Tamura, Akihiro; Arai, Shoji; Ishimaru, Satoko; Andal, Eric S (2008): (Table 1) Modal compositions of peridotites from IODP Site 304-U1309 [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.772662, In supplement to: Tamura, A et al. (2008): Petrology and geochemistry of peridotites from IODP Site U1309 at Atlantis Massif, MAR 30°N: micro- and macro-scale melt penetrations into peridotites. Contributions to Mineralogy and Petrology, 155(4), 491-509, https://doi.org/10.1007/s00410-007-0254-0
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Project(s):
Coverage:
Median Latitude: 30.168555 * Median Longitude: -42.119000 * South-bound Latitude: 30.168460 * West-bound Longitude: -42.119000 * North-bound Latitude: 30.168650 * East-bound Longitude: -42.119000
Minimum Elevation: -1644.9 m * Maximum Elevation: -1642.3 m
Event(s):
304-U1309B * Latitude: 30.168460 * Longitude: -42.119000 * Elevation: -1642.3 m * Recovery: 46.73 m * Campaign: Exp304 (Oceanic Core Complex Formation, Atlantis Massive 1) * Basis: Joides Resolution * Method/Device: Drilling/drill rig (DRILL) * Comment: 20 cores; 101.8 m cored; 45.9 % recovered; 0 m drilled; 101.8 m penetrated
304-U1309D * Latitude: 30.168650 * Longitude: -42.119000 * Elevation: -1644.9 m * Recovery: 243.69 m * Campaign: Exp304 (Oceanic Core Complex Formation, Atlantis Massive 1) * Basis: Joides Resolution * Method/Device: Drilling/drill rig (DRILL) * Comment: 77 cores; 380.7 m cored; 64 % recovered; 20.5 m drilled; 401.3 m penetrated
Comment:
Proportions (vol%) of primary phases.
Parameter(s):
| # | Name | Short Name | Unit | Principal Investigator | Method/Device | Comment |
|---|---|---|---|---|---|---|
| 1 | Event label | Event | ||||
| 2 | Sample code/label | Sample label | Tamura, Akihiro | DSDP/ODP/IODP sample designation | ||
| 3 | Sample code/label 2 | Sample label 2 | Tamura, Akihiro | |||
| 4 | Mineral name | Mineral | Tamura, Akihiro | |||
| 5 | Distance | Distance | m | Tamura, Akihiro | from contact with upper gabbro in Hole U1309B | |
| 6 | Olivine | Ol | % | Tamura, Akihiro | ||
| 7 | Orthopyroxene | Opx | % | Tamura, Akihiro | # = as pyroxene modal ratio due to secere alterations | |
| 8 | Clinopyroxene | Cpx | % | Tamura, Akihiro | ||
| 9 | Spinel | Spl | % | Tamura, Akihiro | ||
| 10 | Plagioclase | Pl | % | Tamura, Akihiro | ||
| 11 | Alteration | Alteration | % | Tamura, Akihiro | degree of alteration estimated from olivine and pyroxene alterations |
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
111 data points
Data
| 1 Event | 2 Sample label | 3 Sample label 2 | 4 Mineral | 5 Distance [m] | 6 Ol [%] | 7 Opx [%] | 8 Cpx [%] | 9 Spl [%] | 10 Pl [%] | 11 Alteration [%] |
|---|---|---|---|---|---|---|---|---|---|---|
| 304-U1309B | 304-U1309B-11R-1,95-98 | BH1-1 | harzburgites | 0.10 | 82 | 14.0 | 2.0 | 1.9 | 65 | |
| 304-U1309B | 304-U1309B-11R-1,95-99 | BH1-2 | harzburgites | 0.10 | 87 | 12.0 | 1.0 | 60 | ||
| 304-U1309B | 304-U1309B-11R-1,100-104 | BH2 | harzburgites | 0.18 | 79 | 20.0 | 0.2 | 0.4 | 77 | |
| 304-U1309B | 304-U1309B-11R-1,114-119 | BH3 | harzburgites | 0.30 | 83 | 15.0 | 1.8 | 0.4 | 87 | |
| 304-U1309B | 304-U1309B-11R-2,0-8 | BH4 | harzburgites | 0.48 | 78 | 20.0 | 1.0 | 1.0 | 86 | |
| 304-U1309B | 304-U1309B-11R-2,23-30 | BH5 | harzburgites | 0.70 | 77 | 22.0 | 0.3 | 0.7 | 85 | |
| 304-U1309D | 304-U1309D-10R-1,91-107 | DP1 | peridotites | 76 | <1.0 | 22.0 | 0.5 | 0.5 | 24 | |
| 304-U1309D | 304-U1309D-23R-2,8-13 | DP2 | peridotites | 89 | 8.1 | 0.9 | 2.0 | 49 | ||
| 304-U1309D | 304-U1309D-27R-3,0-4 | DP3 | peridotites | 84 | 11.0 | 7.2 | 0.5 | 0.8 | 88 | |
| 304-U1309D | 304-U1309D-31R-1,22-24 | DP4-1 | peridotites | 96 | #2.6 | 1.3 | <1.0 | 100 | ||
| 304-U1309D | 304-U1309D-31R-2,20-22 | DP4-2 | peridotites | 81 | #17.0 | 0.7 | 1.6 | 100 | ||
| 304-U1309D | 304-U1309D-61R-1,22-26 | DP5-1 | peridotites | 75 | 11.0 | 0.2 | 13.0 | 62 | ||
| 304-U1309D | 304-U1309D-61R-1,47-52 | DP5-2 | peridotites | 81 | 10.0 | 1.2 | 8.7 | 65 |