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Balestrieri, Maria Laura; Ferrari, Luca; Bonini, Marco; Duque-Trujillo, Jose; Cerca, Mariano; Moratti, Giovanna; Corti, Giacomo (2017): Onshore and offshore apatite fission-track dating from the southern Gulf of California [dataset publication series]. PANGAEA, https://doi.org/10.1594/PANGAEA.874777, Supplement to: Balestrieri, ML et al. (2017): Onshore and offshore apatite fission-track dating from the southern Gulf of California: Insights into the time-space evolution of the rifting. Tectonophysics, 719-720, 148-161, https://doi.org/10.1016/j.tecto.2017.05.012

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Abstract:
We present the results of an apatite fission-track (AFT) study on intrusive rocks in the southern Gulf of California, sampled along the eastern margin of Baja California Sur (western rift margin), as well as from islands and submerged rifted blocks within the Gulf of California, and from the conjugate Mexican margin (Nayarit state). For most of the samples U-Pb zircon and 40Ar-39Ar mineral ages were already available (Duque-Trujillo et al., 2015). Coupled with the new AFT data these ages provide a more complete information on cooling after emplacement. Our samples span a wide range of ages between 5.5±1.1 and 73.7±5.8 Ma, and show a general spatial distribution, with late Miocene AFT ages (about 6 Ma) aligned roughly NW-SE along a narrow offshore belt, parallel to Baja California Peninsula, separating older ages on both sides. This pattern suggests that in Late Miocene, deformation due to plate transtension focused at the eastern rheological boundary of the Baja California block. Some Early Miocene AFT ages onshore Baja California could be related to plutons emplaced at shallow depths and thermal resetting associated with the onset of volcanism at ~19 Ma in this part of the Peninsula. On the other hand, an early extensional event similar to that documented in the eastern Gulf cannot be ruled out in the westernmost Baja California.
Coverage:
Median Latitude: 24.670905 * Median Longitude: -109.662191 * South-bound Latitude: 20.868500 * West-bound Longitude: -111.791100 * North-bound Latitude: 26.782700 * East-bound Longitude: -104.191700
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
22 datasets

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Datasets listed in this publication series

  1. Balestrieri, ML; Ferrari, L; Bonini, M et al. (2017): Apatite fission dating from intrusive rock sample BARR04. https://doi.org/10.1594/PANGAEA.874755
  2. Balestrieri, ML; Ferrari, L; Bonini, M et al. (2017): Apatite fission dating from intrusive rock sample BC0925. https://doi.org/10.1594/PANGAEA.874756
  3. Balestrieri, ML; Ferrari, L; Bonini, M et al. (2017): Apatite fission length measurements from intrusive rock sample BC0925. https://doi.org/10.1594/PANGAEA.874775
  4. Balestrieri, ML; Ferrari, L; Bonini, M et al. (2017): Apatite fission dating from intrusive rock sample BEKL4D1. https://doi.org/10.1594/PANGAEA.874759
  5. Balestrieri, ML; Ferrari, L; Bonini, M et al. (2017): Apatite fission dating from intrusive rock sample BEKL6D1a. https://doi.org/10.1594/PANGAEA.874760
  6. Balestrieri, ML; Ferrari, L; Bonini, M et al. (2017): Apatite fission dating from intrusive rock sample BEKL8D6a. https://doi.org/10.1594/PANGAEA.874761
  7. Balestrieri, ML; Ferrari, L; Bonini, M et al. (2017): Apatite fission dating from intrusive rock sample BEKL10D1a. https://doi.org/10.1594/PANGAEA.874757
  8. Balestrieri, ML; Ferrari, L; Bonini, M et al. (2017): Apatite fission dating from intrusive rock sample BEKL21B. https://doi.org/10.1594/PANGAEA.874758
  9. Balestrieri, ML; Ferrari, L; Bonini, M et al. (2017): Apatite fission dating from intrusive rock sample BLC6. https://doi.org/10.1594/PANGAEA.874762
  10. Balestrieri, ML; Ferrari, L; Bonini, M et al. (2017): Apatite fission dating from intrusive rock sample BLC7a. https://doi.org/10.1594/PANGAEA.874763
  11. Balestrieri, ML; Ferrari, L; Bonini, M et al. (2017): Apatite fission dating from intrusive rock sample BLC7b. https://doi.org/10.1594/PANGAEA.874764
  12. Balestrieri, ML; Ferrari, L; Bonini, M et al. (2017): Apatite fission dating from intrusive rock sample BV05. https://doi.org/10.1594/PANGAEA.874765
  13. Balestrieri, ML; Ferrari, L; Bonini, M et al. (2017): Apatite fission dating from intrusive rock sample DANA47A. https://doi.org/10.1594/PANGAEA.874766
  14. Balestrieri, ML; Ferrari, L; Bonini, M et al. (2017): Apatite fission dating from intrusive rock sample ORO01. https://doi.org/10.1594/PANGAEA.874767
  15. Balestrieri, ML; Ferrari, L; Bonini, M et al. (2017): Apatite fission dating from intrusive rock sample PB32. https://doi.org/10.1594/PANGAEA.874768
  16. Balestrieri, ML; Ferrari, L; Bonini, M et al. (2017): Apatite fission length measurements from intrusive rock sample PB32. https://doi.org/10.1594/PANGAEA.874776
  17. Balestrieri, ML; Ferrari, L; Bonini, M et al. (2017): Apatite fission dating from intrusive rock sample ROCA4J16b. https://doi.org/10.1594/PANGAEA.874770
  18. Balestrieri, ML; Ferrari, L; Bonini, M et al. (2017): Apatite fission dating from intrusive rock sample ROCA24J24. https://doi.org/10.1594/PANGAEA.874769
  19. Balestrieri, ML; Ferrari, L; Bonini, M et al. (2017): Apatite fission dating from intrusive rock sample SAYU02. https://doi.org/10.1594/PANGAEA.874771
  20. Balestrieri, ML; Ferrari, L; Bonini, M et al. (2017): Apatite fission dating from intrusive rock sample SC0904. https://doi.org/10.1594/PANGAEA.874772
  21. Balestrieri, ML; Ferrari, L; Bonini, M et al. (2017): Apatite fission dating from intrusive rock sample SC0908. https://doi.org/10.1594/PANGAEA.874773
  22. Balestrieri, ML; Ferrari, L; Bonini, M et al. (2017): Apatite fission dating from intrusive rock sample SCR27. https://doi.org/10.1594/PANGAEA.874774