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Palynological Investigation of the Holocene Asahi Submerged Forest in Toyama Prefecture, Central Japan : Palynological Invesigations on the Quaternary System in Japan (2)

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(1)

Palynological Investigation of the Holocene Asahi Submerged Forest in Toyama Prefecture, Central Japan : Palynological Invesigations on the Quaternary System in Japan (2)

著者 Fuji Norio

journal or

publication title

金沢大学教育学部紀要 自然科学編 = Bulletin of the Faculty of Education, Kanazawa University.

Natural science

volume 21

page range 93‑108

year 1972‑12‑15

URL http://hdl.handle.net/2297/22319

(2)

93

PalynologicallnvestigationoftheHoloceneAsahiSubmerged

ForestinToyamaPrefecture,CentralJapan*

-PalynologicallnvestigationsontheQuaternarySysteminJapan(2)-

NorioFUJI**

lntroduclmn

TheAsahisubmergedforestissituatedinthenorthernpartofToyamaPrefecture,

CentralJapanTheforestwasdiscoveredfirstbyShojiFuJエエoftheToyama Universityinaboutl963.Theforestisrecentlyfamousforagoodevidenceshowing thesubsidenceofgroundtogetherwiththeUozusubmergedforest(FuJエ,1971).

Thepresentreportisthesecondoftheseries,‘`RZJylzo〃gicaノI)zひCsメガ,α〃o"so〃メルe Q"α彫γ”γySys2B”′〃JZZPα",,、Thescopeofthisarticlepaperisthedeterminationof theageofthisforest,palaeoclirnaticconditlonunderwhichtheforestwasgrowingup andgeographicalenvironmentfromtheVieWpointofpalynologicalinvestigation.

Acknowledgements

HerethewriterwishestorecordhissincerethankstoDr・ShojiFuJIIofthe ToyamaUniversityforhiskindadvicesamplingforthepalynologicalstudyand informationonthestratigraphyoftheAsahisubmergedforest,andalsotoDr、Professor TsuneoXIsHIMAofthelnstituteofWood,KyotoUniversityfortheidentificationof somefossilerectsturnps・ThewriterexpresseshisappreciationtotheMinistryof EducationofJapaneseGovernrnentforsupportfrorntheScienceExpenditureFunds.

GeologicalDescriptionandRe8ultof14Cd2UtingofErectStumpB

TheAsahisubrnergedforestissituatedatDaiya,AsahiTowninthenorthern partofToyarnaplaininToyarnaPrefecture・TheAsahidistrictoccupiesthenorthern marginoftheKurobefan,andischaracterizedbythes"5"z”,ccガforestandanerosion ofthecoastofJapanSea

lntheAsahidistrictthereisasmallcoastalsanddunewhichseemstobeformed inthelateststageofYayoianageortheearlystageofO1dtumbage,about1,500 yearsbeforethepresent・ThemarginalsedimentoftheKurobefanhasbeenerodedby wavesyearafteryear・ThesubmergenceofthecoastisnotonlyfoundattheAsahi district,butalsowidelyinthecoastalareasofToyamaPrefecture・Thephenomenon hasbeencontinuingforyearsandthisisverifiedbytheresultsofthelevelingsurvey,

*ReceivedSeptember7,1972;theContributionfromthelnstituteofEarthScience,Facultyof Education,KanazawaUniversity,NewSeriesNo、29;readJune20,1965,atthe90thMeetingofthe PalaeontologicalSocietyofJapanheldatKanazawaUniversity.

**InstituteofEarthScience,FacultyofEducation,KanazawaUniversity.

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第21号昭和47年 94金沢大学教育学部紀要

andparticularlybytheexistenceofsomesubmergedforests、

Thedistributionofthesubmergedforestisaremarkablecharacterinthecoastal areasofToyamaPrefecturetogetherwithasubmarinecanyon、

ThestudiedareaextendsaboutlOkminlengthfromeasttowestand5kmin width,andcoversalmost50sqkm・

IntheXurobefantherearesomeboringdata,judgingfromtheseboringdatathe

depositsatadepthof40metersto30metersbelowthepresentsealevelsuggestthat theymighthavebeensedimentedintheearlystageoftheHolocenetransgressionwhich isusuallynamedas1VboZ〃"Zcノγα,、soγesszo〃or〃α"Cfγ'α〃ノァα,zs9γesszo".Thesedeposits

arecomposedofsandyclayormuddysandandoverliethegravellayerwhichindicates

thelowsealevelduringtheWiirmglacialstage、ThedepositsduringtheHolocene majortransgressionarefoundbetwee、

about40or30metersbelowthepresent sealevelandabout5metersabovethe presentsealevel,andaretracedwidely intheKurobefanarea,thissuggests thattheareahadbeensubmergedafter thetimeoftheHolocenemajortransg‐

ressionThesedimentsoftheKurobe fanaremainlycomposedofgravel,thin sandandclaylayers,andcoverthe marinesedimentsbelongingtothetime oftheF1andriantransgression・

Thesubmergedforestshavebeen foundfromsomelocalitiesalongthe coastofToyamaBaysinceadiscovery oftheUozusubmergedforest・The Asahisubmergedforestyieldedsome erectstumpsofwoodwhichhavebeen identifiedasfollows:

`祷蕎≦

ll1lillF篝illi鑿iiiii

、】

Cij》

identitiedas10110ws:

Fig.1.Indexmapshowingthelocalityofthe

samplesfromDaiya,AsahiTown,Toyama AJ""s〃γs#αTiiRsTAvar.s'鹿γjcdz

Prefecture,CentralJapan. A、ノUZPo"伽STEuD X:Samplinglocality

C〃P‘""ssp・

Zb晩oDaseγγαZaMAKINo

Cγjlカメo”eγ'αノcZPo噸oaD、DC頂

Theseerectstumpslaybetween1.0meterand2.Ometersabovethepresentsea

level・Amongthemabout30percentoftheerectstumpsbelongtoCγ〃fo"z”za

j”o"jczZD、DON,andAJ""sノヒZPo"′caSmuDoccupiesaboutl5percent・AJ""s

(4)

FUJI:PalynologicallnvestigationoftheHoloceneAsahiSubmergedForest 95

”PC噸czzSTEuDgrowsnearaswampyarea atthepresent,andCγ〃メo”eγjαノ〃o"jca D・DoNgrowsinplacesnotexposeddirectly totheseabreeze・Thepresentlocationin wheresomeerectstumpswerefoundisthe strandlineofToyamaBay、

Thestumpsaredistributedinthearea measuring300metersinlengthalongthe coastallineofDaiyainAsahiTown・In thisareaageologicalunitisclassifiedinto

cobble,coarse-grainedsand,clay,thickpeat,prese"tsea_/eUel fine-grainedsandwithpotterieswhich

〃ノWesQ"。

/inesQnd妙jオノbpotZeblofclay JqteYbgoijDe7jod pee2

clay peat coq7sesα〃d

co66に

■■■■■

●■●●●●■■■

鍔811?;:

belongtotheOldtombage,clayandwhiteFig、2.ColumnarsectionattheLocalityNo・l26

ofDaiya,AsahiTown,ToyamaPrefect- sanddepositsinascendingorder・The

ure,CentralJapan

coarse-grainedsandincorporatestwolayers ofthinpeatanderectstumps・The

fine-grainedsandlayeroccupiesbetweenlmeterand2metersabovethepresentsea levelatthestrandline・

ThetreesofthoseerectstumpsgrewinthisareaaftertheFlandriantransgression andbeforetheOldtombperiod・Thepeatlayersanalysedinthepresentinvestigation areclassifiedintothinpeatlayerwithcoarse-grainedsandandthickerpeatlayerwhich coverstheclaylayerinascendingorder・

AsamplefromtheerectstumpsfoundintheAsahisubmergedforestwasdatedby Dr・KunihikoKIGosmoftheGakushuinUniversity,andtheresultof14Cdatingisas

follows:

CodeNo.GaK-540;apeaceoftheerecttreestump,CγjlPjo”eγjαノ6Z'0噸czzD、DoN foundfromonelocality,oftheAsahisubmergedforest36。57.4′inNLat.,137.34′in E,Long.,alongthecoastline,Daiya,AsahiTown,ToyamaPrefecture;samplingby ShojiFuJIエ;1,560±110yearsbeforeA.D、1950.

PalynologicalDegcription

Todothepresentpalynologicalinvestigationl4samples,aUsamplesarepeat lithologically,froml41ocalitiesofDaiya,AsahiTownwereanalysed・Theassemblages ofthepollengrainsandsporesfoundareshowninthepollendiagram・Amongthose microfossils,Cγ”to”eγiα,A伽"s,Tγ'00IPOγαZepollengen、indet・andPjJzSPoγe〃are abundant,rangingfrom6to20percent、Ca”j""s,〃9Jα’0s,P'eγoczzγyα,Ftz9Wsand Rノク"sarecommon,showingafrequencyof4to5percent,andtheothergeneraare

(5)

第21号昭和47年 96金沢大学教育学部紀要

rare.cγ”'0池”jaisabundant,21percent ofthetotal,especiallyinthisarea.

Cγ〃わ…ゾノα,Q"eγcz`sandP‘たSPOγe〃are abundant,andaphenomenonthatthose generaareabundantissupportedbythe erecttreestumpsfromtheAsahiforest・

Theerecttreestumrsareidentifiedtobe

A腕妬”p018iczZ,Ca”‘""ssp.,AJ"z`s 腕γs#αTuRsTAvar・駆鹿γ'CCZ,Zbノノbozノa sBγγαjaandCγjlPZo”cγ`αノcZPo"jczz・

Amongtheseerectstumps,CγjlPオ0110cγza jZZp0”czZoccupiesabout30percentand A吻妬ノZZp0"iczZaboutl5percent・Even theplantswhichdonotremainas

PiEPc A6ics LQr砿 C7yPtomerm Cpcas Al1w8 UlmU8 My7iopAy〃um ZelAOmz CnrPinuS Co”lu8 Tilia Ju月10几s PterOcC7Um Fb“sGer“ium Jle工 Nymphaeaceae Acer E「icaceae Slzliエ ノVupAc7

〃eDwmMAes Sapotaceae MqJmoljα jWhms RAanwls Que7ctJ8

〃edera TricoIporatepolIen POIに〃iCcscf.【@GsⅦsR・Pot・

PDI化nilescfge、皿jntJsR・Pot・

Pollenitesgen、indetsp・a Pollengenindet、

Pollenile8cf・EdmImdfR、Pot・

MonosuIcatepollen Meh「zelligePilzsporen ZweizelligePilzsporen

:;鵬.f説).)9.,.indel.

20%10

UollemDiagram(Asahi,locaIityn0.125)

fossilwoodsmaybeidentifiedbytheir

AFi9.3.Diagramshowingtherelationshipbetween fossilpollengrainsorspores,

fossilpollengrainsandsporesfromthe Palynologicalinvestigation,therefore,HolocenedepositsfromDaiya,AsahiTown,

ToyamaPrefecture,CentralJapan、

isimportantfortheinterpretationofthe

ancientflora・Judgingfromtheerecttreestumpsandpollenanalysis,Cγ”ノo"”jα ノヒZPo"jczZmighthavebeenadominantplant、AsAJ""sノ〃0噸czz,〃9Jα,zsand Q〃20””jαノZZPo"jczzshowahighfrequency,theenvironmentmayhavebeen aswampyorriparianlowlandnotexposedtoaseabreeze,becausegenusCγjlPノo””ja growsgenerallyinanareanotexposetoaseabreezeatthepresenttime・Theforest ofQ〃メo””zamaybeconsideredtobeanalogoustothosefoundinthetemperate regionofJapaneseIslands.

ConcluBion

TheresultofthepalynologicalinvestigationabouttheAsahisubmergedforestis

summarizedasfollows:

(1)TheageofformationoftheAsahiforestseemstobethelatestYayoior earliestO1dtumbperiod,about1,600or1,500yearsbeforethepresent.

(2)TheageinwhenmanytreesforlningtheAsahiforestweregrowingup,in thisareaseemstobeabout4,O00toaboutl,500yearsbeforethepresentfromthe viewpointofthepalynologicalandgeologicalinvestigationsonthepeatlayersand somecoastalsanddunes,andalsotheresultof14Cdatingofthesubmergederecttree stumps.

(3)Thecauseofformationofthesubmergedforestisduetotherisingofsea

(6)

FuJI:PalynologicallnvestigationoftheHoloceneAsahiSubmergedForest 97

Ievelratherthanthesinkingofground・Therisingofsealevel,mmortransgression narnedasYtzyoiα〃ノアα"99'98s20",belongstoafterthelatestYayoiorOldtumbperiod

chronologically,about1,500yearsago.

(4)Thepalaeoclilnaticconditionunderwhichthetreesweregrowingupbefore

theformationofthes"&ノリz”gecJforestwascoolerthanthatofthepresenttime・

Accordingtothewriter,sinvestigation,thecharacteristicplantsarethemixedflora

ofevergreenanddeciduousbroad-1eavedtreesandFzZg"Sc”"α'αinthecoastalplain ofHOkurikuregion.Itisaboutloto2oC1owerthanthepresenttimeinaverage

temperature・Thedecreasingwarmstagemayalmostcorrespondwiththetimeofthe

minorfallingofsealevel,thatis,fpomthemiddleageoftheThirdJOmonianperiod

tothelatestageoftheYayoianortheearliestageoftheOldtumbperiod.

ReferencesCited

FuJ1,N(1965):PalynologicalStudyontheA11uvialPeatDepositsfromtheHokurikuRegionof

CentralJapan;B"".F[zc・EC!"c、Kα"αzα〃αU"/".,Nos、13&14.

----(1966):StratigraphicalStudyoftheA11uvialPeatDepositsandBuriedForests;ん"γ・GeoJ.

Sbc.'”α",72,1,

-(1966):C1imaticChangesofPostglacialAgeinJapan;Q"αf”"αがRCS“伽,5,3.4.

andFuJI1,s.(1967):PostglacialSeaLevelintheJapaneselslands;ん"γ・Geoscj.OsahaCjfy

[Mひ.,10,1-6.

(1971):PalynologicallnvestigationoftheHoloceneSubmergedForestinToyamaPrefecture,

CentralJapan.-PalynologicallnvestigationsontheQuaternarySysteminJapan(1)-;B""・

Ftzc.E伽Cf.Kα"czzα〃αU"i".,No.20,NaturalScience,pp、73-87.

IsHII,I.(1940-41):OntheRecentMovementoftheStrandLineoftheHokurikuDistrict;ん6地e

P"6Jjcafjoソzノ泥沈eCbノリ、"zg""γαfjo〃qプProf,YABE,M、J、A,SixtiethBirthday,11.

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第21号昭和47年 98金沢大学教育学部紀要

ExplanationofPlatel

Fig、1:Ze鵬“α,polarview,Localityno、124,EKZJ20204・

Fig.230α"i""s,polarview,Localityno、129,EKZJ20205・

Fig.38A!""8,polarview,LocalitynQ126,EKZJ20206、

Fig.4:Cf.〃0〃"s,polarview,Localityno,128,EKZJ20207、

Fig.5:COフqyJzJs,polarview,Localityno、124,EKZJ20208・

Fig.6:Al""s,obliquepolarview,Localityno、126,EKZJ20209・

Fig.7:Q””"3,obliquepolarview,Localityno、123,EKZJ20210・

Fig.8:〃〃s,obliquepolarview,Localityno,128,EKZJ20211・

Fig.9:R"伽3,equatorialview,Localityno、127,EKZJ20212・

Fig.10:肋9"s,polarview,Localityno、127,EKZJ20213・

Fig.11:Qzsfα"eα,polarview,Localityno、127,EKZJ20214・

Fig.12:Casfα"eα,polarview,Localityno、127,EKZJ20215、

Fig.13:FczO秘s,polarview,Localityno、127,EKZJ20216・

Fig.14:R幼"s,polarview,LocalitynQ129,EKZJ20217・

Fig.15:pollengen・indet.,equatorialview,Localityno、129,EKZJ20218、

Fig.16:R幼"s,polarview,Localityno、127,EKZJ20219・

Fig.173P”sicαγjα,surfaceofgrain,polarview,Localityno、125,EKZJ20220・

Fig.18:PCJsjc”iα,reticulumofgrain,polarview,Localityno、127,EKZJ20221・

Fig.19.&20:PeJsic”jα,polarview,LocalityZno、127,EKJ20222.

Fig.21&22:ccγα"〃”,polarview,Localityno、122,EKZJ20223,surfaceofgrain、

Fig.23:ccγα"伽加,polarview,equatorialpart,Localityno、122,EKZJ20224・

Fig.248sウリ0"“,polarview,Localityno、121,EKZJ20225、

Fig.25:pollengen・indet.,lateralview,Localityno、121,EKZJ20226.

Fis、26&27:Fbsso紬”"jczaff.α"、"JCSα,polarview,Localityno、126,EKZJ20227・

Fig.28:Cf.Sb/αdbpjfys,polarview,Localityno、129,EKZJ20228.

(8)

FuJI:PalynologicallnvestigationoftheHoloceneAsahiSubmergedForestP1.1 99

1 2

Ⅲ鍛皿鰹

13 15 16

iiiiiiililI『

,鰯i

25 28

(9)

第21号昭和47年 PLII 金沢大学教育学部紀要

100

29 30 31

32

33 34 35 36

一一臓臓一一一一一一一一一一一一一一一一一一)Ⅲ

□一一一一一一一一一一一一一一一一一一一’一一一一一一一一一一一一一一一一一一一一・羽

41

37 38

3 42

46

47 48 49

52 53 50 51

(10)

FuJェ:PalynologicallnvestigationoftheHoloceneAsahiSubmergedForest 101

ExplanationofP1atell

Fig、29:M`P〃αγ,obliquelateralview,Localityno、121,EKZJ20229・

Fig.30:PCノル"ifcscf・DC"〃""sR・PoToNIE,equatorialview,Localityno、121,EKZJ20230.

Fig.31:Mc〃07"メカCs,obliqueequatorialview,Localityno、126,EKZJ20231,

Fig.328PC此"jfescf.,e"〃""sR・PoToNIE,equatorialview,Localityno、126,EKZJ20232.

Fig.338Tricolporatepollen,equatorialview,Localityno、121,EKZJ20233・

Fig.34:Fuz9z`s,equatorialview,Localityno,123,EKZJ20234・

Fig.35:Tricolporatepollen,equatorialview,Localityno、123,EKZJ20235・

Fig.36:Cf・Taxodiaceae,equatorialview,Localityno、123,EKZJ20236・

Fig.37:Lαγ灘,equatorialview,Localityno、123,EKZJ20237・

Fig.38:CyCas,polarview,Localityno、122,EKZJ20238・

Fig.39:のcas,polarview,Localityno、123

Fig.40:Sapotaceae,equatorialview,Localityno、129,EKZJ20239・

Fig.41:Cycczs,polarview,Localityno、127,EKZJ20240.

Fig.428PC此"ifcscf・DC""i""sR・PoToNIE,equatorialview,Localityno・12.6

Fig.43:Cf・MdzO"0"α,polarview,Localityno、121,EKZJ20241・

Figs、44&45:R〃"s,equatorialview,Localityno,121,EKZJ20242、

Fig.46:肋021s,equatorialview,Localityno、123

Fig.47:Monosulcateponen,polarview,Localityno、129,EKZJ20243、

Fig.48:Cf.R肋,'00`s,equatorialview,Localityno、129,EKZJ20244・

Fig.49:A!"灘s,obliquepolarview,Localityno、123,EKZJ20245・

Fig.50:R〃"s,equatorialview,Localtyno、121,EKZJ20246・

Fig.51:deciduousQz8e”"s,equatorialview,Localityno、122,EKZJ20247-

Figs、52&538evergreenQ"e”24s,equatorialview,Localityno、127,EKZJ20248andEKZJ

20249.

(11)

102金沢大学教育学部紀要 第21号昭和47年

ExplanationofP1atelll

GBγα"伽加,polarview,frontofgrain,Localityno、123,EKZJ20250・

GBγα"伽”,polarview,centerofgrain,Loccalityno、123,EKZJ20251.

〃“,polarview,Localityno、123,EKZJ20252・

Cf・Nymphaeaceae,polarview,Localityno、121,EKZJ20253・

Aceγ,polarview,Localityno、121,EKZJ20254、

PC此"ifcs肋Cs"sR・PoToNⅡ白polarview,Localityno、123,EKZJ20255・

FYz9ws,obliqueequatorialview,Localityno、121,EKZJ20256・

Ericaceae,Localityno、124,EKZJ20257

Pfc'0cCWa,polarview,Localityno、124,EKZJ20258・

Tricolporatepollen,obliqueequatorialview,Localityno、129,EKZJ20259・

Ericaceae,Localitynql24,EKZJ20260・

Fzz9"s,polarview,Localityno、129,EKZJ2026L Pfeγ“α'抑,polarview,Localityno、130,EKZJ20262・

Cf・ひ脇"3,polarview,Localityno、130,EKZJ20263・

Myγjqp/by""",polarview,Localityno、127,EKZJ20264・

Stzルビ,epuatorialview,Localityno、124,EKZJ20265、

Qz幼蜘"s,polarview,Localityno、122,EKZJ20266・

Tricolporatepollen,polarview,Localityno、122,EKZJ20267・

Ze鵬CDα,obliquepolarview,Localityno、130,EKZJ20268、

Tricolporatepollen,polarview,Localityno、121,EKZJ20269・

Cf、Pf”ocaがα,polarview,Localityno、124,EKZJ20270.

●●●●●●●●●●●●●●●●●●●●●〔】□(】(|(】(一戸】(一(〉(|()(一斤墓){】(一戸】(一戸】(一一)【|岸】ロ|岸)。(〉。{〉(一声】【一戸〉(一戸】(》岸)(一岸)【一戸》◎一●■■▲●■■仏●ロロュ●□■ら●■ロュ●■■ユ●●■凸●■■△●■■△●■■L●ご□▲●ロロユ0コ&●●■△●石口凸●刊冒凸●■■▲●ご■&●ロ■a●■■▲●●□△FFFFFFFFFFFFFFFFF【肝一FFF ●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●。●●●●●●『I▲n〃]ハペ)4几」一FnJ〈h)庁J‐(x)n〕〉〈Ⅱ〉『Ⅱ▲|n〃】ハペ)4刎乏F『)(h〉庁J’nxU、】〉(Ⅱ)イー▲『Ⅱユ『I▲『I▲イームイーユイー上『I上『I▲イー上『Ⅱユーハノ】n〃]

(12)

FuJI:PalynologicallnvestigationoftheHoloceneAsahiSubmergedForestPLIII

lO3

鰯鐡

10 11 12

13 14 15 16

'lliillllill

l8 19

17 20 21

(13)

第21号昭和47年PLIV 104金沢大学教育学部紀要

『 麹

25 26

22 23 24

(ililillillilllllilll’

27 28

31

29 30

34 35

33 32

36 37 38

39

40 41 42 43

(14)

FuJI:Palyno1ogicallnvestigationoftheHoloceneAsahiSubmergedForest 105

ExplanationofPlateⅣ Figs、22,23,24,25,26,27&31:A/""s,polarview,

Fig.22:Localityno、123,EKZJ20271;Fig.23:Localityno、123,EKZJ Fig、24:Localityno,129,EKZJ20273;Fig.25:Localitynql29,EKZJ202 Fig、26:Localityno、126,EKZJ20275;Fig.27:Localitynql24,EKZJ2 Fig、31:Localityno、129,EKZJ20277・

Fig.28:ひ臓"s,polarview,Localityno、124,EKZJ20278、

Fig.29:MyγiqPH1W…,polarview,Localityno,124,EKZJ20279、

Fig.30:Ze脇oz)α,polarview,Localityno、129.EKZJ20280・

Fig.32&33:OUz幼吻"3,polarview,Localityno、130,EKZJ20281,EKZJ20282・

Fig.34:⑰が!"s,polarview,Localityno、130,EKZJ20283・

Fig.35:T"zα,polarview,Localityno、127,EKZJ20284・

Fig.36:Tricolpatepollen,polarview,Localityno、126,EKZJ20285・

Fig.37:Cf・TjJjcz,polarview,Localityno、126,EKZJ20286・

Fig.38:CCZ”i""s,polarview,Localityno、129,EKZJ20287、

Fig.39:〃,肱"8,polarview,Localityno、127,EKZJ20288・

Fig.40:〃0〃"s,polarview,Localityno、124,EKZJ20289・

Fig.418PfeγひCaがα,polarview,Localityno、126,EKZJ20290

Figs、42:&43:Cf.〃O〃"s,polarview,Localityno、129,EKZJ20291;Localityno・

l28EKZJ20292.

23:Localityno、123,EKZJ20272;

25:Localitynql29,EKZJ20274;

27:Localitynql24,EKZJ20276;

(15)

第21号昭和47年 106金沢大学教育学部紀要

ExplanationofP1ateV

18PjMz,lateralview,Localityno、121,EKZJ20293、

28A〃93,1ateralview,Localityno、121,EKZJ20294、

3:P⑰dbca”"s’1ateralview,Localityno、123,EKZJ20295 48PjCea,Iateralview・Localityno、121,EKZJ20296、

5-198Taxodiaceae(Cf.C伽/o加”iα),

Figs、6&14:centerofgrain,Fig.7:frontofgrain,

Figs、5,6,7&13:Localityno・’24,EKZJ20298,20299,Asahi,ToyamaPref.,

●●●●&』〕句些。【】。(】。序型。()つじ一■&●一■△●■■△o■▲●一■且【凶△【H《【脚(【一m△【H《

Fig.8:Localityno、130,EKZJ20300;

Figs、9&l08Localityno、126,EKZJ20301、20302;

Figs、11&19:Localityno、130,EKZJ20303,20304;

Figs、12&188Localityno・l2LEKZJ20305,20306;

Fig.13:Localityno、125,EKZJ20307;

Fig.14:Localityno、128,EKZJ20308;

Figs、15,16&17:Localityno、129,EKZJ20309,20310, 20311.

ExplanationofP1ateⅥ

Figs、20-25:MehrzelligePilzsporen,Fig.208Localityno、123,EKZJ20312

Fig、21:Localityno、123,EKZJ20313;Fig.228Localityno、129,EKZJ20314;

Fig.23:Localityno、128,EKZJ20315;

Fig.24:Localityno、128,EKZJ20316;

Fig.25:Localityno、128,EKZJ20317・

Figs、26-28:ZweizelligePilzsporen,Fig.26:Localityno、123,EKZJ20318;

Fig.27:Localiyno、129,EKZJ20319;Fig.28:Localityno、124,EKZJ20320・

Figs、29-328Polypodiaceae,lateralview,Fig.29:Localityno、123,EKZJ20321;

Fig.30:Localityno、129,EKZJ20322;Fig.318Localitynql29,EKZJ20323;

Fig.32:Localityno、129,EKZJ20324・

Fig.33:Sporegen・indet.,Localityno、130,EKZI20325・

Fig.34:Polypodiaceae,1ateralview,Localityno・’30,EKZJ20326・

Fig.35:Monosulcate,polarview,Localityno、126,EKZJ20327、

Fig.36:Polypodiaceae,lateralview,Localityno、123,EKZJ20328・

Fig.37:PClypodiaceae,1ateralview,Localityno、129,EKZJ20329・

Fig.388Genusindet・’1ateralview,Localityno、129,EKZJ20330、

Fig.398Pollenwithpollen-tube,1ateralview,Localityno、129,EKZJ20331・

Fig.40:CjDIPfo"Ceγiczcf、ノapo"icc7,1ateralview,Localityno、129,EKZJ20332.

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参照

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