Hydrogeochemical and stream sediment reconnaissance basic data for Bay City NTMS Quadrangle, Texas

Results of a reconnaissance geochemical survey of the Bay City Quadrangle, Texas are reported. Statistical data and areal distributions for uranium and uranium-related variables are presented for 55 groundwaters and 46 stream sediment samples. Also included is a brief discussion on location and geologic setting. The Bay City Quadrangle is represented by a small area with relatively simple surface and subsurface geology. Two stratigraphic units are exposed at the surface and only one aquifer system supplies the groundwater samples. The results of the groundwater geochemical analysis show uranium associated with saline waters thus indicating possible salt water infiltration from the Gulf. The geochemical results from the analysis of stream sediments indicate uranium in association with resistate mineral indicators