{"text_format":"1","workbook":"xlsx","n_sheets":4,"sheets":["About","Metadata","Chronology","Data"],"not_rendered":{"charts":0,"images":0,"macros":1,"external_links":0,"defined_names":22,"comments":0,"pivot_tables":0},"unopened":[],"bounds":{"document_bytes":16777216,"sheet_cells":100000,"rows_first":2000,"rows_last":500,"rows_between":2000,"halvings":0,"cell_chars":16384,"cell_head_chars":4096},"cells_cut":0,"cells_raw":0,"read":"whole","date_system":"1900"}

{"sheet":"About","index":0,"n_rows":6,"n_cols":1,"rows_kept":6,"cut":false,"hidden":false,"merged":[]}
["Contributed by E. Rohde, C. T. Hayes, N. Redmond, S. Glasscock, July 2021"]
["In association with a manuscript under consideration at Geochemistry, Geophysics, Geosystems"]
["This spreadsheet is modeled after the Template used by the NOAA/WDC Paleoclimatology Database"]
["Find subsequent tabs for Metadata, Chronology and Data"]
["This data reports Mn, Re and opal concentrations from Marine Isotope Stages 12 thru 10."]
["There is a longer record of U and Th data (Marine Isotope Stages 12 thru 1) reported at the following url (https://www.ncdc.noaa.gov/paleo/study/28691 )"]

{"sheet":"Metadata","index":1,"n_rows":51,"n_cols":4,"rows_kept":51,"cut":false,"hidden":false,"merged":[]}
[]
["Study Title (where, what, when (time period covered))","Authigenic rhenium, manganese and opal concentrations in the Deep South Atlantic from 370 to 450 ka"]
["Original Source_URL (if applicable)"]
["Description of \"Original_Source_URL\" link, if applicable"]
["Investigators (Lastname, first; lastname2, first2)","Rohde, Evan; Hayes, Christopher; Redmond, Neil; Glasscock, Samuel"]
["Data_Type","Paleoceanography","Parameter Keywords","geochemistry"]
["Parameter Keywords (select one or many from proxy-specific list in Cell D5)"]
["Description and Notes"]
["Scientific keywords separated by commas","Southern Ocean, redox sensitive metals, Marine Isotope Stage 11"]
[]
["Publication Section"]
["Authors (Exactly as written in the publication citation)","Rohde, Evan E., Christopher T. Hayes, Neil Redmond, Samuel K. Glasscock"]
["Publication title","Southern Ocean oxygenation changes inferred from redox-sensitive trace metals across Marine Isotope Stage 11"]
["Journal","Geochemistry, Geophysics, Geosystems"]
["Year",2021]
["Volume","under consideration"]
["Edition"]
["Issue"]
["Pages"]
["Report Number"]
["DOI"]
["Online_Resource"]
["Abstract","Changes in the circulation of the Southern Ocean are known to have impacted global nutrient, heat, and carbon cycles during the glacial and interglacial periods of the late Pleistocene. Proxy-based records of these changes deserve continued scrutiny as the implications may be important for constraining future change. A record of authigenic uranium from the South Atlantic has been used to infer changes in deep-sea oxygenation and organic matter export over the past 0.5 million years. Since sedimentary uranium has the possible complication of remobilization, it is prudent to investigate the behavior of other redox-sensitive trace metals to confidently interpret temporal changes in oxygenation. Focusing here on the exceptionally long interglacial warm period, Marine Isotope Stage (MIS) 11, we found concurrent authigenic enrichments of uranium and rhenium throughout MIS 12 to 10, overall supporting prior interpretations of low-oxygen periods. However, there are differential responses of Re and U to oxygen changes and some evidence of small-scale Re remobilization, which may involve differences in molecular-level reduction mechanisms. Peaks in authigenic manganese intervening with peaks in Re and U indicate increases in porewater oxygenation which likely relate to increased Antarctic Bottom Water circulation at the onset of MIS11c and during the peak warmth of the interglacial around 400 ka."]
["Alternate citation in paragraph format (For books, theses, etc. that don't fit well in above fields)"]
[]
["Site Information"]
["Site name","ODP Site 1094"]
["Location","South Atlantic Ocean"]
["Country"]
["Northernmost latitude (decimal degree, South negative, WGS84)",-53.2]
["Southernmost latitude (decimal degree, South negative, WGS84)",-53.2]
["Easternmost longitude (decimal degree, West negative, WGS84)",5.0999999999999996]
["Westernmost longitude (decimal degree, West negative, WGS84)",5.0999999999999996]
["elevation (m), below sea level negative",-2807]
[]
["Data Collection Information"]
["Collection_Name (typically a core name)","ODP Site 1094"]
["Oldest Year (relative to 1950AD)",450814]
["Most Recent Year (relative to 1950AD)",369194]
["Time_Unit","cal yr BP"]
["Notes"]
["Core_Length (m)",73.23]
[]
["Species Info (for Tree ring data)"]
["Species_Name"]
["Common_Name (for example, at the level of Family or higher)"]
["Tree_Species_code (Four Letters)"]
[]
["Funding_Agency"]
["Funding_Agency_Name","U.S. National Science Foundation"]
["Grant",1658445]

{"sheet":"Chronology","index":2,"n_rows":14,"n_cols":2,"rows_kept":14,"cut":false,"hidden":false,"merged":[]}
["Chronology Table Containing Measured Depths and Ages"]
["Chronology Notes"]
["Chronology Table As Paragraph (insert table into cell B3) not preferred"]
["Chronology Table (Use as many rows and columns are needed below this line)"]
["The age model used for this study was derived and is reported by Hasenfratz et al. (2019). We reproduce here the tie points used for this study."]
["Reference: Hasenfratz et al., 2019. Science. Http://doi.org/10.1126/science.aat7067 "]
["ODP 1094 Depth (meters composite depth, top)","Age (kyr ago)"]
[55.517101689999997,348.81471099999999]
[60.349330860000002,395.19659489999998]
[66.971360110000006,410.16925040000001]
[67.848868499999995,419.97726510000001]
[70.856984550000007,428.8448558]
[71.120518369999999,436.92707619999999]
[75.086118880000001,463.0371323]

{"sheet":"Data","index":3,"n_rows":135,"n_cols":11,"rows_kept":135,"cut":false,"hidden":false,"merged":[]}
["Variables"]
["Short_name","What","Material","Error","Units","Seasonality","Data_Type","Detail","Method","Data_Format","Additional_Information"]
["MCD_TOP","depth",null,null,"meters composite depth",null,null,null,null,"N"]
["AGE_KYR","age",null,null,"kiloyears",null,null,null,null,"N"]
["Re_ppb","rhenium","dry sediment",null,"parts per billion",null,"Paleoceanography",null,"elemental analysis","N"]
["Mn_ppm","manganese","dry sediment",null,"parts per million",null,"Paleoceanography",null,"elemental analysis","N"]
["opal_percent","biogenic opal","dry sediment",null,"percent",null,"Paleoceanography",null,"alkaline leach and molybdate blue spectrophotometry","N"]
["aRe_ppb","authigenic rhenium","dry sediment",null,"parts per billion",null,"Paleoceanography",null,"calculated","N","Authigenic rhenium is calculated by subtracting from the total measured rhenium an estimate of the lithogenic rhenium based on measured thorium-232 "]
["aMn_ppm","authigenic manganese","dry sediment",null,"parts per million",null,"Paleoceanography",null,"calculated","N","Authigenic manganese is calculated by subtracting from the total measured manganese an estimate of the lithogenic manganese based on measured thorium-232 "]
[]
[]
[]
[]
[]
["Data"]
["Missing Value ",-999]
["MCD_TOP","AGE_KYR","Re_ppb","Mn_ppm","opal_percent","aRe_ppb","aMn_ppm"]
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