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GranodioriteJ40/39KBiotiteL70.3MLaser fusion analysisNBox and others, 1993O60.1521666666667P159.936333333333Q2.1R3534S1658ABethelB60C34.66DNE160F47.25GWH87ATf 30I GranodioriteJK-ArKBiotiteL115.0R4258~T_K HornblendeL1088.M2Approximate location, Corrected with new constantsN!Turner and others, in prep., 2006O59.55P161.333333333333Q32.R3511S9420`A Goodnews BayB59C43.5DNE161F6.5GWH 50AHr 747aIQuartz dioriteJK-ArKBiotiteL439.2M%Replicate analyses, 444.7 average ageN!Turner and others, in prep., 2006O59.725P161.108333333333Q13R3563S9420aA Goodnews BayB59C43.5DNE161F6.5GWH 50AHr 747aIQuartz dioriteJK-ArK HornblendeL540.1M%Replicate analyses, 542.1 average ageN!Turner and others, in prep., 2006O59.725P161.108333333333Q15.9R3564S9420bA Goodnews BayB59C43.5DNE161F6.5GWH 50AHr 747aIQuartz dioriteJK-ArKBiotiteL450.2M%Replicate analyses, 444.7 average ageN!Turner and others, in prep., 2006O59.725P161.108333333333Q13R3565S9420cA Goodnews BayB59C43.5DNE161F6.5GWH 50AHr 747aIQuartz dioriteJK-ArK HornblendeL544.2M%Replicate analyses, 542.1 average ageN!Turner and others, in prep., 2006O59.725P161.108333333333Q16.1R3566S9420d3^ stgeorgeisland1976constants%V&V*V+V-V<V=Vstpaulisland3V4V5V6V7V8V;Vstpaulisland0.125myrushhillflowaverageageofmultip2Vstpaulislandisageactuallyreportedinabstract1VsuggestsWsuspect W WsuspiciousWthisWWtogiakqWtogiakrivervalleybasaltcorrectedageageroundedfrom0.qVtypeWvalleyqWveryzW{WwaskeyW Wwith_WWWWwrongWWzone"W#W1966%W&W'W(W)W*W+W,W-W.W/W0W1W2W3W4W5W7W8W9W:W;W<W=W1967WWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWW'W(W)W,W.W/W0W6We0C21.9DNE166F19.9GWHA35IBasaltJK-ArK Whole-rockL0.93NHCox and Dalrymple, 1967, Hoare et al, 1968, Mankinen and Dalrymple, 1979O60.365P166.331666666667Q.07R1095S350ANunivak IslandB60C23.2DNE166F14.5GWHA41IBasaltJK-ArK Whole-rockL0.95NHCox and Dalrymple, 1967, Hoare et al, 1968, Mankinen and Dalrymple, 1979O60.3866666666667P166.241666666667Q.08R1097S350ANunivak IslandB60C25.3DNE166F7.9GWHA45IBasaltJK-ArK Whole-rockL0.87N/Hoare et al, 1968, Mankinen and Dalrymple, 1979O60.4216666666667P166.131666666667Q.07R1098S350ANunivak IslandB60C22.0DNE166F6.0GWHA46IBasaltJK-ArK Whole-rockL0.81NHCox and Dalrymple, 1967, Hoare et al, 1968, Mankinen and Dalrymple, 1979O60.3666666666667P166.1Q.10R1096S350ANunivak IslandB60C20.9DNE166F5.1GWHA48IBasaltJK-ArK Whole-rockL0.86NHCox and Dalrymple, 1967, Hoare et al, 1968, Mankinen and Dalrymple, 1979O60.3483333333333P166.085Q.08R1094S350ANunivak IslandB60R42899GNBox and others, 1993O60.5776666666667P160.7875Q3.5R3523S2530ABethelB60C16.48DNE159F38GWH87ATf 51IGraniteJ Fission-trackKBiotiteL69.8NBox and others, 1993O60.2746666666667P159.633333333333Q2.1R3533S1658ABethelB60C28.07DNE159F24.53GWH87ATf 56IGraniteJ40/39KBiotiteL64.3NBox and others, 1993O60.4678333333333P159.408833333333Q1.9R3530S1660ABethelB60C31.25DNE159F9.83GWH87ATf 62IGraniteJ Fission-trackKBiotiteL60.8NBox and others, 1993O60.5208333333333P159.163833333333Q1.8R3529S1656ABethelB60C38.63DNE159F39.68GWH87ATf 72IGraniteJ Fission-trackKBiotiteL62.2NBox and others, 1993O60.6438333333333P159.661333333333Q1.9R3528S1660ABethelB60C34.53DNE160F25.6GWH88AMl 12IAndesiteJ Fission-trackK PlagioclaseL59.5M Large errorNBox and others, 1993O60.5755P160.426666666667Q12.3R3535S1605ABethelB60C46.92DNE159F10.17GWH 88ASb 99aIDaciteJ Fission-trackKBiotiteL69.5M Dacite flowR4264{+Ƀ&DDD@jă' oɃ'8DDD@Ƀ'RwwwwɃ'$DDDD@ă'@Ƀ'BwwwwɃ'wwwwɃ'$DDDD@Ƀ'7wwwwɃ'wwwwwÃ' Ƀ'9DDDD@Ƀ'YDDDD@Ƀ'DDDD@Ƀ'YDDDD@ă'`Ƀ'gwwwwɃ'wwwwŃ'`Ƀ'$DDDD@!Ƀ'WwwwwɃ'wwwwɃ'wwwwɃ'DDDD@Ƀ'wwww Ƀ'DDDD@Ƀ'wwwwɃ'DDDD@Ƀ'"wwwwɃ'$DDDD@Ƀ'4DDDD@ă'lă'lÄ!jÄ"pÄ$uVÄ$vWÄ$wdÄ$xXÄ$ygÄ$zUÄ$[Ä$\Ä$]Ä$^Ä$YÄ$ZÄ$hÄ$eÄ$fÄF"_ÄFt`ÄFuaÄFvbÄFwcÄFxyÄFyÄFzÄFtÄFuÄFvÄFwÄFxÄFzÄF{ÄF|ÄF}ÄF~ÄFÄFÃDqÄ!doÄ'grsÄ'hpÄ'iimnÄ'qdÄ'jÄ3qUVWXYZ[\]^ghÄ3vefÄEklÄJÄ1_`abctuvwxyz{|}~IÃ'`Ã'p‚ÂĂÃ'Ã'$%&'()*+,-./09:<=Ã(12345678;Ã(0UVWXYZ[\]^dghÃ(@ef1W1-2U101W12W12-105V12-106W22bW271bW30W34W36aW38W4-16X435aWW450bWW49_W5-123Y5-125Z5-27[5-29\5-31]5-33^50ahr_W`WaWbWcW50ahr49_V50ahr747a`VaVbVcV51W56W61W62W71amm45d71amm50ef71apa10g71apa15h72W73ahr1i747a`WaWbWcW74acd14dj74ahr111k74ahr112l74ahr118mn74ahr26o74ahr51p74ahr77q74b57rs75afs-12kt%u Âj@Âj`ÂqÂqÂs0dÂs` ÂtPsÂtmÂu@Âu`ÂupjÂv Âv0Âw`gÂwpÂxP‚y\Ây@Ây!‚zÂz0UÂz`nÂzprÂzÂ@ iÂ@ÂPÂpÂ`‚XÂ^Â@‚‚YeÂ@fÂ`[Âp VÂZhÂ0]Â`Ã"`Ã#3Ã#Ã#Ã#Ã#Ã#Ã$Ã$Ã$Ã$*Ã$CZcal@#and@box@comm@[coxanddalrymple1967hoareetal1968mankinenanddalrymp@]dalrymple@frost@`hoareandcoonrad19781980box1985a@)moll@}others@iprep@wsilberman@lsmith@turner@wilson@Swritten@4ɂjrwwwww@Âj@ɂq&2wwww@{Ƀ&DDD@@>ă'!6@+Ƀ'$wwww@6Ƀ'DDD@@bÃW@2Ä!@ÄFt@xÄGY@5ÃF@t_Pbethelʂ capeWWWWWcapemendenhallVVVVVgoodnews_W`WaWbWcWiWmWnWqWrWsWtWuWvWwWxWyWzW{W|W}W~WWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWW8pribilofWWWW$W%W&W'W(W)W*W+W,W-W.W/W0W1W2W3W4W5W6W7W8W9W:W;W<W=WpribilofislandsVVVV$V%V&V'V(V)V*V+V,V-V.V/V0V1V2V3V4V5V6V7V8V9V:V;V<V=VstUWVWWWXWYWZW[W\W]W^WdWeWfWgWhWstmatthewUVVVWVXVYVZV[V\V]V^VdVeVfVgVhV‚g$%&'()*+,-./09:<=‚h12345678;‚ijklopƂǂȂɂ"#‚j_`abcimnqrstuvwxyz{|}~˂̂͂΂ςЂт҂ӂԂՂւׂ؂قڂۂ܂݂ނ߂ႁ₁め䂁傁悁炁肁邁ꂁ낁삁킁‚GWHGC1-1381ITonalite - Quartz dioriteJK-ArKBiotiteL72.5N>Wilson and Smith, 1976, Wilson, 1977, Hoare and Coonrad, 1978O59.665P159.36Q2.2R477S1660‚A Goodnews BayB59C37.1DNE160F8.5GWHGC4-1300IGranite porphyryJK-ArK HornblendeL60.70N=Wilson and Smith, 1976, Wilson, 1977, Hoare and Coonrad, 1978O59.6183333333333P160.141666666667Q1.8R472S1656‚A Goodnews BayB59C50.6DNE159F10.9GWHGD1-3154I GranodioriteJK-ArK AmphiboleL65.20M Mt. WaskeyN>Wilson and Smith, 1976, Wilson, 1977, Hoare and Coonrad, 1978O59.8433333333333P159.181666666667Q1.9R478S1660‚ A Goodnews BayB59C50.6DNE159F10.9GWHGD1-3154I GranodioriteJK-ArKBiotiteL62.50M Mt. WaskeyN>Wilson and Smith, 1976, Wilson, 1977, Hoare and Coonrad, 1978O59.8433333333333P159.181666666667Q1.8R479S1660‚!A Goodnews BayB59C51.2DNE160F48.8GWHGD5-1771IDaciteJK-ArK HornblendeL68.7M Sam CreekNHoare and Coonrad, 1978O59.8533333333333P160.813333333333Q3.0R481S1655‚"R4399&h)O59.5433333333333P161.458333333333ogS9420A Goodnews BayB59C32.8DNE161F24.2GWHDT75-76I AmphiboliteJ40/39 Total FusionK HornblendeL1124MlGarnet amphibolite. Replicate conventional K-Ar analyses, 1049+/-32 average age; 40/39 plateau age 1.16 Ga.N!Turner and others, in prep., 2006O59.5466666666667P161.403333333333Q8R3651S9420A Goodnews BayB59C32.8DNE161F24.2GWHDT75-76rI AmphiboliteJK-ArK HornblendeL1063M>Garnet amphibolite. Replicate analyses, 1049+/-32 average ageN!Turner and others, in prep., 2006O59.5466666666667P161.403333333333Q32R3609S9420A Goodnews BayB59C32.4DNE161F35.3GWHDT75-78I GreenschistJK-ArK ActinoliteL137.1N!Turner and others, in prep., 2006O59.54P161.588333333333Q4.0R3610S9420A Goodnews BayB59C32.6DNE161F35.6GWHDT75-79ISchistJK-ArKBiotiteL130.4MBiotite-epidote schistN!Turner and others, in prep., 2006O59.5433333333333P161.593333333333Q3.8R3611S9420A Goodnews BayB59C32.6DNE161F35.6GWHDT75-81I GreenschistJK-ArR4346=dNBox and others, 1993O60.782P159.1695Q2.1R3527S2260ABethelB60C5.58DNE160F36GWH88ML 22bIGneissJ Fission-trackKApatiteL66.6M#Granite gneiss, Apatite cooling ageNBox and others, 1993O60.093P160.6Q4.6R3536S9420ABethelB60C3.38DNE159F15.46GWH89AJm 34I SandstoneJ Fission-trackKApatiteL29.7MApatite cooling ageNBox and others, 1993O60.0563333333333P159.257666666667Q4.2R3539S2872ABethelB60C10.7DNE160F7.67GWH 89ASb 101IDaciteJ Fission-trackKApatiteL47.5MApatite cooling ageNBox and others, 1993O60.1783333333333P160.127833333333Q6.9R3537S6412ABethelB60C5.3DNE159F16.13GWH89ASb 38I SandstoneJ Fission-trackKApatiteL90.5MApatite cooling ageNBox and others, 1993O60.0883333333333P159.268833333333Q17.0R3538S3005ANunivak IslandB60C12.8DNE167F27.5GWHA1IBasaltJK-ArK Whole-rockL6.28M$Age recalculated with 1976 constantsNADalrymple et al, 1967, Cox and Dalrymple, 1967, Hoare et al, 1968Q.18R1081S1023 W george&W'W(W)W*W+W,W-W.W/W0W9W:W<W=W_' goodnewsbay_V`VaVbVcViVmVnVqVrVsVtVuVvVwVxVyVzV{V|V}V~VVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVV VVVVVVVVVV V!VMP161.901666666667Q5.8R3620S9420A Goodnews BayB59C55.5DNE161F53.9GWHDT76-34IGneissJK-ArKBiotiteL140.8MBiotite gneissN!Turner and others, in prep., 2006O59.925P161.898333333333Q4.1R3621S9420A Goodnews BayB59C55.8DNE161F53.7GWHDT76-36ISchistJK-ArKBiotiteL395.6M0Biotite-muscovite-quartz schist. Impure biotiteN!Turner and others, in prep., 2006O59.93P161.895Q12R3622S9420A Goodnews BayB59C55.8DNE161F53.7GWHDT76-36ISchistJK-ArK MuscoviteL156.5MBiotite-muscovite-quartz schistN!Turner and others, in prep., 2006O59.93P161.895Q4.6R3623S9420A Goodnews BayB59C54.8DNE160F53.8GWHDT76-39IGranodiorite gneissJK-ArKBiotiteL292.4N!Turner and others, in prep., 2006O59.9133333333333P160.896666666667Q8.6R3624S9420A Goodnews BayB59C56.8DNE160F54.7GWHDT76-41ISchistJK-ArKBiotiteL158.8M!Biotite-hornblende epidote schistN!Turner and others, in prep., 2006O59.9466666666667P160.911666666667Q4.7R3625S9420R4360‚qUVWXYZ[\]^defgh‚ÂĂłʂ Ã' _`abcktuvwxyz{|}~Ã'pÃ'Ã(0UVWXYZ[\]^dghÃ(@ef1W1-2U101W12W12-105V12-106W22bW271bW30W34W36aW38W4-16X435aWW450bWW49_W5-123Y5-125Z5-27[5-29\5-31]5-33^50ahr_W`WaWbWcW50ahr49_V50ahr747a`VaVbVcV51W56W61W62W71amm45d71amm50ef71apa10g71apa15h72W73ahr1i747a`WaWbWcW74acd14dj74ahr111k74ahr112l74ahr118mn74ahr26o74ahr51p74ahr77q74b57rs75afs-12ktrC33.3DNE161F22.3GWHDT75-71IPyroxene granuliteJK-ArKBiotiteL1921M1Four replicate analyses, 2255+/-271.2 average ageN!Turner and others, in prep., 2006O59.555P161.371666666667Q57.6R3596S9420A Goodnews BayB59C33.3DNE161F22.3GWH DT75-71r2IPyroxene granuliteJK-ArKBiotiteL2159M1Four replicate analyses, 2255+/-271.2 average ageN!Turner and others, in prep., 2006O59.555P161.371666666667Q65R3597S9420A Goodnews BayB59C33.3DNE161F22.3GWH DT75-71r3IPyroxene granuliteJK-ArKBiotiteL2531M1Four replicate analyses, 2255+/-271.2 average ageN!Turner and others, in prep., 2006O59.555P161.371666666667Q76R3598S9420A Goodnews BayB59C33.3DNE161F22.3GWH DT75-71r4IPyroxene granuliteJK-ArKBiotiteL2409M1Four replicate analyses, 2255+/-271.2 average ageN!Turner and others, in prep., 2006O59.555P161.371666666667Q73R3599S9420A Goodnews BayB59C33.6DNE161F21.3GWHDT75-72IPyroxene granuliteJK-ArKBiotiteL2434R4332gJHDT75-83IGneissJK-ArKBiotiteL212.6MxBiotite-hornblende diorite gneiss. Analytical data is same as biotite for DT75-82, is suspicious and possibly in error.N!Turner and others, in prep., 2006O59.65P161.21Q6.2R3616S9420A Goodnews BayB59C55.2DNE161F55.9GWHDT76-21IHornblende dioriteJK-ArK HornblendeL122.2N!Turner and others, in prep., 2006O59.92P161.931666666667Q3.6R3617S9420A Goodnews BayB59C54.2DNE161F55.2GWHDT76-22I AmphiboliteJK-ArK HornblendeL130.6MGarnet amphibolite. N!Turner and others, in prep., 2006O59.9033333333333P161.92Q3.8R3618S9420A Goodnews BayB59C55.3DNE161F54.1GWHDT76-31IGneissJK-ArK MuscoviteL130.6MBiotite-muscovite gneissN!Turner and others, in prep., 2006O59.9216666666667P161.901666666667Q3.8R3619S9420A Goodnews BayB59C55.3DNE161F54.1GWHDT76-31IGneissJK-ArKBiotiteL196.8M)Biotite-muscovite gneiss. Impure biotiteN!Turner and others, in prep., 2006O59.9216666666667Q5.8R3620S9420"sA Goodnews BayB59C37.6DNE159F0.0GWH74B57IGraniteJK-ArK HornblendeL63.40N>Wilson and Smith, 1976, Wilson, 1977, Hoare and Coonrad, 1978O59.6266666666667P159Q3.0R474S1656tA Goodnews BayB59C34.6DNE161F14.1GWH 75AFS-12kI AmphiboliteJK-ArK HornblendeL163.2MGarnet amphibolite. N!Turner and others, in prep., 2006O59.5766666666667P161.235Q4.8R3570S9420uA Goodnews BayB59C34.6DNE161F14.1GWH 75AFS-12kI AmphiboliteJK-ArKBiotiteL136.5MGarnet amphibolite. N!Turner and others, in prep., 2006O59.5766666666667P161.235Q3.9R3571S9420vA Goodnews BayB59C37DNE161F12.3GWH 75AFS-18akIGneissJK-ArKBiotiteL143.7M%Biotite-muscovite granodiorite gneissN!Turner and others, in prep., 2006O59.6166666666667P161.205Q4.2R3572S9420wA Goodnews BayB59C37DNE161F12.3GWH 75AFS-18akIGneissJK-ArK MuscoviteL135.6M%Biotite-muscovite granodiorite gneissN!Turner and others, in prep., 2006O59.6166666666667P161.205Q3.9R3573S9420xR4229(QP-9BUUX  $,.YesNo/,  , : AM PMOO$‚N!Turner and others, in prep., 2006O60.095P160.628333333333Q7.8R3642S9420‚ABethelB60C7.6DNE160F34GWHDT76-72IMetamorphic rockJK-ArKBiotiteL143.6M9Biotite-hornblende-epidote-plagioclase rock. Minimum ageN!Turner and others, in prep., 2006O60.1266666666667P160.566666666667Q4.2R3643S9420‚ABethelB60C7.6DNE160F34GWHDT76-72IMetamorphic rockJK-ArK HornblendeL153.4M9Biotite-hornblende-epidote-plagioclase rock. Minimum ageN!Turner and others, in prep., 2006O60.1266666666667P160.566666666667Q4.5R3644S9420‚ABethelB60C7.6DNE160F34GWHDT76-74IMetamorphic rockJK-ArKBiotiteL162.1MBiotite-hornblende-epidote rockN!Turner and others, in prep., 2006O60.1266666666667P160.566666666667Q4.7R3645S9420‚ABethelB60C7.6DNE160F34GWHDT76-74IMetamorphic rockJK-ArK HornblendeL328.7MBiotite-hornblende-epidote rockN!Turner and others, in prep., 2006O60.1266666666667P160.566666666667Q9.7R3646S9420‚A Goodnews BayB59C51.4DNE160R4384Z*bethel@Bgoodnews_agemeister@'matthew@8‚q@KÃ'`@?75afs-12kua78v @\andesite@zdacite@mgranite@pyroxenegranulite@ktuff@  mica@% Ã$D@uÃ$@ 19.3@U444.7@|andesite@argon@biotitegarnetamphibolite@7biotitegranodioritegneiss@Ybiotite-bearingamphibolite@1biotite-muscovite@diabase@Wglaucophane@minimumage@*new@yreplicateanalyses227170averageage@1968@31975@p1978@qal@#and@box@comm@[coxanddalrymple1967hoareetal1968mankinenanddalrymp@]frost@`hoareandcoonrad19781980box1985a@)moll@}others@iprep@wsilberman@lwilson@Swritten@4ɂjrwwwww@Âj@Ƀ&DDD@@>ă'!6@+Ƀ'$wwww@6ÃW@2Ä!@ÄGY@5ÃF@tc @(@OLZ}G[€N^€ K_€AeRd€AhRg€Cm€In€#Ov€(@{€,P}€1P€6N€;L€@M€EJ€I@€NK€SM€XN€^C€cM€hE& @(@O4WwilsoniWkWlWmWnWoWpWrWsWWWWWWWWW Wwilson1977hoareandcoonrad1978box1985akVlVoVpVwilsonandsmith1976wilson1977hoareandcoonrad1978mVnVrVsVVVVVVV Vwilsonandsmith1976wilson1977hoareandcoonrad1978boxVVwilsonandsmith1976wilson1977hoareandcoonrad1978froiVwittbrodtUWVWWWXWYWZW[W\W]W^WdWeWfWgWhWwittbrodtetal1989UVVVWVXVYVZV[V\V]V^VwritWWW:dA St. MatthewB60C24.0DNE172F41.9GWH71AMm45I GranodioriteJK-ArK HornblendeL62.2M1976 constantsNFPatton et al, 1975, Silberman and Hopkins, 1976, Wittbrodt et al, 1989O60.4P172.698333333333Q2.0|7 19.3zW{W1967WWWWWW1976dWgWhWWWW%W&W*W+W-W<W=W1976constantsdVgVhV214.2WW2255WWWW2271WW2474WWWWWW271.2WWWW32WWW40/39W-JK-ArK Whole-rockL0.34MNanwaksjiak craterNHCox and Dalrymple, 1967, Hoare et al, 1968, Mankinen and Dalrymple, 1979O60.0333333333333P166.083333333333Q.05R1074S330ANunivak IslandB60C2.0DNE166F5.0GWHA91IBasaltJK-ArK Whole-rockL0.22MNanwaksjiak craterNHCox and Dalrymple, 1967, Hoare et al, 1968, Mankinen and Dalrymple, 1979O60.0333333333333P166.083333333333Q.09R1075S330ANunivak IslandB60C1.0DNE166F12.0GWHA96IBasaltJK-ArK Whole-rockL0.11NHCox and Dalrymple, 1967, Hoare et al, 1968, Mankinen and Dalrymple, 1979O60.0166666666667P166.2Q.03R1071S320ANunivak IslandB60C1.0DNE166F16.0GWHA97IBasaltJK-ArK Whole-rockL0.69NHCox and Dalrymple, 1967, Hoare et al, 1968, Mankinen and Dalrymple, 1979O60.0166666666667P166.266666666667Q.09R1072S330AHagemeister Is.B58C51.2DNE160F12.8GWH B78-1125GIAndesiteJK-ArK HornblendeL76.6MDikeN Box, 1985aO58.8533333333333P160.213333333333Q4.5R498S2260AHagemeister Is.B58R4308 diabasejWWdikedioritezW{W|W}WWWWWdisturbedW W WdowndraftkWdowndraftmountainkVdt75-82WepidoteWWWerrorWWWWetWWWWWWfiveWWWWWWfivereplicateanalyses247475averageageVVVVVfivereplicateconventionalk-aranalyses247475averageagVflowUWYWZW[W\W]W^WW2WWWWfourWWWWfourreplicateanalyses2255271.2averageageVVVVfromqWfusionWgaWgarnettWuWWWWWWWWWWWW WWgarnetamphibolitetVuVVVVVV VVgarnetamphibolitedisturbedspectrumVgarnetamphibolitereplicateanalyses104932averageageVVgarnetamphibolitereplicateconventionalk-aranalyses1049Vgarnetamphibolitererunofconventionalk-arageVgeorge%WroA Goodnews BayB59C33.6DNE161F21.3GWH DT75-72r5IPyroxene granuliteJK-ArKBiotiteL2500M.Five replicate analyses, 2474+/-75 average ageN!Turner and others, in prep., 2006O59.56P161.355Q77R3604S9420A Goodnews BayB59C33.8DNE161F22.9GWHDT75-73IGneissJK-ArKBiotiteL196.1MBiotite-muscovite gneissN!Turner and others, in prep., 2006O59.5633333333333P161.381666666667Q5.7R3605S9420A Goodnews BayB59C33.8DNE161F22.9GWHDT75-73IGneissJK-ArK MuscoviteL153.2MBiotite-muscovite gneissN!Turner and others, in prep., 2006O59.5633333333333P161.381666666667Q4.5R3606S9420A Goodnews BayB59C34DNE161F23.1GWHDT75-74I AmphiboliteJK-ArK HornblendeL247.1MGarnet amphibolite. N!Turner and others, in prep., 2006O59.5666666666667P161.385Q7.2R3607S9420A Goodnews BayB59C32.8DNE161F24.2GWHDT75-76I AmphiboliteJK-ArK HornblendeL1037M>Garnet amphibolite. Replicate analyses, 1049+/-32 average ageN!Turner and others, in prep., 2006Q31R360871 biotitegranodioritegneissVbiotitequartzmonzonitegneissVbiotitequartzmonzonitegneissspectrasuggestspartialargVbiotite-bearingxWWQA goodnewsbay@Ihagemeister@'matthew@8pribilof@C‚j‚q@KÃ'`@?75afs-12kua78visochron@a @\andesite@zdacite@mgranite@pyroxenegranulite@ktuff@  mica@% Âj@@@Ã$D@uÃ$@ 19.3@U444.7@|andesite@argon@biotitegarnetamphibolite@7biotitegranodioritegneiss@Ybiotite-bearingamphibolite@1biotite-muscovite@diabase@Wfor@george&Hglaucophane@hills@minimumage@*new@yreplicateanalyses227170averageage@stgeorgeisland1976constants@;1968@31975@p1978@q1979@/1980@2006fbox1985a@)moll@}others@iprep@wsilberman@lwilson@Swritten@4ɂjrwwwww@Âj@Ƀ&DDD@@>ă'!6@+Ƀ'$wwww@6ÃW@2Ä!@ÄGY@5ÃF@t]$commWWWcommunW W WcommunicationWcoonradiWjWkWlWmWnWoWpWqWrWsWWWWWWWWW W!W"W#WcoxWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWW%W&W'W(W)W*W+W,W-W.W/W0W1W2W3W4W5W6W7W8W9W:W;W<W=Wcoxanddalrymple1967hoareetal1968VVglobermanWWWgloberman1985Vgloberman1985box1985aVVhoareiWjWkWlWmWnWoWpWqWrWsWWWWWWWWWWhoareandcoonrad19781980box1985aqVhoareandcoonrad1978box1985ajVhopkinsdWeWfWgWhWin_W`WaWbWcWtWuWvWwWxWyWzW{W|W}W~WWWWWmankinenWWWWWWWVazh amphibolite_tuxWW˂΂ւׂ؂炁肁邁ꂁW "#[coxanddalrymple1967hoareetal1968mankinenanddalrympVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVcoxanddalrymple1967mankinenanddalrymple19796Vcoxanddalrymple1967mankinenanddalrymple1979coxetal'V/V0Vcoxandothers1966cox19668Vcoxandothers1966coxanddalrymple1967mankinenanddalr(V)V,V.Vcoxetal1966cox1966%V&V*V+V-V1V3V4V5V7V;V<V=Vcoxetal1966cox1966mankinenanddalrymple19799V:Vcoxetal1966cox1966mankinenanddalrymple1979lee-wong2VWWWWetUWVWWWXWYWZW[W\W]W^WdWeWfWgWhWiWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWW%W&W'W*W+W0P167.295Q.10R1089S1024ANunivak IslandB60C12.6DNE165F40.9GWHA61IBasaltJK-ArK Whole-rockL0.75NHCox and Dalrymple, 1967, Hoare et al, 1968, Mankinen and Dalrymple, 1979O60.21P165.681666666667Q.75R1079S330ANunivak IslandB60C3.2DNE165F40.9GWHA69IBasaltJK-ArK Whole-rockL0.30NHCox and Dalrymple, 1967, Hoare et al, 1968, Mankinen and Dalrymple, 1979O60.0533333333333P165.681666666667Q.07R1076S330ANunivak IslandB60C14.0DNE167F12.9GWHA7IBasaltJK-ArK Whole-rockL3.40NHCox and Dalrymple, 1967, Hoare et al, 1968, Mankinen and Dalrymple, 1979O60.2333333333333P167.215Q.12R1088S1024ANunivak IslandB60C1.0DNE165F38.0GWHA70IBasaltJK-ArK Whole-rockL0.50NHCox and Dalrymple, 1967, Hoare et al, 1968, Mankinen and Dalrymple, 1979O60.0166666666667P165.633333333333Q.06R1068S330ACape MendenhallB59C58.7DNE165F39.4GWHA71IBasaltJK-ArK Whole-rockL0.28R4298BIrgoodnewsWWWWWWWW WWWWWWWWWW W!W)frostiWglobermanWWWgloberman1985Vgloberman1985box1985aVVhoareiWjWkWlWmWnWoWpWqWrWsWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWW W!W"W#Whoareandcoonrad1978!Vv\isochron$p10%p11&'p12(p13)p15*p19+p2,p20-p21.p3/0p3512345p38678p59:p52;p66Wilson and Smith, 1976, Wilson, 1977, Hoare and Coonrad, 1978O59.66P159.671666666667Q2.0R475S1658nA Goodnews BayB59C39.6DNE159F40.3GWH74AHr118R4219# pyroxenegranuliteVVVVVVVVVVquartz`WaWbWcWmWnWWWWWWWWWWWW$Wquartzdiorite`VaVbVcVVVVVVVVVV$VquartzmonzonitemVnVquartzmuscovitegneissVretrogradedWWretrogradedpyroxenegranuliteVVrhyodaciteorhyoliterockWWWWsandstoneschistʂ삁tonaliteWtonalitequartzdioriteV^_`abcdefghijklmnopqrstuvwxyz{|}~‚ÂĂłƂǂȂɂʂ˂̂͂΂ςЂт҂ӂԂՂւׂقۂ܂݂ނ߂ႁ₁め䂁傁悁炁肁ꂁ낁삁킁plateauWtotalWWWwsilbermandWeWfWgWhWWWWW$Wsilbermanandhopkins1976hopkinsandsilberman1978VVVV$V{W|W}W~WWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWW W W WWWWWWWturnerandothersinprep2006_V`VaVbVcVtVuVvVwVxVyVzV{V|V}V~VVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVV V V VVVVVVVWz: dacite!diabasejdiorite`WaWbWcWWWWWWWWWWWWW$WepidoteWWepidoteamphiboliteVVgabbroklgneissvwyz{|}~ςЂт҂ӂԂՂقڂ傁悁WWpyroxeneWWquartz`WaWbWcWmWnWWquartzdiorite`VaVbVcVVquartzmonzonitemVnVretrogradedWWretrogradedpyroxenegranuliteVVrhyodaciteorhyolitesandstoneschisttuffef 40/39fission-trackk-arUVWXYZ[\]^_`abcdefghijklmnopqrstuvwxyz{|}~‚ÂĂłƂǂȂɂʂ˂̂͂΂ςЂтdeNICox and Dalrymple, 1967, Hoare et al, 1968, Mankinen and Dalrymple, 1979O59.95P166.166666666667Q.02R313S320ANunivak IslandB60C13.5DNE166F57.0GWHA12IBasaltJK-ArK Whole-rockL4.95MDalrymple et al, 1967NHCox and Dalrymple, 1967, Hoare et al, 1968, Mankinen and Dalrymple, 1979O60.225P166.95Q.14R1087S1024ACape MendenhallB59C59.0DNE166F22.0GWHA125IBasaltJK-ArKAWL0.03NICox and Dalrymple, 1967, Hoare et al, 1968, Mankinen and Dalrymple, 1979O59.9833333333333P166.366666666667Q.02R315S320ANunivak IslandB60C1.0DNE166F11.0GWHA126IBasaltJK-ArKAWL0.09N*Cox and Dalrymple, 1967, Hoare et al, 1968O60.0166666666667P166.183333333333Q.02R1070S320ANunivak IslandB60C13.2DNE166F56.4GWHA15IBasaltJK-ArK Whole-rockL5.20M$Age recalculated with 1976 constantsNADalrymple et al, 1967, Cox and Dalrymple, 1967, Hoare et al, 1968O60.22P166.94Q.15R1083S1023ANunivak IslandB60C12.7DNE166F56.7GWHA17IBasaltJK-ArR4279XF3O59.5466666666667P161.403333333333Q31R36083q 1975dWeWfWhW19751976gW1976dWeWfWgWhWiWmWnWrWsWWWWWWWWWWWWW W$W1977iWkWlWmWnWoWpWrWsWWWWWWWWW Wp/1978iWjWkWlWmWnWoWpWqWrWsWWWWWWWWWWWWW W!W"W#W$WWWWWWWWWWWWWWWWWWW1980qW1984WWW1985WWW1985ajWkWlWoWpWqWWWWWWWWWWWW1986WWWW1988iW1989UWVWWWXWYWZW[W\W]W^WdWeWfWgW1993WWWWWWWWWWWWWWWWWWWWWW2006_W`WaWbWcWtWuWvWwWxWyWzW{W|W}W~WWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWLXM.Five replicate analyses, 2474+/-75 average ageN!Turner and others, in prep., 2006O59.56P161.355Q73R3600S9420A Goodnews BayB59C33.6DNE161F21.3GWHDT75-72IPyroxene granuliteJ 40/39 PlateauKBiotiteL2520M@Five replicate conventional K-Ar analyses, 2474+/-75 average ageN!Turner and others, in prep., 2006O59.56P161.355R3648S9420A Goodnews BayB59C33.6DNE161F21.3GWH DT75-72r2IPyroxene granuliteJK-ArKBiotiteL2432M.Five replicate analyses, 2474+/-75 average ageN!Turner and others, in prep., 2006O59.56P161.355Q73R3601S9420A Goodnews BayB59C33.6DNE161F21.3GWH DT75-72r3IPyroxene granuliteJK-ArKBiotiteL2441M.Five replicate analyses, 2474+/-75 average ageN!Turner and others, in prep., 2006O59.56P161.355Q74R3602S9420A Goodnews BayB59C33.6DNE161F21.3GWH DT75-72r4IPyroxene granuliteJK-ArKBiotiteL2564M.Five replicate analyses, 2474+/-75 average ageN!Turner and others, in prep., 2006O59.56P161.355Q77R3603S9420R4337.‚&P169.474166666667Q.07R1199S450‚'APribilof IslandsB56C35.65DNE169F28.45GWHP11IBasaltJK-ArK Whole-rockL1.83MSt. George IslandNFCox and Dalrymple, 1967, Mankinen and Dalrymple, 1979, Cox et al, 1966O56.5941666666667P169.474166666667Q.06R1200S450‚(APribilof IslandsB56C35.9DNE169F28.3GWHP12IBasaltJK-ArK Whole-rockL2.12MSt. George IslandNKCox and others, 1966, Cox and Dalrymple, 1967, Mankinen and Dalrymple, 1979O56.5983333333333P169.471666666667Q.08R1201S450‚)APribilof IslandsB56C35.85DNE169F28.25GWHP13IBasaltJK-ArK Whole-rockL2.15MSt. George IslandNKCox and others, 1966, Cox and Dalrymple, 1967, Mankinen and Dalrymple, 1979O56.5975P169.470833333333Q.08R1202S450‚*APribilof IslandsB56C36.0DNE169F29.15GWHP15IBasaltJK-ArK Whole-rockL2.19M!St. George Island, 1976 constantsNCox et al, 1966, Cox, 1966O56.6P169.485833333333Q.08R1203S450‚+APribilof IslandsB56C36.2DNE169F29.7GWHP19IBasaltJK-ArK Whole-rockR44085ÃFÃV%&'()*+,-/0123456789:;<=ÃWpÄ!4Ä!5Ä!doÄ"!Ä$$Ä'Ä'Ä'fǂ!Ä'grsÄ'hpÄ'iimnÄ'qd Ä'vÄ'jÄ3qUVWXYZ[\]^ghÄ3rÄ3vefÄ6AÄ9ÄAÄEklɂÄE"#ÄF!ÄJÄJÄcJÄu#Ä1_`abctuvwxyz{|}~˂̂͂΂ςЂт҂ӂԂՂւׂ؂قڂۂ܂݂ނ߂ႁ₁め䂁傁悁炁肁邁ꂁ낁삁킁 @4 Ã$DÃ$HxÃ$gwÃ$iÃ$vuÃ$a a78a8a86a88a91a96a97b78-1125gb78-1133gb78-1152gb78-1171gb78-1213dt75-60dt75-61dt75-61rdt75-62dt75-63dt75-64Ђdt75-66҂dt75-67Ԃdt75-68dt75-69ׂdt75-70قdt75-71dt75-71r2dt75-71r3dt75-71r4dt75-72߂dt75-72r2dt75-72r3dt75-72r4dt75-72r5dt75-73傁dt75-74dt75-76肁dt75-76rdt75-78dt75-79dt75-81dt75-82dt75-82rdt75-83dt76-21dt76-22dt76-31dt76-34dt76-36dt76-39dt76-41dt76-42dt76-46dt76-52dt76-56dt76-57dt76-58dt76-61dt76-62dt76-66dt76-69a dt76-70 dt76-70r dt76-71dt76-72dt76-74dt76-76g199g200ga5-1310ga7-1450gb1-3156gb7-1479agc1-1381gc4-1300gd1-3154 gd5-1771!hd6-1453e"hd6-2272a#ilNprep_W`WaWbWcWtWuWvWwWxWyWzW{W|W}W~WWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWW W W 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WWWsilloWspectraWspectrumWsuggestsWthisWWtogiakqWtogiakrivervalleybasaltcorrectedageageroundedfrom0.qVvalleyqWveryzW{Wwith_WWWW1967WWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWW\m andesiteUYZ[\]^basaltVWXghq‚ÂĂł%&'()*+,-./0123456789:;<=granodioritedihornfelsmonzonitemWnWpphyllitequartz`WaWbWcWmWnWWquartzdiorite`VaVbVcVVquartzmonzonitemVnVrhyodaciteorhyolitesandstoneschisttuffef 40/39fission-trackk-arUVWXYZ[\]^_`abcdefghijklmnopqrstuvwxyz{|}~ amphiboleapatitebiotite`beijmopruvyz{}hornblende_acdfklnstx|~>Dɂq&2wwwwɂq(DDDD@Âq0ɂq1DDDD@Âq2ɂq2'wwwwɂq2DDDDD@Âq3ɂq3DDDDD@Ăq3`ɂq4DDDDD@ɂq7wwwwwɂq8WwwwwɂqBwwwwwɂqCDDDDD@ɂqCwwwwwĂqD`VWɂqE'wwwwɂqEDDDD@ĂqF`ĂqG`ɂqGwwwwwɂqIwwwwwɂqJGwwwwÂqPdɂqS'wwwwɂqWDDDD@ɂqY'wwwwXɂqcDDDD@ɂqg'wwwwgÂqhUĂqhfɂqhwwwwɂqiDDDDD@YZ[\]^hɂquIDDDD@ɂqvDDDDD@efĂqfɂqDDDD@Ăq0ɂqDDDD@ÂvV{|Ã&rsɃ&'wwwŃ&(`Ƀ&tDDD@Ń&z`Ƀ&wwwwɃ&wwww Ƀ&hwwwwɃ&yDDD@ă&pɃ&DDD@ă&pɃ&7wwwwɃ&DDDDD@Ƀ&j'wwwɃ&rDDDD@Ƀ&wwwwmnɃ&tDDDD@ă&&iɃ&GDDDD@ă&qU 444.7`WbW5-123ZW5-125YW5-27\W]W^W5-29[W]W^W5-31[W\W^W5-33[W\W]W542.1aWcW6.3WW70WW75WWWWWWabstract1WactinoliteWactinoliteschistVactually1WaeolusWageUWVWWWXWYWZW[W\W]W^W`WaWbWcWlWqWzW{WWWWWWWWWWWWWWWWWWWWWWWWWWWW W WWWW1W2Wagerecalculatedwith1976constantsVVValWWWWWWalkaliWalkalirhyoliteVamphibolitetWuWxWWWWWWWWWWWW W W W W WWanalyses`WaWbWcWzW{WWWWWWWWWWWWWWWWWWanalysisWanalyticalWWWandWtioncorrectedwithnewconstants_V)iamollWWWWmollwrittencommunication1986robinsonanddecker1986boxV :ZMMinimum age, same flow as 5-123NWittbrodt et al, 1989O60.5833333333333P172.963333333333Q2.4R1375S2260[A St. MatthewB60C35.0DNE172F57.8GWH5-27IAndesiteJK-ArK Whole-rockL76.5M*Minimum age, same flow as 5-29, 5-31, 5-33NWittbrodt et al, 1989O60.5833333333333P172.963333333333Q2.3R1370S2260\A St. MatthewB60C35.0DNE172F57.8GWH5-29IAndesiteJK-ArK Whole-rockL68.0M*Minimum age, same flow as 5-27, 5-31, 5-33NWittbrodt et al, 1989O60.5833333333333P172.963333333333Q2.3R1371S2260]A St. MatthewB60C35.0DNE172F57.8GWH5-31IAndesiteJK-ArK Whole-rockL79.2M*Minimum age, same flow as 5-27, 5-29, 5-33NWittbrodt et al, 1989O60.5833333333333P172.963333333333Q2.4R1372S2260^A St. MatthewB60C35.0DNE172F57.8GWH5-33IAndesiteJK-ArK Whole-rockL73.8M*Minimum age, same flow as 5-27, 5-29, 5-31NWittbrodt et al, 1989O60.5833333333333P172.963333333333Q2.2R1373S2260_A Goodnews BayB59C33DNE161F20GWH50AHr 49I AmphiboliteJK-ArR42047( argonWasYWZW[W\W]W^WWaverage`WaWbWcWzW{WWWWWWWWWWWWWWWWWW2WbasaltqWWbasalticWWWbasalticandesiteVVVbiotitejWzW{W~WWWWWWWWWWWW W W W Wbiotiteamphibolite V Vbiotiteamphibolitereplicatererunofconventionalk-arage Vbiotiteamphibolitererunofconventionalk-arageshowsdis VbiotitediabasejVhN!Turner and others, in prep., 2006O59.5716666666667P161.441666666667Q4.1R3588S9420A Goodnews BayB59C33.7DNE161F25.9GWHDT75-66IGneissJK-ArKBiotiteL128.9M&Biotite-hornblende granodiorite gneissN!Turner and others, in prep., 2006O59.5616666666667P161.431666666667Q3.8R3589S9420A Goodnews BayB59C33.7DNE161F25.9GWHDT75-66IGneissJK-ArK HornblendeL140.5M&Biotite-hornblende granodiorite gneissN!Turner and others, in prep., 2006O59.5616666666667P161.431666666667Q4.1R3590S9420A Goodnews BayB59C33.DNE161F26.4GWHDT75-67IGneissJK-ArKBiotiteL128.0M%Biotite-muscovite granodiorite gneissN!Turner and others, in prep., 2006O59.55P161.44Q3.7R3591S9420A Goodnews BayB59C33.DNE161F26.4GWHDT75-67IGneissJK-ArK MuscoviteL135.8M%Biotite-muscovite granodiorite gneissN!Turner and others, in prep., 2006O59.55P161.44Q4.0R3592S9420A Goodnews BayB59C32.8DNE161F26.2GWHDT75-68I AmphiboliteJK-ArK HornblendeL144.2R43234oɂjrwwwwwvwɂjrDDDD@ÂjsxɂjswwwwwrsĂju`zÂjv}ÂjwmnĂjw`Ăj``abcɂjDDDDD@ ɂjDDDDD@!ɂjwwwwwɂjwwwwwÂj ɂj'wwwwɂjDDDDD@Ăj`ɂjDDDDD@ɂjDDDD@iÂjɂj'wwwwĂj`ÂjɂjDDDDD@ÂjĂj`ɂjwwwwwDD@ɂq7wwwwwɂq8WwwwwɂqBwwwwwɂqCDDDDD@ɂqCwwwwwĂqD`VWɂqEDDDD@ĂqF`ĂqG`ɂqGwwwwwɂqIwwwwwɂqJGwwwwÂqPdɂqS'wwwwɂqWDDDD@ɂqY'wwwwXɂqcDDDD@ɂqg'wwwwgÂqhUĂqhfɂqhwwwwɂqiDDDDD@YZ[\]^hɂquIDDDD@ɂqvDDDDD@efĂqfɂqDDDD@Ăq0ɂqDDDD@ÂvV{|Ã&rsɃ&'wwwŃ&(`Ƀ&tDDD@Ń&z`Ƀ&hwwwwɃ&yDDD@Ƀ&DDD@ă&pɃ&7wwwwɃ&DDDDD@Ƀ&j'wwwɃ&rDDDD@Ƀ&wwwwmnɃ&tDDDD@ă&&iɃ&GDDDD@ă&qlQsmithiWmWnWrWsWWWWWWWWW Wer_W`WaWbWcWtWuWvWwWxWyWzW{W|W}W~WWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWW W W WWWWWWWturnerandothersinprep2006_V`VaVbVcVtVuVvVwVxVyVzV{V|V}V~VVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVV V V VVVVVVVCKA‚j  !$D‚NIWilson and Smith, 1976, Wilson, 1977, Hoare and Coonrad, 1978, Box, 1985aO59.1716666666667P160.648333333333Q2.0R467S1660‚A Goodnews BayB59C1.3DNE161F31.4GWHGA7-1450IDioriteJK-ArK AmphiboleL162.4M Crater HillNIWilson and Smith, 1976, Wilson, 1977, Hoare and Coonrad, 1978, Box, 1985aO59.0216666666667P161.523333333333Q4.9R466S3406‚A Goodnews BayB59C27.9DNE159F10.6GWHGB1-3156IQuartz dioriteJK-ArKBiotiteL69.5N>Wilson and Smith, 1976, Wilson, 1977, Hoare and Coonrad, 1978O59.465P159.176666666667Q2.0R470S1660‚A Goodnews BayB59C27.9DNE159F10.6GWHGB1-3156IQuartz dioriteJK-ArK HornblendeL63.40N>Wilson and Smith, 1976, Wilson, 1977, Hoare and Coonrad, 1978O59.465P159.176666666667Q1.8R471S1660‚A Goodnews BayB59C20.8DNE161F19.5GWH GB7-1479aIQuartz dioriteJK-ArKBiotiteL71.3N>Wilson and Smith, 1976, Wilson, 1977, Hoare and Coonrad, 1978O59.3466666666667P161.325Q2.1R469S1665‚A Goodnews BayB59C39.9DNE159F21.6R4394% actinoliteʂ낁amphibole"#apatiteawbiotite`beijmopruvyz{}ǂȂ̂͂ςЂ҂Ԃقڂۂ܂݂ނ߂ႁ₁め䂁傁삁  chloritehornblende_acdfklnstx|~Ƃɂ˂΂тӂւׂ؂炁肁邁ꂁ !isochron$k-feldsparmk# granitersWgraniteporphyryVgranodioritediW granodioritegneissVgranuliteWWWWWWWWWWWWgreenschist낁hornblendeWWhornblendedioriteVVhornfelsmetamorphicWWWWmetamorphicrockVVVVmonzonitemWnWpmuscoviteWphylliteporphoblasticWporphoblasticamphiboliteVporphyryWpyroxeneWWWWWWWWWWWWVfission-trackfusionWWk-arUVWXYZ[\]^_`abcdefghijklmnopqrstuvwxyz{|}~‚ÂĂłƂǂȂɂʂ˂̂͂΂ςЂт҂ӂԂՂւׂقۂ܂݂totalWW P‚ K HornblendeL936MuBiotite amphibolite. Rerun of conventional K-Ar age, shows disturbed spectra, indicating conventional age is suspectN Paul Layer, written commun. 2006O60.0933333333333P160.6Q36R3560S9420‚ ABethelB60C5.6DNE160F36GWHDT76-70I AmphiboliteJK-ArKBiotiteL685MBiotite amphiboliteN!Turner and others, in prep., 2006O60.0933333333333P160.6Q20R3640S9420‚ ABethelB60C5.6DNE160F36GWHDT76-70I AmphiboliteJK-ArK HornblendeL915MBiotite amphiboliteN!Turner and others, in prep., 2006O60.0933333333333P160.6Q27R3641S9420‚ ABethelB60C5.6DNE160F36GWHDT76-70rI AmphiboliteJ 40/39 PlateauK HornblendeL974MBiotite amphibolite. Replicate rerun of conventional K-Ar age, shows disturbed spectra, indicating conventional age is suspectN Paul Layer, written commun. 2006O60.0933333333333P160.6Q10.7R3561S9420‚ABethelB60C5.7DNE160F37.7GWHDT76-71IGneissJK-ArK HornblendeL266M'Biotite-hornblende gneiss. Minimum ageR4379{ÂjɂjDDDDD@Ăj`ÂjɂjDDDD@ɂjDDDDD@‚qɂqwwwwwĂɂqDDDDD@‚ɂqDDDDD@ɂqtDDDD@ɂqDDDD@Ăq@ɂqDDDDD@ Ăq`ɂq#wwwww@Âq0ɂq1DDDD@Âq2ɂq2'wwwwɂq2DDDDD@Âq3ɂq3DDDDD@Ăq3`ɂq4DDDDD@ɂq7wwwwwɂq8WwwwwɂqBwwwwwɂqCDDDDD@ɂqCwwwwwĂqD`VWɂqE'wwwwɂqEDDDD@ĂqF`ĂqG`ɂqGwwwwwɂqIwwwwwɂqJGwwwwÂqPdɂqS'wwwwɂqWDDDD@ɂqY'wwwwXɂqcDDDD@ɂqg'wwwwgÂqhUĂqhfɂqhwwwwɂqiDDDDD@YZ[\]^hɂquIDDDD@ɂqvDDDDD@efĂqfɂqDDDD@Ăq0ɂqDDDD@ÂvV{|Ã&rsɃ&'wwwŃ&(`Ƀ&tDDD@Ń&z`Ƀ&hwwwwɃ&yDDD@Ƀ&DDD@ă&pɃ&7wwwwɃ&DDDDD@Ƀ&j'wwwɃ&rDDDD@Ƀ&wwwwmnɃ&tDDDD@ă&&iɃ&GDDDD@ă&qNxA Goodnews BayB59C37.2DNE161F12.GWH 75AFS-18ckI AmphiboliteJK-ArK HornblendeL133.7MBiotite-bearing amphiboliteN!Turner and others, in prep., 2006O59.62P161.2Q3.9R3574S9420yA Goodnews BayB59C36.7DNE161F13.7GWH75AFS-1kIGneissJK-ArKBiotiteL169.7MBiotite-muscovite gneissN!Turner and others, in prep., 2006O59.6116666666667P161.228333333333Q4.9R3567S9420zA Goodnews BayB59C38.7DNE161F12.3GWH 75AFS-22akIGneissJK-ArKBiotiteL170.3MfBiotite-hornblende diorite gneiss. Replicate analyses, 183.9+/-19.3 average age, biotite K2O very lowN!Turner and others, in prep., 2006O59.645P161.205Q4.9R3575S9420{A Goodnews BayB59C38,7DNE161F12.3GWH 75AFS-22akIGneissJK-ArKBiotiteL197.3MfBiotite-hornblende diorite gneiss. Replicate analyses, 183.9+/-19.3 average age, biotite K2O very lowN!Turner and others, in prep., 2006O65.45P161.205Q5.8R3576S9420|A Goodnews BayB59C38,7DNE161F12.3GWH 75AFS-22akIGneissJK-ArK HornblendeL245.3R4233JA Goodnews BayB59C56.8DNE160F54.7GWHDT76-41ISchistJK-ArK HornblendeL129.6M!Biotite-hornblende epidote schistN!Turner and others, in prep., 2006O59.9466666666667P160.911666666667Q3.8R3626S9420A Goodnews BayB59C56.8DNE160F54.8GWHDT76-42IGneissJK-ArKBiotiteL133.3M%Biotite-muscovite granodiorite gneissN!Turner and others, in prep., 2006O59.9466666666667P160.913333333333Q4.0R3627S9420A Goodnews BayB59C56.4DNE160F55.4GWHDT76-46ISchistJK-ArKBiotiteL223.7M#Biotite-hornblende muscovite schistN!Turner and others, in prep., 2006O59.94P160.923333333333Q6.6R3628S9420A Goodnews BayB59C56.4DNE160F55.4GWHDT76-46ISchistJK-ArK HornblendeL192.2M#Biotite-hornblende muscovite schistO59.94P160.923333333333Q5.6R3629S9420A Goodnews BayB59C55.3DNE160F53.2GWHDT76-52IQuartz muscovite gneissJK-ArK MuscoviteL130.6N!Turner and others, in prep., 2006O59.9216666666667P160.886666666667Q3.9R3630S9420‚A Goodnews BayB59R4365 ‚C58.2DNE160F50.8GWHDT76-56ISchistJK-ArKBiotiteL351.3M#Biotite-muscovite-hornblende schistN!Turner and others, in prep., 2006O59.97P160.846666666667Q10.3R3631S9420‚A Goodnews BayB59C58.2DNE160F50.8GWHDT76-56ISchistJK-ArK MuscoviteL186.9M#Biotite-muscovite-hornblende schistN!Turner and others, in prep., 2006O59.97P160.846666666667Q5.5R3632S9420‚A Goodnews BayB59C57.3DNE160F53.9GWHDT76-57IGneissJK-ArKBiotiteL131.9MBiotite-muscovite gneissN!Turner and others, in prep., 2006O59.955P160.898333333333Q3.9R3633S9420‚A Goodnews BayB59C57.3DNE160F53.9GWHDT76-57IGneissJK-ArK MuscoviteL127.7MBiotite-muscovite gneissN!Turner and others, in prep., 2006O59.955P160.898333333333Q3.9R3634S9420‚A Goodnews BayB59C57.2DNE160F53.6GWHDT76-58IHornblende dioriteJK-ArK HornblendeL128.7M Minimum ageN!Turner and others, in prep., 2006O59.9533333333333P160.893333333333Q3.8R3635S9420‚A Goodnews BayB59C56.7DNE160F52.9R4370k tuffefunknown 40/39WWWWW W W40/39plateauVV V V40/39totalfusionVVVfission-trackfusionWWWk-arUVWXYZ[\]^_`abcdefghijklmnopqrstuvwxyz{|}~‚ÂĂłƂǂȂɂʂ˂̂͂΂ςЂт҂ӂԂՂւׂقۂ܂݂ނ߂ႁ₁め䂁傁悁炁肁ꂁ낁삁킁  !"#$%&'()*+,-./0123456789:;<=plateauWW W WtotalWWW#and_W`WaWbWcWdWeWfWgWhWiWjWkWlWmWnWoWpWqWrWsWtWuWvWwWxWyWzW{W|W}W~WWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWW W W WWWWWWWWWWWWWWWWWWW W!W"W#W$W'W(W)W,W.W/W0W2W6W8W9W:WbWWW| andesiteUWWWWapatiteWWWWapatitecoolingageVVVapproximate_Wapproximatelocationcorrectedwithnewconstants_VTjdR1366S1660eA St. MatthewB60C39.2DNE173F3.6GWH71AMm50ITuffJK-ArKBiotiteL76.0NLPatton et al, 1975, 1976, Silberman and Hopkins, 1976, Wittbrodt et al, 1989O60.6533333333333P173.06Q2.0R1377S2265fA St. MatthewB60C39.2DNE173F3.6GWH71AMm50ITuffJK-ArK HornblendeL76.3NLPatton et al, 1975, 1976, Silberman and Hopkins, 1976, Wittbrodt et al, 1989O60.6533333333333P173.06Q2.0R1378S2265gA St. MatthewB60C33.7DNE172F56.5GWH71APa10IBasaltJK-ArK Whole-rockL66.5M1976 constantsNKPatton et al, 1975,1976, Silberman and Hopkins, 1976, Wittbrodt et al, 1989O60.5616666666667P172.941666666667Q2.0R1368S2260hA St. MatthewB60C35.0DNE172F58.5GWH71APa15IBasaltJK-ArK Whole-rockL78.7M1976 constantsN@Patton et al, 1975, 1976, Silberman and Hopkins, 1976, WittbrodtO60.5833333333333P172.975Q2.0R1376S2260iA Goodnews BayB59C55.1DNE159F54.9GWH73AHr1I GranodioriteJK-ArKBiotiteL71.1M Mt. OratioR4214Sturner_W`WaWbWcWtWuWvWwWxWyWzW{W|W}W~WWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWW W W WWWWWWWturnerandothersinprep2006_V`VaVbVcVtVuVvVwVxVyVzV{V|V}V~VVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVV V V VVVVVVV]`dalrympleWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWW'W(W)W,W.W/W0W2W6W9W:Wdalrympleetal1967coxanddalrymple1967hoareetal1968VVdeckerWWWWetUWVWWWXWYWZW[W\W]W^WdWeWfWgWhWiWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWW%W&W'W*W+W-W/W0W1W2W3W4W5W7W9W:W;W<W=W.‚/P169.565833333333Q.08R1209S450‚0APribilof IslandsB56C37.0DNE169F33.0GWHP3IBasaltJK-ArK Whole-rockL1.97MSt. George IslandNFCox and Dalrymple, 1967, Mankinen and Dalrymple, 1979, Cox et al, 1966O56.6166666666667P169.55Q.08R3558S450‚1APribilof IslandsB57C11.7DNE170F24.3GWHP35IBasaltJK-ArK Whole-rockL.10M7St. Paul Island. Is age actually reported in abstract?NCox et al, 1966, Cox, 1966O57.195P170.405Q.10R1215S450‚2APribilof IslandsB57C11.7DNE170F24.3GWHP35IBasaltJK-ArK Whole-rockL0.125MKSt. Paul Island, 0.125 my, Rush Hill flow. Average age of multiple splits.NNCox et al, 1966, Cox, 1966, Mankinen and Dalrymple, 1979, Lee-Wong et al, 1979O57.195P170.405Q.058R1216S450‚3APribilof IslandsB57C11.7DNE170F24.3GWHP35IBasaltJK-ArK Whole-rockL0.20MSt. Paul IslandNCox et al, 1966, Cox, 1966O57.195P170.405Q.1R1217S450‚4APribilof IslandsB57C11.7DNE170F24.3GWHP35IBasaltJK-ArK Whole-rockL0.065R4417* hillsoWhornblendeWimpureWWWimpurebiotiteVinWWW1Windicating W WisWWW W W1Wisland%W&W'W(W)W*W+W,W-W.W/W0W1W2W3W4W5W6W7W8W9W:W;W<W=Wk-arWWW W Wk2ozW{WWWkanektokWWkulukakpWlargeWlargeerrorVlaserWlaserfusionanalysisVlocation_WlossWlowzW{WmatogaklWmatogakplutonminimumagelVmetamorphicWWmicaWmicaschistVminimumUWVWWWXWYWZW[W\W]W^WlWWWWWWWH# forWWWfourWWWWfourreplicateanalyses2255271.2averageageVVVVfromqWfusionWgaWgarnettWuWWWWWWWWWWWW WWgarnetamphibolitetVuVVVVVV VVgarnetamphibolitedisturbedspectrumVgarnetamphibolitereplicateanalyses104932averageageVVgarnetamphibolitereplicateconventionalk-aranalyses1049Vgarnetamphibolitererunofconventionalk-arageVgeorge%W‚4MSt. Paul IslandNCox et al, 1966, Cox, 1966O57.195P170.405Q.1R3553S450‚5APribilof IslandsB57C11.7DNE170F24.3GWHP35IBasaltJK-ArK Whole-rockL0.096MSt. Paul IslandNCox et al, 1966, Cox, 1966O57.195P170.405Q.1R3554S450‚6APribilof IslandsB57C11.05DNE170F24.95GWHP38IBasaltJK-ArK Whole-rockL0.33MSt. Paul IslandN5Cox and Dalrymple, 1967, Mankinen and Dalrymple, 1979O57.1841666666667P170.415833333333Q.04R1213S450‚7APribilof IslandsB57C11.05DNE170F24.95GWHP38IBasaltJK-ArK Whole-rockL0.36MSt. Paul IslandNCox et al, 1966, Cox, 1966O57.1841666666667P170.415833333333Q.10R1214S450‚8APribilof IslandsB57C11.05DNE170F24.95GWHP38IBasaltJK-ArK Whole-rockL0.33MSt. Paul IslandNCox and others, 1966, Cox, 1966O57.1841666666667P170.415833333333Q.10R3555S450‚9APribilof IslandsB56C37.0DNE169F34.0GWHP5IBasaltJK-ArK Whole-rockL1.94MSt. George IslandN9Cox et al, 1966, Cox, 1966, Mankinen and Dalrymple, 1979Q.08R1211(A‚9S450‚:APribilof IslandsB56C37.0DNE169F34.0GWHP5IBasaltJK-ArK Whole-rockL1.88MSt. George IslandN9Cox et al, 1966, Cox, 1966, Mankinen and Dalrymple, 1979O56.6166666666667P169.566666666667Q.09R3557S450‚;APribilof IslandsB57C7.85DNE170F17.45GWHP52IBasaltJK-ArK Whole-rockL0.10MSt. Paul IslandNCox et al, 1966, Cox, 1966O57.1308333333333P170.290833333333Q--R1212S450‚