This article aims to debate the environmental policy in the state of Minas Gerais based on observing the standards adopted and the territorial reflexes, highlighting how the relaxing the environmental licensing processes over the past few years has influenced the expansion of the frontier of mining activities to different mesoregions of Minas Gerais. Based on a literature review, documentary research and data available in the System for Consultations and Decisions on Environmental Licensing Processes from the State Secretariat for the Environment and Sustainable Development (SEMAD) and in the Spatial Data Infrastructure (IDE) of the State Environmental System (SISEMA) The text initially characterizes the institutionalization of environmental policy in Minas Gerais, and then analyzes the recent changes in the state’s environmental licensing. Lastly, the territorial implications are indicated by the advance of the frontier of the mineral sector and the corporate mining territories. The analyzes on the changes in licensing and the expansion of the mineral sector in the state cover the period between 2013 and 2022.