Results 161 to 170 of about 1,952 (183)

The Upper Ordovician black shales of southern Quebec (Canada) and their significance for naturally occurring hydrocarbons in shallow groundwater

International Journal of Coal Geology, 2016
Hamed Sanei
exaly  

Multiple dolomitization and later hydrothermal alteration on the Upper Cambrian-Lower Ordovician carbonates in the northern Tarim Basin, China

Marine and Petroleum Geology, 2016
Chuan Guo, Daizhao Chen
exaly  

Genesis of Upper Cambrian-Lower Ordovician dolomites in the Tahe Oilfield, Tarim Basin, NW China: Several limitations from petrology, geochemistry, and fluid inclusions

Marine and Petroleum Geology, 2018
Zhiqian Gao
exaly  

First biostratigraphical constraints on the pre-Upper Ordovician sequences of the Pyrenees based on organic-walled microfossils

Comptes Rendus - Geoscience, 2012
Josep Maria Casas, Teodoro Palacios Medrano   +1 more
exaly  

Factors controlling organic-matter accumulation in the Upper Ordovician-Lower Silurian organic-rich shale on the northeast margin of the Upper Yangtze platform: Evidence from petrographic and geochemical proxies

Marine and Petroleum Geology, 2020
Fuhua Shang, Yan-Ming Zhu, Qinhong Hu
exaly  

First record of the Hirnantian (Upper Ordovician) δ13C excursion in the North American Midcontinent and its regional implications

Geological Magazine, 2006
Birger Schmitz
exaly  

A revision of the Upper Ordovician brachiopod

Geologiska Föreningen i Stockholm Förhandlingar, 1974
openaire   +1 more source

Chitinozoan biostratigraphy of the Upper Ordovician Fågelsång GSSP, Scania, southern Sweden

Review of Palaeobotany and Palynology, 2004
Thijs R A Vandenbroucke
exaly  

Preliminary palynological investigation of Saudi Arabian Upper Ordovician glacial sediments

Revue De Micropaleontologie, 2007
Merrell A Miller
exaly  

Middle and Upper Ordovician carbon isotope chemostratigraphy in Baltoscandia: A correlation standard and clues to environmental history

Palaeogeography, Palaeoclimatology, Palaeoecology, 2010
Leho Ainsaar, Tõnu Martma, Peep Männik
exaly