Groundwater Resources in the Llano Uplift Crystalline Massif Llano and Mason Counties, Texas Mishal Al-Johar November 24, 2009 CE 394K GIS in Water Resources
Groundwater Resources in the Llano Uplift Crystalline Massif Llano and Mason Counties, Texas
Feb 23, 2016
Groundwater Resources in the Llano Uplift Crystalline Massif Llano and Mason Counties, Texas Mishal Al- Johar November 24, 2009 CE 394K GIS in Water Resources. The Llano Uplift is characterized by GEOLOGY:Igneous and metamorphic crystalline granite, gneiss, and schist - PowerPoint PPT Presentation
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Groundwater Resources in the Llano Uplift Crystalline Massif
Llano and Mason Counties, Texas
Mishal Al-JoharNovember 24, 2009
CE 394K GIS in Water Resources
The Llano Uplift is characterized by
GEOLOGY: Igneous and metamorphic crystalline granite, gneiss, and schist
CLIMATE: Semi-arid
LANDUSE: Rural ranch land
SURFACE WATER: Several large, man-made reservoirsSmaller streams
GROUNDWATER: Low porosity crystalline rocksPermeable zones occur in fracturesRelatively low groundwater storage
THE CRYSTALLINE MASSIFF IN THE LLANO UPLIFT IS NOT “OFFICIALLY” A MINOR AQUIFER
DOES IT DESERVE TO BE?
Maréchal, J. C., B. Dewandel, and K. Subrahmanyam (2004)
Maréchal, J. C., B. Dewandel, and K. Subrahmanyam (2004)
Work completed so far:
1. Geology (outcrops and faults)2. Potentiometric surface3. Some water quality
Work to be done:
4. Fracture trends from aerial photos5. More water quality6. Better water table map7. Surface water and precipitation
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