|
P
<br />7:
<br />i2
<br />� FIGURE
<br />W O ¢ c
<br />OBSERVATION HOLE 80-07 -
<br />HYDROLOGY PROGRAM
<br />Leonard Rice Consulting Water Engineers, Inc.
<br />OBSERVATION
<br />HOLE
<br />CONSTRUCTION
<br />FF -U
<br />GEOPHYSICAL LOGS
<br />GAMMA BULK
<br />RAY DENSITY
<br />(squ) Cq /cm3 ) to
<br />M
<br />0 200 6000 0
<br />I
<br />f
<br />I
<br />I
<br />I
<br />dJ
<br />CALIPER
<br />(inches)
<br />10 5
<br />1 -I 0
<br />NORTHERN COAL COMPANY
<br />MEEKER 9 RIO BLANCO
<br />COUNTIES, COLORADO
<br />SEC. 20, TWP 2N, RNG 93 W
<br />OCTOBER, 1980
<br />GEOLOGY LOG
<br />(DEPTH ADJUSTED)
<br />Claystone, sandy, calcareous, soil
<br />a - = zone at top
<br />z
<br />1_ = Claystone, sandy, calcareous
<br />Sandstone, friable, calcareous
<br />Shale, carbonaceous in points
<br />Sandstone, friable, argelaceous
<br />stringer
<br />. -V . .. Sandstone, siltstone lenses
<br />r- Shale, sandy, siltstone lenses
<br />Siltstone, calcareous, sandy tense
<br />argelaceous in points
<br />Shale, carbonaceous, sandy, sand-
<br />- stone lenses, calcareous
<br />Coal with parting
<br />Siltstone, sandy, carbonaceous zone
<br />,•• Shale, silty to sandy, calcareous,
<br />stringers
<br />Siltatone, argelaceous, calcareous
<br />_ Shale, very sandy, calcareous, cos
<br />300 stringer so
<br />Siltstone, argelaceous, calcareous
<br />Sandstone, calcareous
<br />1•
<br />Shale, silty to sandy
<br />4004•,',•,••
<br />Sandstone, calcareous, friable
<br />1
<br />Shale, silty to sandy, siltstone
<br />lenses, coal stringer
<br />1
<br />n
<br />very sandy, calcareous
<br />iShale,
<br />Sandstone, carcareous, friable
<br />Shale, silty to sandy, carbonaceou
<br />stringers, coal bed
<br />500
<br />—
<br />Shale
<br />Sandstone, calcareous, some carbon
<br />aceous
<br />I j
<br />Shale, sandy, trace carbonaceous
<br />jA
<br />Coal
<br />Shale, silty to sandy, carbonaceou
<br />zone
<br />iltstone, calcareous, thin coal be
<br />600
<br />i
<br />Shale, silty to sandy, trace carbon
<br />ceous
<br />Sandstone, calcareous
<br />Shale, sandy, siltstone stringers,
<br />coal bed
<br />OF
<br />2
<br />Shale
<br />i
<br />Sandstone
<br />F.
<br />.-
<br />700
<br />Shale, sandy
<br />-
<br />I
<br />Shale, carbonaceous
<br />•
<br />_ OA
<br />FF
<br />LFF
<br />Coal
<br />Shale, carbonaceous zone, thin coal
<br />bed
<br />Sandstone
<br />800
<br />Shale, sandy stringers
<br />Siltstone, sandstone stringers
<br />EE
<br />I
<br />'•
<br />I
<br />Shale, sandstone streaks and strin-
<br />I
<br />gets, with thin coal bed
<br />1
<br />I
<br />900
<br />—
<br />Sandstone, calcareous, trace
<br />' .
<br />I
<br />DD
<br />Shale,
<br />silty, sandy stringers
<br />(
<br />1000
<br />—
<br />VERY POOR SAMPLES FROM 660'
<br />to 870' GEOLOGY INTERPRETED
<br />FROM GEOPHYSICAL LOG AND GEO-
<br />LOGRAPH
<br />
|