© The Geological Society of America, 2017. Manuscript received 18 July 2016 Revised manuscript received 31 Jan. We show how these technologies can aid field visualization and discuss how developing digital field workflows and 3D visualizations will transform field studies, allowing the resolution of problems that were impossibly complex without this technology. The key advance is the ability to easily construct high-resolution, photorealistic terrain models as a base surface for 3D mapping using Structure from Motion (SfM) photogrammetry terrain models, particularly through the aid of unmanned aerial systems (UAS). Basic digital mapping is just the tip of the iceberg, however, in regard to new and approaching capabilities with true 3D mapping. Digital geologic mapping is now a fully mature technology that dramatically improves field efficiency and problem solving capabilities.
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