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Furnes, Harald; Muehlenbachs, Karlis; Torsvik, Terje; Thorseth, Ingunn H; Tumyr, Ole (2001): (Table 1) Age, thickness of sedimentary cover, depth into volcanic basement, calcite content, and carbon and oxygen isotope data of glassy and crystalline samples from the Atlantic Ocean and the Lau Basin [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.700964, Supplement to: Furnes, H et al. (2001): Microbial fractionation of carbon isotopes in altered basaltic glass from the Atlantic Ocean, Lau Basin and Costa Rica Rift. Chemical Geology, 173(4), 313-330, https://doi.org/10.1016/S0009-2541(00)00285-0

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Abstract:
Textural and DNA studies of pillow lavas in DSDP/ODP cores from the Atlantic Ocean, the Lau Basin and the Costa Rica Rift indicate that microbes had a significant role in the alteration of basaltic glasses. Carbon isotopes (d13C) in carbonates from glassy and crystalline basalts from these locations also show differences that may relate to microbial activity during alteration. The generally low d13C values (< -7 per mil) in the basaltic glass of a high proportion of samples from the Atlantic, and most of the Costa Rica Rift material were attributed to alteration influenced by Bacteria and oxidation of organic matter. Positive d13C values of some samples from the Atlantic suggest lithotrophic utilization of CO2, in which methanogenic Archaea produced CH4 from H2 and CO2. This may result from higher abiotic production of H2 in the slow-spreading, fault-dominated Atlantic crust, due to more extensive serpentinization than at the intermediate-spreading Costa Rica Rift.
Project(s):
Deep Sea Drilling Project (DSDP)
Coverage:
Median Latitude: 37.345463 * Median Longitude: -49.755000 * South-bound Latitude: -18.568000 * West-bound Longitude: -177.862000 * North-bound Latitude: 63.938700 * East-bound Longitude: -25.952800
Date/Time Start: 1976-02-06T00:00:00 * Date/Time End: 1990-12-31T08:40:00
Minimum DEPTH, sediment/rock: 0.40 m * Maximum DEPTH, sediment/rock: 230.10 m
Event(s):
46-396B  * Latitude: 22.985667 * Longitude: -43.515000 * Date/Time: 1976-02-06T00:00:00 * Elevation: -4459.0 m * Penetration: 405.5 m * Recovery: 63.56 m * Campaign: Leg46 * Basis: Glomar Challenger * Method/Device: Drilling/drill rig (DRILL)
49-407  * Latitude: 63.938700 * Longitude: -30.576000 * Date/Time: 1976-07-23T00:00:00 * Elevation: -2472.0 m * Penetration: 458.5 m * Recovery: 171.6 m * Location: North Atlantic/RIDGE * Campaign: Leg49 * Basis: Glomar Challenger * Method/Device: Drilling/drill rig (DRILL) * Comment: 40 cores; 382.5 m cored; 57 m drilled; 44.9 % recovery
49-408  * Latitude: 63.377200 * Longitude: -28.911800 * Date/Time: 1976-07-29T00:00:00 * Elevation: -1624.0 m * Penetration: 361 m * Recovery: 218.4 m * Location: North Atlantic/RIDGE * Campaign: Leg49 * Basis: Glomar Challenger * Method/Device: Drilling/drill rig (DRILL) * Comment: 37 cores; 351.5 m cored; 9.5 m drilled; 62.1 % recovery
Parameter(s):
#NameShort NameUnitPrincipal InvestigatorMethod/DeviceComment
1 Event labelEvent
2 Latitude of eventLatitude
3 Longitude of eventLongitude
4 DEPTH, sediment/rockDepth sedmGeocode
5 Sample code/labelSample labelFurnes, HaraldDSDP/ODP/IODP sample designation
6 CommentCommentFurnes, Harald
7 Age, datedAge datedkaFurnes, Harald
8 Age, maximum/oldAge maxkaFurnes, Harald
9 Age, minimum/youngAge minkaFurnes, Harald
10 Sediment thicknessSed thickmFurnes, Harald
11 Sample commentSample commentFurnes, Harald
12 CalciteCal%Furnes, Harald
13 δ13Cδ13C‰ PDBFurnes, HaraldMass spectrometer Finnigan MAT 251
14 δ18Oδ18O‰Furnes, HaraldMass spectrometer Finnigan MAT 251with respect to SMOW
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
488 data points

Data

Download dataset as tab-delimited text — use the following character encoding:

1 
Event		2 
Latitude		3 
Longitude		4 
Depth sed [m]		5 
Sample label		6 
Comment		7 
Age dated [ka]		8 
Age max [ka]		9 
Age min [ka]		10 
Sed thick [m]		11 
Sample comment		12 
Cal [%]		13 
δ13C [‰ PDB]		14 
δ18O [‰]
49-407 63.9387-30.576039.1049-407-37-1, 112-113Atlantic Ocean38000300.5Tachylitic0.151.0328.78
49-40763.9387-30.576057.5049-407-39-1, 52-53Atlantic Ocean38000300.5Crystalline0.12-2.4824.73
49-40763.9387-30.576076.0049-407-41-1, 2-3Atlantic Ocean38000300.5Variolitic0.02-4.1722.27
49-40763.9387-30.576087.6049-407-42-2, 58-59Atlantic Ocean38000300.5Crystalline0.09-4.1723.35
49-40763.9387-30.5760136.9049-407-45-3, 93-95Atlantic Ocean38000300.5Crystalline0.030.8830.32
49-408 63.3772-28.911828.6049-408-38-1, 44-45Atlantic Ocean20000323.6Crystalline0.130.5033.80
49-409 62.6163-25.9528125.1049-409-21-1, 3-4Atlantic Ocean230080.0Crystalline0.431.9833.50
49-40962.6163-25.9528134.8049-409-22-1, 32-33Atlantic Ocean230080.0Crystalline26.913.0135.70
49-40962.6163-25.9528164.9049-409-25-2, 40-41Atlantic Ocean230080.0Crystalline5.852.7035.19
49-40962.6163-25.9528166.4049-409-25-3, 36-37Atlantic Ocean230080.0Crystalline0.342.6135.33
49-40962.6163-25.9528230.1049-409-32-1, 60-61Atlantic Ocean230080.0Crystalline0.19-5.4326.73
49-410A 45.5088-29.47603.5049-410A-2-l, 3-4Atlantic Ocean10000331.0Glass-variolitic-tachylitic6.862.5632.40
49-410A45.5088-29.47604.0049-410A-2-1, 53-54Atlantic Ocean10000331.0Crystalline0.204.5636.51
49-410A45.5088-29.47605.5049-410A-2-2, 50-51Atlantic Ocean10000331.0Glass-variolitic-tachylitic0.09-0.8729.61
49-410A45.5088-29.47607.0049-410A-2-3, 50-51Atlantic Ocean10000331.0Glass-variolitic-tachylitic0.23-1.5029.55
49-410A45.5088-29.476010.5049-410A-2-5, 96-97Atlantic Ocean10000331.0Crystalline4.332.9733.39
49-410A45.5088-29.476014.1049-410A-3-1, 113-114Atlantic Ocean10000331.0Glass-variolitic-tachylitic0.610.5427.42
49-410A45.5088-29.476017.6049-410A-3-4, 6-7Atlantic Ocean10000331.0Glass-variolitic1.200.3028.56
49-410A45.5088-29.476023.8049-410A-4-1, 134-135Atlantic Ocean10000331.0Glass-variolitic0.09-2.1727.96
49-410A45.5088-29.476023.9049-410A-4-1, 140-141Atlantic Ocean10000331.0Crystalline0.121.5134.12
49-410A45.5088-29.476042.4049-410A-6-1, 86-87Atlantic Ocean10000331.0Glass-variolitic0.37-4.8520.13
49-410A45.5088-29.476044.3149-410A-6-2, 125-126Atlantic Ocean10000331.0Crystalline1.592.7333.63
49-411 36.7662-33.38830.4049-411-1-1, 40-41Atlantic Ocean100074.0Crystalline0.05-3.1022.31
49-41136.7662-33.38837.5049-411-2-1, 4-5Atlantic Ocean100074.0Glass0.31-3.6420.33
49-41136.7662-33.38837.5049-411-2-1, 4-5Atlantic Ocean100074.0Crystalline0.04-4.9119.73
49-41136.7662-33.38837.6049-411-2-1, 7-8Atlantic Ocean100074.0Crystalline0.14-1.7529.11
49-41136.7662-33.38839.2049-411-2-2, 21-22Atlantic Ocean100074.0Glass0.06-7.8321.99
49-41136.7662-33.38839.2049-411-2-2, 21-22Atlantic Ocean100074.0Tachylitic0.04-12.3719.93
49-41136.7662-33.388317.9049-411-3-1, 94-95Atlantic Ocean100074.0Crystalline0.03-3.2024.80
49-412A 36.5623-33.166041.0049-412A, 6-1, 50-51Atlantic Ocean1600163.0Crystalline0.18-6.4122.09
49-412A36.5623-33.1660121.3049-412A, 14-4, 26-27Atlantic Ocean1600163.0Crystalline2.86-0.1526.33
135-834B -18.5680-177.86201.60135-834B-14R-1, 28-29Lau Basin70004000163.4Glass0.31-3.3518.79
135-834B-18.5680-177.86202.70135-834B-14R-1, 39-40Lau Basin70004000163.4Crystalline6.751.5033.19
135-834B-18.5680-177.862012.50135-834B-15R-1, 53-55Lau Basin70004000163.4Crystalline6.484.2132.95
135-834B-18.5680-177.862013.80135-834B-15-2, 35-36Lau Basin70004000163.4Glass0.29-3.2120.06
135-834B-18.5680-177.862022.00135-834R, 16R-1, 40-41Lau Basin70004000163.4Glass0.13-4.4418.14
135-834B-18.5680-177.862040.70135-834B-18-1, 8-9Lau Basin70004000163.4Glass5.78-1.2923.82
135-834B-18.5680-177.8620117.90135-834B-33R-1, 6-7Lau Basin70004000163.4Glass0.33-6.0116.79
135-834B-18.5680-177.8620127.70135-834B-35R-1, 32-33Lau Basin70004000163.4Glass0.03-8.7119.79
46-396B 22.9857-43.51500.9046-396B-4-1, 87-88Atlantic Ocean10000150.5Glass0.02-6.7720.99
46-396B22.9857-43.51508.4046-396B-5-1, 136-137Atlantic Ocean10000150.5Glass0.02-14.0112.05
46-396B22.9857-43.515023.6046-396B-7-1, 10-11Atlantic Ocean10000150.5Glass0.03-8.2919.13
46-396B22.9857-43.515025.9046-396B-7-2, 93-94Atlantic Ocean10000150.5Glass0.10-8.8724.81
46-396B22.9857-43.515035.6046-396B-8-2, 5-6Atlantic Ocean10000150.5Glass0.04-7.3321.66
46-396B22.9857-43.515043.8046-396B-9-1, 128-129Atlantic Ocean10000150.5Glass0.05-8.6019.59
46-396B22.9857-43.515052.6046-396B-10-1, 56-57Atlantic Ocean10000150.5Glass0.56-6.9118.32
46-396B22.9857-43.515053.7046-396B-10-2, 14-15Atlantic Ocean10000150.5Glass0.04-9.1619.62
46-396B22.9857-43.515062.4046-396B-11-1, 89-90Atlantic Ocean10000150.5Tachylitic0.32-16.318.84
46-396B22.9857-43.515075.1046-396B-14-1, 8-9Atlantic Ocean10000150.5Glass0.06-6.1823.17
46-396B22.9857-43.5150118.8046-396B-17-2, 26-27Atlantic Ocean10000150.5Glass0.28-1.3427.36
46-396B22.9857-43.5150120.7046-396B-17-3, 64-65Atlantic Ocean10000150.5Glass0.20-16.0210.84
46-396B22.9857-43.5150121.1046-396B-17-3, 109-110Atlantic Ocean10000150.5Glass0.03-4.0521.36
46-396B22.9857-43.5150122.1046-396B-17-4, 54-55Atlantic Ocean10000150.5Glass0.18-1.4722.39
46-396B22.9857-43.5150137.4046-396B-20-1, 135-136Atlantic Ocean10000150.5Glass-variolitic-tachylitic0.242.4035.64
46-396B22.9857-43.5150141.7046-396B-20-4, 114-115Atlantic Ocean10000150.5Crystalline0.02-2.6323.39
46-396B22.9857-43.5150142.8046-396B-20-5, 72-73Atlantic Ocean10000150.5Crystalline0.14-3.0626.31
46-396B22.9857-43.5150147.5046-396B-21-2, 44-45Atlantic Ocean10000150.5Glass0.09-3.2921.18
46-396B22.9857-43.5150147.5046-396B-21-2, 44-45Atlantic Ocean10000150.5Tachylitic0.34-13.4319.34
46-396B22.9857-43.5150165.5046-396B-23-1, 92-93Atlantic Ocean10000150.5Glass0.20-4.9022.02
106-648B 22.9220-44.947121.70106-648B-4R-1, 61-62Atlantic Ocean00.0Glass0.18-2.0918.81