Samples ID

Petrography

AGE

Lithotype

Pb206/ Pb204

2SE(M)

Pb207/ Pb204

2SE(M)

Pb208/ Pb204

2SE(M)

RM 1

Whole rock

Leuc-theph

1.5 - 0.3 MA

Lava

18.866

0.011

15.749

0.009

39.268

0.026

RM 1

Separate

Ksp

18.739

0.001

15.612

0.001

38.762

0.003

RM 3

Whole rock

K-Basalt

0.3 MA

Lava

18.943

0.006

15.617

0.005

38.968

0.016

RM 3'

Whole rock

19.167

0.004

15.683

0.003

39.209

0.01

RM 5

Whole rock

K-Basalt

0.3 MA

Lava

18.827

0.003

15.684

0.003

39.048

0.009

RM 6

Whole rock

K-Basalt

0.3 MA

Lava

18.839

0.003

15.680

0.003

39.039

0.009

RM 7

Whole rock

Leuc-tephr

1.5 - 0.3 MA

Lava

18.716

0.004

15.605

0.003

38.784

0.008

RM 7

Separate

Ksp

18.749

0.002

15.608

0.001

38.794

0.003

RM 8

Whole rock

K-basalt

0.3 MA?

Lava

19.119

0.002

15.677

0.002

39.177

0.005

RM 10

Whole rock

Latite

0.3 MA

Spatter cone?

19.093

0.002

15.678

0.002

39.173

0.008

RM 12

Whole rock

Trachibasalt

0.3 MA?

lava

18.884

0.003

15.687

0.007

39.080

0.018

CF X

Whole rock

K-Basalt

lava

19.201

0.0009

15.630

0.0007

39.116

0.002

CF 1

Whole rock

Trachibasalt

>40 ky BP

Scoria

19.032

0.004

15.620

0.002

38.948

0.008

CF 2

Whole rock

Trachibasalt

40 - 17 ky BP

Scoria

19.126

0.0006

15.615

0.0005

39.002

0.006

CF 3

Whole rock

Trachibasalt

17,000 y BP

Scoria

18.970

0.001

15.593

0.001

38.837

0.003

CF 5

Whole rock

Latite

?

Scoria

18.971

0.002

15.628

0.001

38.950

0.004

CF 6

Whole rock

Latite

14,000 y BP

Scoria

19.012

0.003

15.647

0.003

39.042

0.009

CF 7

Whole rock

Trachyte

10,000 y BP

Pomice

18.963

0.0007

15.666

0.0006

38.909

0.002

CF 8

Whole rock

Latite

40 - 10 ky BP

Pomice

18.989

0.002

15.638

0.002

38.990

0.007

CF 9

Whole rock

Latite

10 - 4 ky BP

Pomice

18.922

0.002

15.650

0.003

38.965

0.006

CF 10

Whole rock

Trachibasalt

8 - 5 ky BP

Pomice

18.936

0.001

15.580

0.0009

38.798

0.002

CF 10

CFb 1

Whole rock

Basalt

Lava

18.974

0.002

15.684

0.002

39.082

0.008

CFb 2

Whole rock

Basalt

Lava

18.953

0.002

15.609

0.001

38.855

0.004

CFb 1

Ksp

Basalt

19.044

0.002

15.626

0.002

38.934

0.005

CFb 2

Ksp

Basalt

19.133

0.002

15.615

0.001

39.026

0.004

CFb 3

Ksp

Leuc-tephr.

19.277

0.001

15.659

0.0009

39.211

0.003

CFb 4

Ksp

Leuc-tephr.

19.241

0.002

15.641

0.001

39.138

0.004

ICB 1

Separate

Sanidine

37 - 33 ky BP

19.085

0.002

15.616

0.002

39.011

0.004

ICB 2

Separate

Sanidine

37 - 33 ky BP

19.159

0.003

15.695

0.004

39.266

0.014

ICB 3

Separate

Sanidine

37 - 33 ky BP

19.136

0.005

15.663

0.003

39.179

0.008

ICB 4

Separate

Sanidine

37 - 33 ky BP

19.136

0.005

15.663

0.003

39.061

0.003

ICB 5

Separate

Sanidine

37 - 33 ky BP

19.102

0.001

15.635

0.001

39.064

0.004

ICB HB6a

Separate

Sanidine

37 - 33 ky BP

19.112

0.001

15.649

0.001

39.118

0.005

ICB HB6b

Separate

Sanidine

37 - 33 ky BP

19.114

0.0007

15.642

0.0005

39.085

0.001

ICB HB7a

Separate

Sanidine

37 - 33 ky BP

19.122

0.0007

15.627

0.0006

39.049

0.001

ICB 8

Separate

Sanidine

37 - 33 ky BP

19.023

0.003

15.629

0.002

39.044

0.006

ICB 9

Separate

Sanidine

37 - 33 ky BP

19.128

0.0009

15.635

0.0007

39.078

0.002

ICB 9sec

Separate

Sanidine

37 - 33 ky BP

19.150

0.007

15.678

0.006

39.226

0.006

ICB 10

Separate

Sanidine

37 - 33 ky BP

19.133

0.0007

15.650

0.0006

39.122

0.001

ICB 11

Separate

Sanidine

37 - 33 ky BP

19.093

0.0009

15.625

0.0009

39.026

0.003

ICB 12

Separate

Sanidine

37 - 33 ky BP

19.108

0.0009

15.623

0.0008

39.046

0.002

ICB 13

Separate

Sanidine

37 - 33 ky BP

19.106

0.001

15.625

0.001

39.037

0.003