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Supplemental Material: Volcanic record of the arc-to-rift transition onshore of the Guaymas basin in the Santa Rosalía area, Gulf of California, Baja California

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journal contribution
posted on 09.07.2020 by C. Busby, et al.
Item S1: Analytical methods, including XRF and ICP-MS whole-rock geochemical analysis, 40Ar-39Ar geochronological analytical methods, and zircon isotopic methods. Item S2: Excel spreadsheet of whole-rock geochemical data, including XRF and LA-ICPMS data. Item S3: 40Ar-39Ar geochronological data: Summary table, and data tables and plots for each sample. Item S4: U-Pb zircon data. Item S5. Hf-isotope zircon data. Item S6: Outcrop photos. Item 7: Photomicrographs, including examples of all samples dated by 40Ar-39Ar. Item S8: Summary of published definitions of adakites and high magnesium andesites. Item S9: KMZ files for geologic maps.