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Bibliographic Details
Main Authors: Diz, Paula, Hernández-Almeida, Iván, Bernárdez, Patricia, Pérez-Arlucea, Marta, Hall, Ian R
Format: Dataset Open Access
Language:en
Published: PANGAEA 2024
Subjects:
344-U1381C; AGE; Calculated; Carbon, inorganic, total; Carbon, organic; Costa Rica Seismogenesis Project 2 (CRISP); DEPTH, sediment/rock; DRILL; Drilling/drill rig; DSDP/ODP/IODP sample designation; Element analyser CHN, LECO CNS-2000; Exp344; IODP Depth Scale Terminology; Joides Resolution; Nitrogen; nitrogen content; opal; Opal, biogenic silica; Organic carbon; Sample code/label; Silicon/Carbon, molar ratio
Online Access:https://doi.org/10.1594/PANGAEA.971426
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Table of Contents:
  • The total weight percent of sedimentary carbon (% C) and nitrogen (% N), as well as inorganic carbon (% Cinorg) and organic carbon (% Corg) were measured using a macro elemental analyzer LECO CNS2000 at CACTI (Universidade de Vigo, Spain). For the estimation of %Cinorg an aliquot of the homogenized and ground samples was heated at 450ºC for 3 hours to remove organic carbon. The % Corg content was calculated as the difference between % C and % Cinorg. The concentration opal was determined using the method of Mortlock and Froelich (1989). The Siopal/Corg(Si/C) were calculated after transformation of the biogenic silica (opal) and % Corg into molar ratios. The age model is calculated as indicated in doi:10.1594/PANGAEA.971417.

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