Robuta

https://www.usgs.gov/publications/tracer-transport-fractured-crystalline-rock-evidence-nondiffusive-breakthrough-tailing Tracer transport in fractured crystalline rock: Evidence of nondiffusive breakthrough tailing |... Extended tailing of tracer breakthrough is often observed in pulse injection tracer tests conducted in fractured geologic media. This behavior has been... crystalline rocktracertransportfractured