Norphlet Formation (Upper Jurassic) - Berg - Hughes Center

Ernest A. Mancini et al 889©' 111" * SiU*' •! ff * '. ^ ,,' -^ ' ..,',i:.,,,v .if'**' jii' " .'li^r ,:; «ii|''''• :=" '" -i:. ' i „ W&^.S^^'^%\ j ** •\*.I I0.10 mmFigure 9—Photomicrographs illustrating sandstone compositional and textural characteristics and porosity types of Norphlet Formationin southwestern and offshore Alabama. (A) Conglomeratic sandstone, Jack Stack McMillan 20-61 well, Conecuh County, depth12,748 ft (3,885.6 m). (Note matrix at M.) (B) Playa lake deposits, Getty Peter Klein 3-14 1 well, Mobile County, depth 18,359 ft(5,595.8 m). (Note matrix at M.) (C) Wadi sandstone secondary dissolution porosity at P, Mosbacher Powell Gas Unit 19-4, EscambiaCounty, depth 15,456 ft (4,711.0 m). (D) Eolian dune sandstone secondary dissolution porosity at P, Louisiana Land & Exploration T.R. Miller Mill Company 32-31 well, Escambia County, depth 15,550 ft (4,739.6 m). (E) Eolian dune sandstone secondary dissolutionporosity at P, Getty Peter Klein 3-14 1 well. Mobile County, depth 18,403 ft (5,609.2 m). (F) Eolian sandstone secondary dissolutionporosity at P, Exxon State Block 621 well, Mobile Bay, depth 20,514 ft (6,252.7 m).