Appendix 3A: Interpreted Peak Ages and Age Ranges

Peak Agea, Ma Number of Grains

b Age Range

c, Ma Number of Grains

d

04AP-226 (N = 105)

258

288

297

447

494

503

540

1775

1864

2523

2681

2907

3

8

8

6

13

11

3

9

19

6

12

3

256-261

273-311

321-323

435-519

528-550

1713-2135

2459-2974

2976-3027

1

15

1

27

3

26

18

1

00JT-25 (N = 93) 328

354

380

416

482

519

589

653

1860

2062

2579

2791

6

7

6

13

27

14

8

3

8

4

3

3

259-676

1730-2110

2545-2617

2787-2822

70

12

1

1

00JT-26 (N = 92)

290

360

385

440

482

535

582

1844

2036

2454

2494

17

7

3

16

23

12

9

6

4

4

4

263-373

376-393

407-646

1781-2104

2397-2508

25

1

46

9

5

00JT-29 (N = 96)

271

291

309

366

465

484

517

548

593

651

748

1823

1965

2572

2603

3

4

4

4

25

21

14

14

10

10

3

8

3

4

3

264-328

343-752

1748-2020

2565-2632

10

59

9

4

R03AP-25 (N = 91)

235

239

302

310

476

486

500

514

528

1880

1967

2347

2551

2622

2695

2781

2871

3

3

6

3

4

4

3

6

5

18

20

3

3

4

4

3

4

234-245

296-312

475-537

1727-2096

2336-2381

2544-2646

2663-2949

4

7

12

37

1

2

10

RA-3/5-01 (N = 82)

238

265

351

1758

1878

2133

2593

2729

11

4

3

6

32

4

4

3

220-256

261-269

347-363

1692-2172

2540-2680

2697-2758

14

1

3

47

4

1

08DH01A (N = 95)

238

246

252

260

285

295

308

320

353

472

496

503

517

1878

2058

11

8

8

8

3

8

11

5

3

5

12

11

6

4

3

225-270

281-332

352-359

471-527

1810-1910

2020-2114

26

22

1

21

4

3

08DH33 (N = 103)

230

236

242

264

268

280

294

301

304

311

315

324

431

456

482

493

502

511

3

6

8

5

4

3

9

9

9

8

4

4

3

5

5

9

7

8

227-258

261-272

276-330

427-435

443-463

478-529

535-540

1698-2008

12

4

23

1

4

22

1

10

525

539

1834

4

3

8

Prok212 (N = 88)

246

280

301

356

455

468

487

518

1860

1992

2569

3

12

11

3

3

5

9

7

7

6

3

240-252

256-316

353-356

447-530

1811-1906

1933-2048

2547-2601

2

34

1

17

6

5

2

KUZ146-1 (N = 60)

260

302

356

495

515

1851

6

6

4

5

4

8

252-265

286-309

346-362

467-525

1823-1902

6

9

3

11

10

CH3.1B (N = 92)

246

284

380

429

470

511

555

681

794

888

1169

1446

1643

10

6

3

6

6

15

14

3

5

6

7

5

11

228-340

367-398

401-1935

19

3

67

CH2.6 (N = 94)

249

285

364

452

566

599

686

762

1648

1718

1724

1835

1936

2024

10

15

13

12

10

8

3

3

6

5

5

12

7

3

235-694

723-799

1523-2066

64

2

18

CH26.5 (N = 99)

254

266

303

369

460

471

497

592

5

5

20

5

9

12

14

7

247-339

347-398

422-638

730-856

893-1241

1739-1779

1783-1894

1900-2005

28

4

31

10

8

1

5

3

619

809

1052

1756

1829

1955

4

7

8

3

5

4

ELM06WR51B (N = 104)

223

232

244

262

270

282

304

315

348

370

413

442

465

484

521

571

707

1239

1883

2485

2590

4

3

3

3

4

3

6

9

11

8

4

3

5

6

5

3

4

3

18

5

6

219-239

242-253

256-274

278-287

291-394

403-453

456-493

506-540

543-575

675-739

1167-1309

1670-2055

2448-2631

4

2

4

2

22

5

5

3

2

4

2

23

7

ELM06WR8 (N = 108)

252

267

281

292

327

369

385

448

507

563

809

923

1125

1332

1646

1896

2564

7

9

8

12

8

7

7

18

3

3

4

3

5

5

5

16

3

225-516

556-582

750-846

869-938

994-1416

1500-2306

2480-2642

58

1

3

2

10

24

3

ELM06WR46B (N = 108)

235

253

286

298

344

360

380

412

441

650

744

792

845

891

5

7

10

15

4

6

3

7

14

3

5

5

4

6

219-374

376-462

630-674

712-863

871-955

1164-2109

40

19

2

10

5

23

914

1208

1450

1770

1856

1956

6

4

7

6

6

3

94CL-10 (N = 94)

227

237

258

274

326

369

436

486

603

642

777

1746

1860

2163

5

6

14

11

12

10

17

4

4

5

4

4

3

3

213-289

300-510

580-714

722-819

886-910

1621-1945

2134-2198

23

41

7

4

1

6

2

94CL-53 (N = 93)

223

257

273

316

359

435

545

599

872

1253

1450

1903

1974

2031

2512

4

6

4

12

10

18

5

5

4

5

3

5

4

4

4

206-238

240-282

290-490

499-637

854-962

1089-1500

1857-2053

2498-2526

4

6

43

8

4

7

7

1

96DH102 (N = 95)

419

465

531

565

680

882

1065

1187

2634

5

11

28

30

4

7

7

9

4

402-701

848-1319

2606-2666

65

20

3

AE2 (N = 96)

433

474

569

661

921

1072

1133

1256

1655

1836

4

6

44

5

4

6

7

7

4

5

416-699

903-984

1002-1365

1605-1693

1799-1908

69

2

12

4

5

JL2 (N = 157)

338

364

373

406

414

433

478

492

524

552

601

632

671

878

978

1098

1205

1261

1315

1387

1424

1474

1568

1648

1746

1837

1943

1996

2640

3

6

5

5

6

7

5

3

3

5

4

5

3

3

14

16

11

14

13

13

16

13

18

23

9

10

15

12

3

332-390

393-498

516-532

538-563

590-706

864-2086

2634-2662

6

14

2

2

7

113

3

OG3 (N= 71)

382

431

477

513

543

973

1060

1234

1586

1795

1985

2472

2621

2689

2774

2867

6

7

5

5

6

6

7

6

3

6

6

6

6

8

5

3

361-455

457-627

933-1305

1431-1458

1564-1593

1715-2096

2386-2902

11

10

14

1

1

10

15

OG4 (N = 90)

393

401

422

430

451

467

594

636

944

1096

1278

1342

1502

1625

1801

3

5

9

10

5

3

3

3

4

13

8

7

5

11

5

387-438

443-457

460-475

618-638

938-1413

1456-1941

1951-2027

14

1

2

1

24

23

4

1878

1991 6

5

SL (N = 61)

414

427

594

941

1042

1317

1433

1572

1661

2054

2080

4

4

3

5

17

3

4

3

6

3

3

404-434

585-602

917-1476

1555-1720

2026-2084

6

3

26

6

1

HL (N = 61)

1211

1543

1705

1836

2027

2084

2677

3

6

5

22

4

3

7

1162-1270

1489-1744

1768-1930

1989-2101

2635-2729

3

11

25

4

8

TF (N = 76)

465

967

1058

1094

1145

1242

1549

1589

1657

1758

1803

1889

1969

2728

2830

3

3

10

11

9

9

4

5

11

8

6

4

4

4

3

459-471

953-1296

1520-1996

2702-2761

2814-2845

3

23

25

3

2

AE1 (N = 86)

435

455

1214

1367

1661

1769

1849

1934

1989

2435

2726

3

5

17

8

12

17

4

7

6

4

3

434-482

954-1462

1549-2058

2408-2468

2702-2729

5

26

40

1

1

Notes: aMost peak ages listed above are prominent peaks on relative age probability diagrams. Peak ages

are reported only for age ranges that define a single obvious peak. The listed peaks include at least three

overlapping analyses (within about a million years of each other and with low reported errors). Peak age

determined by deconvolution of adjacent peaks using the Sambridge-Compston algorithm in Excel

Macros by G.Gehrels (2006). bNumber of grains is the number of grains included in the specific peak.

cAge range is the range of ages that make up a cluster on a relative age probability diagram.

dNumber of

grains is the number of grains included in the specific age range.

0

5

10

15

20

25

30

35

0 100 200 300 400 500 600 700 800 900 1000

0

10

20

30

40

50

60

0 500 1000 1500 2000 2500 3000 3500

0

10

20

30

40

50

0 100 200 300 400 500 600 700 800 900 1000

0

20

40

60

80

100

0 500 1000 1500 2000 2500 3000 3500

0

5

10

15

20

25

0 100 200 300 400 500 600 700 800 900 1000

0

10

20

30

40

50

60

70

0 500 1000 1500 2000 2500 3000 3500

0

2

4

6

8

10

0 100 200 300 400 500 600 700 800 900 1000

0

2

4

6

8

10

12

0 500 1000 1500 2000 2500 3000 3500

0

5

10

15

20

0 100 200 300 400 500 600 700 800 900 1000

0

10

20

30

40

50

60

70

80

0 500 1000 1500 2000 2500 3000 3500

0

5

10

15

20

25

30

35

40

45

0 500 1000 1500 2000 2500 3000 3500

0

5

10

15

20

25

0 100 200 300 400 500 600 700 800 900 1000

0

5

10

15

20

25

30

35

0 100 200 300 400 500 600 700 800 900 1000

371

397

0

10

20

30

40

50

60

70

80

0 500 1000 1500 2000 2500 3000 3500

0

5

10

15

20

0 100 200 300 400 500 600 700 800 900 1000

0

5

10

15

20

25

30

35

40

0 500 1000 1500 2000 2500 3000 3500

0

5

10

15

20

25

0 100 200 300 400 500 600 700 800 900 1000

0

5

10

15

20

25

30

35

0 500 1000 1500 2000 2500 3000 3500

AE-2

Sverdrup N

N=75

0

2

4

6

8

10

12

14

16

0 500 1000 1500 2000 2500 3000 3500

AE-1

Sverdrup S

N=86

(Miller et al., 2006)

451

360

0

2

4

6

8

10

12

14

16

18

0 100 200 300 400 500 600 700 800 900 1000

0

10

20

30

40

50

0 500 1000 1500 2000 2500 3000 3500

Beranek et al. (2010) 6 samples (grouped)

N=516

94CL10, 94CL53

Lisburne Hills, AK

2 samples (grouped)

N= 187

(Miller et al., 2006)

Wrangel Island

samples WR8, WR46B,WR51B

3 samples (grouped)

N=320

(Miller et al., 2010)

0

5

10

15

20

0 100 200 300 400 500 600 700 800 900 1000

0

5

10

15

20

25

30

35

0 500 1000 1500 2000 2500 3000 3500

0

5

10

15

20

25

30

0 500 1000 1500 2000 2500 3000 3500

APPENDIX 3B: Histograms and age

probability plots of detrital zircon ages

from Triassic sandstones

0

5

10

15

20

0 100 200 300 400 500 600 700 800 900 1000

Tria

ssic

Pe

rmia

n

Ca

rbo

nif

ero

us

De

vo

nia

n

Ord

ov

icia

nC

am

bri

an

Beranek et al. (2010)

6 samples (grouped)

N=185

AE-2

Sverdrup N-derived

N=96

(Miller et al., 2006)

Nu

mb

er

of

zirc

on

s

Ca

mb

ria

n

0-3500 Ma

0-1000 Ma

96 DH 102

NE Alaska

Ivishak

N=95

(Miller et al., 2006)

96 DH 102

NE Alaska

Ivishak

N=71

429

530

563

566

465

94CL10, 94CL53

Lisburne Hills, AK

2 samples (grouped)

N= 146225

257317

367

439

Wrangel Island

3 samples (grouped)

N=213

442

361

296

255

235

216

Chukotka

samples CH3.1,CH2.6,CH26.5

3 samples (grouped)

N=285

(Miller et al., 2006)

Chukotka

3 samples (grouped)

N=195254

302

370

Bolshoi L’yakov

New Siberian Islands

sample KUZ 146-1

N=60

SHRIMP-RG

Bolshoi L’yakov

New Siberian Islands

sample KUZ 146-1

N=45

SHRIMP-RG354

302

261

Siberian platform

Olenek uplift

sample PROK 212

N=88

Siberian platform

Olenek uplift

sample PROK 212

N=64

245

280

302

335360

490520

Northernmost Verkhoyansk shelf

samples DH01A,DH33

2 samples (grouped)

N=198

N. Verkhoyansk shelf

samples DH01A,DH33

2 samples (grouped)

N=171

239

260

303

496-503

Verkhoyansk slate belt

R03AP25,

RA-3/5-01

2 samples

(grouped)

N=193

Verkhoyansk slate belt

R03AP25,

RA-3/5-01

2 samples

(grouped)

N=80

237

302

351

431

Verkhoyansk thrust belt

00JT25, JT26, JT29

3 samples (grouped)

N=281

Miller et al. (2006)

Verkhoyansk thrust belt

00JT25, JT26, JT29

3 samples (grouped)

N=229

293312

354

483

S. Verkhoyansk thrust belt

04AP 226

N=105

S. Verkhoyansk thrust belt

04AP 226

N=58

260

287 300

447

495