Ups and downs in the French Alps - a tectonic geo-hike in Champsaur

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Part of The Shear Zone Channel. Join Rob on a hike in the Ecrins National Park, investigating the geology and tectonic evolution revealed in this stunning landscape. There are some great rock-sequences, including sandstones deposited under deep water just 35 million years ago that are now folded and uplifted to be over two kilometres high in the Alps. But these mountains didn't just go up once.....
#tectonics #geology #alps #ecrins #tectonique #geologie

Опубликовано:

22 июн 2024

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Комментарии : 16

@juanfelipecorrea2816 29 дней назад

Magnificent! Thank you Professor Robert.

@robbutler2095 29 дней назад

Thanks - it's a great place to visit!

@parksto 29 дней назад

Thank you!

@neallandsberg2678 28 дней назад

Hopefully you read some of your comments! I am a retired geologist and my trips abroad have been limited in recent years. I deeply appreciate the preparation and execution of your videos. They are at once beautiful and informative. I am able to increase my understanding of structural geology which I have always loved since working in the Caledonides.

@robbutler2095 28 дней назад

Thanks for the comment and your reflections - glad you enjoy these short films....

@KhurshidsChannel 28 дней назад

Beautiful video. The views are awesome. Thanks for sharing. subd & 👍44

@gentlegeorges6849 28 дней назад

Thank you for another well-made video. Especially fun to see this a few days before the Tour de France. I really appreciate your pace and, your balancing of science with your artistry in bringing the atmosphere through your site visits. Thrilling!

@robbutler2095 28 дней назад

Thanks! - Yes the Tour passes close by - taking in the Col du Noyer - seen in the first shot in the film...

@ervinslens 28 дней назад

What a beautiful mountain range, this looks spectacular my friend!

@robbutler2095 28 дней назад

Certainly - the Alps have lots of wonderful places!

@AvanaVana 29 дней назад

Great video, as usual!

@robbutler2095 29 дней назад

Thanks - glad you enjoyed it!

@thegoonshow 29 дней назад

Great video as always. When the mountain building started I was wondering how much erosion had to take place before the rocks became visible?

@robbutler2095 29 дней назад

Good question... Before Alpine mountain building there could have been as much as 6-8 km of sedimentary rocks deposited across the basement that was to become the Ecrins... almost all of which was stripped off before the deposition of the Tertiary rocks seen in the film..... And then the Tertiary rocks were buried sufficiently to have experienced rather low grade metamorphism (perhaps 5 km) then all uplifted as the basement of the Ecrins thickened up further... More on both of these aspects in future films!