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U.S. Geological Survey
Open-File Report 03-441

DATA REPORT: Geology of Reef-Front Carbonate Sediment Deposits around Oahu, Hawaii

South coast vibracore tabulated petrologic data

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Thumbnail image showing vibracore station locations, click for larger view

Other info:
Core Depth (m) Sand (%) Mud (%) Color Name Color Number Grain Size Sorting Roundness Section Counts CARBONATE Calc Algae massive-encrusting branching Benthonic Forams Planktonic Forams Mollusks Serpulid Worm Tubes Bryozoans Echinoderms Halimeda Coral Frags coral w/ open corallites coral w/ filled corallites coral w/ encrusting algae Calc Sponge Spicules Carb Rock Frags reef rock cemented sediment Indeterm. Skeletal Grains VOLCANICS Basalt Olivine Feldspar Pore Space (artificial)
38v1 0.50 96.2 3.8 l. ol-yell gray 5Y6/1-8/1 vfU-vcL poor A-R 317 99.0 26.5 25.5 1.0 23.5 0.5 5.5     0.5 3.5 27.5 18.0 7.5 2.0 1.0 4.5   4.5 6.0 1.0 0.5 0.5   36.9
38v1 1.30 98.9 1.1 medium gray N5 fL-vcU poor a-R 318 98.5 23.0 22.0 1.0 4.0   4.0     2.5 3.0 38.5 14.0 23.0 1.5   23.5 2.5 21.0   1.5 1.0 0.5   37.1
38v1 3.00 98.5 1.5 yellowish gray 5Y8/1 vfU-cU fair A-r 331 97.5 24.5 24.5   10.5   0.5       6.5 29.0 27.0 2.0   0.5 6.5   6.5 19.5 2.5 1.5 1.0   39.6
39v1 0.50 99.6 0.4 l. ol-yell gray 5Y6/1-8/1 fL-mU fair-mod a-r 348 100.0 30.5 27.5 3.0 29.0   0.5     2.5 6.0 21.0 18.5 2.0 0.5 0.5 5.0   5.0 5.0         42.5
39v1 3.00 99.6 0.4 l. ol-yell gray 5Y6/1-8/1 fL-vcL fair-mod a-R 342 99.5 24.5 23.5 1.0 32.5   1.5     1.5 5.5 19.5 16.0 3.5   0.5 10.0 0.5 9.5 4.0 0.5 0.5     41.6
40v1 0.50 99.4 0.6 l. ol-yell gray 5Y6/1-8/1 fL-cL fair-mod a-R 368 100.0 19.0 17.5 1.5 29.0   0.5     2.5 13.0 21.5 21.0 0.5   1.0 5.5   5.5 8.0         45.7
40v1 3.50 97.7 2.3 l. ol-yell gray 5Y6/1-8/1 fL-cU fair-mod a-R 354 100.0 28.5 23.0 5.5 14.5   4.0     1.5 7.0 32.0 16.5 14.0 1.5   9.0   9.0 3.5         43.5
41v1 0.50 99.8 0.2 l. ol-yell gray 5Y6/1-8/1 fU-mU moderate a-R 369 100.0 33.5 33.0 0.5 22.0   0.5 0.5     7.5 29.5 27.5 2.0     1.5   1.5 5.0         45.8
41v1 3.00 99.0 1.0 l. ol-yell gray 5Y6/1-8/1 fL-cU fair-mod a-R 337 100.0 28.5 26.0 2.5 27.5   1.5       6.0 23.0 18.5 4.0 0.5   6.0 0.5 5.5 7.5         40.7
42v1 0.30 97.9 2.1 l. ol-yell gray 5Y6/1-8/1 vfU-vcL poor A-R 333 99.5 27.5 27.5   20.0   1.0 0.5   3.0 5.5 29.0 18.5 9.5 1.0 1.5 6.5   6.5 5.0 0.5   0.5   39.9
44v1 0.50 99.8 0.2 l. ol-yell gray 5Y6/1-8/1 fL-mU fair-mod a-R 325 100.0 31.5 30.0 1.5 20.5   1.5     1.0 6.0 28.0 25.0 2.0 1.0 1.0 6.0   6.0 4.5         38.5
44v1 3.50 99.3 0.7 l. ol-yell gray 5Y6/1-8/1 fU-mU moderate a-R 355 100.0 32.5 31.0 1.5 19.0   1.5     1.5 3.5 26.5 22.0 4.0 0.5   13.0   13.0 2.5         43.7
45v1 0.50 97.4 2.6 l. olive gray 5Y6/1 vfU-vcU poor A-R 360 99.5 18.5 15.5 3.0 26.0 0.5 4.0       7.0 34.5 22.0 10.5 2.0 0.5 4.5   4.5 4.0 0.5 0.5     44.4
45v1 1.50 94.4 5.6 l. olive gray 5Y6/1 vfU-vcU poor A-R 376 95.5 27.5 27.0 0.5 15.0 2.5 2.0     0.5 3.5 36.0 26.5 9.0 0.5 1.0 4.5   4.5 3.0 4.5 3.5 1.0   46.8
45v1 2.50 97.4 2.6 yellowish gray 5Y8/1 vfU-mL fair-mod A-r 388 97.0 30.0 29.5 0.5 14.0         0.5 8.5 28.5 27.0 1.5   1.0 8.5   8.5 6.0 3.0 2.5 0.5   48.5
45v1 4.00 98.5 1.5 yellowish gray 5Y8/1 vfL-cL poor-fair A-r 329 96.5 28.5 28.0 0.5 14.0   1.0 0.5   4.0 7.5 24.0 22.0 2.0   1.5 2.5   2.5 6.0 4.5 3.0 1.5 0.5 33.8
46v1 1.00 99.6 0.4 yellowish gray 5Y8/1 fL-mU fair-mod A-r 354 99.0 25.5 24.5 1.0 27.0   2.0     2.0 11.0 19.5 14.5 1.5 0.5 0.5 4.0 0.5 3.5 7.5 1.0 1.0     43.5
46v1 3.50 99.3 0.7 yellowish gray 5Y8/1 vfU-cL poor-fair A-R 325 100.0 29.0 28.0 1.0 26.5 1.0 2.5     2.5 8.0 11.5 10.0 1.0 0.5 1.0 4.5   4.5 13.5         38.5
47v1 1.00 99.4 0.6 yellowish gray 5Y8/1 fL-mU fair-mod A-r 353 100.0 34.0 30.0 4.0 28.0   2.0     5.0 4.0 15.5 12.5 2.0 1.0 0.5 7.5   7.5 3.5         43.3
47v1 3.50 96.6 3.4 yellowish gray 5Y8/1 vfU-mU fair-mod A-r 377 100.0 29.0 27.5 1.5 25.0   0.5 0.5   3.0 10.0 14.0 12.5 1.5   1.0 3.5   3.5 13.5         46.9
49v1 0.75 99.4 0.6 yellowish gray 5Y8/1 vfU-mU fair-mod A-r 355 100.0 26.0 26.0   29.5   1.0     3.0 6.0 18.0 15.5 2.5   1.0 6.5   6.5 9.0         43.7
49v1 1.50 98.5 1.5 yellowish gray 5Y8/1 vfU-mL fair-mod A-r 322 100.0 26.5 24.5 2.0 25.0   2.0     3.0 9.5 10.0 9.5   0.5 3.5 5.5   5.5 15.0         37.9
51v1 1.00 99.7 0.3 yellowish gray 5Y8/1                                                          
51v1 3.50 97.6 2.4 yellowish gray 5Y8/1 fL-vcL poor A-R 310 100.0 19.0 18.5 0.5 50.0   2.0     2.0 5.5 6.0 5.0 1.0   0.5 7.5   7.5 7.5         35.5
52v1 0.50 100.0 0.0 yellowish gray 5Y8/1 fU-cL moderate a-R 347 100.0 28.2 28.2   30.0   5.0     1.4 5.0 18.6 10.8 7.3 0.5   10.8   10.8 0.9         36.6
52v1 2.50 99.8 0.2 yellowish gray 5Y8/1 fU-cU fair-mod a-R 356 100.0 32.0 30.0 2.0 31.0   5.5     0.5 5.0 14.0 7.0 6.5 0.5 0.5 10.0   10.0 1.5         43.8
53v1 0.50 100.0 0.0 yellowish gray 5Y8/1 fL-cU fair a-R 336 100.0 36.5 36.5   25.0   3.5 0.5   2.0 7.0 15.0 10.5 4.0 0.5 1.0 7.0 0.5 6.5 2.5         40.5
53v1 3.00 99.6 0.4 yellowish gray 5Y8/1 fL-mU fair-mod a-R 345 99.5 30.0 29.5 0.5 23.5   3.0 0.5   5.0 9.0 15.0 12.0 2.5 0.5 1.0 5.0   5.0 7.5 0.5   0.5   42.0
54v1 0.50 96.7 2.3 yellowish gray 5Y8/1 vfU-vcU poor A-R 296 100.0 23.5 23.0 0.5 27.5 1.0 4.0     6.5 3.5 17.5 7.5 6.5 3.5 0.5 5.5 1.0 4.5 10.5         32.4
54v1 2.50 95.5 4.5 l. olive gray 5Y6/1 fL-cU fair a-R 347 98.5 38.0 35.0 3.0 18.5   2.0     2.0 4.0 19.0 12.5 3.5 3.0   8.5 1.0 7.5 6.5 1.5 1.5     42.4
55v1 0.50 95.8 4.2 l. ol-yell gray 5Y6/1-8/1 fL-cU poor-fair a-R 298 99.0 25.0 23.0 2.0 41.5 1.0 2.5     2.0 5.5 8.0 7.0 0.5 0.5 0.5 4.0   4.0 9.0 1.0 0.5 0.5   32.9
55v1 1.50 94.6 5.4 l. ol-yell gray 5Y6/1-8/1 fL-vcL poor a-R 315 98.0 30.0 27.5 2.5 17.5   4.0     4.0 4.5 18.0 12.0 6.0   0.5 15.5   15.5 4.0 2.0 2.0     36.5
55v1 1.85 97.6 2.4 yellowish gray 5Y8/1 fU-vcL poor A-R 322 98.0 27.0 26.0 1.0 15.5   1.0     1.5 4.5 27.0 20.0 6.0 1.0 1.0 14.5   14.5 6.0 2.0 1.5 0.5   37.9
56v1 0.50 95.1 4.9 yellowish gray 5Y8/1 vfU-cU poor-fair A-R 330 99.5 15.5 15.5   38.0   1.0     2.0 7.0 10.0 7.0 2.5 0.5 1.0 5.0 1.0 4.0 20.0 0.5 0.5     39.4
56v1 1.85 97.6 2.4 l. ol-yell gray 5Y6/1-8/1 fU-vcL poor-fair A-R 334 99.0 26.5 26.0 0.5 31.5   2.0     0.5 3.5 17.0 7.0 8.5 1.5 0.5 6.0   6.0 11.5 1.0 0.5 0.5   40.2
57v1 0.75 95.2 8.4 l. ol-yell gray 5Y6/1-8/1 vfU-cU poor A-R 279 98.0 17.5 17.5   29.0 1.0 4.0     7.0 7.5 10.0 5.0 4.5 0.5 3.0 2.0 0.5 1.5 17.0 2.0 1.5 0.5   28.3
58v1 0.25 97.5 2.5 l. ol-yell gray 5Y6/1-8/1 fL-vcU poor A-R 317 100.0 16.0 15.5 0.5 39.0   4.0     4.5 9.0 9.5 6.0 2.5 1.0 1.5 4.0   4.0 12.5         36.9
58v1 1.50 86.0 14.0 l. ol-yell gray 5Y6/1-8/1 vfU-cU poor A-R 325 99.5 23.0 22.0 1.0 26.0   1.0     1.3 5.5 28.0 13.0 10.0 5.0 1.5 1.5   1.5 11.5 0.5 0.5     38.5
59v2 0.50 96.0 4.0 yellowish gray 5Y8/1 fL-vcU poor A-R 328 99.5 20.5 19.5 1.0 43.0   3.0     0.5 11.5 10.0 5.5 3.5 1.0   2.0   2.0 9.0 0.5   0.5   39.0
60v1 0.50 98.2 1.8 yellowish gray 5Y8/1 fL-vcL poor A-R 305 99.0 23.0 21.0 2.0 42.5   0.5     1.0 4.0 8.5 5.5 2.5 0.5   3.5   3.5 16.0 1.0   1.0   34.4
60v1 3.00 73.5 26.5 yellowish gray 5Y8/1 fL-vcU poor A-R 318 96.2 17.5 16.0 1.5 41.5   2.5     2.0 16.0 8.0 3.5 2.5 2.0 0.5 2.5   2.5 6.0 3.5 3.0 0.5   37.1
AVG                   99.1 26.3     26.3   2.3     2.1 6.6 19.9       0.8 6.6     7.8 0.9        
 
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last modified 15 December 2003 (cad)

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