26,358 Works

Determination of sulfite and manganese in sediments from the K/T boundary, supplement to: Griscom, David L; Beltran-Lopez, Virgilio; Pope, Kevin O; Ocampo, Adriana C (2003): New geochemical insights from electron-spin-resonance studies of Mn2+ and SO3 in calcites; quantitative analyses of Chicxulub Crater ejecta from Belize and southern Mexico with comparison to limestones from distal Cretaceous-Tertiary-boundary sites. In: Koeberl, C. (ed.), Impact markers in the stratigraphic record in impact studies, Springer, Berlin, pp. 229-270

David L Griscom, Virgilio Beltran-Lopez, Kevin O Pope & Adriana C Ocampo
The solid-state-physics technique of electron spin resonance (ESR) has been employed in an exploratory study of marine limestones and impact-related deposits from Cretaceous-Tertiary (KT) boundary sites including Spain (Sopelana and Caravaca), New Jersey (Bass River), the U.S. Atlantic continental margin (Blake Nose, ODP Leg 171B/1049/A), and several locations in Belize and southern Mexico within -600 km of the Chicxulub crater. The ESR spectra of SO3(1-) (a radiation-induced point defect involving a sulfite ion substitutional for...

(Table 2) Relative Electron spin resonance intensities of sulfite and manganese in stratigraphic sequences from Sopelana, Spain

David L Griscom, Virgilio Beltran-Lopez, Kevin O Pope & Adriana C Ocampo
The K/T boundary (base of ejecta layer) is at zero height

(Table 2) Relative Electron spin resonance intensities of sulfite and manganese in stratigraphic sequences from Caravaca, Spain

David L Griscom, Virgilio Beltran-Lopez, Kevin O Pope & Adriana C Ocampo
The K/T boundary (base of ejecta layer) is at zero height

(Table 3) Absolute determination of sulfite and manganese in calcite from sediments at the K/T boundary from ODP Hole 171-1049A

David L Griscom, Virgilio Beltran-Lopez, Kevin O Pope & Adriana C Ocampo
Aquired using whole-rock samples. Data expressed as number of ions per million CaCOƟ molecules

Basic measurements of radiation at station Solar Village (2000-03)

Naif Al-Abbadi

Basic measurements of radiation at station Solar Village (2000-02)

Naif Al-Abbadi

Basic measurements of radiation at station Solar Village (2000-01)

Naif Al-Abbadi

Basic measurements of radiation at station Solar Village (1999-12)

Naif Al-Abbadi

Basic measurements of radiation at station Solar Village (1999-11)

Naif Al-Abbadi

Basic measurements of radiation at station Solar Village (1999-10)

Naif Al-Abbadi

Basic measurements of radiation at station Solar Village (1999-09)

Naif Al-Abbadi

Basic measurements of radiation at station Solar Village (1999-08)

Naif Al-Abbadi

Basic measurements of radiation at station Solar Village (1999-07)

Naif Al-Abbadi

Basic measurements of radiation at station Solar Village (1999-06)

Naif Al-Abbadi

Basic measurements of radiation at station Solar Village (1999-05)

Naif Al-Abbadi

Basic measurements of radiation at station Solar Village (1999-04)

Naif Al-Abbadi

Basic measurements of radiation at station Solar Village (1999-03)

Naif Al-Abbadi

Basic measurements of radiation at station Solar Village (1999-02)

Naif Al-Abbadi

Basic measurements of radiation at station Solar Village (1999-01)

Naif Al-Abbadi

Basic measurements of radiation at station Solar Village (1998-11)

Naif Al-Abbadi

Basic measurements of radiation at station Solar Village (1998-10)

Naif Al-Abbadi

Basic measurements of radiation at station Solar Village (1998-09)

Naif Al-Abbadi

Major and trace element composition of clinopyroxenes from an olivine gabbro of ODP Hole 176-735B (Table 1), supplement to: Gao, Yongjun; Hoefs, Jochen; Hellebrand, Eric; von der Hand, Anette; Snow, Jonathan E (2007): Trace element zoning in pyroxenes from ODP Hole 735B gabbros: diffusive exchange or synkinematic crystal fractionation? Contributions to Mineralogy and Petrology, 153, 429-442

Yongjun Gao, Jochen Hoefs, Eric Hellebrand, Anette Von Der Hand & Jonathan E Snow
Major and trace element profiles of clinopyroxene grains in oceanic gabbros from ODP Hole 735B have been investigated by a combined in situ analytical study with ion probe, and electron microprobe. In contrast to the homogeneous major element compositions, trace elements (REE, Y, Cr, Sr, and Zr) show continuous core to rim zoning profiles. The observed trace element systematics in clinopyroxene cannot be explained by a simple diffusive exchange between melts and gabbros along grain...

Basic measurements of radiation at station Solar Village (2002-12)

Naif Al-Abbadi

Basic measurements of radiation at station Solar Village (2002-11)

Naif Al-Abbadi

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