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Sedimentology, 1995
ABSTRACTThe Trenton Group (Late Ordovician), the youngest carbonate unit in the Taconic foreland basin of southern Quebec, is a tripartite unit with a distinctive coarse‐grained middle part, the Deschambault Formation.Lithofacies of the Deschambault Formation are dominated by coarse‐grained bioclastic/intraclastic limestones; finer‐grained lithofacies ...
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ABSTRACTThe Trenton Group (Late Ordovician), the youngest carbonate unit in the Taconic foreland basin of southern Quebec, is a tripartite unit with a distinctive coarse‐grained middle part, the Deschambault Formation.Lithofacies of the Deschambault Formation are dominated by coarse‐grained bioclastic/intraclastic limestones; finer‐grained lithofacies ...
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The late Ordovician—Early Silurian glacial period
Palaeogeography, Palaeoclimatology, Palaeoecology, 1985Abstract Late Ordovician to Early Silurian tillites and evidence of extensive glacial erosion were first discovered in the western Sahara in the late 1950's, although the concept of a glacial period at this time had been around since the late 19th century.
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Late Ordovician Mass Extinction: Earth, fire and ice
National Science Review, 2023David A T Harper
exaly
UNDERSTANDING THE LATE ORDOVICIAN MASS EXTINCTION
Geological Society of America Abstracts with Programs, 2021openaire +1 more source