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Data from Stratigraphic Test Holes Drilled at the U.S. Marine Corps Air Station, Cherry Point, North Carolina, 1994–2001, and Periodic Water Levels, 2000–2003

Open-File Report 2004–1434
By Beth M. Wrege and Philip S. Jen


Strat-1

Figure 4. Map showing location of Strat-1 well

Table 3. Lithologic log for Strat-1 test hole

Figure 5. Selected borehole geophysical logs collected in Strat-1 test hole

Figure 6. Strat-1 monitoring-well construction report

Table 4. Periodic water levels in Strat-1 monitoring well

Figure 7. Hydrograph showing ground-water levels in Strat-1 monitoring well, September 2000–August 2002


Generalized map of MCAS showing location of Strat-1 well
Figure 4. Location of Strat-1 well at U.S. Marine Corps Air Station, Cherry Point, North Carolina.

Table 3. Lithologic log for Strat-1 test hole, U.S. Marine Corps Air Station, Cherry Point, North Carolina.
 
[mm, millimeter]
Depth below land surface (in feet) Description (compiled by B.M. Wrege)
0.0 – 3.0 SOIL.
3.0 – 4.0 Silty CLAY.
4.0 – 5.0 Silty, sandy CLAY.
5.0 – 6.0 Fine SAND.
6.0 – 8.0 No sample.
8.0 – 10.0 SAND.
10.0 – 12.0 Gray silty CLAY.
12.0 – 14.0 Gray SAND, some silt.
14.0 – 15.0 Well-sorted fine SAND–light gray.
15.0 – 18.0 Fine–medium SAND, clay ball.
18.0 – 20.0 Fine silty, clayey SAND–light gray.
20.0 – 22.0 CLAY stringers, coarse sand.
22.0 – 24.0 Silty CLAY, coarse sand stringer.
24.0 – 26.0 Medium-coarse SAND.
26.0 – 28.0 Medium SAND, gray, well sorted, some silt.
28.0 – 30.0 Fine–medium SAND, gray, well sorted, some silt.
30.0 – 32.0 SAND, moderately indurated with silt and clay, light gray.
32.0 – 34.0 SAND, gray clay and shell hash.
34.0 – 36.0 Green-gray CLAY and shell fragments.
36.0 – 38.0 Green-gray CLAY and shell fragments.
38.0 – 40.0 Green-gray CLAY.
40.0 – 42.0 Green CLAY–abundant shell hash.
42.0 – 44.0 Bluish-gray SAND, medium to fine sand, phosphate grains, fine shell fragments, minor clay.
44.0 – 46.0 Fine SAND, shell bits, modest clay, bluish gray.
46.0 – 48.0 Fine SAND, fine shell bits, bluish gray.
48.0 – 50.0 Fine SAND, bluish gray.
50.0 – 52.0 Green silty CLAY, hard, some fine sand, fine shell fragments.
52.0. – 54.0 Dense green silty CLAY, some fine sand, a few shell fragments.
54.0 – 56.0 Dense green silty CLAY, few quartz grains.
56.0 – 58.0 Green silty CLAY, hard, some fine sand, fine shell fragments.
58.0 – 59.5 Green silty CLAY with a few coarse quartz pebbles, 3–6 mm, color changes to gray.
59.5 – 60.9 No sample, hard at bottom of interval, bit sizes, changed from drag bit to roller cone bit.
60.9 – 61.7 No sample, very hard.
61.7 – 62.0 No sample, soft, drills easy.
62.0 – 63.3 Dense green silty sandy CLAY.
63.3 – 64.0 SAND, clean fine gray.
64.0 – 66.0 No sample.
66.0 – 67.0 Fine (sugar) SAND, clean, well sorted, no fossils.
67.0 – 70.0 No sample.
70.0 – 71.5 Fine SAND, clean, well sorted.
71.5 – 74.0 No sample.
74.0 – 75.5 Fine SAND, clean, well sorted.
75.5 – 78.0 No sample.
78.0 – 80.0 Fine SAND, greenish-gray color.
80.0 – 82.0 No sample.
82.0 – 83.4 Very fine greenish-gray SAND.
83.4 – 86.0 No sample.
86.0 – 86.8 Very fine gray SAND, a few shell fragments.
86.8 – 90.0 No sample.
90.0 – 91.2 Medium to coarse SAND, phosphate grains.
91.2 – 94.0 No sample.
94.0 – 95.0 Medium to coarse SAND, large phosphate and quartz pebbles, 4–8 mm in diameter, abundant shell fragments.
95.0 – 96.0 Lime-cemented medium to medium-coarse SAND.
96.0 – 98.0 No sample.
98.0 – 99.2 Fine SAND with a few shell fragments.
99.2 – 102.0 No sample.
102.0 – 104.0 Fine to medium limey SAND, with a few shell fragments, phosphate grains.
104.0 – 106.0 No sample.
106.0 – 106.8 SAND to coarse SAND, with limey phosphate grains.
106.8 – 119.6 No sample.
119.6 – 120.5 Fine silty SAND, gray shell fragments.
120.5 – 135.0 No sample.
135.0 – 140.0 Shell hash, about 50 percent of cuttings.
140.0 – 150.0 No sample.
150.0 – 163.0 Abundant shell fragments with limey brown clay, trace of limestone.

generalized lithology with natural gamma and acoustic velocity logs for Strat-1 well
Figure 5. Selected borehole geophysical logs collected in Strat-1 test hole, U.S. Marine Corps
Air Station, Cherry Point, North Carolina.


Figure 6. Strat-1 monitoring-well construction report, U.S. Marine Corps Air Station, Cherry Point, North Carolina.

Table 4. Periodic water levels in Strat-1 monitoring well, U.S. Marine Corps Air Station, Cherry Point, North Carolina
Date Water Level, feet below land surface
9/21/2000 14.53
2/9/2001 14.65
5/3/2001 15.55
8/9/2001 13.83
3/29/2002 15.16
5/15/2002 16.05
8/16/2002 16.74

hydrograph for strat-1 well from September 2000 to Auugst 2002
Figure 7. Hydrograph of ground-water levels in Strat-1 monitoring well,
U.S. Marine Corps Air Station, Cherry Point, North Carolina, September 2000–
August 2002.


Abstract || Introduction || Methods || Test Hole Descriptions || Seismic Data || Marine Seismic Data || Land Seismic Data || Summary || References || Appendix

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