MAGMA LAVA mirno izljevanje nema mnogo plinova i pare burno V ERUPCIJA mnogo plinova i pare osim lave izbacuju se plinovi pepeo dim vulkanske bombe ID: 646189
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Slide1
VULKANISlide2
ljudi koji ih proučavaju su VULKANOLOZI
MAGMA
→ LAVA mirno izljevanje – nema mnogo plinova i pareSlide3
burno (V. ERUPCIJA) – mnogo plinova i pare
→
osim lave izbacuju se: - plinovi, pepeo, dim - vulkanske bombe - lapili (komadići lave)
-
tuf (stvrdnut pepeo)Slide4
Kilimandžaro Slide5
dijelovi vulkana: - ognjište magme
- dimnjak (grotlo) - krater
→
urušavanjem nastaje KALDERASlide6
VRSTE VULKANA
prema načinu izljevanje lave:
a) islandski tipb) havajski tip mirno
c) kalderski tip
→ burnoSlide7
prema obliku:
a) štitasti
niski, ali veliki pov.npr. Havajski vulkaniSlide8
b) cinderski
mali
i niskiSlide9
npr. Paricutin, Mexico, 1943. god., 50 m – izgrađen od materijala koji su izbacili plinovi, bez izlijevanja lave
http://academic.brooklyn.cuny.edu/geology/leveson/core/topics/
http://www.mtuzcu.com/msnspace/images/wonders/05_ParicutinVolcano.jpgSlide10
c) stratovulkani
veliki
i visoki, najopasnijinpr. Etna, Vezuv, Stromboli, Fuji, Mt. St. Helens, Mt. PeleeSlide11
Mt. St. HELENS, Washington
blogs.britannica.com/.../2007/05/image-2.jpg
https:/.../wwwimg/img/tours/2427-2.jpg
www.osti.gov/sciencelab/images/MSH05_st_helen...
http://upload.moldova.org/social/calamitati/st_helens.jpg
www.eatonvillenews.net/helen.html
Slide12
Mt. PELEE, Martinique
preuzeto iz: Plummer, Ch.C., McGeary, D. (1993): Physical Geology
http://volcano.und.edu/vwdocs/EOSslides/slides-txt/slide6.html
www.ernstmaissen.ch/weltreise/weltreise-12.htm
Slide13
FUJIYAMA
http://www.redesdelsur.com/sanjuan/rayo/
hablajapones.org/galeria/displayimage.php?alb...
http://www.peakware.com/photos/fujiyama.jpgSlide14
Vezuv
www.top7.hu/site.php?data%5Baction%5D=showpag...
www.msxlabs.org/.../54753-yanar-daglar.html
digilander.libero.it/bianco14/04.html Slide15
prema aktivnosti:
a) aktivni
b) ugaslinajviše vulkana – PACIFIČKI VATRENI PRSTEN
-
država – IndonezijaSlide16
POSLJEDICE
LAHARI
– bujice blatavrlo plodno tlo
mineralni
i termalni izvoriGEJZIRISlide17
Plava laguna (Island)Slide18
Eyjafjallasjokulla
(2010.)Slide19
FUMAROLE
– izvori plinova i pare
SOLFATARE – izvori sumporovodika
MOFETE
– izvori CO2