Geology & Earth Science

Facies Migration (Walther's Law)

shoreline transgression / regression

As sea level rises and falls, depositional facies migrate laterally — vertical successions record the same environments Walther saw side by side.

Computed & rendered in pure C# on the frozen OnlyCSharp 1.8 library — animation baked to GIF with the library's own Gif encoder (no GPU, no ffmpeg, no external packages).