Graptolites show us how unpredictable the Silurian period really could be. What graptolites tell us is a story of incredible changes in the ocean, of periods where the oceans became poisonous and ...
The Silurian Period is characterised by a dynamic interplay between environmental stressors and biotic turnover, with extinction events and carbon isotope excursions (CIEs) representing pivotal ...
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Beyond Dinosaurs: The Silurian Hypothesis and the Mind-Bending Idea of Earth's Ancient Civilizations
Imagine looking back through Earth's incredibly vast history. We picture dinosaurs roaming lush landscapes, ancient oceans teeming with primitive life, and eventually, the rise of mammals leading to ...
The Changing Globe -- The Changing Face of the Earth -- Vendian Times -- Early Cambrian Times -- Late Cambrian Times -- Ordovician Times -- Silurian Times -- Devonian Times -- Carboniferous Times -- ...
The Silurian carbonate succession of the Sangamon arch in west-central Illinois includes hydrocarbon reservoirs that have produced chiefly from dolomitized nonreef facies (Fig. 1A). Nearly 30 million ...
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