1. A method of analyzing the results of a fracturing process, comprising: a) disposing in a formation fracture, a proppant and/or a fracturing fluid that comprises a radiation susceptible material; b) irradiating the radiation susceptible material with neutrons during a single logging pass of a logging tool; c) measuring gamma-radiation emitted from the radiation susceptible material; d) processing the measured gamma-radiation data in accordance with a Monte Carlo-based simulation model; and e) determining formation fracture geometry of the fracture.