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Micropaleontology Course
Micropaleontology is concerned with microfossils and nanofossils (the latter being smaller than 50 m), the study of which must, of necessity, be carried out using the light or electron microscope. These fossils are: 1-) The remains of unicellular and multicellular micro-organisms and 2) The dissociated elements and skeletal fragments of macro-organisms.
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Objective of micropaleontology
Study the fossils in terms of morphology, structure, chemical and mineralogical components. Classification: discover their origin and systematic affinities. Applications in oil exploration, biostratigraphy, palaeo-biology and paleoclimatology. Other environmental issues.
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Microfossils Groups 1. Foraminifera
Unicellular/ calcareous or agglutinated/ marine environments/ planktonic and benthonic/ heterotrophic. 2. Ostracods Multicellular/ calcareous or chitinous valves/ marine and fresh environments/ planktonic and benthonic/ heterotrophic. 3. Coccolithophora Unicellular/ autotrophic/ calcareous/ planktonic and benthonic/ marine and fresh environments. 4. Diatom Unicellular/ autotrophic/ siliceous/ planktonic/ mainly marine environments. 5. Radiolaria Unicellular/ heterotrophic/ siliceous/ planktonic/ marine environments. 6. Dinoflagellates Unicellular/ autotrophic or heterotrophic / cysts are preserved (organic, calcareous or siliceous) motile and non-motile stages/ marine and fresh environments.
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Figures showing the microfossils groups
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