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1 The Quaternary Research /+, p 0/ 12,*+,,*+* : * * +/* +* -* : I, +,* II,*++ +, +3,*+,, ++ * +3, * suzukit@tmu ac jp

2 66 /+, +, AdV : BnV : NmC : SnC : NrToOnC : NsV : SoC : TkV : NyV : NtV : OhV : IiV : AkV : HrV : SrH : TkH : NsP : KtH : UrH : TmH : HgU : FK : AZ: KR: UT: KN: MB: MT: cm +333 b +33* a,**

3 ,*+, 67 BT1, -3 ka :,**+ ;,** 1 +33/ ;,,**/ APm,,*++ + Ma +3/*,**2 +3/1 ; +30, ;,*++,*++ +30/ III * +33* a +33, ; +332,** ; +333 a,**0 ;,*+* + +, Suzuki +330 * +, +/, - +,,1,,**1 +4- *4* kyr - *412 *4* DRE : *4+3 *4*+ km MIS /4/ kyr,**2 +33, +33- Suzuki +33, - +4/ Ma +332,** *41 Ma +/* ka + +* +33* a +33, * + +/* ** ka APm APms : +33* +332,**,**1,**2 Soo OT :,** Suzuki +330

4 68 /+, - M : HT : KR : +33- LD : PFLC : +33- PS : Lisiecki and Raymo,,**/,***

5 ,*+, CC : SPC : SB :

6 70 /+, + Suzuki a,**,1 ++ TG +4* *4*- kyr,** TG - *4// *4*/ DRE : *4+- *4*+ km kyr +333b MoP, - +33* + *4+ km kyr +33* a + MoP,,**1 MoP MoP +, ,* /* -* MoP

7 ,*+, 71 +* MoP +32- ;,**2 MoP +33+ ; +333 b +33+, +33, +333b,**/ +-4/ 2 Ma 2 /4- Ma / Ma co-ignimbrite ash-fall deposit +41 * Ma Sparks and Walker, / Ma + Ma,**2,*++

8 72 /+, MIS ++ MIS +* +43, Ma, +4*+ Ma, +4,+3 Ma -,*++ ; Suzuki et al,,*++ MIS * km a Izo KT a :,**+ a +33+,1 2* TG NmoSB : - km,** TG +,3-4* ka - *4- km kyr,**2 co-ignimbrite ash-fall deposit - + *4+ km kyr +33* *4*3 km kyr +31, / /* +33/ +31/ KMT : 0,* ka,*** a ;,** ;,** ;,**/ ;,*+* +31, - / A C A ++ - Hko TAu ++ : +31 : MIS 0,*+* / B MoP +323 MoP Huo TK,** +/* ka, Kno KD,** ka MIS /4/,**,** +/* ka,**+,**1 MoP,,*,-* ka MIS 1 MIS 0 MIS /,*** b 1 MIS 14,**2 APm MoP

,*+, 73 / KaS : TbS : KtH : UrH : TmH : *4- m,*+* MIS 0 B MIS 0 A +* m MIS 0 MIS 14- +32+ MIS 14- MIS 1 MIS 0,*++ MoP C

9 ,*+, 73 / KaS : TbS : KtH : UrH : TmH : *4- m,*+* MIS 0 B MIS 0 A +* m MIS 0 MIS MIS 14- MIS 1 MIS 0,*++ MoP C MIS MoP 0 MoP,*++ / +323 MIS 14- D MIS 0 Atao Th :,**- BT1,,**+,** ;,**/ MIS 2 MIS 0 MIS +* HkoTAu - / ++ A MIS 0 MIS /

10 74 /+, Ma, 030- MIS +* 2, + 2* * m MIS MIS /4/,**+ b +313 MoP Shackleton, * b ;,**1,**2 SooOT +32/, / 0*,,**1,**2 +32/ - KMT MIS , 0220,2 ka MIS /4/,*** a ;,**0 ; Suzuki,,**2 MIS +14- MIS +04, - MIS +04, +31* 2* +310 ; +32/ IV Suzuki,,** ,

11 ,*+, 75 +* p +33/ 3* +3/,+,**2-2 p,*** -3 p +30/ : -12 p,,*++ /2 +32/, Lisiecki, LE and Raymo, ME (,**/) A Plioceneo,*+* Pleistocene stack of /1 globally distributed benthic d O records Paleoceanography,,*, PA +**-, doi : * +*,3 /,** PA **+*1+,*,**- --0 p / +-0 +* *, UP +-/ p +33- : ,*++ /* 30*,** - +3/1 EDS /,**2 MD*+,, *1 -/,**1 TKN,** +30,

12 76 /+, 0 -*/ -,/ canology and Geothermal Research,,, -, ,/ Ser A, 0, 1/ 3,**0 +33* a no -0 +*0,* 33 0* 1/ +*1 +33* b -,--,,**/ BT1, +33, no -/ / -1,/+,0- +33* -,*+,+,* *- +,* Suzuki, T ( +33, ) Stratigraphy of tephra layers from the latter half of middle Pleistocene to late Pleistocene in the ChubuoKanto area, central Japan Geographical Reports of Tokyo Metropolitan University,,1,,3 /-,** *, 1-3*,*++ Q+-3 P Suzuki, T ( +330) Discharge rates of fallout tephra and ** frequency of plinian eruptions during the last **5*** years in south Northeast Japan Arc Quaternary,**2 International, - -0, 1321,*++,*** a Q+-3 P* Ser A 1- +,/ - :,,,,,,*** b XIII +31, : ,- /++ /+1,**+ a / 0 +31/ / + /3 p *, ,**+ b,1 0// 00,**2 +313, - : -1-/, -*,03, Suzuki, T (,**2) Analysis of titanomagnetite within / + /* p weathered middle Pleistocene KMT tephra and its application for fl uvial terrace chronology, Kanto Shackleton, N J ( +321 ) Oxygen isotopes, ice volume Plain, central Japan Quaternary International, +12, and sea level Quaternary Science Reviews, 0, ,1, +3* Sparks, RS J and Walker, GPL ( +311 ) The significance of vitric-enriched air-fall ashes associated +33* APm,3 +*/ +,* with crystal-enriched ignimbrites Journal of Vol- +33

13 ,*+, a -* +* 0 0, 0- :,**2 /* b,*++ / + 2/ p,**0 +,* : /1 +1,2,**1-1 3/ +*0 :,** MIS 1 / , ,**,**1 SPP,*+* +++ -** TAu++ MIS / 0,**+ +,*+* HQR*+* P -10 p *+/ +33+ Suzuki, T, Obara, M, Aoki, T, Murata, M, Kawa- 31,-+,3 shima, S, Kawai, M, Nakayama, T and Tokizane, K (,*++) Identification of Lower Pleistocene tephras Ardiansyah, POD under Tokyo and reconstruction of Quaternary crustal movements, Kanto Tectonic Basin, central,**/ +3/,+0 Japan Quaternary International,,0,,1,/3,**+ +33/ *,- - /3 / ,*+* +33, / + 3* p 32,+ -2

14 78 /+, The Paper for the,*+* Japan Association for Quaternary Research Academic Award Review and perspective on Quaternary tephrochronology in the north Kanto and south Tohoku regions, northeast Japan Takehiko Suzuki* This paper reviews the tephrochronological quency of explosive eruptions (plinian and studies carried out in the north Kanto and sub-plinian eruptions) and the eruption rate of south Tohoku regions, Northeast Japan Arc It fallout tephras of each volcano Studies on the concludes that the stratigraphy, distributions, ages, and source volcanoes of major tephras stratigraphy of ignimbrites derived from Lower Pleistocene calderas in the Aizu area and correerupted during the last ** kyr have been lation of associated co-ignimbrite ash-fall demostly clarified, and a revised time-space dia- posits in distal areas were reviewed with pregram showing the chronology of tephra, vol- liminary estimation of the eruption rate Morecanic activity, terrace surfaces, hills, and Qua- over, the author reviewed chronological studternary sediments during the last +4/ my is ies on the Middle Pleistocene terraces and hills shown Here, the author considers several Qua- in inland areas and pointed out that buried ternary problems based on the revised chronol- valleys have been formed during di# erent lowogy, and discusses unsolved issues in Quater- stands of sea level in coastal areas Additionnary studies in these regions ally, it is revealed that there are some disagree- By revising the eruptive histories of ten vol- ments among researchers over recognition of canoes including two calderas during the last source volcanoes of tephras and determination -**5*** years, the author reexamined the fre- of ages of hills and buried valleys Keywords : tephrochronology, eruptive history, terrace, hills, buried valley * Department of Geography, Tokyo Metropolitan University + + Minamiosawa, Hachioji, Tokyo, +3, *-31, Japan suzukit@tmu ac jp

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