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PREBIOTIC CHEMISTRY

PREBIOTIC CHEMISTRY. Biophysic course WS 2006, Rome. 1.Science confronting the origin of life on Earth. 1.2.: Prebiotic chemistry. 1. Life originated from inanimate matter as a spontan- eous and continous increase of molecular complexity. Chemical continuity principle - no transcendental

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Sediments and the Sea Floor

Sediments and the Sea Floor. Terrigenous Biogenous Hydrogenous Cosmogenous Volcanogenous . Sediments and the Sea Floor. Terrigenous (Land Based) - From the earth’s lithosphere is sometimes called Lithogenous - Mud and Clay deposits that include red clays

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1.6k views • 19 slides

Lecture 23: Mass Extinctions 5.) Cretaceous (144 - 65 mya)

Lecture 23: Mass Extinctions 5.) Cretaceous (144 - 65 mya). Mesozoic : (Permian → Cretaceous) huge ↑ in biodiversity End Cretaceous (65 mya): 85% of all spp. gone All non-avian dinosaurs &amp; pterosaurs gone No terrestrial organisms &gt;25 kg survive!

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424 views • 10 slides

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