Eastern Pacific (ODP 1218B) Osmium isotope variations in the late Miocene interval Ravizza, G. Ravizza, G. earth science/paleoclimate/paleoceanography (osmium,null,two standard error,picogram per gram,null,paleoceanography,null,inductively-coupled plasma mass spectrometry,N,leachate; by isotope dilution) earth science/paleoclimate/paleoceanography (depth,null,null,meter,null,paleoceanography,null,null,N,meters below seafloor) earth science/paleoclimate/paleoceanography (osmium,null,two standard error,picogram per gram,null,paleoceanography,null,inductively-coupled plasma mass spectrometry,N,bulk sediment; by isotope dilution) earth science/paleoclimate/paleoceanography (depth at sample end,null,null,centimeter,null,paleoceanography,null,null,N,Top of sample interval given as distance in cm from top of section.) earth science/paleoclimate/paleoceanography (depth at sample end,null,null,meter,null,paleoceanography,null,null,N,Top of sample interval given as meters below seafloor.) earth science/paleoclimate/paleoceanography (187Os/188Os,null,null,dimensionless,null,paleoceanography,null,inductively-coupled plasma mass spectrometry,N,sediment leachate; Partial dissolution by cold ˜4N HNO3 with hydrogen peroxide followed by Carius tube digestion) earth science/paleoclimate/paleoceanography (depth at sample start,null,null,centimeter,null,paleoceanography,null,null,N,Bottom of sample interval given as distance in cm from top of section.) earth science/paleoclimate/paleoceanography (187Os/188Os,null,null,dimensionless,null,paleoceanography,null,inductively-coupled plasma mass spectrometry,N,bulk sediment; Digestion by NiS fire assay) earth science/paleoclimate/paleoceanography (osmium,null,null,picogram per gram,null,paleoceanography,null,inductively-coupled plasma mass spectrometry,N,bulk sediment; by isotope dilution; picogram Os per gram of dry sediment) earth science/paleoclimate/paleoceanography (187Os/188Os,null,two standard error,dimensionless,null,paleoceanography,null,inductively-coupled plasma mass spectrometry,N,sediment leachate; Partial dissolution by cold ˜4N HNO3 with hydrogen peroxide followed by Carius tube digestion) earth science/paleoclimate/paleoceanography (sample identification,null,null,null,null,paleoceanography,null,null,N,ODP Section number with designated Core) earth science/paleoclimate/paleoceanography (osmium,null,null,picogram per gram,null,paleoceanography,null,inductively-coupled plasma mass spectrometry,N,leachate; by isotope dilution) earth science/paleoclimate/paleoceanography (age,null,null,calendar year before present,null,paleoceanography,null,null,N,age of mid-point of sample interval) earth science/paleoclimate/paleoceanography (depth at sample start,null,null,meter,null,paleoceanography,null,null,N,Bottom of sample interval given as meters below seafloor.) earth science/paleoclimate/paleoceanography (sample identification,null,null,null,null,paleoceanography,null,null,C,ODP site number and hole letter) earth science/paleoclimate/paleoceanography (sample identification,null,null,null,null,paleoceanography,null,null,N,ODP Core number in designated Site) earth science/paleoclimate/paleoceanography (187Os/188Os,null,two standard error,dimensionless,null,paleoceanography,null,inductively-coupled plasma mass spectrometry,N,bulk sediment; Digestion by NiS fire assay) earth science/paleoclimate/paleocean earth science/paleoclimate/paleocean (ODP 1218>LATITUDE 8.8894>LONGITUDE -135.3667) Records of past climate and ocean circulation derived from marine sediments. Parameter keywords describe what was measured in this data set. Additional summary information can be found in the abstracts of papers listed in the data set citations. STUDY NOTES: Note that age control based on magnetic reversal stratigraphy can be found in Lanci et al. (2004) EPSL 226:207-224. Conversion from mbsf to rmcd follows: Pälike et al. 2005. In: Wilson, P.A., Lyle, M., and Firth, J.V. (Eds.), Proc. ODP, Sci. Results, 199, 1–41 [Online]. Available from World Wide Web: http://www-odp.tamu.edu/publications/199_SR/VOLUME/CHAPTERS/213.PDF. All sediment samples are from the working half of core. Provided Keywords: Osmium Isotope, Miocene NCDC-Paleoclimatology https://www.ncdc.noaa.gov/data-access/paleoclimatology-data - Bauer Bruce Investigator : Ravizza, G. 2017-10-11 ONLINE Files online, ASCII https://www.ncdc.noaa.gov/paleo/study/22770 https://www1.ncdc.noaa.gov/pub/data/paleo/contributions_by_author/ravizza2017/ravizza2017.txt https://www1.ncdc.noaa.gov/pub/data/paleo/contributions_by_author/ravizza2017/ravizza2017.txt English https://www.ncdc.noaa.gov/paleo/study/22770 https://www1.ncdc.noaa.gov/pub/data/paleo/contributions_by_author/ravizza2017/ravizza2017.txt START YEAR: 4200000 cal yr BP * END YEAR: 10000000 cal yr BP -135.3667 8.8894 -135.3667 8.8894