This week we start an accidental two-part show on catastrophic sedimentation, John’s drone experiments, and a revisit of some stories from the past. Don’t miss this not so short summer short!

Catastrophism

Wikipedia article on catastrophism
Originated with Bishop J. Usher
Mountains, etc. were formed by unknowable, quick cataclysms…

Uniformitarianism

Wikipedia article on uniformitarianism
James Hutton - 1795 Theory of the Earth
A Short History of Nearly Everything - Bill Bryson

Turbidites

Lab experiments
Bouma Sequences
Density-flow, not tractional or frictional
Wikipedia article with nice pictures

Landslides et al.

Can be triggered by earthquakes, volcanoes, rain, etc.
Lahars are also density flows
Wikipedia article on landslides
Video of huge lahar in Semeru

Fun Paper Friday

This week we get ready for one of our future topics by talking about bolides and airblasts. Also good timing with the perseid meteor shower!

Kring, D. A. (1997). Air blast produced by the Meteor Crater impact event and a reconstruction of the affected environment. Meteoritics & Planetary Science, 32(4), 517–530.

Contact us:

Show - www.dontpanicgeocast.com - @dontpanicgeo - show@dontpanicgeocast.com

John Leeman - www.johnrleeman.com - @geo_leeman

Shannon Dulin - @ShannonDulin

Episode 30 - "YouTube is rife with turbidite videos"