Cenomanian—Turonian ostracods from Gebel Nezzazat, southwestern Sinai, Egypt, with observations on ∂<sup>13</sup>C values and the Cenomanian/Turonian boundary
نویسندگان
چکیده
منابع مشابه
Rare earth element deposition in pelagic sediment at the CenomanianTuronian Boundary, Exmouth Plateau
ODP Site 762 (eastern Indian Ocean) includes a section of sediment that spans the Cenomanian-Turonian Boundary (CTB) and was deposited along a continental margin during a period of widespread oceanic 09. deficiency. The rare earth element (REE) content of preand post-boundary sediment is similar to that of present-day continental slope material deposited in well-oxygenated seawater, whereas the...
متن کاملUranium migration in Paleozoic lateritic Paleosol Samples, Southwestern Sinai, Egypt
This paper spotlights on determining the concentrations and distribution of radionuclides in paleozoic lateritic paleosol samples from El-Gor area, southwestern Sinai, Egypt, using high-resolution gamma spectrometry. The concentrations of eU (ppm), eTh (ppm), and K (in percentage) were determined. The obtained data of eU, eTh and their ratios were used for calculations of uranium migration tend...
متن کاملPetrogenesis of A-type granites and origin of vertical zoning in the Katharina pluton, Gebel Mussa (Mt. Moses) area, Sinai, Egypt
The central pluton within the Neoproterozoic Katharina Ring Complex (area of Gebel Mussa, traditionally believed to be the biblical Mt. Sinai) shows a vertical compositional zoning: syenogranite makes up the bulk of the pluton and grades upwards to alkalifeldspar granites. The latters form two horizontal subzones, an albite–alkali feldspar (Ab–Afs) granite and an uppermost perthite granite. The...
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Two newly recognized species of Hemidactylus (Squamata, Gekkonidae) from the Arabian Peninsula and Sinai, Egypt
A recent molecular phylogeny of the Arid clade of the genus Hemidactylus revealed that the recently described H. saba and two unnamed Hemidactylus species from Sinai, Saudi Arabia and Yemen form a well-supported monophyletic group within the Arabian radiation of the genus. The name 'Hemidactylus saba species group' is suggested for this clade. According to the results of morphological compariso...
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ژورنال
عنوان ژورنال: Journal of Micropalaeontology
سال: 1991
ISSN: 2041-4978
DOI: 10.1144/jm.10.2.133