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X-WR-CALDESC:Events for Hertfordshire Geological Society
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DTSTART:20230101T000000
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DTSTART;TZID=UTC:20240607T190000
DTEND;TZID=UTC:20240609T130000
DTSTAMP:20260616T092918
CREATED:20240501T110128Z
LAST-MODIFIED:20240501T110155Z
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SUMMARY:Fossils and the history of life course
DESCRIPTION:Delivered by Dr Peter Sheldon for the University of Cambridge Institute of Continuing Education (ICE). \nCourse Overview\nSuitable for beginners as well as those with some previous knowledge. You will see how fossils get preserved\, sometimes in surprising detail\, and learn how to recognise some common fossil groups. Our look at major events in the history of life will include the latest discoveries and discuss the significance of mass extinctions\, such as when the dinosaurs died out. We will end by considering the influence of own species on the biosphere. There will be a chance to study many real fossils put out in the teaching room. \nThis course (with optional accommodation) includes 7 x 90-minute sessions delivered between Friday evening and Sunday lunchtime with plenty of opportunity for further conversations and networking during breaks and mealtimes. \nFor more details and how to book click here.
URL:https://www.hertsgeolsoc.org.uk/event/fossils-and-the-history-of-life-course/
LOCATION:University of Cambridge\, University of Cambridge\, Cambridge\, Cambridgeshire\, CB23 8AQ\, United Kingdom
CATEGORIES:Course
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DTSTART;TZID=UTC:20240613T194500
DTEND;TZID=UTC:20240613T213000
DTSTAMP:20260616T092918
CREATED:20231204T150923Z
LAST-MODIFIED:20240615T095202Z
UID:11129-1718307900-1718314200@www.hertsgeolsoc.org.uk
SUMMARY:Spying on open vent volcanoes from ground\, air and space
DESCRIPTION:Talk by Dr. Emma Nicholson (Liu)\, University College London \nAbstract: \n“Open vent” volcanoes are persistently active and maintain an unbroken connection between shallow magma reservoirs and the atmosphere. These volcanoes are true natural laboratories\, providing an unparalleled window into the subsurface physical and chemical processes that control volcanic activity. Open vent volcanoes sustain large volcanic gas emissions and are therefore the “chimney pipes” of our planet\, responsible for shaping the Earth’s atmosphere over geological time and impacting regional air and water quality on human timescales. Lava lakes are rare end-members in the expressions of open vent volcanism and can remain stable for years to decades. Yet\, recent events at Kilauea (Hawaii)\, Ambrym (Vanuatu) and Nyiragongo (DRC) have emphasized how rapidly these lakes can drain to feed voluminous flank eruptions\, posing substantial environmental and societal hazards. I will review some of the recent advances and outstanding questions in our understanding of the mechanisms and impacts of open vent volcanic activity. In particular\, I will focus on how remote sensing observations—from the ground\, air and space—combined with studies of erupted volcanic rocks are providing new perspectives on the long-term eruptive behaviour of open vent volcanoes. This talk will draw on new insights from a National Geographic expedition to one of the most remote active volcanoes on Earth – Mt Michael\, located in the South Sandwich Islands at the gateway to the Southern Ocean. \nView This Talk In The Members’ Section.
URL:https://www.hertsgeolsoc.org.uk/event/volcanoes-and-their-emissions-title-tbc/
LOCATION:over Zoom
CATEGORIES:Talks
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