{"id":131758,"date":"2022-03-14T14:48:11","date_gmt":"2022-03-14T13:48:11","guid":{"rendered":"https:\/\/uniavisen.dk\/en\/event\/malte-mau-defends-his-thesis-at-geology-section-ign\/"},"modified":"2022-03-14T14:48:11","modified_gmt":"2022-03-14T13:48:11","slug":"malte-mau-defends-his-thesis-at-geology-section-ign","status":"publish","type":"event","link":"https:\/\/uniavisen.dk\/en\/event\/malte-mau-defends-his-thesis-at-geology-section-ign\/","title":{"rendered":"Malte Mau defends his thesis at Geology Section, IGN"},"content":{"rendered":"

Malte Mau<\/strong> defends his thesis,<\/p>\n

Sedimentology and stratigraphy of Late Triassic Lake deposits in central East Greenland<\/strong><\/p>\n

Zoom link<\/a><\/p>\n

Supervisors:<\/strong>
\nProfessor Lars B. Clemmensen, IGN
\nProfessor MSO Christian J. Bjerrum, IGN<\/p>\n

Assessment Committee:<\/strong>
\nProfessor Linda Hinnov, George Mason University – USA
\nAssistant Professor Micha Ruhl, Trinity College Dublin – Ireland
\nAssociate Professor Kresten Anderskouv (chair), IGN<\/p>\n

Summary:<\/strong>
\nThe Late Triassic is characterized by major geologic and evolutionary events in Earth\u2019s history. During this time, the super continent Pangaea began to break up while numerous animal groups, including dinosaurs, first appeared. The chronology of these unique geologic and biotic events are critical to understand this period in Earth\u2019s history.
\nOne of the key sections for understanding the paleoclimatic and biological evolution of the Late Triassic is the lake sediments of the Fleming Fjord Group in central East Greenland. Paleontological excavations show that these sediments contain numerous vertebrate fossils such as dinosaurs and mammal ancestors. A detailed and reliable determination of the relative age of the sediments in the Fleming Fjord Group is essential to place the important vertebrate fossils into global models on biological evolution in the Late Triassic. Moreover, the lake environment was very sensible to climate changes resulting in a million-year-long climate record hidden in the lake sediments.
\nThis PhD study aims to strengthen the stratigraphic, temporal, paleoclimatic, and paleoenvironmental interpretations of Late Triassic lake sediments with vertebrate fossils in the Fleming Fjord Group. The climate record hidden in the lake sediments is especially controlled by the gravitational interactions between the Earth and other planets in the Solar System. This climate response is used as a geologic clock, which combined with age determination from magnetic properties of rocks and radioactive isotopes precisely dates the vertebrate fossils. Furthermore, the astronomically controlled climate changes imprinted in the lake sediments reveal how the planets behaved in the past, which is important for calculations of ancient planetary motions. The climate is also investigated by looking at fossilized wave ripples on ancient lakebeds. These especially reveal the wind regime in the pre-Atlantic rift basin during Late Triassic times.
\nCollectively, the results of this PhD study contribute with a refined geologic framework for the Late Triassic Fleming Fjord Group in central East Greenland and especially shed new light on the paleoclimatic conditions that prevailed during 11 million years of lake deposition at the northernmost part of the supercontinent Pangea.<\/p>\n

A digital version of the PhD thesis can be obtained from the PhD secretary Mikala Heckscher at\u00a0<\/em>mikala@ign.ku.dk<\/p>\n","protected":false},"excerpt":{"rendered":"

Malte Mau defends his thesis, Sedimentology and stratigraphy of Late Triassic Lake deposits in central East Greenland Zoom link Supervisors: Professor Lars B. Clemmensen, IGN Professor MSO Christian J. Bjerrum, IGN Assessment Committee: Professor Linda Hinnov, George Mason University – USA Assistant Professor Micha Ruhl, Trinity College Dublin – Ireland Associate Professor Kresten Anderskouv (chair), […]<\/p>\n","protected":false},"author":0,"featured_media":131759,"template":"","class_list":["post-131758","event","type-event","status-publish","has-post-thumbnail","hentry","event_category-phd-thesis-defense"],"acf":[],"aioseo_notices":[],"yoast_head":"\nMalte Mau defends his thesis at Geology Section, IGN<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/uniavisen.dk\/en\/event\/malte-mau-defends-his-thesis-at-geology-section-ign\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Malte Mau defends his thesis at Geology Section, IGN\" \/>\n<meta property=\"og:description\" content=\"Malte Mau defends his thesis, Sedimentology and stratigraphy of Late Triassic Lake deposits in central East Greenland Zoom link Supervisors: Professor Lars B. 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