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Key Words : Hayachine-Miyamori ophiolite, island arc evolution, ophiolite pulse, South Kitakami.
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Key Words : carbonaceous material, contact metamorphism, Raman spectroscopy, thermal modeling
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Key Words : elastic wave velocity, gabbro, oceanic crust, Oman ophiolite, piston-cylinder high-pressure apparatus, porosity.
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Key Words : 3D seismic survey, accretionary prism, fluid migration, methane hydrate, uplift.
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Key Words : Abukuma Highland, Cretaceous granitoids, U-Pb age, zircon.
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Key Words : geochemistry, mineral characteristics, provenance reconstruction, P-T estimate, South Altay orogenic belt, ultrahigh-temperature granulite.
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Key Words : active fault, backthrust, Isurugi fault, LiDAR,thrust fault, trenching.
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ÈÓÅÄÏÂÌ顦´ä¿¹ ¸÷¡¦ÀÞ¶¶ÍµÆó¡¦Taeho Park¡¦Yong-Joo Jwa¡¦Sung-Tack Kwon¡¦Ãɸ¶ Å°¡¦´äÌî±Ñ¼ù
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¤Ê°ÜÆ°¤òÀâÌÀ¤¹¤ë¥â¥Ç¥ë¤È¤·¤Æ¡¤³¤ÎæÄÀ¤ß¹þ¤ß¤ÈÄÀ¤ß¹þ¤ß³ÑÅÙ¤ÎÊѲ½¤¬¹Í¤¨¤é¤ì¤ë¡¥¿ôÃÍ·×»»¤Ë¤è¤êξ¥â¥Ç¥ë¤ÎÍÏÍ»Îΰè¤ò·×»»¤·¡¤´Ñ¬¤È¤ÎÈæ³Ó¤ò¹Ô¤Ã¤¿¡¥³¤ÎæÄÀ¤ß¹þ¤ß¥â¥Ç¥ë¤Ç¤Ï¡¤¥»¥°¥á¥ó¥È¤òȼ¤Ã¤¿45 kmÉý¤Î¥ê¥Ã¥¸¤¬1.6 cm/yr¤ÇÄÀ¤ß¹þ¤à¤³¤È¤Ë¤è¤êÍÏÍ»Îΰ褬¤ª¤è¤½ºÆ¸½¤Ç¤¤ë¤³¤È¤¬Ê¬¤«¤Ã¤¿¡¥°ìÊý¤Ç¡¤ÄÀ¤ß¹þ¤ß³ÑÅÙ¤ÎÊѲ½¤ÇÀâÌÀ¤¹¤ë¾ì¹ç¡¤ÄÀ¤ß¹þ¤ß³ÑÅÙ¤¬37°¤«¤é20°¤ËÊѲ½¤¹¤ë¤³¤È¤Ë¤è¤ê¡¤Ãʳ¬Åª¤Ê»þ¶õ´ÖÊѲ½¤òºÆ¸½¤Ç¤¤ë¤³¤È¤¬Ê¬¤«¤Ã¤¿¡¥³¤ÎæÄÀ¤ß¹þ¤ß¥â¥Ç¥ë¤ÎÊý¤¬¡¤²ÐÀ®³èÆ°¤¬Á´ÂΤȤ·¤Æ¸Â¤é¤ì¤¿´ü´Ö¤Ëµ¯¤³¤ëÅÀ¤ò¤è¤êÎɤ¯ÀâÌÀ¤¹¤ë¡¥
Key Words : age, granite, heat source, ridge subduction, SW Japan, zircon.
ÊѼÁ¶ìÅ´¼Á´ä¤ÎǯÂå¤òÈïÇ®Êì´ä¤Î¥¸¥ë¥³¥óFTǮǯÂå¬Äê¤Ë¤è¤Ã¤Æ·è¤á¤ë¡§ÆüËܳ¤³ÈÂç´ü¤Î²Ð»³³èÆ°¥¿¥¤¥ß¥ó¥°
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Key Words : apatite, dolerite, fission track dating, fission track thermochronometry, geochronology, Japan Sea opening, mafic intrusion, Miocene, Southwest Japan, zircon.
Ãæ±û¥Á¥Ù¥Ã¥È¡¤ÆîÉôQiangtang¥Æ¥ì¡¼¥ó¤ÎÉÕ²ÃÂÎÃæ¤Î¥À¥¤¥¢¥Ù¡¼¥¹¤ÎÀ®°øÏÀ
LhasaµÚ¤ÓQiangtang¥Æ¥ì¡¼¥ó´Ö¤ÎBangong-Nujiang¡ÊBNS¡ËË¥¹çÂӤϡ¤½ÅÍפʶ³¦¤òÀê¤á¡¤¤½¤Î´äÀгØŪÀ®°ø¤Ë¤Ä¤¤¤Æ¤Ï¤è¤¯¤ï¤«¤Ã¤Æ¤¤¤Ê¤¤¡¥ÆîÉôQiangtang¥Æ¥ì¡¼¥ó¤ÎÉÕ²ÃÂΤΥÀ¥¤¥¢¥Ù¡¼¥¹Ãæ¤Î¥¸¥ë¥³¥ó¤Ï181.3 ± 1.4 Ma¤ÎU-PbǯÂå¤ò¼¨¤¹¡¥¥À¥¤¥¢¥Ù¡¼¥¹¤Ï¥½¥ì¥¢¥¤¥È¼Á¸¼Éð´äÁÈÀ®¤Ç¤¢¤ê¡¤¤ä¤ä·Ú´õÅÚÎีÁǤËÉÙ¤à¥Ñ¥¿¡¼¥ó¡¤¤µ¤Þ¤¶¤Þ¤ÊÄøÅÙ¤ËÉÙ¤àÉÔŬ¹ç¸µÁÇ¡ÊTh, Rb¤Ê¤É¡Ë¡¤HFS¸µÁÇ¡ÊNb, Ta¤Ê¤É¡Ë°Û¾ï¤ò·ç¤¯ÅÀ¤Ç¡¤¥¨¥ó¥ê¥Ã¥Á¤·¤¿Ãæ±û³¤Î渼Éð´ä¡ÊE-MROB¡Ë¤ËÎà»÷¤¹¤ë¡¥ÁêÂÐŪ¤Ë¶Ñ¼Á¤ÊÁ´´äNdƱ°ÌÂÎÁÈÀ®¡ÊεNd¡Êt¡Ë=7.3-9.1¡Ë¤È¥¸¥ë¥³¥ó¤ÎHf-OƱ°ÌÂÎÁÈÀ®¡ÊεHf¡Êt¡Ë=14.8-16.1,δ18O=4.57-6.12 ‰¡Ë¤Ï¡¤Ãϳ̤κ®À÷¤¬¤Û¤È¤ó¤É¤Ê¤¯¸Ï³é¤·¤¿¥Þ¥ó¥È¥ë¤¬Í»²ò¤·¤¿¤³¤È¤ò¼¨¤¹¡¥Á´´ä²½³ØÁÈÀ®ÊѲ½¤«¤é¥À¥¤¥¢¥Ù¡¼¥¹¤ÏBangong-Nujiang³¤¤ÎÃæ±û³¤Îæ¤È¥×¥ë¡¼¥à¤ÎÁê¸ßºîÍѤˤè¤Ã¤ÆÀ¸¤¸¤¿¤È¹Í¤¨¤é¤ì¤ë¡¥
Key Words : diabase, petrogenesis, Qiangtang terrane, Tibet, zircon Hf-O isotope.
¡ÎThematic Article¡ÏPetrogenesis and chemogenesis of oceanic and continental orogens in Asia: Recent progress, Part II
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Key Words : exhumation, normal faulting, phengite K-Ar ages, Sambagawa metamorphic rocks.
¡ÎThematic Article¡ÏCarbonate sedimentation on Pacificcoral reefs, Part II
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m2¡¿Ç¯¤Ç¡¤¼þ°Ï¤ÈÈæ¤Ù¤ÆÃø¤·¤¯Â¿¤¯¡¤¤³¤ì¤Ï³¤ÁðÁô¾ì¤¬ÂÏÀÑʪ¤ò¥È¥é¥Ã¥×¤¹¤ëµ¡Ç½¤òͤ·¤Æ¤¤¤ë¤³¤È¤ò¼¨¤¹¡¥¤³¤Î¤è¤¦¤Ë¡¤Î°µåÎóÅç¤Î³¤ÁðÁô¾ì¤Ç¤Ï¡¤Â¿Î̤ÎÂÏÀÑʪ¤¬Î®Æþ¤·¤Æ¤¤¤ë¤Ë¤â´Ø¤ï¤é¤º¡¤ÂÏÀÑ®ÅÙ¤¬¶Ëü¤ËÃÙ¤¯¡¤Î®Æþ¤·¤¿ÂÏÀÑʪ¤Î¤Û¤ÜÁ´¤Æ¤Ï³¤ÁðÁô¾ì¤Î³°¤Ø°ÜÆ°¤·¤Æ¤¤¤ë¤È»×¤ï¤ì¤ë¡¥
Key Words : carbonate, Ryukyu Islands, seagrass, seagrass bed.