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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-4

Map showing location of Strat-4 well

Core interval and recovery from Strat-4 test hole

Lithologic log for Strat-4 test hole

Selected borehole geophysical logs collected in Strat-4 test hole

Strat-4 monitoring-well construction report

Periodic water levels in Strat-4 monitoring well

Hydrograph showing ground-water levels in Strat-4 monitoring well, September 2000–May 2002


Generalized map of MCAS showing location of Strat-4 well
Figure 16. Location of Strat-4 well at U.S. Marine Corps Air Station, Cherry Point, North Carolina.

Table 10. Core interval and recovery from Strat-4 test hole, U.S. Marine Corps Air Station, Cherry Point, North Carolina.
Cored interval, in feet Recovery, in feet
35 – 37 2.0
55 – 57 1.9
150 – 152 2.0
180 – 182 1.4
120 – 122 2.0
Total = 10 9.3
Table 11. Lithologic log for Strat-4 test hole, U.S. Marine Corps Air Station, Cherry Point, North Carolina.
Depth below land surface (in feet) Description (compiled by B.M. Wrege)
0.0 – 5.0 Sandy, clayey organic top SOIL, grading to sandy clay, trace gravel.
5.0 – 10.0 Clayey SAND, with silt, brownish gray.
10.0 – 15.0 Sand to gravel, clayey, grayish brown.
15.0 – 20.0 Sand, gravel, clay, silty.
20.0 – 25.0 Shells with clay, grayish brown.
25.0 – 30.0 Gray CLAY, some shells.
30.0 – 35.0 Gray CLAY with a few shells.
35.0 – 37.0 CLAY with shells.
37.0 – 40.0 CLAY, with shell hash, olive green, trace ochre.
40.0 – 48.0 Olive-green CLAY, dry, green clay with white and gray shell hash.
48.0 – 54.0 SAND with whitish clay stringers and some green clay with shells.
54.0 – 55.0 Olive green SAND.
55.0 – 57.0 SAND.
57.0 – 72.5 Silty, sandy CLAY.
72.5 – 79.0 Fine-grained SAND, heavy minerals, phosphate nodules.
79.0 – 82.0 Dry, dark olive-green CLAY.
82.0 – 91.0 Clayey SAND with shell hash.
91.0 – 97.0 Gray LIMESTONE with thin sand layers.
97.0 – 100.0 Gray LIMESTONE with shells, trace clay.
100.0 – 102.0 Gray SAND, trace heavy minerals.
102.0 – 119.0 Gray CLAY, tight, stiff.
119.0 – 120.5 Sandy CLAY, trace shells.
120.5 – 122.5 CLAY.
122.5 – 128.5 Very fine greenish-gray SAND, hard.
128.5 – 129.0 Dark-gray and whitish-gray SHELL layer.
129.0 – 131.0 Cherty SHELL hash, poor recovery, hard.
131.0 – 133.0 Silty SAND.
133.0 – 134.0 CLAY.
134.0 – 140.0 No sample, drills hard.
140.0 – 150.0 Green-gray CLAY.
150.0 – 151.0 Sandy CLAY, olive green.
151.0 – 152.0 Very fine SAND.
152.0 – 154.0 SHELL hash.
154.0 – 160.0 SHELL hash, sandy.
160.0 – 170.0 Dark-gray SHELL hash, sandy, some clay.
170.0 – 180.0 Dark-gray SHELL hash, sandy, some clay.
180.0 – 181.4 White LIMESTONE.
181.4 – 225.0 LIMESTONE.

generalized lithology with selected borehole geophysical logs for Strat-4 well
Figure 17. Selected borehole geophysical logs collected in Strat-4 test hole, U.S. Marine Corps Air Station, Cherry Point, North Carolina.


Figure 18. Strat-4 monitoring-well construction report, U.S. Marine Corps Air Station, Cherry Point, North Carolina.

Table 12. Periodic water levels in Strat-4 monitoring well, U.S. Marine Corps Air Station, Cherry Point, North Carolina.
Date Water level, in feet below land surface
09-21-2000 21.56
02-09-2001 22.61
05-03-2001 21.58
08-09-2001 23.12
03-29-2002 21.57
05-15-2002 23.02

hydrograph for strat-4 well from September 2000 to May 2002
Figure 19. Hydrograph of ground-water levels in Strat-4 monitoring well, U.S. Marine Corps Air Station, Cherry Point, North Carolina, September 2000–May 2002.


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

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