Characteristic samples of Upper Cretaceous pelagic red sediments from different parts of the Eastern Pontides (NE Turkey) have been investigated by X-ray diffraction (XRD), X-ray fluorescence (XRF) and scanning electron microscopy coupled with energy dispersive analyses (SEM/EDAX). The red sediments are composed of limestone and muddy limestone, and characterized by abundant planktonic foraminifers. Hematite content ranges from 0.5 to 3.0 wt.%. Electron microscope observations suggest that the hematite pigment has a diagenetic origin. The red colour is due to presence of hematite pigment, and indicates oxidizing conditions during early diagenesis in a relatively deep marine environment.
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Similar content being viewed by others Explore related subjectsDiscover the latest articles and news from researchers in related subjects, suggested using machine learning. Author information Authors and AffiliationsMersin Üniversitesi Jeoloji Mühendisliği Bölümü, TR-33160 Çiftlikköy, Mersin, Turkey e-mail: m_eren@yahoo.com Tel.: +90-324-3610032, , , , , , TR
Muhsin Eren
Maden Tetkik ve Arama Genel Müdürlüğü (MTA), TR-06520, Ankara, Turkey, , , , , , TR
Selahattin Kadir
Received: 4 January 1999 / Accepted: 8 July 1999
About this article Cite this articleEren, M., Kadir, S. Colour origin of upper cretaceous pelagic red sediments within the Eastern Pontides, northeast Turkey. Int Journ Earth Sciences 88, 593–595 (1999). https://doi.org/10.1007/s005310050287
Issue Date: October 1999
DOI: https://doi.org/10.1007/s005310050287
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