Pu‘u‘ō‘ō eruption (Kīlauea Volcano East Rift Zone). White ink on paper.
16 Psyche (after artist interpretation). Prismacolor Verithin on coquille paper.
Mount St. Helens, magma bulge in spring 1980. Digital (Procreate, Adobe Photoshop).
Rock specimen, possibly lepidolite. Graphite on paper.
Fluorite samples. Digital (Procreate).