Tracing regional flow paths to major springs in Trans-Pecos Texas using geochemical data and geochemical models


Material Information

Tracing regional flow paths to major springs in Trans-Pecos Texas using geochemical data and geochemical models
Series Title:
Chemical Geology
Uliana, Matthew M.
Sharp Jr., John M.
Publication Date:


Subjects / Keywords:
Hydrogeology ( local )
Hydrochemistry ( local )
Models ( local )
Springs ( local )
Trans-Pecos ( local )
Phreeqc ( local )
serial ( sobekcm )


San Solomon, Giffin, and Phantom Lake Springs, located in Trans-Pecos Texas, have a high TDS, Na–Cl–SO4 baseflow component derived from a regional flow system and a low TDS, mixed cation–mixed anion stormflow component derived from local precipitation events. The hypothesis that the regional flow system maintaining baseflow spring discharge originates in the Salt Basin and flows through the Apache Mountains towards the springs is tested with historical geochemical data from wells and springs. Data from over 1400 wells in the study area over a 50-year period were analyzed and used to delineate 11 hydrochemical facies based on the predominant ions.
Original Version:
Chemical Geology, Vol. 179, no. 1-4 (2001-09-01).

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