volcanoesz Flashcards

1
Q

rupture vent or fissure on the curst of a planteray mass object

A

Volacano

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2
Q

the pihippines is situated in the

A

pacfic ring of fire

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3
Q

storage of magma

A

magma reservoir

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4
Q

underground passageway where magma travels

A

conduit

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5
Q

Flat piece of rock formed when magma hardens

A

SILL

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6
Q

where magma and other materials escape

A

vent

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7
Q

the vent is the one that surrounds the craters mouth

A

false, the crater is the onr that surrounds the volcanic vent

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8
Q

highest point of a volcano

A

summit

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9
Q

side of a volcano

A

flank

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10
Q

mouth of a volcano

A

crater

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11
Q

entrance of a volcano, part of the conduit that ejects lava and volcanic ash

A

throat

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12
Q

fragments of laba and rock that are less than 2mm in size

A

ASH

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13
Q

molten rock BENEATH the earths surface

A

magma

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14
Q

bodies of magma that cut through and across the layering of adjacent rocks

A

DIKE

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15
Q

3 types of

A

active dormat and inactive

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16
Q

3 types of shape

A

cindercone, shield and composite

17
Q

They usually are created of eruptions from a single opening,

A

cindercone

18
Q

composite volcanoes are also called

A

stratovolcanoes

19
Q

cindercone volcanoes are also calle

A

scoria cones

20
Q

simplest type of volcano

A

cindercone

21
Q

cone is symmetrical

22
Q

formed by kess viscous basaltic lava

23
Q

how many inactive volcanoes are there un the pilhiopines

24
Q

5 types of eruption

A

phreatic, phreatomagmatic, vulcanian, strombolian, plinian, pelean

25
what is phreatic explosion
eruption driven by steam
26
interaction of water and magma
phreatomagmatic
27
steam, viscous lava are being ejedcted
pelean
28
rapidly moves toward the lower slopes and bases of the volcano
pelean
29
outbursts of molten laba
strombolian
30
the strombolian eruption is characterised by?
BASALTIC AND ANDESITIC LAVA
31
most powerful type of eruption
plinian
32
tall eruption, 20 km high in height
VULCANIANW
33
WHAT DOES PHIVOLCS MEAN
philippines intisiture of volcanolofy and siesmoologuy