Essays about: "jurassic"
Showing result 1 - 5 of 30 essays containing the word jurassic.
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1. Stratigraphy and palaeoenvironment of the early Jurassic volcaniclastic strata at Djupadalsmölla, central Skåne, Sweden
University essay from Lunds universitet/Geologiska institutionenAbstract : From the almost 200 volcanic outcrops in the Central Skåne Volcanic Province (CSVP), only three are of volcaniclastic material. These volcanoclastics, and the transition to the underlying crystalline basement, have been investigated for the first time in a drill core (KBH2) from Djupadalsmölla in order to understand the stra-tigraphy, depositional process, age of deposition, and depositional environment. READ MORE
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2. Record of the end-Triassic mass extinction in shallow marine carbonates: the Lorüns section (Austria)
University essay from Lunds universitet/Geologiska institutionenAbstract : The end-Triassic mass extinction (ETE) was one of the five big mass extinctions of the Phanerozoic and occurred ~201 Ma ago. Research agrees that the main triggering factor for the ETE was the eruptions of the Central Atlantic Magmatic Volcanic Province (CAMP), linked to the break-up of the supercontinent Pangaea. READ MORE
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3. Ancient plant cuticle chemistry: preservation and characterization of organic matter as biomarker of past UV-B radiation
University essay from KTH/KemiAbstract : Biologiska processer hos olika organismer påverkas av ultraviolett-B-strålning (UV-B). Kunskapen om förändringar i UV-B-flödet som nått planetens yta under det geologiska tidsspann sedan flercelligt liv uppstod är dock begränsad. READ MORE
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4. Oolites from the Arabian platform: Archives for the aftermath of the end-Triassic mass extinction
University essay from Lunds universitet/Geologiska institutionenAbstract : The end-Triassic mass extinction (ETME) which occurred around 201 Ma is known as one of “the big five” mass extinction events of the Phanerozoic eon. Its effects were most severe on marine ecosystems, resulting in a global decline of invertebrate taxa and the complete extinction of the conodonts. READ MORE
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5. Sedimentary Factories and Ecosystem Change in the Triassic-Jurassic Boundary Interval : Insights from the Skåne Area (Southern Sweden)
University essay from Uppsala universitet/PaleobiologiAbstract : The End-Triassic Extinction (ETE) has long remained one of the lesser known among the so-called “Big Five”. There exist several hypotheses regarding the probable cause of this extinction, which can mainly be divided into events of a decline in the rate of diversification in the late Triassic contra a sudden and significant extinction event. READ MORE