Senior Scientist at @GTK_FI. Interested in science and the sea, the beauty of sediments and sedimentary processes
Joined November 2015
- Tweets 643
- Following 123
- Followers 278
- Likes 1,897
120 Photos and videos
Joonas Virtasalo retweeted
11 Feb 2025
Meren pohjassa olevia rikkauksia on mahdollista hyödyntää, mutta siihen liittyy riskejä.
Valtamerten pohja on löysää saviliejua, jossa on paikoitellen kovia kuoria, sanoo @jvirtasa @GTK_FI
“Jos kovat pinnat poistetaan pohjasta, lajiston määrä vähenee.”
kauppapolitiikka.fi/merten-r…
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27 Jan 2025
Few days to apply for this #PhDposition in Precambrian mudstone metal enrichment.
Are you the person to solve what happened during the Shunga event? It was a global deposition event of vast amounts of organic-rich mud in the coastal ocean that followed the Great Oxidation Event
3 Dec 2024
📢PhD opportunity!
Do you want to study depositional environment and organic/hydrothermal metal enrichment in 2 Ga old sediments?
#PhDPosition is for 3 years and in the #MSCA Doctoral Network #FluxBEATS - fluxbeats.eu/
@GTK_FI @GeoHelsinkiUni
valtiolle.fi/en/jobs/researc…
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10 Jan 2025
Three more weeks to apply!
3 Dec 2024
📢PhD opportunity!
Do you want to study depositional environment and organic/hydrothermal metal enrichment in 2 Ga old sediments?
#PhDPosition is for 3 years and in the #MSCA Doctoral Network #FluxBEATS - fluxbeats.eu/
@GTK_FI @GeoHelsinkiUni
valtiolle.fi/en/jobs/researc…
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Joonas Virtasalo retweeted
4 Dec 2024
Eurooppa käyttää viidesosan maailman metalleista, mutta tuottaa vain 3 %. Esim. koboltti on listattu EU:n kriittiseksi mineraaliksi.
“Erään laskelman mukaan merten pohjassa on sata miljoonaa tonnia kobolttia tai ehkä ylikin”, kertoo @jvirtasa @GTK_FI.
kauppapolitiikka.fi/merten-r…
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The Finnish Research Infrastructure Committee (FIRI Committee) selected FINMARI to the National Research Infrastructure Roadmap 2025-2028. It is all about collaboration! @SYKEint @GTK_FI @FMI_Marine @Tvarminne @helsinkiuni @AboAkademi @UniTurku @LukeFinland
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3 Dec 2024
📢PhD opportunity!
Do you want to study depositional environment and organic/hydrothermal metal enrichment in 2 Ga old sediments?
#PhDPosition is for 3 years and in the #MSCA Doctoral Network #FluxBEATS - fluxbeats.eu/
@GTK_FI @GeoHelsinkiUni
valtiolle.fi/en/jobs/researc…
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22 Nov 2024
Just a few more days to apply!
4 Nov 2024
📢WE ARE HIRING!
We invite applications for a 3-year #postdoc position in multichannel seismic surveys. The research targets glacial geomorphic features in the northern Baltic Sea, aiming to reconstruct previous glacial dynamics.
@GTK_FI #marinegeology
valtiolle.fi/en/jobs/postdoc…
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21 Nov 2024
The new Finnish stratigraphic classification guidelines also consider the Baltic Sea sediments.
This peer-reviewed volume is a revision of stratigraphic procedures and nomenclature in Finland. It provides practical guidance on the appropriate use of geological unit terminology in the Fennoscandian Shield area.
tupa.gtk.fi/julkaisu/bulleti…
#Bedrock #Stratigraphy #Quaternary
ALT Julkaisun kansi, jossa valkoisella pohjalla GTK:n vesileima.
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Joonas Virtasalo retweeted
4 Nov 2024
📢WE ARE HIRING!
We invite applications for a 3-year #postdoc position in multichannel seismic surveys. The research targets glacial geomorphic features in the northern Baltic Sea, aiming to reconstruct previous glacial dynamics.
@GTK_FI #marinegeology
valtiolle.fi/en/jobs/postdoc…
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18 Oct 2024
I am delighted to coordinate #SecuCoast, funded by @Water4AllEU.
We study groundwater-seawater interactions in coastal aquifers and the ecosystem impacts of submarine groundwater discharge in the Baltic Sea, Mediterranean Sea and Norwegian Sea.
@GTK_FI #marinegeology @GTK_H2O
16 Oct 2024
📢 JTC 2023 on “Aquatic Ecosystem Services”: 23 projects are recommended for funding 👉go to the list swll.to/ZQi4Fx
This shortlist is pending final decisions by funders.
#FreshWater @eu_partnerships
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18 Oct 2024
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31 Jul 2024
Running the first ever multichannel seismic survey onboard #Geomari.
Collaboration with the Marine Technology Environmental Research group, Universität Bremen.
@GTK_FI #marinegeology
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25 Jul 2024
Syvänmeren rautamangaaninodulit tuottavat happea hydrolyysillä.
Huippumielenkiintoinen ja tärkeä löytö, mutta samalla hämmentävä osoitus siitä, miten valtamerten syvyyksissä on yhä löydettävissä eliökunnan olemassaolon kannalta keskeisiä ilmiöitä.
yle.fi/a/74-20100994
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Joonas Virtasalo retweeted
The final meeting of the Science Evaluation Panel (SEP) of the International Ocean Discovery Programm (#IODP) is held in Helsinki today & tomorrow (June 18-19 2024) 🌊 Hosted by @beier_christoph @geo_hel 🌊the meeting is supported by @ECORD_IODP instagram.com/p/C8U3h0Rsjv6/…
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Merien tutkimuksen strategia on valmis🌊 GTK on ollut mukana työssä vahvan kotimaisen merentutkimuksen eteen. Korkeatasoista meritietoa tarvitaan terveen meriympäristön ja talouden yhteensovittamiseen.
@valtioneuvosto
#Tutkimus #Merigeologia
valtioneuvosto.fi/-/merien-t…
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24 May 2024
Field season kicks off in perfect weather! 🌞
@SuomenAkatemia #Phytotrans project
#Geomari @GTK_FI #marinegeology
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22 May 2024
Magnetotactic bacteria in the Baltic Sea #ferromanganese concretions produce bullet-shaped magnetosomes. The magnetosomes are spherical or cubic in the oceanic ferromanganese nodules.
@SuomenAkatemia #Fermaid project @JWasiljeff
@GTK_FI #marinegeology
agupubs.onlinelibrary.wiley.…
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