Mineralogy, rare earth elements, and strontium isotopic composition of phosphorites and phosphatized rocks from the Rio Grande Rise, south Atlantic Ocean
Phosphorites and phosphatized rocks from the summit of the Rio Grande Rise (RGR) in the south Atlantic Ocean were collected via dredge during the oceanographic research cruise RGR1 to the western RGR. The location (latitude, longitude, depth), mineralogy, concentrations of phosphorus and rare earth elements, and 87Sr/86Sr ratios of phosphorites and phosphatized FeMn crusts, ironstones, and carbonates from 10 dredge sites are presented here. These data were used to determine the presence of carbonate fluorapatite in different rock types, the age of carbonate fluorapatite and the characteristics of the phosphatizing fluid.
Complete Metadata
| accessLevel | public |
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[
"010:12"
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| contactPoint |
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"hasEmail": "mailto:pcmsc_data@usgs.gov"
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|
| description | Phosphorites and phosphatized rocks from the summit of the Rio Grande Rise (RGR) in the south Atlantic Ocean were collected via dredge during the oceanographic research cruise RGR1 to the western RGR. The location (latitude, longitude, depth), mineralogy, concentrations of phosphorus and rare earth elements, and 87Sr/86Sr ratios of phosphorites and phosphatized FeMn crusts, ironstones, and carbonates from 10 dredge sites are presented here. These data were used to determine the presence of carbonate fluorapatite in different rock types, the age of carbonate fluorapatite and the characteristics of the phosphatizing fluid. |
| distribution |
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| identifier | http://datainventory.doi.gov/id/dataset/USGS_f505c226-163c-423f-af48-37d8959183bc |
| keyword |
[
"Assessments",
"Atlantic Ocean",
"CMHRP",
"Coastal and Marine Hazards and Resources Program",
"Global Ocean Mineral Resources",
"Material Resources",
"Mineral Resources",
"Nonliving Resources",
"PCMSC",
"Pacific Coastal and Marine Science Center",
"Physical/Chemical Features",
"Rio Grande Rise",
"U.S. Geological Survey",
"USGS",
"USGS:f505c226-163c-423f-af48-37d8959183bc",
"chemical analysis",
"dredge sampling",
"geochemistry",
"geoscientificInformation",
"isotopic analysis",
"mass spectroscopy",
"metallic mineral resources",
"mineral resources",
"oceans",
"sediment geochemistry",
"x-ray diffraction"
]
|
| modified | 2021-06-03T00:00:00Z |
| publisher |
{
"name": "U.S. Geological Survey",
"@type": "org:Organization"
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|
| spatial | -39.3750000, -34.4778612, -29.1015625, -29.4778612 |
| theme |
[
"Geospatial"
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|
| title | Mineralogy, rare earth elements, and strontium isotopic composition of phosphorites and phosphatized rocks from the Rio Grande Rise, south Atlantic Ocean |
