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| Format: | Dataset Open Access |
| Sprache: | en |
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PANGAEA
2007
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| Online-Zugang: | https://doi.org/10.1594/PANGAEA.670932 |
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| _version_ | 1867171731341312000 |
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| author | Iyer, S D Mukhopadhyay, R Popko, D C |
| author_facet | Iyer, S D Mukhopadhyay, R Popko, D C |
| collection | Datos científicos de ciencias marinas y ambientales |
| contents | We report the occurrence of ferrobasalts recovered from the Central Indian Ocean Basin crust generated at the Southeast Indian Ridge during a phase of moderate to fast spreading accretion (~110-190 mm/yr, full rate).The rocks are rich in plagioclase, FeO* (13/19 %), and TiO2 (2.27/2.76 %), poor in olivine and MgO (3.44/6.20%), and associated with topographic highs and increased amplitude magnetic anomalies corresponding to chrons A25 and A24. We suggest that secon dary eruptions from ancient N-MORB magma, which may have been trapped at a shallow depth in a horizon of neutral buoyancy, could have produced the ferrobasalts. |
| format | Dataset Open Access |
| id | pangaea_https___doi_org_10_1594_PANGAEA_670932 |
| institution | PANGAEA |
| language | en |
| publishDate | 2007 |
| publisher | PANGAEA |
| record_format | pangaea |
| spellingShingle | Major and trace element composition in the Central Indian Ocean Basin ferrobasalts (Table 2, 3) Iyer, S D Mukhopadhyay, R Popko, D C Aluminium oxide; Barium; Calcium oxide; Chromium; CIOB; Cobalt; Copper; Depth, bathymetric; DEPTH, sediment/rock; Dredge; DRG; Indian Ocean; Iron oxide, FeO; LATITUDE; Lithology/composition/facies; LONGITUDE; Magnesium oxide; Manganese oxide; Nickel; Phosphorus pentoxide; Potassium oxide; Sample code/label; Sample comment; Silicon dioxide; Sodium oxide; Titanium dioxide; Vanadium; Yttrium; Zinc; Zirconium We report the occurrence of ferrobasalts recovered from the Central Indian Ocean Basin crust generated at the Southeast Indian Ridge during a phase of moderate to fast spreading accretion (~110-190 mm/yr, full rate).The rocks are rich in plagioclase, FeO* (13/19 %), and TiO2 (2.27/2.76 %), poor in olivine and MgO (3.44/6.20%), and associated with topographic highs and increased amplitude magnetic anomalies corresponding to chrons A25 and A24. We suggest that secon dary eruptions from ancient N-MORB magma, which may have been trapped at a shallow depth in a horizon of neutral buoyancy, could have produced the ferrobasalts. |
| title | Major and trace element composition in the Central Indian Ocean Basin ferrobasalts (Table 2, 3) |
| topic | Aluminium oxide; Barium; Calcium oxide; Chromium; CIOB; Cobalt; Copper; Depth, bathymetric; DEPTH, sediment/rock; Dredge; DRG; Indian Ocean; Iron oxide, FeO; LATITUDE; Lithology/composition/facies; LONGITUDE; Magnesium oxide; Manganese oxide; Nickel; Phosphorus pentoxide; Potassium oxide; Sample code/label; Sample comment; Silicon dioxide; Sodium oxide; Titanium dioxide; Vanadium; Yttrium; Zinc; Zirconium |
| url | https://doi.org/10.1594/PANGAEA.670932 |