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PRODID:-//Hertfordshire Geological Society - ECPv6.15.20//NONSGML v1.0//EN
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X-ORIGINAL-URL:https://www.hertsgeolsoc.org.uk
X-WR-CALDESC:Events for Hertfordshire Geological Society
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DTSTART:20250101T000000
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BEGIN:VEVENT
DTSTART;TZID=UTC:20260212T193000
DTEND;TZID=UTC:20260212T213000
DTSTAMP:20260422T222842
CREATED:20251117T172940Z
LAST-MODIFIED:20260213T141351Z
UID:16273-1770924600-1770931800@www.hertsgeolsoc.org.uk
SUMMARY:The end-Triassic mass extinction and its aftermath
DESCRIPTION:talk given by Professor Paul Wignall\, School of Earth and Environment\, University of Leeds  \nThe end-Triassic marks one of the big 5 mass extinctions of the fossil record and is also probably one of the least understand. It has many things in common with the preceding mass extinction at the end of the Permian. Both are associated with the eruptions of vast flows of basalt lava and both occurred whilst the world’s continents were united into a supercontinent. The talk will focus on some of the latest discoveries and ideas regarding both the mass extinction event and its aftermath. Unlike some other crises\, the recovery from the crisis was remarkably quick in a geological sense and it of course paved the way for dinosaur to dominate the planet for 135 million years. \nView This Talk In The Members’ Section.
URL:https://www.hertsgeolsoc.org.uk/event/the-end-triassic-mass-extinction-and-its-aftermath/
LOCATION:over Zoom
CATEGORIES:Talks
ATTACH;FMTTYPE=image/jpeg:https://www.hertsgeolsoc.org.uk/wp-content/uploads/2026/01/PW-2nd-phase-of-extinction.jpeg
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BEGIN:VEVENT
DTSTART;TZID=UTC:20260409T194500
DTEND;TZID=UTC:20260409T214500
DTSTAMP:20260422T222842
CREATED:20251117T173607Z
LAST-MODIFIED:20260330T113717Z
UID:16280-1775763900-1775771100@www.hertsgeolsoc.org.uk
SUMMARY:49th Percy Evans Lecture: The Geology of the Lower Chess Valley & where does all that water go?
DESCRIPTION:given by Dr. Haydon Bailey\, HGS Chairman  \nnow postponed to a later date. \n 
URL:https://www.hertsgeolsoc.org.uk/event/49th-percy-evans-lecture-the-geology-of-the-lower-chess-valley-where-does-all-that-water-go/
LOCATION:Redbourne Parish Centre\, The Park\, Redbourne\, Hertfordshire\, AL3 7LR\, United Kingdom
CATEGORIES:Talks
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=UTC:20260514T194500
DTEND;TZID=UTC:20260514T214500
DTSTAMP:20260422T222842
CREATED:20251117T173747Z
LAST-MODIFIED:20251118T204823Z
UID:16282-1778787900-1778795100@www.hertsgeolsoc.org.uk
SUMMARY:Geology of Stonehenge and the bluestone controversy
DESCRIPTION:talk given by Prof. Peter Worsley\, Emeritus Professor of Quaternary Geology\, University of Reading
URL:https://www.hertsgeolsoc.org.uk/event/geology-of-stonehenge-and-the-bluestone-controversy/
LOCATION:Redbourne Parish Centre\, The Park\, Redbourne\, Hertfordshire\, AL3 7LR\, United Kingdom
CATEGORIES:Talks
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=UTC:20260611T194500
DTEND;TZID=UTC:20260611T214500
DTSTAMP:20260422T222842
CREATED:20251117T173937Z
LAST-MODIFIED:20251118T204901Z
UID:16284-1781207100-1781214300@www.hertsgeolsoc.org.uk
SUMMARY:The Chalk Sea Ecosystem Project
DESCRIPTION:talk given by Dr James Witts\, Senior Post Doctoral Researcher\, Natural History Museum London
URL:https://www.hertsgeolsoc.org.uk/event/the-chalk-sea-ecosystem-project/
LOCATION:Redbourne Parish Centre\, The Park\, Redbourne\, Hertfordshire\, AL3 7LR\, United Kingdom
CATEGORIES:Talks
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=UTC:20260709T214500
DTEND;TZID=UTC:20260709T214500
DTSTAMP:20260422T222842
CREATED:20251117T174115Z
LAST-MODIFIED:20251118T204930Z
UID:16286-1783633500-1783633500@www.hertsgeolsoc.org.uk
SUMMARY:Researching the Puddingstone Book
DESCRIPTION:talk given by Gerald Lucy\, Essex Rock & Mineral Society & Mike Howgate\, AGS & HGS
URL:https://www.hertsgeolsoc.org.uk/event/researching-the-puddingstone-book/
LOCATION:Redbourne Parish Centre\, The Park\, Redbourne\, Hertfordshire\, AL3 7LR\, United Kingdom
CATEGORIES:Talks
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=UTC:20260910T214500
DTEND;TZID=UTC:20260910T214500
DTSTAMP:20260422T222842
CREATED:20251117T174244Z
LAST-MODIFIED:20251118T205032Z
UID:16288-1789076700-1789076700@www.hertsgeolsoc.org.uk
SUMMARY:The Deep Geology beneath southern England (TBC)
DESCRIPTION:talk given by Dr. Chris Pullen\, Director\, CP Exploration
URL:https://www.hertsgeolsoc.org.uk/event/the-deep-geology-beneath-southern-england-tbc/
LOCATION:Redbourne Parish Centre\, The Park\, Redbourne\, Hertfordshire\, AL3 7LR\, United Kingdom
CATEGORIES:Talks
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=UTC:20261008T194500
DTEND;TZID=UTC:20261008T214500
DTSTAMP:20260422T222842
CREATED:20251117T174437Z
LAST-MODIFIED:20251118T205106Z
UID:16290-1791488700-1791495900@www.hertsgeolsoc.org.uk
SUMMARY:Book Presentation - The Meteorites
DESCRIPTION:given by Helen Gordon\, Hertfordshire University & Author
URL:https://www.hertsgeolsoc.org.uk/event/book-presentation-the-meteorites/
LOCATION:Redbourne Parish Centre\, The Park\, Redbourne\, Hertfordshire\, AL3 7LR\, United Kingdom
CATEGORIES:Talks
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=UTC:20261112T194500
DTEND;TZID=UTC:20261112T214500
DTSTAMP:20260422T222842
CREATED:20251117T211640Z
LAST-MODIFIED:20251117T211640Z
UID:16296-1794512700-1794519900@www.hertsgeolsoc.org.uk
SUMMARY:Alpine peaks and salt intrusions - Geological windows into Earth's mantle
DESCRIPTION:given by Dr. Jonathan Turner\, Geologists’ Association Field Guide Editor
URL:https://www.hertsgeolsoc.org.uk/event/alpine-peaks-and-salt-intrusions-geological-windows-into-earths-mantle/
LOCATION:over Zoom
CATEGORIES:Talks
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=UTC:20261210T194500
DTEND;TZID=UTC:20261210T214500
DTSTAMP:20260422T222842
CREATED:20251117T211803Z
LAST-MODIFIED:20251124T110521Z
UID:16298-1796931900-1796939100@www.hertsgeolsoc.org.uk
SUMMARY:The history of geological thought and exploration of the geology of the Himalaya
DESCRIPTION:given by Dr. Danny Clarke-Lowes\, Director\, Nubian Consulting
URL:https://www.hertsgeolsoc.org.uk/event/the-history-of-geological-thought-and-exploration-of-the-geology-of-the-himalaya/
LOCATION:over Zoom
CATEGORIES:Talks
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