Skip to main content

Mineral Resources On-Line Spatial Data

  1. Mineral Resources
  2. Online Spatial Data
  3. Geology
  4. by state
  5. Arkansas

St. Peter Sanstone and Everton Formation (Middle Ordovician)

XML
JSON
St. Peter Sanstone and Everton Formation (Middle Ordovician)
State Arkansas
Name St. Peter Sanstone and Everton Formation (Middle Ordovician)
Geologic age Phanerozoic | Paleozoic | Ordovician-Middle
Comments St. Perter Sanstone-white saccharoidal sandstone (200ft.); Everton FM-mainly dolomite, limestone interbedded with sandstone and some massive sandstone beds (205 ft.). Approximately 405 ft. maximum thickness. Summary-55% sandstone, 35% dolomite, 10% limestone.
Primary rock type sandstone
Secondary rock type dolostone (dolomite)
Other rock types limestone
Lithologic constituents
Major
Sedimentary > Carbonate > Dolostone (Bed)
Sedimentary > Clastic > Sandstone (Bed)
Incidental
Sedimentary > Carbonate > Limestone (Bed)
Map references
Haley, B. R., Glick, E. E., Bush, W. V.; Clardy, B. F.; Stone, C. G.; Woodward, M. B., Zachry, D.L., 1993, Geologic Map of Arkansas: U.S.Geological Survey Special Geologic Map. Scale 1:500K
Unit references
Ferguson, J.G., 1920. Outlines of the geology, soils, and minerals of the State of Arkansas: Arkansas State Bureau of Mines, Manufactures and Agriculture,192 pp.
Counties Baxter - Boone - Carroll - Fulton - Independence - Izard - Lawrence - Madison - Marion - Newton - Searcy - Sharp - Stone