A computer-implemented method, comprising: obtaining geological data representing a subterranean volume; generating a structural model of the subterranean volume in depositional space and geological space, wherein the structural model comprises a grid of cells, wherein generating the structural model comprises: generating the structural model, in geological space, of the subterranean volume using the geological data; transforming the structural model from the geological space to depositional space; defining the grid of cells for the structural model in depositional space; and transforming the structural model, including the grid, to the geological space to define a depogrid; selecting a first cell and a second cell of the grid of cells, the first and second cells being juxtaposed in the depogrid and defining a fault face where the first and second cells are intersected by a fault; identifying a first point in the depogrid that is on the fault face of the first and second cells, wherein the first point is a single point in the geological space and is represented as a plurality of first points in the depositional space; the method characterized by: transforming the structural model from the depositional space to the geological space to identify a plurality of second points in the geological space based on a plurality of second points in the depositional space, the plurality of second points being co-located with the plurality of first points in the depositional space; calculating a plurality of slip curves, wherein respective slip curves originate at the first point in the depogrid and extend across the fault in the geological space to a respective second point of a plurality of second points in the depogrid; calculating one or more fault rock properties at the first point based on grid clay volume (VClay) properties encountered along the slip curves; adjusting the depogrid to include the one or more fault rock properties; and outputting the adjusted depogrid for use in identifying and drilling hydrocarbon reservoir locations. obtaining geological data representing a subterranean volume; generating a structural model of the subterranean volume in depositional space and geological space, wherein the structural model comprises a grid of cells, wherein generating the structural model comprises: generating the structural model, in geological space, of the subterranean volume using the geological data; generating the structural model, in geological space, of the subterranean volume using the geological data; transforming the structural model from the geological space to depositional space; defining the grid of cells for the structural model in depositional space; and transforming the structural model, including the grid, to the geological space to define a depogrid; selecting a first cell and a second cell of the grid of cells, the first and second cells being juxtaposed in the depogrid and defining a fault face where the first and second cells are intersected by a fault; identifying a first point in the depogrid that is on the fault face of the first and second cells, wherein the first point is a single point in the geological space and is represented as a plurality of first points in the depositional space; the method characterized by: transforming the structural model from the depositional space to the geological space to identify a plurality of second points in the geological space based on a plurality of second points in the depositional space, the plurality of second points being co-located with the plurality of first points in the depositional space; calculating a plurality of slip curves, wherein respective slip curves originate at the first point in the depogrid and extend across the fault in the geological space to a respective second point of a plurality of second points in the depogrid; calculating one or more fault rock properties at the first point based on grid clay volume (VClay) properties encountered along the slip curves; adjusting the depogrid to include the one or more fault rock properties; and outputting the adjusted depogrid for use in identifying and drilling hydrocarbon reservoir locations. calculating a plurality of slip curves, wherein respective slip curves originate at the first point in the depogrid and extend across the fault in the geological space to a respective second point of a plurality of second points in the depogrid; calculating one or more fault rock properties at the first point based on grid clay volume (VClay) properties encountered along the slip curves; adjusting the depogrid to include the one or more fault rock properties; and outputting the adjusted depogrid for use in identifying and drilling hydrocarbon reservoir locations.