
Ep. 623 VIA Seminar Day 1 Pt. 2 (EN/ITA)| #everybodyneedsabitofscienza
Everybody Needs A Bit Of Scienza
Episode Summary
Content Analysis Key Themes and Main Ideas 1. The classification and geological history of Italian volcanic soils. 2. Distinction between ancient and recent volcanic soil formations in Italy. 3. The characteristics and impact of different volcanic materials (pyroclastic vs. lava flow) on soil properties. 4. Specific Italian wine regions and their representative volcanic soil types (e.g., Etna, Soave, Alto Adige). 5. The influence of tectonic activity (African plate) on Italy's volcanic geology. Summary This podcast segment, part of the ""everybody needs a bit of Shenza"" series from the Vinitaly International Ambassador Certification course, delves into Italian volcanic soils, specifically focusing on ""wines of fire."" Professor Shenza, with translation by Francesco Marchio, explains the geological timeline of these soils, categorizing them by age. The oldest formations (500-250 million years old) are found in Alto Adige and Sardinia, while tertiary soils (65 million years old) exist in regions like Soave and Valpolicella. The most recent quaternary soils (2 million years old) are prominent in Southern Italy, including Etna, Vulture, and Castelli Romani, linked to the African plate's push. The discussion highlights two primary types of volcanic material: light pyroclastic soils (ash, pozzolana, tuff) that allow deep root penetration, and hard lava flow materials (basalt, porphyry) that solidify into column-shaped rocks. Soave is presented as an example of ancient underwater basaltic formation, while Etna represents more recent volcanic activity, illustrating the diverse and complex nature of Italy's volcanic terroirs. Takeaways * Italian volcanic soils are geologically diverse, categorized by age into ancient (e.g., Alto Adige, Sardinia), tertiary (e.g., Soave), and recent (e.g., Etna, Vulture) formations. * The formation of Italy's volcanic soils is directly influenced by tectonic plate movements, particularly the African plate. * Pyroclastic volcanic soils are light, composed of ash and rocks, facilitating deep root growth for grapevines. * Lava flow volcanic soils are hard, forming distinct column-shaped rocks like basalt and porphyry. * Different volcanic soil types (e.g., light pyroclastic vs. hard lava flow) have varying physical properties that impact viticulture. * Key Italian wine regions like Soave and Etna serve as prime examples for understanding the characteristics and origins of volcanic terroirs. Notable Quotes * ""The ten must known Italian soils."
About This Episode
Speaker 3 promotes a wine show called Federaline in Italy, while Speaker 4 gives a brief description of the wines they are participating in. They discuss the complexity of Italian volcanic rocks and the use of light and solar soil, as well as the process of volcanic explosion and the possibility of a volcanic explosion being important. Speaker 3 explains that every layer of hero class e material is a different eruption, and they provide information about the rocks and their characteristics, including the Terlano wines. They also mention the history of the volcanic eruptions and the formation of the Aetna plan. Speaker 1 reminds listeners to subscribe and rate the show, and mentions a promotion for Italian wine podcast dot com.
Transcript
Warning. Warning. This podcast contains information in Italian language. In the bad, this podcast contains information in Italian, Chinchin. Welcome to another installment of everybody needs a bit of Shenza. Class is in session. Follow the professor, in his advanced wine seminars during the Vineital International Ambassador Certification course flagship edition in verona. Seminers were on the ten must known Italian soils, I didn't even Foco, Evini Delmarie, and Evini Del Guacho. Just in fire, water, and ice. Very game of Thrones, but way more nerdy. And of course, starring our very own superhero, professor Shenza. Oh, And for all those English figures only in the house, Shenza's sidekick Francesco Marchio was there to back him up all the way, translating all the material on the spot, chinchin wine nerds, Before the show, here's the shout out to our new sponsor, Federaline. Federaline has been the largest wine show in Italy since nineteen twenty. They have generously supplied us with our new t shirt. Would you like one? Just two hundred fifty euros and it's all yours. Plus, We'll throw in our new book jumbo shrimp guide to international grape varieties in Italy. For more info, go to Italian wine podcast dot com and click donate or check out Italian wine podcast on Instagram. And then we start now with the wines of fire. They they equity phenomena in the delcentro should delete earlier related, Abiamo, I found it is very useful because it gives you the idea where to locate the different, type of volcanic soil in, in, in terms of the time they were formed. So the oldest one are those from Alto Adige and the north the dolomites, and the the Sardinia, we talk about Galura, the north of Sardinia. And these are, starting five hundred million years ago to to fifty. Then those are for a long time, there were no volcanic activities. The next one is in the tertiary starting sixty five, million years ago. And here, we are in Swave, Papulicella, and Lecenia. And the most very recent one are in the quaternary, started two million years ago, and, with accepted with the Cologani, They're all located in, South Italy, Etna Valtura, Taurasi, and also Castelli Romani in Latvia. Echo, Kedano is in a, shortly, with Adi. Rechenty. Quest edition of academic. And we're considering important, So no, the matrici complimentary reverse. Mortissima, Tufi, pozzolani, material inquiry in Ticeranone, the lepati burecanti. This slide shows the, basically, we, the the professor divided Italy in two, the old part, which is mainly on the north, part of Italy, except for Gallura. And then the most recent, volcanic area, which is in the south. The the holds in the soil were generated by, the hert core is an opening in the hert core. So basically the magma came up and created volcano to to to simplify. And instead, the recent one, they're, due to a fracture in the herd core generated by the push once again of the African plaque. So they are much more recent than what we already said before. And these are the Bizzuvio, Etran Lazzo, as we mentioned. You need to he he he he put in a image, which is, I, you know, I I like I can't like that. It's, it's that you need to imagine, like, a plug, basically dig into the soil. And what's came up from the soil is not always one thing. It's, a mix of different things. That's how, the soil are so complex, especially when we talk about volcanic soil. And then I think we need to talk about the, the basalti and pyroclasty, if you want to say something about that. She's on a point. To forty. So the le the lebita. So the volcano can be formed, basically, in two way. One is the lava flow that, it's very spectacular to see. And the other ones is a pyroclastic material. So pyroclastic material are, various material, ash, and, rocks that will, eject it from from the volcano. The it's very interesting the hero class e material. When you see a soil made of hero class e material, a geology will understand right away, and we will have some picture, of, later. Basically, there are compacted among the years, every eruption is a layer. So every single layer, you they can actually identify a different eruption. And it's yes. So this is the picture. These were all material that they start as a as a dust, and then they they, they compact, and they became each layer is a is a is an eruption. The pozzolana, it's a melt periodoclasts of various origin, and the tough, as at least seventy five percent made of ash. So this is, really coming for the pyroclastic explosion. One thing I want to add about this, it's the, what if this is important because the vine roots can go deeper in this type of soil because the soil is light and solar It's a light soil. So it's it's the the the the the the the material the the the in in the the the. Yeah. So we we talk, we just talk about light soil and pyroclastic soil. These are instead formed by, lava. So the the lava, basically, the way it works is, came up from, from from the volcano, and these are art materials. They look like a column. They call they call column shape. Soil. They are forming this way because basically the Arla material, the lava, they were forming a very quick way. On the contact with the sea, they solid solidify, and they they keep this kind of shape going contact with the seed. And they're forming column rocks. So once again, once you see these type of rocks, quartz, porphyry made in this way, you understand how it's formed right away. For geologists is, is is, it's easy to to understand that. These are are the soil. The other one we just saw were light. These are hard soil. Very close to where we are now. And the Terlano wines are made on this type of rocks. Quibi Zillow or CELtover KVicina, Aquini, Magali Pressante Verifiqueare in Loco, the different Cetera, the party Volcanic, the party sedimentari, italiano, type of of buchananic soil. The first one is Soave, which is the oldest, and is also is close by. So you can actually, you know, go there if you have time, or in future to, to check yourself, about what we are discussing today. And, the other one, it's Aetna, which is actually, more, very recent. And, it's probably a plan to do some, trip there in October. So the professor wanted to, to talk about that, to prepare us better eventually for for this trip. The we're not at tricolori. The Jushkura in the catacona, Elaparte Bazzalteca, Kristi Chicione, Chichona Formante, the Yeah. This is the the the soil map or soave. You see a four different colors with four four letters. We were just describing, so this information were was formed by deep underwater volcanic action. And the professor was a justice plane about that, talking about the first soil, the a soil, the basaltic soil. The this volcanic region and the way it was formed was from underwater. The professor was saying, but why exactly why why it was formed exactly the time, of the era on the thirty three million years ago? And the reason is because always this push, African push from the Helps. This creates, a very make the crust very, very thin. The crust getting very thin, give rooms to, the lava at volcano to be formed. But it was underwater because in the meantime, the Adriatic Sea enter in, Genurapadana in the Padana, plane, actually, he arrived antivarolo. And, so this was formed underwater. Listen to the Italian wine podcast wherever you get your podcasts. We're on SoundCloud, Apple Podcasts, HimalIFM, and more. Don't forget to subscribe and rate the show. If you enjoy listening, please consider donating through Italian wine podcast dot com. Any amount helps cover equipment, production, and publication costs. Until next time, Chimchi.
Episode Details
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