volcanoes mountain composed of extrusive igneous rocks during eruption: gases & lava –gases...
TRANSCRIPT
![Page 1: Volcanoes Mountain composed of EXTRUSIVE IGNEOUS ROCKS DURING ERUPTION: GASES & LAVA –GASES & LAVA escape onto EARTH ’ S SURFACE or ATMOSPHERE -Exit through](https://reader035.vdocuments.site/reader035/viewer/2022062720/56649efa5503460f94c0b910/html5/thumbnails/1.jpg)
Volcanoes• Mountain composed of EXTRUSIVE IGNEOUS ROCKSEXTRUSIVE IGNEOUS ROCKS
DURING ERUPTION: –GASES & LAVAGASES & LAVA escape onto EARTH’S SURFACE or ATMOSPHERE -Exit through opening or vent of a volcano
VOLCANO WORLD
![Page 2: Volcanoes Mountain composed of EXTRUSIVE IGNEOUS ROCKS DURING ERUPTION: GASES & LAVA –GASES & LAVA escape onto EARTH ’ S SURFACE or ATMOSPHERE -Exit through](https://reader035.vdocuments.site/reader035/viewer/2022062720/56649efa5503460f94c0b910/html5/thumbnails/2.jpg)
Olympus MonsOlympus Mons
![Page 3: Volcanoes Mountain composed of EXTRUSIVE IGNEOUS ROCKS DURING ERUPTION: GASES & LAVA –GASES & LAVA escape onto EARTH ’ S SURFACE or ATMOSPHERE -Exit through](https://reader035.vdocuments.site/reader035/viewer/2022062720/56649efa5503460f94c0b910/html5/thumbnails/3.jpg)
Rock Features FormedINTRUSIONSINTRUSIONS• Intrusive Igneous rocks from MAGMA• Stays within the LITHOSPHERE
IntrusionIntrusion
![Page 4: Volcanoes Mountain composed of EXTRUSIVE IGNEOUS ROCKS DURING ERUPTION: GASES & LAVA –GASES & LAVA escape onto EARTH ’ S SURFACE or ATMOSPHERE -Exit through](https://reader035.vdocuments.site/reader035/viewer/2022062720/56649efa5503460f94c0b910/html5/thumbnails/4.jpg)
EXTRUSIONSEXTRUSIONS• Extrusive Igneous rock from LAVA• LAVA FLOWS occur
TEMPERATURES: 1000oC
![Page 5: Volcanoes Mountain composed of EXTRUSIVE IGNEOUS ROCKS DURING ERUPTION: GASES & LAVA –GASES & LAVA escape onto EARTH ’ S SURFACE or ATMOSPHERE -Exit through](https://reader035.vdocuments.site/reader035/viewer/2022062720/56649efa5503460f94c0b910/html5/thumbnails/5.jpg)
3 Main types of Volcanoes
CINDER-CONECINDER-CONE • STEEP, SMALL, Composed of
Volcanic ASH
COMPOSITE-CONECOMPOSITE-CONE –STEEP, LARGE Composed of LAVA & Volcanic ASH
![Page 6: Volcanoes Mountain composed of EXTRUSIVE IGNEOUS ROCKS DURING ERUPTION: GASES & LAVA –GASES & LAVA escape onto EARTH ’ S SURFACE or ATMOSPHERE -Exit through](https://reader035.vdocuments.site/reader035/viewer/2022062720/56649efa5503460f94c0b910/html5/thumbnails/6.jpg)
BEFORE
AFTER
![Page 7: Volcanoes Mountain composed of EXTRUSIVE IGNEOUS ROCKS DURING ERUPTION: GASES & LAVA –GASES & LAVA escape onto EARTH ’ S SURFACE or ATMOSPHERE -Exit through](https://reader035.vdocuments.site/reader035/viewer/2022062720/56649efa5503460f94c0b910/html5/thumbnails/7.jpg)
SHIELD VOLCANOSHIELD VOLCANO•GENTLE slope composed of Volcanic LAVA
![Page 8: Volcanoes Mountain composed of EXTRUSIVE IGNEOUS ROCKS DURING ERUPTION: GASES & LAVA –GASES & LAVA escape onto EARTH ’ S SURFACE or ATMOSPHERE -Exit through](https://reader035.vdocuments.site/reader035/viewer/2022062720/56649efa5503460f94c0b910/html5/thumbnails/8.jpg)
DANGERS of ERUPTION
• Mudslides & Flooding
GAS RELEASE: -Sulfur, Chlorine, & CO2
• Volcanic ASH BLOCKING Sun’s Ray
(COOLING of Earth)
![Page 9: Volcanoes Mountain composed of EXTRUSIVE IGNEOUS ROCKS DURING ERUPTION: GASES & LAVA –GASES & LAVA escape onto EARTH ’ S SURFACE or ATMOSPHERE -Exit through](https://reader035.vdocuments.site/reader035/viewer/2022062720/56649efa5503460f94c0b910/html5/thumbnails/9.jpg)
Mount Vesuvius Victims
79 AD
![Page 10: Volcanoes Mountain composed of EXTRUSIVE IGNEOUS ROCKS DURING ERUPTION: GASES & LAVA –GASES & LAVA escape onto EARTH ’ S SURFACE or ATMOSPHERE -Exit through](https://reader035.vdocuments.site/reader035/viewer/2022062720/56649efa5503460f94c0b910/html5/thumbnails/10.jpg)
Predicting Volcanic Eruptions
SATELLITESSATELLITES: -Report on increasing HEATHEAT from magma
TILT METERS:TILT METERS: -Increased SLOPESLOPE as volcano INFLATESINFLATES with
magma
Monitor INCREASESINCREASES in 1) Elevation 2) Width 3) Number of EARTHQUAKES
![Page 11: Volcanoes Mountain composed of EXTRUSIVE IGNEOUS ROCKS DURING ERUPTION: GASES & LAVA –GASES & LAVA escape onto EARTH ’ S SURFACE or ATMOSPHERE -Exit through](https://reader035.vdocuments.site/reader035/viewer/2022062720/56649efa5503460f94c0b910/html5/thumbnails/11.jpg)
State the most likely affect the ASH CLOUD had on April 25, 1982