Hart, D; Miller, D Jay (2006): (Table T3) Ash layer description of ODP Leg 201 sites [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.773726, In supplement to: Hart, D; Miller, DJ (2006): Analysis and correlation of volcanic ash in marine sediments from the Peru margin, Ocean Drilling Program Leg 201: explosive volcanic cycles of the north-central Andes. In: Jørgensen, BB; D'Hondt, SL; Miller, DJ (eds.) Proceedings of the Ocean Drilling Program, Scientific Results, College Station, TX (Ocean Drilling Program), 201, 1-43, https://doi.org/10.2973/odp.proc.sr.201.122.2006
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Project(s):
Ocean Drilling Program (ODP)
Coverage:
Median Latitude: -10.343927 * Median Longitude: -78.663770 * South-bound Latitude: -11.064530 * West-bound Longitude: -79.955830 * North-bound Latitude: -8.991050 * East-bound Longitude: -77.957650
Date/Time Start: 2002-02-28T13:00:00 * Date/Time End: 2002-03-08T14:50:00
Minimum DEPTH, sediment/rock: 2.50 m * Maximum DEPTH, sediment/rock: 159.88 m
Event(s):
201-1227A * Latitude: -8.991050 * Longitude: -79.955830 * Date/Time Start: 2002-02-28T13:00:00 * Date/Time End: 2002-03-02T05:50:00 * Elevation: -427.5 m * Penetration: 151.1 m * Recovery: 100.51 m * Location: South Pacific Ocean * Campaign: Leg201 * Basis: Joides Resolution * Method/Device: Drilling/drill rig (DRILL) * Comment: 18 cores; 151.1 m cored; 0 m drilled; 66.5 % recovery
201-1228A * Latitude: -11.064530 * Longitude: -78.077830 * Date/Time Start: 2002-03-03T18:15:00 * Date/Time End: 2002-03-06T00:20:00 * Elevation: -262.2 m * Penetration: 200.9 m * Recovery: 126.35 m * Location: South Pacific Ocean * Campaign: Leg201 * Basis: Joides Resolution * Method/Device: Drilling/drill rig (DRILL) * Comment: 23 cores; 196.9 m cored; 4 m drilled; 64.2 % recovery
201-1229A * Latitude: -10.976200 * Longitude: -77.957650 * Date/Time Start: 2002-03-06T13:30:00 * Date/Time End: 2002-03-08T14:50:00 * Elevation: -152.2 m * Penetration: 194.4 m * Recovery: 133.1 m * Location: South Pacific Ocean * Campaign: Leg201 * Basis: Joides Resolution * Method/Device: Drilling/drill rig (DRILL) * Comment: 22 cores; 192.9 m cored; 1.5 m drilled; 69 % recovery
Comment:
Sediment depth is given in mbsf. The occurrence of ash layers and accumulations was determined through detailed visual core and smear slide analyses, and ages were inferred from the biostratigraphy of corresponding Leg 112 sites. NA = not applicable; the feature was not observed.
Parameter(s):
| # | Name | Short Name | Unit | Principal Investigator | Method/Device | Comment |
|---|---|---|---|---|---|---|
| 1 | Event label | Event | ||||
| 2 | Sample code/label | Sample label | Hart, D | DSDP/ODP/IODP sample designation | ||
| 3 | DEPTH, sediment/rock | Depth sed | m | Geocode | ||
| 4 | Layer thickness | Thickness | m | Hart, D | Measured | |
| 5 | Sample comment | Sample comment | Hart, D | |||
| 6 | Epoch | Epoch | Hart, D | |||
| 7 | Biogenic | Biogenic | Hart, D | approximate percent | ||
| 8 | Pumice | Pumice | Hart, D | Glass-Pumice, approximate percent; +1 percent = glass-coated grains, +2 = glass-coated grains are primarily round, ~20% of these are round pumice; unless specified otherwise in the description | ||
| 9 | Quartz | Qz | Hart, D | Roundness | ||
| 10 | Lithology/composition/facies | Lithology | Hart, D | Visual description |
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
550 data points
Data
| 1 Event | 2 Sample label | 3 Depth sed [m] | 4 Thickness [m] | 5 Sample comment | 6 Epoch | 7 Biogenic | 8 Pumice | 9 Qz | 10 Lithology |
|---|---|---|---|---|---|---|---|---|---|
| 201-1227A | 201-1227A-13H-2, 146-147.6 | 115.07 | 0.013 | Miocene | NA | (98-99)-NA | NA | Buff silt to very fine sand, top gradational, bottom may be erosional | |
| 201-1228A | 201-1228A-8H-2, 83.5-84 | 64.24 | 0.005 | Pliocene | 1 | 1-3 | 1-2 | Light gray fine silt-clay, 3%-5% dolomite, thins in center, poorly sorted, top gradational; bottom broken | |
| 201-1228A | 201-1228A-8H-3, 114-117 | 66.04 | 0.030 | Pliocene | 1-2 | 1-30 | Light silt, ~5% dolomite, clay pod in base, moderate-well sorted, top: right convex | ||
| 201-1228A | 201-1228A-9H-1, 69.8-72 | 72.09 | 0.022 | Pliocene | 1 | 50-NA | NA | Cream clay, ~45% groundmass, few dark coarse crystals, convex to left contacts, one flaser mark | |
| 201-1228A | 201-1228A-9H-1, 72-73 | 72.12 | 0.010 | Pliocene | <=1 | (0.5-2)-75 | 1-2 | Brown silt, ~1% dolomite, pumice: round, bottom: gradational, both slightly wavy | |
| 201-1228A | 201-1228A-9H-1, 74.5-77 | 72.15 | 0.025 | Pliocene | 1-2 | 1.5-5 | 1-2 | Light gray silt, ~4% dolomite, ~20% coated grains, top: gradational wavy, bottom: slightly inclined | |
| 201-1228A | 201-1228A-9H-1, 81.5-83 | 72.22 | 0.015 | Pliocene | 1-3 | 1.5-20 | 3-5 | Brown silt (angular), ~3%-5% round pumice, top: sharp to gradational, bottom: gradational-inclined | |
| 201-1228A | 201-1228A-9H-1, 97-101.6 | 72.37 | 0.046 | Pliocene | NA | (1-2)-(3-5) | NA | Gray-tan silt, ~80% glass-coated grains + 2, normally graded, top gradational | |
| 201-1228A | 201-1228A-9H-1, 121.4-124 | 72.61 | 0.026 | Pliocene | 1 | 1.5-(15-30) | Gray-tan silt, ~5% round pumice, ~2%-3% dolomite, normal grading, 60% pumice and ~15% dolomite in bottom half | ||
| 201-1228A | 201-1228A-11H-2, 32.5-37.5 | 91.73 | 0.255 | Pliocene | NA | 1-(30-40) | <0.5 | Gray-tan-black coarse silt-sand, ~1%-2% round pumice, thins to right, ~1.8 cm, bottom: slightly inclined | |
| 201-1228A | 201-1228A-11H-2, 50.2-52.3 | 91.90 | 0.021 | Pliocene | NA | 80-(3-5) | 1-2 | Black-brown clay, ~3%-5% round pumice, finely laminated, top: convex, bottom: slight incline, both gradational | |
| 201-1228A | 201-1228A-11H-2, 52.3-55 | 91.93 | 0.027 | Pliocene | NA | 75-(1-3) | 1-2 | Tan-cream fine silt, ~2% round pumice and 55% groundmass, finely laminated, gradational-slightly inclined | |
| 201-1228A | 201-1228A-11H-2, 55-56.6 | 91.95 | 0.016 | Pliocene | 1-3 | 30-10 | 1 | Gray-brown-gray silt with ~20% groundmass, normal grading, slightly inclined, top: gradational | |
| 201-1228A | 201-1228A-11H-2, 59-60.6 | 91.99 | 0.016 | Pliocene | <1 | 70-10 | NA | Cream silt, poor-moderately sorted, sharp top: slight ripple, bottom: planar (possible correlation with Section 201-1227A-13H-2) | |
| 201-1228A | 201-1228A-14H-2, 8.1-11.7 | 111.98 | 0.036 | Pliocene | 3 | (1-2)-(20-30) | <1-1 | Tan-brown-gray coarse silt; distinctly more coarse than layers above and below | |
| 201-1228A | 201-1228A-14H-2, 116.5-117.5 | 113.06 | 0.010 | layer is borderline primary (10%-15% biogenic material or dolomite) | Pliocene | 10 | <1-20 | 1 | Gray-tan-brown silt to sand, ~1% round pumice, thins slightly (1-2 mm), gradational, bottom: slightly scoured (1-2 mm) |
| 201-1228A | 201-1228A-14H-2, 129.3-130.2 | 123.19 | 0.009 | Pliocene | 3-5 | NA-20 | 1-2 | Orange silt (gray ~2 mm below surface); ~30% groundmass, bottom: slightly wavy | |
| 201-1228A | 201-1228A-14H-2, 144-149 | 113.34 | 0.050 | layer is borderline primary (10%-15% biogenic material or dolomite) | Pliocene | 5-10 | 0.5-60 | NA | Tannish gray silt; ~3%-5% ooids; thinly laminated; top: planar, bottom: end of core |
| 201-1228A | 201-1228A-14H-5, 52.8-59 | 116.93 | 0.062 | Pliocene | <=5 | (1-3)-(30-50) | 1 | Gray-tan silt; ~20% coated; top: partly scoured (filled with laminations), bottom: slight break, top concave, bottom slightly wavy | |
| 201-1228A | 201-1228A-14H-5, 96.5-100 | 117.37 | 0.035 | Pliocene | 1-2 | 1-80 | 1 | Cream-light gray silt, bottom tan (10%-15% biogenic), top: broken, wavy, bottom: slightly wavy | |
| 201-1228A | 201-1228A-14H-5, 117.4-121.6 | 117.57 | 0.042 | Pliocene | 1-3 | 1-(30-40) | <1 | Gray-tan (orangish) silt, ~1 mm laminae at top | |
| 201-1228A | 201-1228A-14H-5, 132.5-133.5 | 117.72 | 0.010 | Pliocene | 1-3 | 0.5-60 | NA | Cream-tan silt, thins to the left, top: sharp, wavy, bottom: planar, broken | |
| 201-1228A | 201-1228A-14H-6, 17.3-23 | 118.07 | 0.057 | layer is borderline primary (10%-15% biogenic material or dolomite) | Pliocene | 5-10 | 1-80 | 1-2 | Brown silt, ~50% biogenic in bottom centimeter, top: concave, bottom: slightly wavy |
| 201-1228A | 201-1228A-14H-6, 23.5-26.5 | 118.14 | 0.030 | Pliocene | 1-5 -> 5-10 | (1-15) -> 80 | 1 | Gray-tan silt, sharp, top: slightly wavy, bottom: concave, pumice and biogenic increase in the bottom centimeters | |
| 201-1228A | 201-1228A-16H-1, 36.5-43 | 128.77 | 0.065 | Pliocene | 2-3 | (2-3)-(15-25) | <=0.5 | Gray silt, ~20% groundmass (~5% at bottom), top: slightly rippled | |
| 201-1228A | 201-1228A-16H-1, 44-48 | 128.84 | 0.040 | Pliocene | 1 | 2.5-20 | <1 | Gray silt, planar, bottom: gradational | |
| 201-1228A | 201-1228A-16H-1, 60-64 | 129.00 | 0.040 | Pliocene | <=1 | 1.5-(20-30) | <1 | Gray silt, gradational planar contacts | |
| 201-1228A | 201-1228A-16H-1, 64.5-67 | 129.05 | 0.025 | Pliocene | <=3 | 2.5-50 | <=1 | Gray silt, top: wavy, bottom: planar | |
| 201-1228A | 201-1228A-16H-1, 92-96 | 129.32 | 0.040 | Pliocene | 1-2 | 1.5-60 | <1 | Gray silt, top: planar, bottom: wavy | |
| 201-1228A | 201-1228A-16H-1, 110.8-112 | 129.51 | 0.012 | Pliocene | 1-2 | 0.5-70 | <1 | Gray silt, light tan-light cream laminae | |
| 201-1228A | 201-1228A-16H-1, 114-117.5 | 129.54 | 0.035 | Pliocene | 1-2 | 2.5-70 | <1 | Gray-light cream interlaminae, finely laminated, top and bottom: convex up | |
| 201-1228A | 201-1228A-16H-1, 118.5-123 | 129.59 | 0.045 | Pliocene | 1-2 | 2-70 | <1 | Gray silt, few discontinuous laminae | |
| 201-1228A | 201-1228A-16H-1, 132-133 | 129.72 | 0.010 | Pliocene | 1-2 | 2-20 | <=1 | Gray silt, ~70% coated grains, top: planar, bottom: end of core | |
| 201-1228A | 201-1228A-16H-2,12.5-16 | 130.03 | 0.035 | Pliocene | 1-2 | (1-1.5)-80 | NA | Gray silt, tan, finely laminated, gradational convex up to the right | |
| 201-1228A | 201-1228A-16H-2, 27.5-34 | 130.18 | 0.065 | Pliocene | 1 | 2.5-(60-70) | <-0.5 | Gray silt, one tan lamination (~1 mm) in center | |
| 201-1228A | 201-1228A-16H-2, 118.5-124 | 131.09 | 0.055 | Pliocene | 1-2 | 2-(60-70) | <=0.5 | Gray silt, tan, finely laminated, ~3%-5% ooids | |
| 201-1228A | 201-1228A-16H-3, 96-98.5 | 132.35 | 0.025 | Pliocene | 1 | 0.5-(940-50) | NA | Tan silt, one brown lamination, ~5% ooids, top: sharp, bottom: gradational slightly wavy | |
| 201-1228A | 201-1228A-16H-3, 110.5-114 | 132.51 | 0.035 | Pliocene | 1-2 | 1-60 | 1-2 | Tan finely laminated silt, bottom: gradational, both: slightly wavy | |
| 201-1228A | 201-1228A-16H-3, 118-121.5 | 132.58 | 0.035 | Pliocene | 1-2 | 1-15 | <1 | Tan silt, ~15% round pumice, top: convex up, bottom: rippled | |
| 201-1228A | 201-1228A-16H-4, 27-40.5 | 133.17 | 0.135 | Pliocene | NA | 1-30 | 1 | Gray silt, ~15% round pumice, top: gradational, both: planar | |
| 201-1228A | 201-1228A-16H-4, 40.5-42.5 | 133.31 | 0.020 | layer is borderline primary (10%-15% biogenic material or dolomite) | Pliocene | 20 | 5-30 | <=1 | Gray-tan finely laminated silt, biogenic ostracodes |
| 201-1228A | 201-1228A-18H-1, 48-56.5 | 147.88 | 0.085 | Pliocene | 1-3 | 2-60 | <=0.5 | Gray silt, gray-tan up to 51 cm (gradational), ~1% round pumice, ~5%-10% groundmass | |
| 201-1228A | 201-1228A-18H-1, 62-67 | 148.02 | 0.050 | Pliocene | 1-2 | 2-(70-80) | <=0.5 | Gray silt, ~2%-3% round pumice, top: inclined, bottom: planar | |
| 201-1228A | 201-1228A-18H-2, 5.8-9.5 | 148.96 | 0.037 | Pliocene | 1-2 | 2-70 | <=0.5 | Gray-tan finely laminated silt, ~1% round pumice, top: convex at right side | |
| 201-1228A | 201-1228A-18H-2, 50.5-57.5 | 149.41 | 0.070 | Pliocene | 3 | 2-70 | <0.5 | Tan-brown silt, top half slightly laminated (54.5-gradational) lower half laminated, ~1% round pumice | |
| 201-1228A | 201-1228A-18H-2, 79.7-89.2 | 149.70 | 0.032 | Pliocene | 1-3 | 2-70 | <0.5 | Tan-brown finely laminated silt, ~1% round pumice, top: wavy, bottom: convex to right | |
| 201-1228A | 201-1228A-18H-2, 88-90 | 149.78 | 0.020 | Pliocene | 1-2 | 2-70 | <0.5 | Cream silt, ~1% round pumice, vesicular glass present, convex bed | |
| 201-1228A | 201-1228A-18H-2, 112-115 | 150.02 | 0.030 | Pliocene | 1-2 | 2-90 | <0.5 | Tan silt, ~3%-5% round pumice, top: slightly convex to right, bottom: end of core | |
| 201-1228A | 201-1228A-18H-3, 95.5-97 | 151.36 | 0.015 | Pliocene | 1-3 | (1-1.5)-80 | 1-2 | Gray-tan silt; ~1%-2% round pumice | |
| 201-1228A | 201-1228A-18H-4, 0-3 | 151.95 | 0.030 | Pliocene | 1-2 | 2-70 | <0.5 | Tan-gray silt, ~1% round pumice, some bioturbation, bottom: gradational planar | |
| 201-1228A | 201-1228A-18H-4, 38-42 | 152.28 | 0.040 | Pliocene | 1-2 | 2-70 | <0.5 | Tan silt, ~1% round pumice, top: wavy, bottom: planar | |
| 201-1228A | 201-1228A-18H-4, 49-55 | 152.35 | 0.060 | Pliocene | 1-3 | 2-70 | <0.5 | Tan and cream silt, ~1% round pumice, brown pod at top | |
| 201-1228A | 201-1228A-18H-4, 83.5-88 | 152.74 | 0.045 | Pliocene | 1-2 | 2-70 | <0.5 | Tan silt, ~1%-2% round pumice, top: slightly wavy, sharp, bottom: sharp planar and slightly bioturbated | |
| 201-1229A | 201-1229A-1H-2, 99.6-99.9 | 2.50 | 0.003 | Pleistocene | <=3 | 2-3 | NA | Gray silty crystal-pumice-hash, discontinuous, inclined lamina, top: gradational | |
| 201-1229A | 201-1229A-3H-3, 50-50.5 | 17.90 | 0.005 | layer is borderline primary (10%-15% biogenic material or dolomite) | Pleistocene | 10-15 | 75-NA | NA | Gray-white clay lamina, planar, top: gradational |
| 201-1229A | 201-1229A-5H-5, 126-129 | 40.66 | 0.030 | Pleistocene | 1-2 | 3-NA | 1 | White-cream silt, fines upward, slightly inclined and gradational contacts | |
| 201-1229A | 201-1229A-6H-3, 18.7-20 | 43.09 | 0.013 | layer is borderline primary (10%-15% biogenic material or dolomite) | Pleistocene | 5-10 | 2-5 | NA | Gray-tan clay, slightly inclined, thins to one end |
| 201-1229A | 201-1229A-8H-3, 107-109 | 69.97 | 0.018 | Pleistocene | 0.5 | <1-10 | 2-3 | Gray silt, ~10%-25% dolomite, fines upward, inclined, top: gradational | |
| 201-1229A | 201-1229A-8H-3, 108.8-109 | 69.99 | 0.002 | Pleistocene | <=5 | 3-NA | 1-2 | Cream, crystal hash, very fine silt lamina, inclined | |
| 201-1229A | 201-1229A-10H-5, 37-44 | 85.77 | 0.070 | Pleistocene | 3-5 | (1-3)-NA | 2-3 | Gray clay, ~3%-5% dolomite, fines upward | |
| 201-1229A | 201-1229A-11H-3, 2-6.5 | 91.92 | 0.045 | layer is borderline primary (10%-15% biogenic material or dolomite) | Pleistocene | 5-10 | <=1 | 10-15 | Gray-tan silt, ~3%-5% dolomite, fines upward |
| 201-1229A | 201-1229A-11H-3, 6.5-9.2 | 91.97 | 0.027 | Pleistocene | 1-3 | (1-2)-10 | 1-2 | Gray-tan silt, ~1%-3% dolomite, coated grains account for a majority of round grains | |
| 201-1229A | 201-1229A-11H-3, 10.2 | 92.00 | Pleistocene | 1-3 | (0.5-1)-NA | <1 | Light-colored discontinuous silt lamina, ~20%-30% coated grains | ||
| 201-1229A | 201-1229A-11H-3, 39.3-39.6 | 92.29 | 0.003 | layer is borderline primary (10%-15% biogenic material or dolomite) | Pleistocene | 5-10 | (1-2)-(5) | NA | Light-colored discontinuous silt lamina, ~3%-5% dolomite, bottom: gradational |
| 201-1229A | 201-1229A-11H-3, 49.5-50.5 | 92.80 | 0.010 | layer is borderline primary (10%-15% biogenic material or dolomite) | Pleistocene | 10-15 | (2-3)-NA | NA | Light gray silt between gray clay beds, dolomite ~5%, 5%-10% opaques, normal grading |
| 201-1229A | 201-1229A-14H-1, 88.3-88.5 | 118.28 | 0.002 | layer is borderline primary (10%-15% biogenic material or dolomite) | Pleistocene | 1-3 | <1-NA | NA | Cream silt, ~10%-15% dolomite, pinches out |
| 201-1229A | 201-1229A-14H-4, 139.2 | 123.29 | layer is borderline primary (10%-15% biogenic material or dolomite) | Pleistocene | 5-10 | <1-(10-15) | NA | Gray-tan-brown silty sand, slightly inclined | |
| 201-1229A | 201-1229A-14H-5, 50-56 | 123.90 | 0.060 | layer is borderline primary (10%-15% biogenic material or dolomite) | Pleistocene | 3-5 | (2-3)- | <=1 | Cream-gray-black silt, fines upward, ~10%-20% dolomite |
| 201-1229A | 201-1229A-18H-1, 0-3 | 155.40 | 0.030 | Pleistocene | 3-5 | (1-2)-(15-20) | NA | Gray-tan silt, ~1%-2% dolomite | |
| 201-1229A | 201-1229A-18H-1, 25-74 | 155.65 | 0.490 | layer is borderline primary (10%-15% biogenic material or dolomite) | Pleistocene | 5-10 | (1-2)-(50-60) | NA | Gray-tan silt, two tan laminae-biogenic, fine-planar-laminae, bottom: inclined |
| 201-1229A | 201-1229A-18H-2, 115-115.5 | 158.07 | 0.005 | Pleistocene | 1-3 | (1-2)-NA | NA | Gray-white-orange sandy silt lamina | |
| 201-1229A | 201-1229A-18H-2, 117.2-117.4 | 158.07 | 0.002 | Pleistocene | 3-5 | 1-10 | NA | Gray-white sandy silt lamina, bottom: gradational | |
| 201-1229A | 201-1229A-18H-2, 117.4-127 | 156.17 | 0.096 | Pleistocene | 3-5 | (1-2)-(10-15) | NA | Gray-tan silt, ~1%-2% dolomite, top: gradational | |
| 201-1229A | 201-1229A-18H-3, 48-56 | 159.88 | 0.080 | layer is borderline primary (10%-15% biogenic material or dolomite) | Pleistocene | 5-10 | (1-2)-NA | NA | Gray-white poorly sorted feldspar-quartz silty sand within reworked bed, planar |
| 201-1229A | 201-1229A-18H-3, 114.5-122 | 159.55 | 0.075 | layer is borderline primary (10%-15% biogenic material or dolomite) | Pleistocene | 10-15 | 1-(5-10) | NA | Gray-tan sandy silt, bottom: break |
| 201-1229A | 201-1229A-14H-5, 32-43.5 | 123.73 | 0.110 | Pleistocene | 3-5 | Too fine to tell | NA | Cream clay, ~5%-10%-15% dolomite, crystal-rich pods of dolomite, slightly concave contacts | |
| 201-1229A | 201-1229A-14H-4, 18.5-23 | 122.08 | 0.045 | Pleistocene | <=10 | (1-3)-NA | NA | Gray-cream clay, groundmass is first-order gray and white, discontinuous laminae and pod |