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Primary Lithologies of Select Principal Aquifers

Detailed information about geology of all principal aquifers is available from the USGS Ground Water Atlas

Primary Lithologies

Aquifers

Sand and Gravel
  • Basin and Range basin-fill aquifers
  • California Coastal Basin aquifers
  • Central Valley aquifer system
  • Columbia Plateau basin-fill aquifers
  • Glacial aquifer system
  • High Plains aquifer
  • Rio Grande aquifer system
  • Snake River Plain basin-fill aquifers
  • Surficial aquifer system overlying the Floridan
Semiconsolidated Sand
  • Coastal Lowlands aquifer system
  • Mississippi Embayment aquifer system
  • Northern Atlantic Coastal Plain aquifer system
  • Texas Coastal Uplands aquifer system
Sandstone Rock
  • Cambrian-Ordovician aquifer system
  • Denver Basin aquifer system
  • Early Mesozoic basin aquifers
  • Valley and Ridge non-carbonate-rock aquifers
Carbonate Rock
  • Basin and Range carbonate-rock aquifers
  • Biscayne aquifer
  • Floridan aquifer system
  • Piedmont and Blue Ridge carbonate-rock aquifers
  • Valley and Ridge carbonate-rock aquifers
Crystalline Rock
  • Piedmont and Blue Ridge crystalline-rock aquifers
  • New England crystalline-rock aquifers
Basaltic Rock
  • Columbia Plateau basaltic-rock aquifers
  • Hawaiian volcanic-rock aquifers
  • Snake River Plain basaltic-rock aquifers
Sandstone and Carbonate Rock
  • Edwards-Trinity aquifer system

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Page Last Modified: Tuesday, 04-Mar-2014 14:45:23 EST