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#hyaloclastite medias

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#CapJaune au #Vincendo!
Curiosité géologique 🌋
C'est tout mou!
Il s'agit de #hyaloclastite, une roche volcanique poreuse et tendre issue du refroidissement brutal d'une lave fluide dans une eau peu profonde.
La petite marche + escalade pour y arriver est top.
#gotoreunionisland #igerslareunion #974 #reunionparadis #reunionisland
Grímsvötn, Iceland (from the series 'Grímsvötn - Gigjukvisl') #Grímsvötn #iceland #volcano #iavcei #tectonic #glacier #icevolcano #hyaloclastite #jokulhaup Grímsvötn is Iceland's most frequently eruptive volcano. It is a sub-glacial volcano at the heart of the Vatnajokull Glacier. Eruptions of Grímsvötn can cause enormous glacial outburst floods known as Jokulhaup.
Magma Monday: Hyaloclastite. This rock is composed of angular fragments of basaltic glass (dark material), that may be altered to palagonite--hydrated basaltic glass. The white material in-between the fragments is mostly zeolite, a low temperature alteration mineral. Hyaloclastites form when basaltic lava enters water or ice and shatters. This sample is from Iceland, where basalt was erupted underneath a glacier.
Magma Monday: Hyaloclastite. This rock is composed of angular fragments of basaltic glass (dark material), that may be altered to palagonite--hydrated basaltic glass. The white material in-between the fragments is mostly zeolite, a low temperature alteration mineral. Hyaloclastites form when basaltic lava enters water or ice and shatters. This sample is from Iceland, where basalt was erupted underneath a glacier.
Every time I visit Oregon I have to see these beautiful rocks. Thank you @alliebeans7 for introducing me to this glorious outcrop of Hyaloclastite, and thanks @iron.fawn for always adventuring with me 💕🌋 #geology #Oregon #hyaloclastite #oregoncoast #geoswag
Every time I visit Oregon I have to see these beautiful rocks. Thank you @alliebeans7 for introducing me to this glorious outcrop of Hyaloclastite, and thanks @iron.fawn for always adventuring with me 💕🌋 #geology  #Oregon  #hyaloclastite  #oregoncoast  #geoswag 
What a great crew. I was lucky enough to join these three Geochemists on a field expedition to the volcanoes: Brandur, Fontur, and Saxi to collect  plagioclase xenocrysts and basaltic glass. They posed for me in front of this mountain of hyaloclastite, which formed in a sub-glacial eruption. #geology #Iceland #volcanology #hyaloclastite #geoswag
What a great crew. I was lucky enough to join these three Geochemists on a field expedition to the volcanoes: Brandur, Fontur, and Saxi to collect plagioclase xenocrysts and basaltic glass. They posed for me in front of this mountain of hyaloclastite, which formed in a sub-glacial eruption. #geology  #Iceland  #volcanology  #hyaloclastite  #geoswag 
1)Basalto a pillow in breccia ialoclastitica. La roccia ha subito successivamente un processo di palagonitizzazione sui bordi del pillow.
2) contatto tra i pillow e la ialoclastite. Orologio e prof. Donato come scala.
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Ovviamente niente filtri 😂
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Link sotto per info. 
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http://www.alexstrekeisen.it/vulc/ialoclastite.php
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http://www.alexstrekeisen.it/vulc/palagonite.php
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#vulcanologia #geologia #vulcanology #geology #basalti #pillowbasalt #basalt #hyaloclastite #rock #lava #sicily #acicastello #etna
1)Basalto a pillow in breccia ialoclastitica. La roccia ha subito successivamente un processo di palagonitizzazione sui bordi del pillow. 2) contatto tra i pillow e la ialoclastite. Orologio e prof. Donato come scala. _ Ovviamente niente filtri 😂 _ Link sotto per info. _ http://www.alexstrekeisen.it/vulc/ialoclastite.php _ http://www.alexstrekeisen.it/vulc/palagonite.php _ _ #vulcanologia  #geologia  #vulcanology  #geology  #basalti  #pillowbasalt  #basalt  #hyaloclastite  #rock  #lava  #sicily  #acicastello  #etna 
Grímsvötn, Iceland (from the series 'Grímsvötn - Gigjukvisl') #Grímsvötn #iceland #volcano #iavcei #tectonic #glacier #icevolcano #hyaloclastite #jokulhaup Grímsvötn is Iceland's most frequently eruptive volcano. It is a sub-glacial volcano at the heart of the Vatnajokull Glacier. Eruptions of Grímsvötn can cause enormous glacial outburst floods known as Jokulhaup.
Cap Jaune - Vincendo par le sentier Terre Rouge

Quand tu pensais ne voir que de la roche noire basaltique... Cette couleur jaune ocre naturelle est créée par la rencontre du magma et la lave volcanique (mélange de hyaloclastite et palagonite)

#incroyable #decouvertes #surprise #capjaune #terrerouge #lanatureestbienfaite #explorelareunion #reunionisland🌴 #hyaloclastite #palagonite #ilevolcanique #volcanique #ileintense #nofilter #balades #igerslareunion
1)Basalto a pillow in breccia ialoclastitica. La roccia ha subito successivamente un processo di palagonitizzazione sui bordi del pillow.
2) contatto tra i pillow e la ialoclastite. Orologio e prof. Donato come scala.
_
Ovviamente niente filtri 😂
_
Link sotto per info. 
_
http://www.alexstrekeisen.it/vulc/ialoclastite.php
_
http://www.alexstrekeisen.it/vulc/palagonite.php
_
_
#vulcanologia #geologia #vulcanology #geology #basalti #pillowbasalt #basalt #hyaloclastite #rock #lava #sicily #acicastello #etna
1)Basalto a pillow in breccia ialoclastitica. La roccia ha subito successivamente un processo di palagonitizzazione sui bordi del pillow. 2) contatto tra i pillow e la ialoclastite. Orologio e prof. Donato come scala. _ Ovviamente niente filtri 😂 _ Link sotto per info. _ http://www.alexstrekeisen.it/vulc/ialoclastite.php _ http://www.alexstrekeisen.it/vulc/palagonite.php _ _ #vulcanologia  #geologia  #vulcanology  #geology  #basalti  #pillowbasalt  #basalt  #hyaloclastite  #rock  #lava  #sicily  #acicastello  #etna 
What a great crew. I was lucky enough to join these three Geochemists on a field expedition to the volcanoes: Brandur, Fontur, and Saxi to collect  plagioclase xenocrysts and basaltic glass. They posed for me in front of this mountain of hyaloclastite, which formed in a sub-glacial eruption. #geology #Iceland #volcanology #hyaloclastite #geoswag
What a great crew. I was lucky enough to join these three Geochemists on a field expedition to the volcanoes: Brandur, Fontur, and Saxi to collect plagioclase xenocrysts and basaltic glass. They posed for me in front of this mountain of hyaloclastite, which formed in a sub-glacial eruption. #geology  #Iceland  #volcanology  #hyaloclastite  #geoswag 
Curiosité géologique le #capjaune situé à vincendo tient l'origine de sa surprenante teinte ocre à la composition de sa roche magmatique #hyaloclastite
Curiosité géologique le #capjaune  situé à vincendo tient l'origine de sa surprenante teinte ocre à la composition de sa roche magmatique #hyaloclastite 
#CapJaune au #Vincendo!
Curiosité géologique 🌋
C'est tout mou!
Il s'agit de #hyaloclastite, une roche volcanique poreuse et tendre issue du refroidissement brutal d'une lave fluide dans une eau peu profonde.
La petite marche + escalade pour y arriver est top.
#gotoreunionisland #igerslareunion #974 #reunionparadis #reunionisland
Every time I visit Oregon I have to see these beautiful rocks. Thank you @alliebeans7 for introducing me to this glorious outcrop of Hyaloclastite, and thanks @iron.fawn for always adventuring with me 💕🌋 #geology #Oregon #hyaloclastite #oregoncoast #geoswag
Every time I visit Oregon I have to see these beautiful rocks. Thank you @alliebeans7 for introducing me to this glorious outcrop of Hyaloclastite, and thanks @iron.fawn for always adventuring with me 💕🌋 #geology  #Oregon  #hyaloclastite  #oregoncoast  #geoswag 
Magma Monday: Hyaloclastite. This rock is composed of angular fragments of basaltic glass (dark material), that may be altered to palagonite--hydrated basaltic glass. The white material in-between the fragments is mostly zeolite, a low temperature alteration mineral. Hyaloclastites form when basaltic lava enters water or ice and shatters. This sample is from Iceland, where basalt was erupted underneath a glacier.
Magma Monday: Hyaloclastite. This rock is composed of angular fragments of basaltic glass (dark material), that may be altered to palagonite--hydrated basaltic glass. The white material in-between the fragments is mostly zeolite, a low temperature alteration mineral. Hyaloclastites form when basaltic lava enters water or ice and shatters. This sample is from Iceland, where basalt was erupted underneath a glacier.
Admiring the hyaloclastite after scrambling up some scree
Admiring the hyaloclastite after scrambling up some scree
Hyaloclastite arch over the river at Fagrifoss
Hyaloclastite arch over the river at Fagrifoss
Didn't come out great in this photo but the riverbed was red, orange, green, blue from the bank inwards (Fjaðrárgljúfur)
Didn't come out great in this photo but the riverbed was red, orange, green, blue from the bank inwards (Fjaðrárgljúfur)
Waterfall at Fjaðrárgljúfur
Waterfall at Fjaðrárgljúfur
Panorama of Fjaðrárgljúfur (the Canyon of the Feather)
Panorama of Fjaðrárgljúfur (the Canyon of the Feather)
Fjaðrárgljúfur - the Canyon of the Feather
Fjaðrárgljúfur - the Canyon of the Feather
The Icelandic girls contemplate the hyaloclastite (Fjaðrárgljúfur)
The Icelandic girls contemplate the hyaloclastite (Fjaðrárgljúfur)
Hyaloclastite cemented with zeolites. When lava erupts under water, a lot of glass forms because of the rapid chilling of the lava. Much of this glass may break off and accumulate in depressions or between the lavas. The dark material here is the (basaltic) glass and the white material is the mineral zeolite, which precipitated between the glass fragments. The term "hyaloclastite" means "glassy fragmented rock". (The Icelandic coin is about the size of a dime.)
Hyaloclastite cemented with zeolites. When lava erupts under water, a lot of glass forms because of the rapid chilling of the lava. Much of this glass may break off and accumulate in depressions or between the lavas. The dark material here is the (basaltic) glass and the white material is the mineral zeolite, which precipitated between the glass fragments. The term "hyaloclastite" means "glassy fragmented rock". (The Icelandic coin is about the size of a dime.)
Subglacial pillow lava. Pillow lava is a type of lava that forms when usually basaltic lava erupts underwater. The name derives from the rounded pillow shapes taken by the lava. In Iceland, one often has volcanoes capped by glaciers. When the volcano emits lava, the bottom of the glacier may melt and the lava is emplaced underneath the glacier as pillow lava.
Subglacial pillow lava. Pillow lava is a type of lava that forms when usually basaltic lava erupts underwater. The name derives from the rounded pillow shapes taken by the lava. In Iceland, one often has volcanoes capped by glaciers. When the volcano emits lava, the bottom of the glacier may melt and the lava is emplaced underneath the glacier as pillow lava.
This isolated mound of volcanic material is called a moberg. It is a mass of fragmental glassy material and pillow lava that erupted under a glacier. During the last Ice Age, this whole valley was filled with ice. Southern Iceland. #geology #geoporn #geologyrocks #ilovegeology #iceland #moberg #volcano #volcanology #pillowlava #hyaloclastite #landscape #landscapes #clouds #green #mountain #mountains
There's nothing quite like móberg #Helgafell #móberg #hyaloclastite