Chemical erosion ; Core sampling ; Erosion rate ; Experimental catchment ; Fracture ; Puerto Rico ; Regolith ; Underground water ; Water budget ; Watershed ; Weathering
aboveground and along fracture surfaces on subsurface rocks. Such corestones at the land surface are assumed to be what remains after exhumation of similar, fractured bedrock pieces that were observed in the drilled cores between thick layers of regolith. Some