Supplemental Data Table 1. Paleomagnetic data and site statistical parameters for the Shinarump Formation sampled at Coyote Amphitheater and Abiquiu Dam. * = accepted for grand mean calculation. Site N/No Geogr. Geogr. Stratig. Stratig. a95(º) k Dec. (º) Inc. (º) Dec. (º) Inc. (º) Coyote Amphitheater RR 7 3/6 166.8 1.9 178.3 5.3 8 239 RR 6 1/6 RR 5 2/6 168.5 2 180 5.1 36.5 48.9 RR 4 2/6 167.9 10.5 180.7 13.6 29.3 74.9 RR 3 4/6 358.9 50.6 359.7 48.2 6 231.7 RR 2 2/6 329.5 42.3 335 36.2 80.4 11.9 RR 1 4/6 352.8 58.1 351.2 58.1 9.1 102.9 Abiquiu Dam AD 33 0/3 AD 34 2/3 2.6 63 5.2 2345.2 Supplemental Data Table 2. Paleomagnetic data and site statistical parameters for the Salitral Formation sampled at Coyote Amphitheater and Youngsville. * = accepted for grand mean calculation. Site N/No Geogr. Geogr. Stratig. Stratig. a95(º) k Dec. (º) Inc. (º) Dec. (º) Inc. (º) Coyote Amphitheater CK 6* 3/7 184.6 -5.6 183.3 -5.3 23.9 27.7 CK 5 2/3 5.8 1.6 5.4 1.7 51.8 25.4 CK 4 2/2 190.9 -0.1 190.7 -1.5 41.3 38.7 CK 3* 2/3 11.7 7.5 9.7 8.9 15.6 257.3 CK 2* 4/5 185.7 2.3 186.2 2.1 6.6 195.6 CK 1* 5/8 6.1 9.3 3.8 9.3 7.3 111.5 Youngsville YL 7 2/3 14.2 6.3 51.9 1.96 YL 6 0/7 YL 5 2/7 24.8 18 79.8 12 YL 4 2/9 350.9 16.7 83.1 11.3 YL 3* 5/8 356.2 14.6 13.6 32.7 YL 2* 6/11 187.5 8.3 18.6 14 YL 1 4/8 196.8 37.7 12.9 51.4 Supplemental Data Table 3. Paleomagnetic data and site statistical parameters for the Poleo Formation sampled at Coyote Amphitheater and Abiquiu Dam. * = accepted for grand mean calculation. Site N/No Geogr. Geogr. Stratig. Stratig. a95(º) k Dec. (º) Inc. (º) Dec. (º) Inc. (º) Coyote Amphitheater MM 8 7/8 177.7 -1.9 177.5 -0.5 5.1 140.8 MM 7 5/10 199.9 2.6 200.1 -0.3 10.6 53.3 MM 6 0/8 MM 5 4/9 182.7 -13.3 180.2 -12.6 4.9 347.2 MM 4 7/9 186.8 -4.6 185.9 -4.9 6.5 88 MM 3 0/10 MM 2 3/9 181.5 4 17.4 51.5 MM 1 7/9 153.1 -0.8 153.4 5 6.2 95.1 CCP 6* 2/6 176.6 -3.1 187.2 -1.4 37.6 46.2 CCP 5* 6/6 175 0.7 186.3 2.6 3.9 292.6 CCP 4* 6/6 174.7 -8.9 184.2 -6.8 8 70.8 CCP 3* 4/5 166.3 -7 176.4 -3.4 8.3 123.5 CCP 2* 5/5 174.7 -8.5 184.3 -6.4 5 233.7 CCP 1 0/6 Abiquiu Dam AD 1* 6/7 180.1 -0.9 10.4 42.1 AD 2* 8/8 193.8 2.6 6.9 66 AD 3* 8/8 188.5 4.5 8 49.1 AD 4* 7/8 182.3 7.2 11.1 30.3 AD 5* 9/10 190 9.3 3.5 213.7 AD 6* 8/8 186 2.3 2.5 479.5 AD 7* 8/8 185.7 -5.6 7.9 50.2 AD 8* 7/7 182.3 -11.2 7 76.2 AD 9* 7/8 178.4 0.3 15.4 16.3 AD 10* 6/8 179.1 -12.2 19 13.4 AD 11* 8/8 187.4 0.8 3.4 268.1 AD 12* 7/7 169.8 -8.2 9.3 42.8 AD 13* 5/7 175.6 5.3 11.9 42.3 AD 14* 7/7 170.9 6.4 4.1 216.5 AD 15* 9/9 167.7 9.2 5.3 96.8 AD 16* 8/8 168.7 8.9 6.6 70.6 AD 17 7/8 8.1 84 66.3 1.8 AD 18 7/8 134 -71.5 -59.3 1.2 AD 19* 7/8 205.8 -4.2 15.1 16.8 AD 20 0/7 AD 21 3/8 198.7 5.3 75 2.5 AD 22* 7/7 181.4 -12.1 6.1 99 AD 23* 6/7 177.2 4.1 13.6 25.2 AD 24 3/7 187.2 -7.3 27.5 21.2 AD 25 0/8 AD 26 9/9 180 -6.4 20.8 7.1 AD 27 4/7 45.8 -30.6 76.3 2.4 AD 28 5/9 165.6 -3.2 86.8 1.7 AD 29 8/9 211.3 -26.9 45.1 2.5 AD 30* 9/9 207.6 -15.1 10.8 23.6 AD 31* 5/7 195 -0.9 14.5 28.7 AD 32* 3/7 183.8 16.9 14.5 73 Supplemental Data Table 4. Paleomagnetic data and site statistical parameters for the Petrified Forest Formation sampled at Coyote Amphitheater and Abiquiu Dam. * = accepted for grand mean calculation. Site N/No Geogr. Geogr. Stratig. Stratig. a95(º) k Dec. (º) Inc. (º) Dec. (º) Inc. (º) Coyote Amphitheater CL 47* 3/7 208.5 -12 208.6 7.7 9.9 154.8 CL 46 0/8 CL 45 2/7 24 4.7 22.2 9.9 57 21.3 CL 44* 8/10 349.9 8.4 348.2 4.8 13.4 18.1 CL 43* 3/8 351.8 2.3 351.6 -0.7 10.3 143.4 CL 42* 2/7 351.3 -5.2 353 -8 10.5 572.5 CL 41* 5/8 4.7 -1 4.9 -0.5 9.8 61.6 CL 40* 8/10 182.8 0.8 183 0.8 8.5 43.7 CL 39* 7/5 174 5.1 175.6 7.2 5.4 127.8 CL 38* 7/9 178.8 6.6 180.7 7.5 6.2 96 CL 37* 4/4 164 7.9 166.6 12.5 2.6 1285.7 CL 36* 4/10 181 7.9 183.1 8.1 9.2 100.2 CL 35* 8/12 186.9 6.7 188.5 5.5 5.7 95.4 CL 34* 9/10 179.3 4.4 180.6 5.2 7.1 53.5 CL 33* 7/7 194.3 -4.8 192.7 -7.5 4.3 200.2 CL 32* 7/7 192.3 3.7 192.9 1.2 5.8 108.6 CL 31* 4/10 359.5 -5.7 1.1 -6.4 10.4 79.4 CL 30* 8/11 4.2 -12.4 7.4 -11.7 5.4 106.9 CL 29* 4/10 354.9 -12.6 358.5 -14.3 4.9 358.1 CL 28 0/9 CL 27* 4/10 359.7 -1.5 0.2 -2.3 10.6 76.4 CL 26* 4/13 357.4 -2.8 358.3 -4.2 16.3 32.6 CL 25* 10/10 357 4.6 356 2.9 5 94.9 CL 24* 5/10 186.3 1.1 186.5 0.2 15.3 26 CL 23* 6/10 186.1 5.6 187.4 4.6 8.1 69.5 CL 22* 4/11 182.9 7.2 184.8 7 16.8 30.9 CL 21* 4/10 181.3 15.4 185.4 15.3 13.9 44.9 CL 20 3/12 174.2 15.2 178.5 16.9 20.2 38.4 CL 19* 13/16 174.2 -1 174.2 1.3 6.3 43.8 CL 18* 12/16 175.5 -0.9 175.5 1.1 7.6 33.7 CL 17* 7/12 186.5 -1.1 186.1 -2 9.2 43.7 CL 16* 6/16 178.1 6.6 180 7.6 6.2 118.1 CL 15* 3/12 176.8 9.5 179.5 10.8 10.6 135.7 CL 14* 7/12 195.2 4.2 195.9 0.9 9.6 40.4 CL 13* 6/11 184.7 5.3 186 4.7 13.2 26.6 CL 12* 9/14 175.2 -1.4 175.1 0.7 4.4 138.2 CL 11* 4/19 183.6 3.6 184.5 3.3 11.3 67 CL 10 0/6 CL 9* 11/11 181.3 4.5 182.5 4.8 4.8 90.3 CL 8* 10/13 175.5 2.8 176.5 4.6 7.5 42.7 CL 7* 6/27 357 -4.2 358.3 -5.6 13.3 26.5 CL 6* 3/9 11.8 4.1 10.4 6.2 17.3 51.7 CL 5* 17/31 0.5 1.5 0.2 0.8 4.4 67.6 CL 4* 5/9 359.3 -7.7 1.4 -8.4 13.7 32 CL 3* 3/26 169 1.3 169.8 4.8 10.7 134.7 Supplemental Data Table 5. Paleomagnetic data and site statistical parameters for inferred Rock Point Formation sampled at Coyote Amphitheater and near Ghost Ranch. CB 1 and 2 are 2 m above the Coelophysis quarry. * = accepted for grand mean calculation. Site N/No Geogr. Geogr. Stratig. Stratig. a95(º) k Dec. (º) Inc. (º) Dec. (º) Inc. (º) Coyote Amphitheater CL 60* 6/9 19 11.2 19.2 -7.7 16.5 17.5 CL 59* 3/9 27.2 -4.1 26.2 -23.7 16.1 59.7 CL 58 3/6 13.7 0.5 12.4 -17.7 29.8 18.2 CL 57 0/9 CL 56 0/9 CL 55 0/9 CL 54 3/8 355.6 5.3 355.1 -9.5 23.9 27.6 CL 53* 5/10 4.9 -5.5 2.1 -22 10.5 54 CL 52* 5/7 19.9 0.1 18.8 -18.9 11.1 48.1 CL 51 3/7 355.3 0.5 353.6 -14.1 37.1 12.1 CL 50* 4/7 19.6 15.4 20.2 -3.6 22.5 17.7 CL 49 0/7 CL 48* 4/6 182.8 -6.2 182.4 10.2 9.3 99.5 Ghost Ranch Area CB 6 4/9 370.7 4 29.1 11 CB 5 0/8 CB 4 3/8 176.3 17.8 39.7 10.7 CB 3 0/8 GRRP 9* 3/4 24.6 1.4 22.1 32.1 GRRP 8* 3/6 9.6 11.7 22.6 30.8 GRRP 7 0/8 GRRP 6 0/1 GRRP 5* 5/7 10.1 -2.7 13.2 34.6 CB 2* 11/12 192.6 0.6 5.7 64.3 CB 1* 18/18 189.4 7.7 3.4 107.3 GRRP 4 0/6 GRRP 3* 3/4 6.7 19.7 10.2 148.4 GGRP 2 0/4 GRRP 1* 5/7 0.3 5.4 15.2 26.4 Supplemental Data Table 6. Paleomagnetic data and site statistical parameters for the lower Chinle Group sampled at Six Mile Canyon, Zuni Mountains. * = accepted for grand mean calculation. Site N/No Geogr. Geogr. a95(º) k Dec. (º) Inc. (º) Petrified Forest Fm. SMC 1* 11/11 183.4 -13.1 13.4 12.6 SMC 2* 7/7 189.4 -5 10 37.3 SMC 3* 5/6 183.5 0.8 6 166.2 Bluewater Creek Fm. SMC 4 0/12 Dual polarity SMC 5* 5/8 167.1 -8.7 22.6 12.5 SMC 6 0/1 SMC 7* 6/6 180.6 17.5 10.1 44.5 SMC 8 0/10 Dual polarity SMC 9* 7/7 176.6 -4.5 10.7 32.7 SMC 10* 6/17 162.4 -7.3 13.4 26.7 Supplemental Data Table 7. Paleomagnetic data and site statistical parameters for the upper Bull Canyon and Redonda Formations sampled at Mesa Redonda. * = accepted for grand mean calculation. Site N/No Geogr. Geogr. a95(º) k Dec. (º) Inc. (º) Redonda Fm. MR 31 0/5 MR 30* 4/6 187.7 1.5 6.6 195.9 MR 29* 5/6 187.3 -2.2 11.8 42.8 MR 28 0/6 MR 27 3/6 196.4 -6.2 33.9 14.3 MR 26 0/6 MR 25 0/6 MR 24 0/6 MR 23 0/6 MR 22 5/6 228.4 42.5 18.6 17.9 MR 18* 5/6 193.9 4.7 17.1 20.9 MR 17* 5/5 184.5 -12.3 8.5 81.3 MR 15* 6/6 172.6 -6.9 9.1 54.6 MR 14 0/2 MR 13* 4/5 354.8 2.1 14.1 43.5 MR 12* 7/7 3.8 7 9.1 44.9 MR 11* 7/7 338 15.6 6.4 90.7 MR 10 0/7 MR 9 0/7 MR 8* 7/8 179.5 -10 10.7 32.5 MR 7 2/5 169.8 -6.5 24.6 105.5 MR 6 0/5 MR 5 2/10 2.5 5.3 39.5 42 MR 4* 5/10 4.7 -2.9 11.3 46.6 Bull Canyon Fm. MR 3 0/2 MR 2 11/12 180.7 3.7 5.5 68.8