Earth during the Stenian period

A highly detailed, realistic depiction of Earth during the Stenian period (1.2–1.0 billion years ago), featuring vast ancient oceans, stabilized continental landmasses with minimal vegetation, barren rocky coastlines, pristine blue-green waters, early signs of red and purple microbial mats along shorelines, dramatic cloud formations in a clear sky, and a sense of primordial tranquility.