GROUND WATER IN NORTH-CENTRAL TENNESSEE

60 GROUND WATER IN NORTH-CENTRAL TENNESSEE
Partial log of Franklin Oil & Fuel Co.'s test well on J. M. Alsup property, 1% miles
north of Murfreesboro, Rutherford County, Tenn.
[No. 427, pL 4] Feet
Record missing________________________ 0-40
Limestone, fine grained, light gray and dove-colored;
water bearing at depth of 70 feet________ 40-90
Limestone, dense, dark bluish gray; phosphatic sandy
limestone at base__________________ 90-210
Limestone, dense, light gray and dove-colored______ 210-285
Magnesian limestone, dense, white, yellowish, or gray;
little or no chert_____________________ 285-330
Magnesian limestone, fine grained, light gray, con­
taining dense white chert_______________ 330-440
Magnesian limestone, white or light gray; little or no
. chert.___.________________.___ 440-610
Sandstone, dark buff; grains of chert and of magnesian
limestone in calcareous and ferruginous cement.__ 610-620
Magnesian limestone, massive or crystalline, white
or light gray; little or no chert____________ 620-680
Magnesian limestone, fine grained, light gray or
yellowish, containing much white or light-gray
chert and scattered crystals of pyrite-__________ 680-995
Magnesian limestone, very fine grained, yellowish; lit­
tle or no chert; calcareous sand at depth of 1,080 feet. 995-1, 150
Limestone, bluish gray, fine grained-___________ 1,150-1,170
Magnesian limestone, yellowish gray; no chert; cal­
careous sand at depth of 1,200 and 1,235 feet____ 1,170-1, 240
Magnesian limestone, gray, granular, cherty________ 1, 240-1, 255
Magnesian limestone, fine grained, yellowish gray;
moderate amount of white or smoky chert._____ 1, 255-1, 355
Magnesian limestone, fine grained, white or yellowish
gray, iron stained; contains rounded grains of chert
and magnesian limestone, also moderate amount
of white chert______________________ 1, 355-1, 425
Dolomite, dense or crystalline, white, with white and
smoky ch©rt.____ _ ____ _ _____ ___ __ 1, 42&-1, 4fi5~
Magnesian limestone, dense or fine grained, light buff
or gray; no chert._________ __ __ 1, 465-1, 540
Magnesian limestone, white or light gray, dense, with
much banded bluish-gray chert and some crystal­
line quartz________________________ __ 1, 540-1, 600
Magnesian limestone, dense or fine grained, white or
light gray, moderately cherty_______ _______ 1, 600-1, 680
Magnesian limestone and dolomite, massive, very
light gray; no chert...___.__ _._._-_.-- 1, 680-1, 715
Dolomite, light gray, very cherty, with much iron
oxide. __._._._..._.__________. __ 1,716-1, 7-25
Dolomite, dense, white to dark gray, extremely
cherty, with some crystalline quartz ______ 1, 725-1, 795
Dolomite, dense or fine grained, dark gray; no chert. 1, 795-1, 810
Dolomite, light gray, extremely cherty, with much
iron oxide- .--_._.._.._..._.. - 1, 810-1, 825
Dolomite, white to dark gray, massive and crystal­
line; white and smoky chert very abundant from
1,845 to 1,860 feet...._.__._____-_ - 1, 825-1, 930