࡋࡓᨺᩓ⹸໬▼ࠉᨺᩓ⹸໬▼ࡀ⏘ฟࡋࡓᆅⅬࡣࠊ᪥࿴⏣ᒣࡢ໭すࠊ㥖㧗ࡢ㐨㊰ἢ࠸ࡢ㟢㢌࡛࠶ࡿ㸦ᅗ ࡢ SP㸧ࠋࡇࡢ㟢㢌࡛ࡣཌࡉᩘ㹫ࡢ⅊Ⰽࢳ࣮ࣕࢺࡢୖ఩࡟⌛㉁ἾᒾࠊἾᒾ࡜㔜࡞ࡿࠋᯇᒸ႐ஂḟࠉᇸ⋢┴᪥㧗ᕷ㧗㯇௜㏆ࡢᆅ㉁⌛㉁Ἶᒾࡣ⥳㯮Ⰽࢆ࿊ࡋࠊཌࡉࡣ੉࡛ࠊῐ⥳Ⰽࡢ⌛㉁จ⅊ᒾࡢⷧᒙࢆᣳࡴࠋᵓ㐀ࡣ
N°W ㉮ྥࠊ༡°ഴᩳࡍࡿࠋ
ࠉ ⌛ ㉁ Ἶ ᒾ ࢆ ࣇ ࢵ ໬ Ỉ ⣲ 㓟 ࡛ ฎ ⌮ ࡋࠊ ከࡃ ࡢ ᨺ ᩓ ⹸ ໬ ▼ ࢆ ᚓ ࡓ㸦 ᅗ㸧ࠋ ⏘ ฟ ࡋࡓ Eoxitus cf. dhimenaensis㸦Baumgartner㸧ࠊMizukidella kamoensis㸦Mizutani and Kido㸧 ࠾ࡼ ࡧ Striatojapnocapsa cf. plicarum㸦Yao㸧 ࡞࡝࠿ࡽᆅ㉁ᖺ௦ࡣࢪࣗࣛ⣖୰ୡࢆ♧ࡍࡀࠊ
Striatojpaonocapsa cf. tetragona㸦Matsuoka㸧ࢆඹᏑࡍࡿࡇ࡜࠿ࡽᆅ㉁ᖺ௦ࡣࢪࣗࣛ⣖୰ୡ ࡢ ୰ ᮇ ࡟ 㝈 ᐃ ࡉ ࢀ ࡿ ྍ ⬟ ᛶ ࡀ ࠶ ࡿࠋ ࡞࠾ࠊࢪࣗࣛ⣖୰ୡࡢᚋᮇࡢ⏕Ꮡᮇ㛫ࢆࡶࡘ
Striatojaponocapsa cf. riri O'Dogerthy, Goricanand Dumitrica in O'Dogherty et al.㸦㸧ࡀྵࡲࢀ࡚࠸ࡓࡇ࡜ࡣࠊ௒ᚋ᳨ウࡢᚲせࡀ࠶ࡿࠋᅗ㸬ୖྜྷ⏣ࣘࢽࢵࢺࡢ⌛㉁Ἶᒾ㸦63㸧࠿ࡽ⏘ฟࡋࡓᨺᩓ⹸໬▼ࡢ㟁Ꮚ㢧ᚤ㙾෗┿Striatojaponocapsa sp.  㸬Striatojapnocapsa cf. plicarum㸦Yao㸧
Striatojpaonocapsa cf. tetragona㸦Matsuoka㸧㸬.  㸬.
 㸬StriatojapnocapsaD൵ conexa㸦Matsuoka㸧  㸬 Striatojaponocapsa cf. riri O'Dogerthy, Gorican and Dumitrica in
O'Dogherty et al.㸦㸧.  㸬StriatojaponocaD൵mudensis㸦Cordey㸧?.  㸬TheocapsomellaD൵pentagona㸦Aita㸧.
 㸬Eoxitus cf. dhimenaensis㸦Baumgartner㸧. 㸬HsuumD൵maxwelli㸦Pessagno㸧. 㸬Mizukidella kamoensis㸦Mizutaniand Kido㸧. 㸬Triversus sp. 㸬Parahsuum? sp. 㸬Protunuma"D൵lanosus Ozvoldova in Sykora and Ozvoldova㸦㸧.
ࢫࢣ࣮ࣝࡣੈ .

㸫㸫ᕝ༤⣖せࠉྕࠉ㸸 㸬⪃ᐹ 㸧㧗ᒸᒙࡢᚋ⫼ᆅࠉ ᮏ ሗ ࿌ ࡟ ࡼ ࡾ 㧗 ᒸ ᒙ ࡢ ♟ ᒾ ࡢ ♟ ✀ ࡣࠊࢳ࣮ࣕࢺ࡜◁ᒾࡀከࡃࢆ༨ࡵࠊᑡ㔞ࡢἾᒾࡸⅆᒣᒾࠊከࡃࡢ໬▼∦ࢆྵࡴࠋ▼஭࣭⏣ཱྀ㸦㸧࠾ࡼࡧᮏሗ࿌࡟ࡼࡿ࡜ࠊ㧗ᒸᒙࡢࢳ࣮ࣕࢺ♟ࡣ⅊ⓑⰍࠊ⅊Ⰽࠊ㯮ⰍࠊⲔⰍࢆ࿊ࡋࠊ㉥Ⰽࢳ࣮ࣕࢺࡣ࡞࠿ࡗࡓࠋᮏᆅᇦ࡟ศᕸࡍࡿ᯽ᮌࣘࢽࢵࢺ࠾ࡼࡧఫᒃ㝃ࣘࢽࢵࢺࡢࢳ࣮ࣕࢺࡣ୺࡟㉥Ⰽ㹼ⓑⰍ࡛࠶ࡿࡢ࡟ᑐࡋ࡚ࠊୖྜྷ⏣ࣘࢽࢵࢺࡢࢳ࣮ࣕࢺࡣ⅊Ⰽࢆ࿊ࡋ࡚࠸ࡿࡇ࡜࠿ࡽࠊ㧗ᒸᒙࡢࢳ࣮ࣕࢺ♟ࡣୖྜྷ⏣ࣘࢽࢵࢺࡢࢳ࣮ࣕࢺ࠿ࡽ⏤᮶ࡋࡓ࡜⪃࠼ࡽࢀࡿࠋࡲࡓࠊ◁ᒾ♟ࡣ୰⢏◁࠿ࡽ࡞ࡿ࣡ࢵࢣ㉁࡛ࠊୖྜྷ⏣ࣘࢽࢵࢺ࠾ࡼࡧఫᒃ㝃ࣘࢽࢵࢺࡢ◁ᒾ࡜ඹ㏻ࡍࡿࡇ࡜࠿ࡽࠊ࠸ࡎࢀࡢࣘࢽࢵࢺ࡛࠶ࡿ࠿㝈ᐃࡍࡿࡇ࡜ࡣ㞴ࡋ࠸ࠋࠉ ୍ ᪉ࠊ 㧗 ᒸ ᒙ ࡟ そ ࢃ ࢀ ࡿ ୰ ྂ ⏕ ⏺ ࡣࠊࢳ࣮ࣕࢺࡸⱞ㕲㉁ᒾࡢᒾሢࢆྵࡴἾᒾඃໃ◁ᒾἾᒾ࠿ࡽ࡞ࡿࠋᣦ⏣㸦㸧ࡣ㧗ᒸᒙ࡟㏆᥋ࡍࡿ୰ྂ⏕⏺ࡢ㯮ⰍἾᒾ࠿ࡽࢪࣗࣛ⣖୰ୡࡢᨺᩓ⹸໬▼ࢆሗ࿌ࡋ࡚࠸ࡿࠋ௒ᅇࠊ᪥࿴⏣ᒣࡢ໭すࡢᆅⅬࡢ⌛㉁Ἶᒾ࠿ࡽከࡃࡢᨺᩓ⹸
໬▼ࡀ⏘ฟࡋࠊࡑࡢᆅ㉁ᖺ௦ࡀࢪࣗࣛ⣖୰ୡ࡛࠶ࡿࡇ࡜ࡀ᫂ࡽ࠿࡜࡞ࡗࡓࠋࡇࡢ⌛㉁Ἶᒾ
ࡣୖ఩ࡢἾᒾ࡟そࢃࢀࡿࠋἾᒾ࡜⌛㉁Ἶᒾࡢ
ᆅ㉁ᖺ௦࡟ࡘ࠸࡚ࡣࠊᯇᒸ࣭ඵᑿ㸦㸧࡞࡝࡟ࡼࡾ⌛㉁Ἶᒾࡢ᪉ࡀྂ࠸ࡶࡢࡢ኱ࡁ࡞ᕪ
ࡣ࡞࠸ࡇ࡜࠿ࡽࠊἾᒾࡢᆅ㉁ᖺ௦ࡶࢪࣗࣛ⣖୰ୡ୰ᮇ࡛࠶ࡿ࡜⪃࠼ࡽࢀࡿࠋ㛵ᮾᒣᆅᮾ㒊ࡢఫᒃ㝃ࣘࢽࢵࢺࡢἾᒾࡢᆅ㉁ᖺ௦ࡀࢪࣗ
ࣛ⣖ྂୡᚋᮇ㹼ࢪࣗࣛ⣖୰ୡ๓ᮇ㸦ᣦ⏣㸪㸹ᯇᒸ㸪㸧ࠊୖྜྷ⏣ࣘࢽࢵࢺࡢἾᒾ
ࡢᆅ㉁ᖺ௦ࡀࢪࣗࣛ⣖୰ୡ๓ᮇ㹼ᚋᮇ㸦ᯇᒸ࣭ඵᑿ㸪㸧ࠊ᯽ᮌࣘࢽࢵࢺࡢἾᒾࡢᆅ㉁ᖺ௦࡛ࡣⓑள⣖ྂୡ㸦ᯇᒸ㸪㸧࡛࠶ࡿࡇ࡜࠿ࡽࠊ㧗ᒸᒙ࡟そࢃࢀࡓ୰ྂ⏕⏺ࡣୖྜྷ⏣ࣘࢽࢵࢺ࡟┦ᙜࡍࡿࠋᣦ⏣㸦㸧ࡣ㧗ᒸᒙࡢୗ఩ࡢ୰ྂ⏕⏺ࢆ㧗⏿ᒙ࡜ࡋ࡚࠾ࡾࠊ㧗⏿ᒙࡣᯇᒸ࣭ඵᑿ㸦㸧࡟ࡼࡿ࡜ୖྜྷ⏣ࣘࢽࢵࢺ࡟ྵࡲࢀࡿࡇ࡜࠿ࡽࡶୖグࢆᨭᣢࡍࡿࠋࠉࡋࡓࡀࡗ࡚ࠊ㧗ᒸᒙࡣୖྜྷ⏣ࣘࢽࢵࢺࡢᆅ㉁యࢆ୙ᩚྜ࡟そࡗ࡚࠸ࡿࡇ࡜࠿ࡽࠊ㧗ᒸᒙࡢ○ᒌ≀ࡣᚋ⫼ᆅ࡟ศᕸࡍࡿୖྜྷ⏣ࣘࢽࢵࢺࡢᆅ㉁య࠿ࡽ౪⤥ࡉࢀࡓྍ⬟ᛶࡀ㧗࠸ࠋ 㸧㧗ᒸᒙ࡜ᒣ୰ᆅ⁁ᖏⓑள⣔ࡢሁ✚ሙࠉᯇ୸࡯࠿㸦㸧ࡣࠊ㧗ᒸᒙࢆᒣ୰ᆅ⁁ᖏⓑள⣔ࡢ▼ᇽᒙୗ㒊ᒙ࡟ᑐẚࡋ࡚࠸ࡿࠋ኱ஂಖ࣭ᇼཱྀ㸦㸧࠾ࡼࡧṊ஭㸦㸧࡟ࡼࡿ࡜ࠊ▼ᇽᒙୗ㒊ᒙࡢ࢜ࣝࣅࢺࣜࢼࡸ▼⅊⸴ࢆྵࡴ♟ᒾᒙࡣࠊᚄ  ੉௨ୗࡢளゅ♟ࡀከࡃࠊ᭱኱  ੉࡟㐩ࡋࠊ♟✀ࡣࢳ࣮ࣕࢺࠊ▼⅊ᒾࡀከࡃࠊ௚࡟◁ᒾࡸἾᒾ࡛࠶ࡿࠋࢳ࣮ࣕࢺࡣ⅊Ⰽ࡞࠸ࡋ⥳Ⰽࢆ࿊ࡍࡿ㸦ୖ㔝࡯࠿㸪㸧ࠋᮏሗ࿌࡟ࡼࡿ࡜ࠊ㧗ᒸᒙୖ㒊ᒙࡢ♟ᒾࡣ࢜ࣝࣅࢺࣜࢼࡸ▼⅊⸴ࢆྵࡳࠊ♟✀ࡣࢳ࣮ࣕࢺࡀ㸣ࠊ◁ᒾࡀ㸣ࢆ༨ࡵࡿࠋࢳ࣮ࣕࢺࡣ⅊Ⰽ㹼⅊ⓑⰍࢆ࿊ࡍࡿࠋ♟✀࡟▼⅊ᒾࡀࡳࡽࢀ࡞࠸ࡀࠊ㧗ᒸᒙୗ㒊ᒙࡢ♟ᒾࡣ▼⅊ᒾࢆྵࡴࠋࠉ௨ୖࡢࡼ࠺࡟㧗ᒸᒙ࡜▼ᇽᒙୗ㒊ᒙࡢᒾ┦࡜⏘ฟ໬▼ࡀ㢮ఝࡍࡿࡇ࡜࠿ࡽࠊ୧⪅ࡢሁ✚ࡋࡓᚋ⫼ᆅ࠾ࡼࡧሁ✚⎔ቃࡣ㢮ఝࡋ࡚࠸ࡓ࡜⪃࠼ࡽࢀࡿࠋ▼஭࣭⏣ཱྀ㸦㸧ࡣᒣ୰ᆅ⁁ᖏⓑள⣔࡜㧗ᒸᒙࡣྠࡌሁ✚┅࡟ሁ✚ࡋࡓ࡜᥎ᐹࡋࡓࡀࠊࡑࡢྍ⬟ᛶࡀ㧗࠸ࠋ୍᪉ࠊTakei㸦㸧࡟ࡼࡿ࡜ࠊ▼ᇽᒙୗ㒊ᒙࡢ◁ᒾ࡟ࡣᑡ㔞ࡢⰼᓵᒾ㢮ࡸ㯮㞼ẕࡀྵࡲࢀࡿࡀࠊ㧗ᒸᒙࡢ◁ᒾ࡛ࡣࡑࢀࡽࢆ☜ㄆ࡛ࡁ࡞࠿ࡗࡓࡇ࡜࡟ࡘ࠸࡚ࡣࠊ௒ᚋ᳨ウࡋࡓ࠸ࠋࠉᑠἨ㸦㸧ࡣᒣ୰ᆅ⁁ᖏⓑள⣔ࡢሁ✚┅ࡣ⌧ᅾࡢศᕸࡼࡾᖜࡀᗈ࠿ࡗࡓࡶࡢࡢࠊ㛗⣽࠸ሁ✚┅ࢆᙧᡂࡋ࡚࠸ࡓ࡜᥎ᐃࡋࡓࠋᒣ୰ᆅ⁁ᖏࡢ໭⦕ࡢ▼ᇽᒙ࡜⛛∗ᖏ໭ᖏࡢᆅᒙࡢ㛵ಀ࡟ࡘ࠸࡚ࠊṊ஭㸦㸧ࡣ᩿ᒙ㛵ಀ࡜ࡋࡓࡀࠊᯇᕝ㸦㸧ࡣഴᩳ୙ᩚྜ࡜ࡋࡓࠋᑠἨ㸦㸧ࡣ୧⪅ࡀ᩿ᒙ࡛᥋ࡋ࡚࠸ࡿࡀࠊࡶ࡜ࡶ࡜ࡣ୙ᩚྜ࡛࠶ࡗࡓ࡜⪃࠼ࡓࠋᇸ⋢⥲఍୰࣭ྂ⏕⏺ࢩ࣏ࣥࢪ࣒࢘ୡヰே఍㸦㸧࡟ࡼࡿ࡜ࠊᒣ୰ᆅ⁁ᖏⓑள⣔ࡣୖྜྷ⏣ᒙࣘࢽࢵࢺ࡜⺬ᮌᒙ࡜᩿ᒙ㛵ಀ࡛࠶ࡿࡀࠊᮏ᮶ࡣ୙ᩚྜ࡛࠶ࡗࡓ࡜᥎ᐃࡋ࡚࠸ࡿࠋ⺬ᮌᒙࡣ㐟Ꮚᕝࣘࢽࢵࢺ࡟┦ᙜࡋࠊୖྜྷ⏣࣭ఫᒃ㝃ࣘࢽࢵࢺ࡜ࡣഃ᪉࡟₞⛣ࡍࡿ㛵ಀ࡛࠶ࡿ࡜ࡉࢀࡿ㸦ᯇᒸ࡯࠿㸪㸧ࠋࡇࢀࡽࡢࡇ࡜࠿ࡽࠊᒣ୰ᆅ⁁ᖏⓑள⣔ࡣ㐟Ꮚᕝࠊୖྜྷ⏣ࠊఫᒃ㝃ࡢࣘࢽࢵࢺࡢᆅ㉁యୖ࡟ሁ✚ࡋࡓ࡜⪃࠼ࡽࢀࡿࠋࠉ㛵ᮾᒣᆅᮾ⦕࡟ศᕸࡍࡿ㧗ᒸᒙࡣࠊୖྜྷ⏣ࣘࢽࢵࢺࢆ୙ᩚྜ࡛そࡗ࡚࠸ࡿࡀࠊఫᒃ㝃ࣘࢽࢵࢺ࡜ࡢ㛵ಀࡣ୙࡛᫂࠶ࡿࠋᇸ⋢⥲఍୰࣭ྂ⏕⏺ࢩ࣏ࣥࢪ࣒࢘ୡヰே఍㸦㸧࡟ࡼࡿ࡜ࠊ⛛∗┅ᆅ༡ᮾᆅᇦ࡛ࡣᒣ୰ᆅ⁁ᖏⓑள⣔ࡣ๐㸫㸫ᯇᒸ႐ஂḟࠉᇸ⋢┴᪥㧗ᕷ㧗㯇௜㏆ࡢᆅ㉁๤ࡉࢀࡓࡀࠊ㧗ᒸᒙ࡜ࡋ࡚ࢃࡎ࠿࡟ṧᏑࡋ࡚࠸ࡿ࡜⪃࠼ࡓࠋᯇᒸ࡯࠿㸦㸧ࡣ⛛∗┅ᆅࡢᮾഃࡢ⛛∗ᖏࡢୖ࡟ࡶⓑள⣔ࡀศᕸࡍࡿྍ⬟ᛶࢆᣦ᦬ࡋ࡚࠾ࡾࠊ௒ᚋࡢᡂᯝࢆᮇᚅࡋࡓ࠸ࠋㅰࠉ㎡ࠉᮏሗ࿌࡟࠾࠸࡚ࠊᇸ⋢┴❧ᑠ㮵㔝㧗ᰯࡢᑠᖭ႐୍Ặࠊᇸ⋢┴❧ᡤἑ୰ኸ㧗ᰯࡢᒸ㔝⿱୍Ặ࠾ࡼࡧୗோ⏣⮬↛Ꮫᰯࡢຊ⏣ṇ୍Ặࡢ᪉ࠎ࡟ࡣࠊ᭷ព⩏࡞ពぢࢆ࠸ࡓࡔ࠸ࡓࠋࡲࡓࠊᨺᩓ⹸໬▼ࡢ෗┿᧜ᙳࡣᇸ⋢┴❧ᕝ㉺㧗ᰯࡢ㟁Ꮚ㢧ᚤ㙾ࢆ฼⏝ࡉࡏ࡚࠸ࡓࡔࡁࠊᨺᩓ⹸໬▼ࡢ㚷ᐃ࡟ࡣࠊᮾ໭኱Ꮫࡢ㕥ᮌ⣖ẎẶ࡟ࡋ࡚࠸ࡓࡔ࠸ࡓࠋ௨ୖࡢ᪉ࠎ࡟῝ࡃឤㅰࡍࡿࠋᘬ⏝ᩥ⊩᪥㧗⏫ྐ⦅㞟ጤဨ఍࣭᪥㧗⏫ᩍ⫱ጤဨ఍⦅㸦㸧┠㧗⏫ྐ ⮬↛ྐ⦅㸬ᇸ⋢┴ධ㛫㒆᪥㧗⏫㸪p.
ಖ⛉ࠉ⿱㸦㸧㧗㯇ᮏ㒓ࡢᯖ≧⁐ᒾ㸬ᇸ⋢┴ࡢᆅ㉁㖔≀ࠉኳ↛グᛕ≀⥭ᛴㄪᰝ㸦ᆅ㉁㖔≀㸧ሗ࿌᭩㸪 ᇸ⋢┴ᩍ⫱ጤဨ఍㸬▼஭ࠉ㓨㸪⏣ཱྀ⪽ྐ㸦㸧㛵ᮾᒣᆅᮾ⦕㒊㸪ୗ㒊ⓑள⣔㧗ᒸᒙ㸬ᮾிᏛⱁ኱Ꮫ⣖せ㸪㒊㛛㸪㸸▼஭ࠉ㓨㸪⏣ཱྀ⪽ྐ㸦㸧ᇸ⋢┴᪥㧗⏫㸪㧗㯇ᕝ໭ᓊࡢୗ㒊ⓑள⣔㧗ᒸᒙ㸬ᮾிᏛⱁ኱Ꮫ⣖せ㸪㒊㛛㸪㸸ᑠἨࠉ₩㸦㸧ᒣ୰ᆅ⁁ᖏᮾ༙㒊࡟ศᕸࡍࡿⓑள⣔ࡢᒙᗎ࡜ᆅ㉁ᵓ㐀㸬ᆅ㉁㞧㸪㸸ᯇᕝṇᶞ㸦㸧ᒣ୰͆ᆅ⁁ᖏ͇ᮾᇦⓑள⣔
ࡢᆅ㉁㸬ᆅ㉁㞧㸪㸸ᯇᒸࠉ⠜㸪ᒣ໭ࠉ⪽㸪ᴬཎṇᖾ㸪ஂ⏣೺୍㑻㸦㸧௜ຍయᆅ㉁ࡢほⅬ࡟❧ࡗࡓ⛛∗⣼ᖏࡢࣘࢽࢵࢺ༊ศ࡜ᅄᅜす㒊ࡢᆅ㉁㸬ᆅ㉁㞧㸪㸸ᯇᒸ႐ஂḟ㸦㸧⛛∗ᖏ໭ᖏ㸪ᇸ⋢┴ᶓ℩⏫ⰱࣨஂಖ㹼㣤⬟ᕷୖྡᰩ࠿ࡽ⏘ࡍࡿࢪࣗࣛ⣖ᨺᩓ⹸໬▼㸬ᇸ⋢┴❧⮬↛ࡢ༤≀㤋◊✲ሗ࿌㸪㸸ᯇᒸ႐ஂḟ㸦㸧㛵ᮾᒣᆅ໭ᮾ㒊㸪⛛∗ᖏ໭ᖏࡢ᯽ᮌࣘࢽࢵࢺ㸫ᒾ┦㸪ᆅ㉁ᖺ௦࠾ࡼࡧ
ᾏὒࣉ࣮ࣞࢺᒙᗎ㸫㸬ᆅ⌫⛉Ꮫ㸪㸸ᯇᒸ႐ஂḟ㸦㸧㛵ᮾᒣᆅ㸪⛛∗ᖏ໭ᖏࡢ○ᒌᛶࢻ࣐ࣟ࢖ࢺᒾ㸫ࢳ࣮ࣕࢺ࡜ࢻ࣐ࣟ࢖ࢺᒾ࡟ࡳࡽࢀࡿሁ✚ᵓ㐀㸫㸬ᇸ⋢┴❧ᕝࡢ༤≀㤋⣖せ㸪㸸ᯇᒸ႐ஂḟ㸪ຊ⏣ṇ୍㸪ᑠᖭ႐୍㸪ᒸ㔝⿱୍㸦㸧⛛∗┅ᆅ᪂➨୕⣔ࡢ᭱ୖ㒊࡟ⰼᓵᒾ࡞࡝ࡢ♟ࢆྵࡴ♟ᒾሢࡢⓎぢ࡜ࡑࡢព⩏㸬ᆅ⌫⛉Ꮫ㸪㸸ᯇ ᒸ ႐ ஂ ḟ㸪 ඵ ᑿࠉ ᫛㸦㸧 㛵 ᮾ ᒣ ᆅᮾ㒊ࡢ⛛∗ᖏ໭ᖏࡢୖྜྷ⏣ࣘࢽࢵࢺ㸫
Striatojaponocapsa conexa ᖏ ࡢ ☜ ㄆ ࡜ ࡑ ࡢព⩏㸫㸬ᆅ⌫⛉Ꮫ㸪㸸ᯇ୸ᅜ↷㸪㡲⸨࿴ே㸪℩ྡἼࠉ௵㸦㸧ᇸ⋢┴ධ㛫㒆᪥㧗⏫㧗㯇ᕝἙᗋ࠿ࡽࡢ࢜ࣝࣅࢺࣜࢼ໬▼ࡢⓎぢ㸬ᆅ㉁㞧㸪㸸኱ஂಖ㞞ᘯ㸪ᇼཱྀ୓ྜྷ㸦㸧୓ሙᆅᇦࡢᆅ
㉁㸬ᆅᇦᆅ㉁◊✲ሗ࿌㸦  ୓ศࡢ  ᆅ㉁ᅗ
ᖜ㸧㸪ᆅ㉁ㄪᰝᡤ㸪p.
O̓DOGHERTY L, BILL M, GORIC AN S,
DUMITRICA P & MASSON H㸦㸧Bathonian radiolarians from an ophiolitic melangeof the Alpine Tethys㸦Gets Nappe, Swiss-FrenchAlps㸧㸬 Micropaleont 㸸ᇸ⋢⥲఍୰࣭ྂ⏕⏺ࢩ࣏ࣥࢪ࣒࢘ୡヰே఍㸦㸧㛵ᮾᒣᆅࡢ୰࣭ྂ⏕⏺◊✲ࡢ⌧≧࡜ㄢ㢟㸬ᆅ⌫⛉Ꮫ㸪㸸ᣦ⏣຾⏨㸦㸧㛵ᮾᒣᆅᮾ⦕㒊ࡢ⛛∗ᖏ໭࣭୰ᖏ㸬ᆅᏛ㞧㸪㸸῰㇂ࠉ⣫㸪ᇼཱྀ୓ྜྷ㸦㸧㛵ᮾᒣᆅᮾ⦕㒊࡟ⓑள⣖ᒙࡢⓎぢ㸬ᆅ㉁㞧㸪㸸
Sykora M and Ozvoldova L㸦㸧Lithoclastsof middle Jurassic radiolarites in debris flow
sediments from Silica Nappe㸦locality Bleskovy
pramen, Slovak Karst, Western Carpathians㸧㸬
Min Slov, 㸸 Bratislava.
Ṋ஭᫾᭾㸦㸧ᒣ୰ᆅ⁁ᖏᮾ㒊ⓑள⣔ࡢᒙᗎ࡜ᵓ㐀㸬ᆅ㉁㞧㸪㸸
Takei K㸦㸧Development of the Cretaceous
sedimentary basin of the Sanchu Graben,
Kanto Mountains, Japan. Jour Geosci Osaka
City Univ, 㸸ୖ㔝ࠉග㸪ஂ⏣೺୍㑻㸪ཎࠉⱥಇ㸦㸧୕ᓟᆅᇦࡢᆅ㉁㸬ᆅᇦᆅ㉁◊✲ሗ࿌㸦  ୓ศࡢ  ᆅ㉁ᅗᖜ㸧㸪⏘⥲◊ᆅ㉁ㄪᰝ⥲ྜࢭࣥࢱ࣮㸪p.
Ώ㑔㈗ኸ㸪ᆏࠉᖾᜤ㸦㸧㛵ᮾᒣᆅ⛛∗⣼ᖏⓑள⣔ࡢሁ✚┦㸬᪥ᮏᆅ㉁Ꮫ఍➨ᖺᏛ⾡኱఍ㅮ₇せ᪨㸪S㸫㸫