Geologie der Schweiz 8: Alpine Metamorphose - Campolungo-Pass

Während der Alpenbildung wurden Gesteinspakete zum Teil in grosse Tiefen versenkt und dort metamorph umgewandelt. Diese alpine Metamorphose werden wir uns in diesem Video anschauen.
Bachelor in Erd- und Klimawissenschaften an der ETH Zürich: erdw.ethz.ch/s...
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[@lutzkrakow4531]

Komplexes Thema sehr verständlich erklärt. Super. Danke!

[@stevekukla]

Danke!

[@stevekukla]

It would be absolutely wonderful to add an excursion of nearby Alpe Sponda/PIzza Forno to discuss the Kyanit-Staurolit metamorphism. Also, what are the rock types in the layers of the great fold at Campolungo pass, and which layers are older/younger? And, how many phases of deformation took place to create the structure we can see today?

[@dynamischeerdeethzurich5806]

Hi, maybe we can cover Alpe Sponda another time - at the moment there are no videos planned on alpine geology... next we will produce a new video series on magmatism. but this will take some time;)
regarding your questions: the fold is mainly made of dolomite marble and tremolite/phlogopite-bearing dolomite marble. regarding the phases of deformation I cannot really help you. I am no expert on that. However, you can check the explanations to the geological map of Campolungo. You can find them here: shop.swisstopo.admin.ch/de/karten/geologische-karten/erlaeuterungen-zum-geologischen-atlas-der-schweiz-25000
just search for "1252" and then download the "1252 Ambrì-Piotta" file. It is available in German or Italian. Hope this helps!