Mukhopadhyay, Sujoy; Farley, Kenneth A (2006): (Table 1) Helium concentration in bulk and leached pelagic clays from Core LR44-GPC-3 [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.710929, In supplement to: Mukhopadhyay, S; Farley, KA (2006): New insights into the carrier phase(s) of extraterrestrial 3He in geologically old sediments. Geochimica et Cosmochimica Acta, 70(19), 5061-5073, https://doi.org/10.1016/j.gca.2006.06.1566
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Project(s):
Deep Sea Drilling Project (DSDP)
Coverage:
Latitude: 30.316667 * Longitude: -157.819167
Minimum DEPTH, sediment/rock: 10.925 m * Maximum DEPTH, sediment/rock: 11.400 m
Event(s):
Comment:
The total volumes of acids used in all cases were 50 ml.
Parameter(s):
| # | Name | Short Name | Unit | Principal Investigator | Method/Device | Comment |
|---|---|---|---|---|---|---|
| 1 | DEPTH, sediment/rock | Depth sed | m | Geocode | ||
| 2 | Depth, top/min | Depth top | m | Mukhopadhyay, Sujoy | ||
| 3 | Depth, bottom/max | Depth bot | m | Mukhopadhyay, Sujoy | ||
| 4 | Age model | Age model | ka | Mukhopadhyay, Sujoy | ||
| 5 | Sample code/label | Sample label | Mukhopadhyay, Sujoy | DSDP/ODP/IODP sample designation | ||
| 6 | Rock type | Rock | Mukhopadhyay, Sujoy | |||
| 7 | Sample type | Samp type | Mukhopadhyay, Sujoy | |||
| 8 | Insoluble residue | Insol res | % | Mukhopadhyay, Sujoy | ||
| 9 | Helium-3/Helium-4 | 3He/4He | 10-4 | Mukhopadhyay, Sujoy | Isotope ratio mass spectrometry | normalized to the air ratio of 0.00000139 |
| 10 | Helium-3 | 3He | 10-10 cm3/g | Mukhopadhyay, Sujoy | Isotope ratio mass spectrometry | STP |
| 11 | Helium-4 | 4He | 10-9 cm3/g | Mukhopadhyay, Sujoy | Isotope ratio mass spectrometry | STP |
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
85 data points
Data
| 1 Depth sed [m] | 2 Depth top [m] | 3 Depth bot [m] | 4 Age model [ka] | 5 Sample label | 6 Rock | 7 Samp type | 8 Insol res [%] | 9 3He/4He [10-4] | 10 3He [10-10 cm3/g] | 11 4He [10-9 cm3/g] |
|---|---|---|---|---|---|---|---|---|---|---|
| 10.925 | 10.92 | 10.93 | 33000 | GPC3 1092-1093 | pelagic clay | bulk | 477000 | 0.1600 | 240.7 | |
| 10.925 | 10.92 | 10.93 | 33000 | GPC3 1092-1093 | pelagic clay | leached with 12 M HF - 3 M HCl | 7.8 | 440000 | 0.0100 | 15.7 |
| 10.925 | 10.92 | 10.93 | 33000 | GPC3 1092-1093 | pelagic clay | leached with 6 M HCl | 58.0 | 579000 | 0.0470 | 56.7 |
| 10.925 | 10.92 | 10.93 | 33000 | GPC3 1092-1093 | pelagic clay | leached with 98% HNO3 | 67.0 | 282000 | 0.0210 | 51.0 |
| 10.925 | 10.92 | 10.93 | 33000 | GPC3 1092-1093 | pelagic clay | dried acid waste 12 M HF-3 M HCl | 38000 | 0.0002 | 3.3 | |
| 10.925 | 10.92 | 10.93 | 33000 | GPC3 1092-1093 | pelagic clay | dried acid waste 6 M HCl | 40000 | 0.0004 | 6.5 | |
| 10.925 | 10.92 | 10.93 | 33000 | GPC3 1092-1093 | pelagic clay | dried acid waste 98% HNO3 | 38000 | 0.0002 | 3.2 | |
| 11.400 | 11.36 | 11.44 | 35140 | GPC3 1136-1144 | pelagic clay | bulk | 1763000 | 1.2970 | 529.0 | |
| 11.400 | 11.36 | 11.44 | 35140 | GPC3 1136-1144 | pelagic clay | leached with 12 M HF - 3 M HCl | 13.0 | 603000 | 0.1360 | 160.1 |