JURASSIC FORMATIONS IN THE NORTH LISBON 



UNION PRODUCING CO, 

 MCDONALD UNIT NO.I 

 SEC.I3.T.2IN., R.5W. 

 CLAIBORNE PARISH, LA. 



T-7500 FEET 



FIELD, CLAIBORNE PARISH, LOUISIANA. 



COTTON 

 VALLEY 

 FORMATION 





UNION PRODUCING CO. 



Z.J.MEAOOWS NO.I 

 SEC.ie.TZIN.. R.4W. 

 CLAIBORNE PARISH, LA. 



BUCKNER 

 FORMATION 



SMACKOVER 

 FORMATION 



SHALE, PARTLY SANDY OR CALCAREOUS. DARK GRAY, BLACK, OR 

 BROWN. A FEW THIN BEOS OF HARD, DENSE, GRAY TO 

 WHITE SANDSTONE. THIN BEDS OF LIMESTONE MOST 

 COMMON TOWARD BASE. 



tisf?tone7itish:^=^° "fSP^^ "^^^ 



DENSE TO POROUS. PARTLY CALCAREOUS. 

 SHALE. PARTLY S*NDY OR CALCAREOUS OR^Y^TO^^ BLACK. ^^^^_ 



SOME «"^°;;X,; TO BROWN LIMESTONE .N LOWER F.«T. 

 MANY BEOS OF GRAY lo 



SHALE AND LIMESTONE. 



-^O^rseOS OF 0-. -^,, .MESTOHe. 

 BLACK. OOUT^C OR 



it^A 





• LOCATION Of WELLS 



Figure 445. Columnar subsurface sections of Upper Jurassic formations in North Lisbon 

 field, Claiborne Parish, Louisiana. (From Imlay. Reproduced permission Am. Assoc. 

 Petroleum Geologists.) 



