This presentation provides geologic background prior to a field trip to the Arabia Mountain on August 4, 2024 The speaker will be Dr. Aislin N. Reynolds, President's Postdoctoral Fellow at Georgia Tech Abstract: The formation of surface parallel exfoliation fractures in rock domes produces some of the most celebrated and curious landforms on Earth. In … Continue reading "Special Online Presentation–Thermally Induced Fracturing: New Insights from Active Exfoliation at Arabia Mountain, Georgia"

Following is taken from abstract by Dr. Aislin N. Reynolds, Georgia Tech The formation of surface parallel exfoliation fractures in rock domes produces some of the most celebrated and curious landforms on Earth. More than a century of observations, including direct measurement of active exfoliation events, highlight the key roles of solar heating and subcritical … Continue reading "Field trip to Arabia Mountain"

AGS Executive Committee Meeting via zoom

Atlanta Geological Society Monthly Meeting. Speaker: Bill Witherspoon Topic: Along the Divide – What Shapes Our Mountains? Abstract: Trivia question -- What connects Okefenokee Swamp, the Georgia State Capitol, the trailhead at North Carolina’s Whiteside Mountain, and Terra Incognita Vineyard near Clarkesville?  Answer -- the Eastern Continental Divide (ECD). I created “Along the Divide” for … Continue reading "AGS Monthly Meeting"