Supplemental Material: Native origin of a Middle and Late Jurassic volcanic arc complex, northwestern Sierra Nevada, California, USA

Key Points

• Findings indicate the native origin of a volcanic arc complex in the Sierra Nevada region.
• Key evidence includes detailed analytical results of U-Pb and Lu-Hf isotopes from volcaniclastic samples.
• Assessment involved analyzing chromite grains and other isotopes to uncover geological insights.
• Implications highlight the importance of isotopic studies in understanding volcanic origins and geology.