Geological Society of America
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Supplemental Material: Precursors to a continental-arc ignimbrite flare-up: Early central volcanoes of the San Juan Mountains, Colorado, USA

journal contribution
posted on 2023-10-26, 17:26 authored by Peter Lipman, et al.

Table S1: Summary of 40Ar/39Ar and U-Pb zircon age determinations, pre-ignimbrite volcanoes of the eastern San Juan region. Table S2: New and published X-ray fluorescence (XRF) rock analyses, pre-ignimbrite volcanoes of the San Juan region. Table S3 and figures: Analytical data—new 40Ar/39Ar age determinations. Table S4: Analytical data—new U-Pb zircon age determinations. Table S5: Multimineral age comparisons—single samples and multiple samples from the same locality. Table S6: Groundmass-mineral age comparisons.