Analysis of the Relationship Between SiO₂ Content in Volcanic Tuff Materials from Lampung at Hatta Bakauheni Using Portable XRF as a Supporting Method for Rock Magnetism in Determining Their Magnetic Properties. Journal of Science, Technology, and Innovation, [S. l.], v. 1, n. 3, p. 104–114, 2026. DOI: 10.65310/ezzxgs33. Disponível em: https://scriptaintelektual.com/inventa/article/view/964. Acesso em: 6 may. 2026.