AS-SV ± 0.16 Ma Cumulative 39 Ar Released (%)

Transcription

1 Noble Gas Mass Spectrometry COAS Oregon State University, Corvallis, Oregon USA 12C2122.AGE >>> AS-SV-14 gm Steiner 2A18-12 >>> STEINER PROJECT Age AS-SV ± 0.16 Ma 53.1 SiO 2 wt.% Cumulative 39 Ar Released (%) Ar-Ages in Ma WEIGHTED PLATEAU TOTAL FUSION NORMAL ISOCHRON INVERSE ISOCHRON Sample Info Groundmass Eastern OR AS IRR = OSU2A12 J = AS-SV-14.xls printed at 12/13/2015 (7:15 PM) ArArCALC v2.40

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3 Noble Gas Mass Spectrometry COAS Oregon State University, Corvallis, Oregon USA 12C2139.AGE >>> AS-SV-82 gm Steiner 2A19-12 >>> STEINER PROJECT Age AS-SV ± 0.26 Ma 56.2 SiO 2 wt.% Cumulative 39 Ar Released (%) Ar-Ages in Ma WEIGHTED PLATEAU TOTAL FUSION NORMAL ISOCHRON INVERSE ISOCHRON Sample Info Groundmass Eastern OR AS IRR = OSU2A12 J = AS-SV-82.xls printed at 12/13/2015 (7:17 PM) ArArCALC v2.40

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5 13C3292.AGE >>> AS-SV-9 PLAG 5B8-13 >>> STEINER PROJECT ± 1.90 Ma Ar-Ages in Ma WEIGHTED PLATEAU TOTAL FUSION NORMAL ISOCHRON INVERSE ISOCHRON (PROBABILITY) 0.66 (62%) Age [ Ma ] Sample Info Cumulative 39Ar Released [ % ] AS-SV-9.xls printed at 12/13/2015 (7:20 PM) plag Eastern OR Arron Steiner IRR = OSU5B13 J =

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7 14D34914.AGE >>> AS-SV-9 >>> OREGON STRECK (13-06C) PROJECT Ar-Ages in Ma WEIGHTED PLATEAU TOTAL FUSION NORMAL ISOCHRON INVERSE ISOCHRON ± 0.08 Ma (PROBABILITY) 2.56 (0%) Age [ Ma ] K/Ca Cumulative 39Ar Released [ % ] Sample Info Groundmass Oregon Dan Miggins IRR = 14-OSU-04 J = AS-SV-9 (repeat).xls printed at 12/13/2015 (7:19 PM) ArArCALC v Beta Version

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9 13C3424.AGE >>> AS-SV-144 PLAG 5B4-13 >>> STEINER PROJECT 45 Ar-Ages in Ma WEIGHTED PLATEAU TOTAL FUSION NORMAL ISOCHRON INVERSE ISOCHRON Age [ Ma ] ± 0.50 Ma (PROBABILITY) 1.02 (41%) 5 0 Sample Info Plagioclase Eastern OR Arron Steiner IRR = OSU5B13 J = Cumulative 39Ar Released [ % ] AS-SV-144.xls printed at 12/13/2015 (7:25 PM)

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`-V-X:_ :&&>aa>=ah9-v-\lb1z.) ]-V-%3%%.54.1%-7-%3%%%%%1** P/OW)-V-063%)%-7-%3%%)-K>!"#-T?>=#>Q 7-% %31%.3%0-- *63)6 $36$)4%.13)) 7-)30%, 7-)304, $.,-- 6 %3%)*. 7-%3%%)) KA9A<>?-RS=#&9>?-R&&H& 7-%314 03%5--!9>?I=A;>?-R&&H& 7-%3$*.3%.%.-- R&&H&-K>"9AGA;>=AH9 OH=>?-PQJAH9-!"# 7-%3.*$04 7-%340 $360* $3%0, 7-$3%4, * KA9A<>?-RS=#&9>?-R&&H& 7-%345!9>?I=A;>?-R&&H& 7-%34. %3%)*4 7-%3%%%6 AS-SV-144.xls printed at 12//2015 (3:47 PM)

11 14D34953.AGE >>> AS-SV-144 >>> OREGON STRECK (13-06C) PROJECT 21 7 Ar-Ages in Ma WEIGHTED PLATEAU TOTAL FUSION NORMAL ISOCHRON INVERSE ISOCHRON ± 0.06 Ma 5 4 (PROBABILITY) 1.48 (14%) Age [ Ma ] K/Ca Sample Info Groundmass Oregon Dan Miggins Cumulative 39Ar Released [ % ] IRR = 14-OSU-04 J = AS-SV-144 (repeat).xls printed at 12/13/2015 (7:23 PM) ArArCALC v Beta Version

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repeat).xls printed at 12//2015 (3:46 PM) ArArCALC v Beta Version

13 13C3396.AGE >>> AS-SV-151 GM 5B7-13 >>> STEINER PROJECT 22 Ar-Ages in Ma WEIGHTED PLATEAU TOTAL FUSION NORMAL ISOCHRON INVERSE ISOCHRON Age [ Ma ] ± 0.91 Ma (PROBABILITY) (0%) 8 6 Sample Info 4 2 gm Eastern OR Trevor Smith Cumulative 39Ar Released [ % ] IRR = OSU5B13 J = AS-SV-151.xls printed at 12/13/2015 (7:27 PM)

14 Incremental Heating 36Ar(a) 37Ar(ca) 38Ar(cl) 40Ar(r) 40Ar(r) (%) (%) 13C C ± ± C C ± ± C C ± ± C C ± ± C C ± ± C C ± ± C C ± ± C C ± ± C C ± ± C C ± ± Information on Analysis Results 40(r)/39(k) (%,n) Sample = AS-SV-151 GM 5B7-13 Material = gm Location = Eastern OR Analyst = Trevor Smith Project = STEINER Mass Discrimination Law = LIN Irradiation = OSU5B13 J = ± FCT-3 = ± Ma Age Plateau Error Mean ± ± ± 0.48 ± 5.76% ± 5.79% 0% 8 Minimal External Error ± Analytical Error ± 0.91 ####### Error Magnification Total Fusion Age ± ± ± 0.34% ± 0.83% Minimal External Error ± 0.27 Analytical Error ± ± 0.06 AS-SV-151.xls printed at 12//2015 (3:32 PM)

15 13C3411.AGE >>> AS-SV-151 PLAG 5B5-13 >>> STEINER PROJECT ± 0.68 Ma Ar-Ages in Ma WEIGHTED PLATEAU TOTAL FUSION NORMAL ISOCHRON INVERSE ISOCHRON (PROBABILITY) 1.00 (42%) Age [ Ma ] Cumulative 39Ar Released [ % ] AS-SV-151 (plag).xls printed at 12/13/2015 (7:26 PM) Sample Info gm Eastern OR Arron Steiner IRR = OSU5B13 J =

16 Incremental Heating 36Ar(a) 37Ar(ca) 38Ar(cl) 40Ar(r) 40Ar(r) (%) (%) 13C C ± ± C C ± ± C C ± ± C C ± ± C C ± ± C C ± ± C C ± ± C C ± ± Information on Analysis Results 40(r)/39(k) (%,n) Sample = AS-SV-151 PLAG 5B5-13 Material = gm Location = Eastern OR Analyst = Arron Steiner Project = STEINER Mass Discrimination Law = LIN Irradiation = OSU5B13 J = ± FCT-3 = ± Ma Age Plateau ± ± ± 4.24% ± 4.28% 42% ± Minimal External Error ± Analytical Error ± Error Magnification Total Fusion Age ± ± ± 4.92% ± 4.95% 8 Minimal External Error ± 0.83 Analytical Error ± ± AS-SV-151 (plag).xls printed at 12//2015 (3:32 PM)

17 Noble Gas Mass Spectrometry COAS Oregon State University, Corvallis, Oregon USA 12C2091.AGE >>> AS-SV-156 gm Steiner 2A20-12 >>> STEINER PROJECT AS-SV-156 Ar-Ages in Ma WEIGHTED PLATEAU TOTAL FUSION NORMAL ISOCHRON INVERSE ISOCHRON Age ± 0.13 Ma 58.1 SiO 2 wt.% Sample Info Groundmass Eastern OR AS IRR = OSU2A12 J = Cumulative 39 Ar Released (%) AS-SV-156.xls printed at 12/13/2015 (7:29 PM) ArArCALC v2.40

18 Incremental Heating 40Ar(r) 36Ar(a) 37Ar(ca) 38Ar(cl) 40Ar(r) (%) (%) 12C C ± ± C C ± ± C C ± ± C C ± ± C C ± ± C C ± ± C C ± ± C20 00 C ± ± C C ± ± C C ± ± C C ± ± Information on Analysis Results 40(r)/39(k) MSW (%,n) AS-SV-156 gm Steiner 2A20-12 Groundmass Eastern OR AS Weighted Plateau ± ± ± 0.39% ± 0.85% ± External Error ± Statistical T Ratio Analytical Error ± Error Magnification Project = Steiner Irradiation = OSU2A12 J = ± FCT-3 = ± Ma Total Fusion Age ± ± ± 0.47% ± 0.89% 11 External Error ± 0.27 Analytical Error ± ± 0.002

19 13C3381.AGE >>> AS-SV-159C GM 5B6-13 >>> STEINER PROJECT Age [ Ma ] ± 0.18 Ma Ar-Ages in Ma WEIGHTED PLATEAU TOTAL FUSION NORMAL ISOCHRON INVERSE ISOCHRON (PROBABILITY) 0.94 (47%) Sample Info gm Eastern OR Arron Steiner Cumulative 39Ar Released [ % ] IRR = OSU5B13 J = AS-SV-159c.xls printed at 12/13/2015 (7:30 PM)

20 Incremental Heating 36Ar(a) 37Ar(ca) 38Ar(cl) 40Ar(r) 40Ar(r) (%) (%) 13C C ± ± C C ± ± C C ± ± C C ± ± C C ± ± C C ± ± C C ± ± C C ± ± C C ± ± C C ± ± Information on Analysis Results 40(r)/39(k) (%,n) Sample = AS-SV-159C GM 5B6-13 Material = gm Location = Eastern OR Analyst = Arron Steiner Project = STEINER Mass Discrimination Law = LIN Irradiation = OSU5B13 J = ± FCT-3 = ± Ma Age Plateau ± ± ± 0.92% ± 1.18% 47% ± Minimal External Error ± Analytical Error ± Error Magnification Total Fusion Age ± ± ± 1.15% ± 1.36% Minimal External Error ± 0.32 Analytical Error ± ± AS-SV-159c.xls printed at 12//2015 (3:38 PM)

21 13C3351.AGE >>> AS-SV-171 GM 5B11-13 >>> STEINER PROJECT 35 Ar-Ages in Ma WEIGHTED PLATEAU TOTAL FUSION NORMAL ISOCHRON INVERSE ISOCHRON Age [ Ma ] ± 0.34 Ma (PROBABILITY) 2.11 (6%) Cumulative 39Ar Released [ % ] Sample Info gm Eastern OR Julia Klath IRR = OSU5B13 J = AS-SV-171.xls printed at 12/13/2015 (7:31 PM)

22 Incremental Heating 36Ar(a) 37Ar(ca) 38Ar(cl) 40Ar(r) 40Ar(r) (%) (%) 13C C ± ± C C ± ± C C ± ± C C ± ± C C ± ± C C ± ± C C ± ± C C ± ± C C ± ± Information on Analysis Results 40(r)/39(k) (%,n) Sample = AS-SV-171 GM 5B11-13 Material = gm Location = Eastern OR Analyst = Julia Klath Project = STEINER Mass Discrimination Law = LIN Irradiation = OSU5B13 J = ± FCT-3 = ± Ma Age Plateau ± ± ± 1.02% ± 1.39% 6% ± Minimal External Error ± Analytical Error ± Error Magnification Total Fusion Age ± ± ± 0.81% ± 1.25% 9 Minimal External Error ± 0.50 Analytical Error ± ± AS-SV-171.xls printed at 12//2015 (3:39 PM)

23 13C3305.AGE >>> AS-SV-179 GM 5B13-13 >>> STEINER PROJECT Age [ Ma ] ± 0.17 Ma Ar-Ages in Ma WEIGHTED PLATEAU TOTAL FUSION NORMAL ISOCHRON INVERSE ISOCHRON (PROBABILITY) 2.12 (6%) Cumulative 39Ar Released [ % ] AS-SV-179.xls printed at 12/13/2015 (7:32 PM) Sample Info gm Eastern OR Julia Klath IRR = OSU5B13 J =

24 Incremental Heating 36Ar(a) 37Ar(ca) 38Ar(cl) 40Ar(r) 40Ar(r) (%) (%) 13C C ± ± C C ± ± C C ± ± C C ± ± C C ± ± C C ± ± C C ± ± C C ± ± C C ± ± C C ± ± Information on Analysis Results 40(r)/39(k) (%,n) Sample = AS-SV-179 GM 5B13-13 Material = gm Location = Eastern OR Analyst = Julia Klath Project = STEINER Mass Discrimination Law = LIN Irradiation = OSU5B13 J = ± FCT-3 = ± Ma Age Plateau ± ± ± 0.28% ± 1.15% 6% 6.2 ± 0.7 Minimal External Error ± Analytical Error ± Error Magnification Total Fusion Age ± ± ± 0.39% ± 1.18% Minimal External Error ± 0.30 Analytical Error ± ± 0.2 AS-SV-179.xls printed at 12//2015 (3:39 PM)

25 13C3321.AGE >>> AS-SV-188 GM 5B14-13 >>> STEINER PROJECT 36 Ar-Ages in Ma WEIGHTED PLATEAU TOTAL FUSION NORMAL ISOCHRON INVERSE ISOCHRON Age [ Ma ] ± 0.29 Ma (PROBABILITY) 0.42 (83%) 12 Sample Info 9 6 gm Eastern OR Julia Klath Cumulative 39Ar Released [ % ] IRR = OSU5B13 J = AS-SV-188.xls printed at 12/13/2015 (7:33 PM)

26 Incremental Heating 36Ar(a) 37Ar(ca) 38Ar(cl) 40Ar(r) 40Ar(r) (%) (%) 13C C ± ± C C ± ± C C ± ± C C ± ± C C ± ± C C ± ± C C ± ± C C ± ± C C ± ± Information on Analysis Results 40(r)/39(k) (%,n) Sample = AS-SV-188 GM 5B14-13 Material = gm Location = Eastern OR Analyst = Julia Klath Project = STEINER Mass Discrimination Law = LIN Irradiation = OSU5B13 J = ± FCT-3 = ± Ma Age Plateau ± ± ± 1.84% ± 2.02% 83% ± Minimal External Error ± Analytical Error ± Error Magnification Total Fusion Age ± ± ± 2.28% ± 2.42% 9 Minimal External Error ± 0.42 Analytical Error ± ± AS-SV-188.xls printed at 12//2015 (3:40 PM)

27 13C3365.AGE >>> AS-SV-190 GLASS 5B-13 >>> STEINER PROJECT Age [ Ma ] ± 0.16 Ma Ar-Ages in Ma WEIGHTED PLATEAU TOTAL FUSION NORMAL ISOCHRON INVERSE ISOCHRON (PROBABILITY) 0.31 (95%) 13 Sample Info Cumulative 39Ar Released [ % ] gm Eastern OR Arron Steiner IRR = OSU5B13 J = AS-SV-190.xls printed at 12/13/2015 (7:34 PM)

28 Incremental Heating 36Ar(a) 37Ar(ca) 38Ar(cl) 40Ar(r) 40Ar(r) (%) (%) 13C C ± ± C C ± ± C C ± ± C C ± ± C C ± ± C C ± ± C C ± ± C C ± ± C C ± ± C C ± ± Information on Analysis Results 40(r)/39(k) (%,n) Sample = AS-SV-190 GLASS 5B-13 Material = gm Location = Eastern OR Analyst = Arron Steiner Project = STEINER Mass Discrimination Law = LIN Irradiation = OSU5B13 J = ± FCT-3 = ± Ma Age Plateau ± ± ± 0.78% ± 1.12% 95% ± 0.11 Minimal External Error ± Analytical Error ± Error Magnification Total Fusion Age ± ± ± 0.85% ± 1.17% Minimal External Error ± 0.29 Analytical Error ± ± 0.11 AS-SV-190.xls printed at 12//2015 (3:40 PM)

29 Noble Gas Mass Spectrometry COAS Oregon State University, Corvallis, Oregon USA 12C25.AGE >>> AS-SV-192 gm Steiner 2A22-12 >>> STEINER PROJECT Age AS-SV ± 0.12 Ma 57.7 SiO 2 wt. % Cumulative 39 Ar Released (%) Ar-Ages in Ma WEIGHTED PLATEAU TOTAL FUSION NORMAL ISOCHRON INVERSE ISOCHRON Sample Info Groundmass Eastern OR AS IRR = OSU2A12 J = AS-SV-192.xls printed at 12/13/2015 (7:36 PM) ArArCALC v2.40

30 Incremental Heating 40Ar(r) 36Ar(a) 37Ar(ca) 38Ar(cl) 40Ar(r) (%) (%) 12C C ± ± C C ± ± C C ± ± C C ± ± C C ± ± C C ± ± C C ± ± C C ± ± C C ± ± C C ± ± C C ± ± C C ± ± Information on Analysis Results 40(r)/39(k) MSW (%,n) AS-SV-192 gm Steiner 2A22-12 Groundmass Eastern OR AS Weighted Plateau ± ± ± 0.55% ± 0.98% ± External Error ± Statistical T Ratio Analytical Error ± Error Magnification Project = Steiner Irradiation = OSU2A12 J = ± FCT-3 = ± Ma ± ± 0.15 Total Fusion Age ± 0.93% ± 1.24% External Error ± 0.25 Analytical Error ± ± 0.002

31 Noble Gas Mass Spectrometry COAS Oregon State University, Corvallis, Oregon USA 12C2155.AGE >>> AS-SV-230 gm Steiner 2A23-12 >>> STEINER PROJECT Age AS-SV ± 0.24 Ma 53.4 SiO 2 wt.% Cumulative 39 Ar Released (%) Ar-Ages in Ma WEIGHTED PLATEAU TOTAL FUSION NORMAL ISOCHRON INVERSE ISOCHRON Sample Info Groundmass Eastern OR AS IRR = OSU2A12 J = AS-SV-230.xls printed at 12/13/2015 (7:38 PM) ArArCALC v2.40

32 Incremental Heating 40Ar(r) 36Ar(a) 37Ar(ca) 38Ar(cl) 40Ar(r) (%) (%) 12C C ± ± C C ± ± C C ± ± C C ± ± C C ± ± C C ± ± C C ± ± C C ± ± C C ± ± C C ± ± C C ± ± C C ± ± Information on Analysis Results 40(r)/39(k) MSW (%,n) AS-SV-230 gm Steiner 2A23-12 Groundmass Eastern OR AS Weighted Plateau ± ± ± 1.52% ± 1.75% ± External Error ± Statistical T Ratio Analytical Error ± Error Magnification Project = Steiner Irradiation = OSU2A12 J = ± FCT-3 = ± Ma Total Fusion Age ± ± ± 1.08% ± 1.39% 12 External Error ± 0.29 Analytical Error ± ± 0.001

33 13C3336.AGE >>> AS-SV-291 GM 5B12-13 >>> STEINER PROJECT Ar-Ages in Ma WEIGHTED PLATEAU TOTAL FUSION NORMAL ISOCHRON INVERSE ISOCHRON (PROBABILITY) 2.23 (11%) Age [ Ma ] ± 0.36 Ma Cumulative 39Ar Released [ % ] AS-SV-291.xls printed at 12/13/2015 (7:40 PM) Sample Info gm Eastern OR Arron Steiner IRR = OSU5B13 J =

34 Incremental Heating 36Ar(a) 37Ar(ca) 38Ar(cl) 40Ar(r) 40Ar(r) (%) (%) 13C C ± ± C C ± ± C C ± ± C C ± ± C C ± ± C C ± ± C C ± ± C C ± ± C C ± ± Information on Analysis Results 40(r)/39(k) (%,n) Sample = AS-SV-291 GM 5B12-13 Material = gm Location = Eastern OR Analyst = Arron Steiner Project = STEINER Mass Discrimination Law = LIN Irradiation = OSU5B13 J = ± FCT-3 = ± Ma Age Plateau ± ± ± 2.% ± 2.34% 11% ± Minimal External Error ± Analytical Error ± Error Magnification Total Fusion Age ± ± ± 1.30% ± 1.66% 9 Minimal External Error ± 0.34 Analytical Error ± ± AS-SV-291.xls printed at 12//2015 (3:43 PM)

35 14D34877.AGE >>> AS-SV-291 >>> OREGON STRECK (13-06C) PROJECT Ar-Ages in Ma TOTAL FUSION Age [ Ma ] K/Ca Cumulative 39Ar Released [ % ] AS-SV-291(repeat).xls printed at 12/13/2015 (7:39 PM) ArArCALC v Beta Version Sample Info Groundmass Oregon Dan Miggins IRR = 14-OSU-04 J =

36 Incremental Heating 36Ar(a) [fa] 37Ar(ca) [fa] 38Ar(cl) [fa] [fa] 40Ar(r) [fa] 40Ar(r) (%) (%) 14D % ± ± D % ± ± D % ± ± D % ± ± D % ± ± D % ± ± D % ± ± D % ± ± D % ± ± D % ± ± D % ± ± D % ± ± D % ± ± D % ± ± D % ± ± D % ± ± D % ± ± D % ± ± D % ± ± D % ± ± D % ± ± D % ± ± D % ± ± D % ± ± D % ± ± Information on Analysis Results 40(r)/39(k) (%,n) Sample = AS-SV-291 Material = Groundmass Location = Oregon Analyst = Dan Miggins Project = OREGON STRECK (13-06C) Mass Discrimination Law = LIN Irradiation = 14-OSU-04 J = ± FCT-NM (R98) (4E37-14) = ± 0.0 Age Plateau Cannot Calculate Total Fusion Age ± ± ± 0.09% ± 0.39% 25 Full External Error ± 0.35 Analytical Error ± ± AS-SV-291(repeat).xls printed at 12//2015 (3:43 PM) ArArCALC v Beta Version