{"id":632,"date":"2015-05-10T10:17:13","date_gmt":"2015-05-10T08:17:13","guid":{"rendered":"http:\/\/www.paleurafrica.be\/?page_id=632"},"modified":"2016-10-15T16:41:05","modified_gmt":"2016-10-15T14:41:05","slug":"labo-ugent","status":"publish","type":"page","link":"https:\/\/www.paleurafrica.be\/?page_id=632","title":{"rendered":"<\/span> Labo Ghent University"},"content":{"rendered":"

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Palynological analysis\u00a0performed at the Research Unit Palaeontology of Ghent University<\/span><\/h5>\n

Dinoflagellate cysts are marine palynomorphs\u00a0that are frequently used for high-resolution biostratigraphical studies; their resting\u00a0cysts, evolve rapidly, abound in marine sediments and some are cosmopolitan. The Paleocene\u2013Eocene outcrops of Cabinda (Angola), Boma (DRCongo), and Vastan (Gujarat, India) will be\u00a0analysed biostratigraphically, in order to elaborate\u00a0a detailed, high-resolution depositional model. The extraction of the organic material from the sediments involves repeated treatment cycles with acids for the removal of carbonates and silicates. The organic residues are mounted on glass microscope slides and studied with a transmitted light microscope under high magnification (200x to 1000x). Other marine palynomorphs (acritarchs, single-celled green algae) and pollen and spores are also studied since they provide valuable paleoenvironmental information (sea surface temperature, distance to the coast, sea surface salinity, degree of trophication).<\/span><\/p>\n

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\"0101 Thomas Steeman drying the palynological samples in an oven<\/span><\/a><\/div>
\"0202 Acid treatment for removal of carbonates and silicates<\/span><\/a><\/div>
\"0303 Repeated hot water acid treatment of the palynological samples<\/span><\/a><\/div>
\"0404 Palynological residue of the samples from the Landana, Bololo and Manzadi sections<\/span><\/a><\/div>
\"0505 Researchers Thomas Steeman (left) and Julie De Weirdt (right) at microscopy lab of the Research Unit<\/span><\/a><\/div>
\"0606 Stephen Louwye using the high magnification transmitted light microscopy<\/span><\/a><\/div>
\"0707 Digital photography of selected palynomorphs<\/span><\/a><\/div>
\"0808 Adnatosphaeridium multispinosum, level 29 of Landana<\/span><\/a><\/div>
\"0909 Acritarch, level 19 of Landana<\/span><\/a><\/div><\/div>
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