Present-day volcanism on Venus as evidenced from weathering rates of olivine
J. Filiberto, D. Trang, A. H. Treiman, M. S. Gilmore
Abstract
). With increasing alteration, the VNIR 1000-nm absorption, characteristic of olivine, also weakens within days. Our results indicate that lava flows lacking VNIR features due to hematite are no more than several years old. Therefore, Venus is volcanically active now.
Topics & Concepts
VolcanismVenusOlivineWeatheringAstrobiologyGeologyEarth scienceVolcanoGeochemistrySeismologyPhysicsTectonicsPlanetary Science and ExplorationAstro and Planetary ScienceGeology and Paleoclimatology Research