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Cretaceous Pelagic Red Beds and Black Shales (Aptian-Santonian), NW Turkey: Global Oceanic Anoxic and Oxic Events
Cretaceous red beds black shales global anoxic and oxic events sedimentology cyclostratigraphy sequence stratigraphy NW Turkey
2009/7/7
The study areas located near the towns of Göynük, Mudurnu and Nallıhan in the central northwestern part of Turkey lie on the `Sakarya Continent´, which is one of the tectonic entities ...
Natural Ammonium Illites from Black Shales Hosting a Stratiform Base Metal Deposit, DeLong Mountains, Northern Alaska
Ammonium Black shale Illite Infrared spectroscopy Nitrogen X-ray powder diffraction
2012/2/7
Naturally occurring ammonium illites have been discovered in black shales surrounding a stratiform base metal deposit in the DeLong Mountains, northern Alaska. Infrared spectra of the samples exhibit ...