<?xml version="1.0" encoding="UTF-8"?><!--*** Generated from internal PANGAEA metadata schema by dif.xslt ***--><DIF xsi:schemaLocation="http://gcmd.gsfc.nasa.gov/Aboutus/xml/dif/ http://gcmd.gsfc.nasa.gov/Aboutus/xml/dif/dif_v9.4.xsd" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://gcmd.gsfc.nasa.gov/Aboutus/xml/dif/">
<Entry_ID>PANGAEA_961002</Entry_ID>
<Entry_Title>Chemical composition of Pacific manganese nodules and crusts from the Pacific and Indian oceans using atomic absorption spectrophotometry (AAS)</Entry_Title>
<Data_Set_Citation>
<Dataset_Creator>Fisk, Mary B; Frazer, Jane Z; Fitzgerald, R W</Dataset_Creator>
<Dataset_Title>Chemical composition of Pacific manganese nodules and crusts from the Pacific and Indian oceans using atomic absorption spectrophotometry (AAS)</Dataset_Title>
<Dataset_Release_Date>2023-07-19</Dataset_Release_Date>
<Dataset_Publisher>PANGAEA</Dataset_Publisher>
<Data_Presentation_Form>Dataset</Data_Presentation_Form>
<Online_Resource>https://doi.pangaea.de/10.1594/PANGAEA.961002</Online_Resource>
</Data_Set_Citation>
<Personnel>
<Role>Investigator</Role>
<First_Name>Mary B</First_Name>
<Last_Name>Fisk</Last_Name>
</Personnel>
<Discipline>
<Discipline_Name>Earth Science</Discipline_Name>
</Discipline>
<Parameters>
<Detailed_Variable>Event label</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>Latitude of event</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>Longitude of event</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>Elevation of event</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>Identification</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>Deposit type</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>DEPTH, sediment/rock</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>Manganese</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>Iron</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>Nickel</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>Copper</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>Cobalt</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>Lead</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>Zinc</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>Titanium</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>Aluminium</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>Calcium</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>Magnesium</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>Phosphorus</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>Potassium</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>Barium</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>Carbon</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>Sulfur</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>Sodium</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>Molybdenum</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>Thallium</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>Cadmium</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>Arsenic</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>Chromium</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>Mercury</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>Lithium</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>Selenium</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>Strontium</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>Thorium</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>Uranium</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>Vanadium</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>Size</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>Shape</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>Texture</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>Sample type</Detailed_Variable>
</Parameters>
<ISO_Topic_Category>geoscientificInformation</ISO_Topic_Category>
<Keyword>Box corer</Keyword>
<Keyword>CNEXO-A1</Keyword>
<Keyword>CNEXO-A4</Keyword>
<Keyword>CNEXO-B11</Keyword>
<Keyword>CNEXO-B2</Keyword>
<Keyword>CNEXO-B5</Keyword>
<Keyword>CNEXO-B6</Keyword>
<Keyword>CNEXO-B9</Keyword>
<Keyword>DODO</Keyword>
<Keyword>DODO-007D</Keyword>
<Keyword>DODO-013D</Keyword>
<Keyword>Dredge</Keyword>
<Keyword>DSV53P-8</Keyword>
<Keyword>Free-fall grab</Keyword>
<Keyword>Geochemistry</Keyword>
<Keyword>Halbach4</Keyword>
<Keyword>KKMN7503</Keyword>
<Keyword>manganese micronodule</Keyword>
<Keyword>manganese nodule</Keyword>
<Keyword>MN7503-01G20</Keyword>
<Keyword>NIXO_cruises</Keyword>
<Keyword>ocean</Keyword>
<Keyword>Prospector-53</Keyword>
<Keyword>RP6OC75</Keyword>
<Keyword>RP6OC75-18A-36</Keyword>
<Keyword>RP8OC7503</Keyword>
<Keyword>RP8OC75-46-07</Keyword>
<Keyword>RP8OC75-47-12</Keyword>
<Keyword>RP8OC75-47-13</Keyword>
<Keyword>RP8OC75-48-21</Keyword>
<Keyword>RP8OC75-49-25</Keyword>
<Keyword>RP8OC75-49-27</Keyword>
<Keyword>RP8OC75-50-28</Keyword>
<Keyword>RP8OC75-50-29</Keyword>
<Keyword>RP8OC75-50-30</Keyword>
<Keyword>RP8OC75-50-32</Keyword>
<Keyword>RP8OC75-54-49</Keyword>
<Keyword>RP8OC76</Keyword>
<Keyword>RP8OC76-14-20</Keyword>
<Keyword>RP8OC76-21-27</Keyword>
<Keyword>RP8OC76-3-8</Keyword>
<Keyword>RP8OC76-6-11</Keyword>
<Keyword>Sediment</Keyword>
<Keyword>Shackleton75/5</Keyword>
<Keyword>Shackleton75/5_1307</Keyword>
<Keyword>VA-05/1</Keyword>
<Keyword>VA-05/1_13B</Keyword>
<Sensor_Name>
<Long_Name>Atomic absorption spectrophotometry</Long_Name>
</Sensor_Name>
<Source_Name>
<Long_Name>Argo</Long_Name>
</Source_Name>
<Source_Name>
<Long_Name>Prospector</Long_Name>
</Source_Name>
<Source_Name>
<Long_Name>Kana Keoki</Long_Name>
</Source_Name>
<Source_Name>
<Long_Name>Oceanographer</Long_Name>
</Source_Name>
<Source_Name>
<Long_Name>Shackleton</Long_Name>
</Source_Name>
<Source_Name>
<Long_Name>Valdivia (1961)</Long_Name>
</Source_Name>
<Temporal_Coverage>
<Start_Date>1964-05-01</Start_Date>
<Stop_Date>1976-10-01</Stop_Date>
</Temporal_Coverage>
<Data_Set_Progress>Complete</Data_Set_Progress>
<Spatial_Coverage>
<Southernmost_Latitude>-4.982</Southernmost_Latitude>
<Northernmost_Latitude>18.783</Northernmost_Latitude>
<Westernmost_Longitude>57.277823</Westernmost_Longitude>
<Easternmost_Longitude>-125.48666700000001</Easternmost_Longitude>
<Minimum_Depth>0.0 m (DEPTH, sediment/rock)</Minimum_Depth>
<Maximum_Depth>0.0 m (DEPTH, sediment/rock)</Maximum_Depth>
</Spatial_Coverage>
<Project>
<Short_Name>NOAA-MMS</Short_Name>
<Long_Name>NOAA and MMS Marine Minerals Geochemical Database</Long_Name>
</Project>
<Access_Constraints>unrestricted</Access_Constraints>
<Use_Constraints>CC-BY-4.0: Creative Commons Attribution 4.0 International</Use_Constraints>
<Data_Set_Language>English</Data_Set_Language>
<Data_Center>
<Data_Center_Name>
<Short_Name>PANGAEA</Short_Name>
<Long_Name>Data Publisher for Earth &amp; Environmental Science</Long_Name>
</Data_Center_Name>
<Data_Center_URL>https://www.pangaea.de/</Data_Center_URL>
<Personnel>
<Role>Data Center Contact</Role>
<First_Name>Michael</First_Name>
<Last_Name>Diepenbroek</Last_Name>
<Email>info@pangaea.de</Email>
<Contact_Address>
<Address>Leobener Str.</Address>
<City>Bremen</City>
<Province_or_State>Bremen</Province_or_State>
<Postal_Code>28359</Postal_Code>
<Country>Germany</Country>
</Contact_Address>
</Personnel>
</Data_Center>
<Distribution>
<Distribution_Media>online</Distribution_Media>
<Distribution_Size>863 data points</Distribution_Size>
<Distribution_Format>text/tab-separated-values</Distribution_Format>
</Distribution>
<Reference>Fisk, Mary B; Frazer, Jane Z; Fitzgerald, R W (1977): Scripps Institution of Oceanography manganese nodules analyses done on April 1977. unpublished</Reference>
<Reference>Fisk, Mary B; Frazer, Jane Z; Fitzgerald, R W (2023): Chemical composition of Pacific and Indian Ocean manganese nodules and crusts from the DOMES area and the NIXO-CNEXO campaign using X-ray emission spectrometry [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.961005</Reference>
<Reference>Fisk, Mary B; Frazer, Jane Z; Fitzgerald, R W (2023): Chemical composition of Pacific manganese nodules from the DOMES area using X-ray fluorescence [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.961003</Reference>
<Reference>Grant, John Bruce; Moore, Carla J; Alameddin, George; Chen, Kuiying; Barton, Mark (1992): The NOAA and MMS Marine Minerals Geochemical Database. National Geophysical Data Center, NOAA, https://doi.org/10.7289/V52Z13FT</Reference>
<Reference>Warnken, Robin R; Virden, William T; Moore, Carla J (1992): The NOAA and MMS Marine Minerals Bibliography. National Geophysical Data Center, NOAA, https://doi.org/10.7289/V53X84KN</Reference>
<Summary>Manganese nodules and crusts from the Pacific and the Indian oceans were analyzed at Scripps Institution of Oceanography using atomic absorption spectrophotometry (AAS). Samples were ground to &lt; 74 microns, pressed into pellets and dried at 110 Degrees Centigrade. ** For all details see the full metadata description at "https://doi.pangaea.de/10.1594/PANGAEA.961002"! ** From 1983 until 1989 NOAA-NCEI compiled the NOAA-MMS Marine Minerals Geochemical Database from journal articles, technical reports and unpublished sources from other institutions. At the time it was the most extended data compilation on ferromanganese deposits world wide. Initially published in a proprietary format incompatible with present day standards it was jointly decided by AWI and NOAA to transcribe this legacy data into PANGAEA. This transfer is augmented by a careful checking of the original sources when available and the encoding of ancillary information (sample description, method of analysis...) not present in the NOAA-MMS database.</Summary>
<Related_URL>
<URL>http://en.wikipedia.org/wiki/Box_corer</URL>
<Description>Box corer</Description>
</Related_URL>
<Related_URL>
<URL>http://www.mindat.org/min-1209.html</URL>
<Description>Copper</Description>
</Related_URL>
<Related_URL>
<URL>http://www.mindat.org/min-2358.html</URL>
<Description>Lead</Description>
</Related_URL>
<Related_URL>
<URL>http://www.mindat.org/min-2895.html</URL>
<Description>Nickel</Description>
</Related_URL>
<Related_URL>
<URL>http://www.mindat.org/min-4405.html</URL>
<Description>Zinc</Description>
</Related_URL>
<Related_URL>
<URL>https://de.wikipedia.org/wiki/Valdivia_(Schiff,_1961)</URL>
<Description>Valdivia (1961)</Description>
</Related_URL>
<Related_URL>
<URL>https://doi.org/10.18142/136</URL>
<Description>NIXO_cruises</Description>
</Related_URL>
<Related_URL>
<URL>https://doi.org/10.7289/V52Z13FT</URL>
<Description>The NOAA and MMS Marine Minerals Geochemical Database</Description>
</Related_URL>
<Related_URL>
<URL>https://doi.org/10.7289/V53X84KN</URL>
<Description>The NOAA and MMS Marine Minerals Bibliography</Description>
</Related_URL>
<Related_URL>
<URL>https://doi.pangaea.de/10.1594/PANGAEA.961003</URL>
<Description>Chemical composition of Pacific manganese nodules from the DOMES area using X-ray fluorescence</Description>
</Related_URL>
<Related_URL>
<URL>https://doi.pangaea.de/10.1594/PANGAEA.961005</URL>
<Description>Chemical composition of Pacific and Indian Ocean manganese nodules and crusts from the DOMES area and the NIXO-CNEXO campaign using X-ray emission spectrometry</Description>
</Related_URL>
<Related_URL>
<URL>https://en.wikipedia.org/wiki/Thallium</URL>
<Description>Thallium</Description>
</Related_URL>
<Related_URL>
<URL>https://wiki.pangaea.de/wiki/NOAA-MMS</URL>
<Description>NOAA-MMS</Description>
</Related_URL>
<Metadata_Name>DIF</Metadata_Name>
<Metadata_Version>9.4</Metadata_Version>
<DIF_Creation_Date>2023-07-19</DIF_Creation_Date>
<Last_DIF_Revision_Date>2026-04-29</Last_DIF_Revision_Date>
</DIF>
