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Formation Member Thickness Debth to Bottom Physical Character <br /> (ft) (ft) <br /> UNCONSOLIDATE 1 <br /> N I O B RA RA ".ATERIAL--- 10' 0 <br /> FORMATION �Y <br /> FOUR-T-HAYES 40 50 Hord blocky white to light-gray limestone beds 1/2_to 3 ft <br /> (Upper Cretaceous) I. #STQN thick alternating with thin beds of gray shale. <br /> CODELL SANDSTONE 6 56 Hard brown sandy peiroliferous limestone. <br /> CARLILE 131 Bluish-gray to black fissle marine shale;contains <br /> EitILS�THALF=-- <br /> - - large calcareous concentrations in upper part. <br /> SHALE —. _- - -- <br /> FAIRP.6 .:-C-f IKY--- 75 206 Tan to blue-block chalky calcareous shale;contains <br /> (Upper Cretaceous) --__ -SHALE-- thin beds of limestone in lower part. <br /> - BRIDGE-C EEK-L-^L 50 256 Interbedded block calcareous shale and light-gray <br /> LIMESTONE I fossilit'erous limestone. <br /> GREENHORN HARTLAND SHALE— 20 v6 furl-c ra shale contains thin beds of bentonitc. <br /> LIMESTONE _1___----__-___ ___. .r_ _.- <br /> --L-1NC6 Nltiimi STONE 40 16 Gray thin-bedded petrol shag s limestone and <br /> (Upper Cretaceous) calcareous shale. <br /> Dark-groy to block fisslile gypsiferous shale;contains <br /> GRAN E ROS --- 1 10 15G zone of calcareous concentrations about 40 ft below <br /> SHALE --- top.Alternating beds of shale and sandstone at <br /> base. <br /> (Upper Cretaceous) <br /> Tan to bright gray, fine-to medium-grained massive sandstone. <br /> UPPER SANDSTONE May be coglomeratic and moderately cemented,but may <br /> DAKOTA be soft and contain thin shale beds. <br /> 10� 5�f <br /> SANDSTONE DRY CREEK CANYON Dark-groy to block sandy shole, this unit may not be <br /> present. <br /> (Lower Cretaceous) LOWER SANDSTONE Medium- rained sandstone. <br /> Source: USGS Water Supply Paper 1799(141cist, 1965) <br /> RIO GRANDE PORTLAND CEMENT COMPANY_ <br /> RED ROCK PLANT & LIMESTONE MINE <br /> Pueblo County, Colorado <br /> Permit# 1 't l��r Confidential?­P/L --- - - <br /> (� EXHIBIT C-7 <br /> Class i �-- Type�eQ'�— GENERALIZED GEOLOGIC SECTION <br /> M�,# Inspection Date <br /> REV DESCRIPTION BY DATE <br /> Doc Date(if no date stamp) 47 J // of Revised to include Depth to Bottom PBE 06.28.02 <br /> Ey J F[ ^�L �1C�IC __ EJEnM.C.)O1Y <br /> Doc Name l• - Serr 1( IV <br /> From DRMS/Other _ <br /> To DRMS/Other - <br /> DRAWN BY:PBE PREPARED BY:PAK I DATE:06.28.02 <br />