Age (Ma)
0.00.20.40.60.81.01.21.41.61.82.02.22.42.62.83.03.23.43.63.84.04.24.44.64.85.05.25.45.65.86.06.26.46.66.87.07.27.47.67.88.08.28.48.68.89.09.29.49.69.810.010.210.410.610.811.011.2
Cenozoic
Quaternary
Holocene
Pleistocene
Neogene
Pliocene
Miocene
0.000-3.180: alternating silt and mud
3.180-3.330: ash/tuff
3.330-5.880: alternating silt and mud
6.000-6.920: alternating sand/mud layers
6.920-7.040: fine sand
7.040-8.260: alternating sand/mud layers
8.260-8.380: fine sand
8.380-8.920: alternating sand/mud layers
8.920-9.060: fine sand
9.060-10.120: alternating sand/mud layers
10.120-10.310: fine sand
10.310-11.250: alternating sand/mud layers
11.250-11.380: fine sand
11.380-12.800: alternating sand/mud layers
12.800-12.910: fine sand
12.910-13.470: alternating sand/mud layers
13.470-13.830: fine sand
13.830-15.380: alternating sand/mud layers
15.380-15.530: fine sand
15.530-15.700: alternating sand/mud layers
15.500-17.000: alternating silt and mud
17.000-17.320: fine sand
17.320-19.470: alternating silt and mud
19.470-19.710: fine sand
19.710-21.320: alternating silt and mud
21.320-21.440: fine sand
21.440-21.540: alternating silt and mud
21.540-21.650: fine sand
21.650-21.800: alternating silt and mud
21.800-22.460: fine sand
22.460-23.130: alternating silt and mud
23.130-23.550: fine sand
23.550-23.700: alternating silt and mud
23.700-24.070: fine sand
24.070-24.530: alternating silt and mud
24.530-24.720: fine sand
24.720-28.920: alternating silt and mud
28.920-29.330: fine sand
29.330-30.790: alternating silt and mud
30.790-31.000: fine sand
31.000-31.830: alternating silt and mud
31.830-32.370: fine sand
32.520-33.550: alternating silt and mud
33.550-33.700: fine sand
33.700-34.980: alternating silt and mud
34.980-35.460: fine sand
35.460-36.650: alternating silt and mud
36.650-36.830: fine sand
36.830-40.010: alternating silt and mud
40.010-40.210: fine sand
40.470-44.250: alternating silt and mud
44.000-44.500: alternating silt and mud
44.500-46.160: sand
46.160-47.230: alternating silt and mud
47.230-47.380: fine sand
47.380-48.370: alternating silt and mud
48.370-52.410: alternating silt and mud
52.410-52.630: fine sand
52.630-54.860: alternating silt and mud
55.010-55.470: alternating sand/mud layers
55.470-55.790: fine sand
55.790-55.900: alternating silt and mud
55.900-56.690: sand
56.690-56.810: alternating sand/mud layers
56.810-61.160: sand
63.000-63.420: alternating silt and mud
63.420-63.700: fine sand
63.700-64.350: alternating silt and mud
64.500-65.650: alternating silt and mud
65.650-70.820: fine sand
72.500-73.810: alternating silt and mud
73.950-74.160: fine sand
74.160-74.700: alternating silt and mud
74.700-77.640: fine sand
77.640-77.740: alternating silt and mud
82.000-82.280: fine sand
82.280-83.370: alternating silt and mud
83.370-85.060: fine sand
85.060-86.180: alternating silt and mud
86.180-87.740: fine sand
91.500-93.870: alternating silt and mud
93.870-94.070: silt
94.070-101.130: alternating silt and mud
101.130-101.260: silt
101.260-105.640: alternating silt and mud
105.640-106.200: fine sand
110.500-186.480: alternating silt and mud
186.480-186.580: ash/tuff
186.580-221.380: alternating silt and mud
221.380-221.480: ash/tuff
221.480-224.980: alternating silt and mud
224.700-225.650: alternating silt and mud
225.650-225.750: ash/tuff
225.750-226.070: alternating silt and mud
226.070-226.440: ash/tuff
226.440-228.610: alternating silt and mud
228.610-229.220: ash/tuff
229.220-229.700: alternating silt and mud
229.700-229.850: ash/tuff
229.850-230.060: alternating silt and mud
230.060-230.400: ash/tuff
230.400-231.300: alternating silt and mud
231.300-231.450: silt
231.450-231.800: alternating silt and mud
231.800-232.770: ash/tuff
234.100-235.540: alternating silt and mud
235.640-237.300: silt
237.300-238.130: alternating silt and mud
238.130-238.440: silt
238.440-238.710: alternating silt and mud
238.710-238.820: silt
238.800-240.990: alternating silt and mud
240.990-241.110: silt
241.110-244.480: alternating silt and mud
244.480-244.690: silt
244.690-245.040: alternating silt and mud
245.040-245.250: silt
245.250-247.730: alternating silt and mud
247.730-247.860: silt
247.860-247.940: alternating silt and mud
247.940-248.110: silt
248.110-248.440: alternating silt and mud
248.200-268.920: alternating siltstone and mudstone
268.920-269.060: siltstone
269.060-375.490: alternating siltstone and mudstone
375.490-376.220: convoluted mud clasts
376.200-399.540: alternating siltstone and mudstone
404.800-428.710: alternating siltstone and mudstone
428.710-428.810: silt
428.810-494.790: alternating siltstone and mudstone
500.800-500.940: siltstone
500.940-501.100: ash/tuff
501.100-501.180: siltstone
510.300-510.960: siltstone
510.960-529.550: marl
529.550-529.660: ash/tuff
529.660-537.040: marl
537.040-587.740: marl
591.400-636.270: marl

Site U1520, Hole D – International Ocean Drilling Program: Exp 375

#5636, project 3, show in map.