Igneous rock formation -Long answer

Question 1

Granite

Answer 1

◍ Wicklow mountains
◍ Co. Wicklow

Question 2

Basalt

Answer 2

◍ The Giant’s Causeway
◍ Co. Antrim

Question 3

Igneous is formed…..

Answer 3

◍ magma cools and solidifies below ground/on the earth’s surface
◍ divided into types by depth formed

Question 4

Extrusive/volcanic igneous rock

Answer 4

◍ Basalt forms at volcanic cones,hotspots and mid-ocean ridges
◍black/brown

Question 5

Ireland’s basalt

Answer 5

◍ basalt formed 60 MYA
◍when basic magma (55%) flows out fissures in crust

Question 6

Intrusive/plutonic igneous rock

Answer 6

◍ magma in mantle cools deep underground
◍oceanic plate sink under continental (Nazca ,south america)
◍ as ocean plate sinks it’s subducted

Question 7

lil bit on granite rock

Answer 7

◍ formed cuz magma cools so slowly
◍ big crystals of feldspar,mica,quartzite grow
◍ grey,white,pink,green

Question 8

Irish granite

Answer 8

◍400MYA
◍ Caledonian mountain building
◍ magma injected crust
◍ overlying rocks -eroded away

Question 9

Intermediate (hypabyssal)

Answer 9

◍ magma pushes closer to surface
◍cools faster form small grained intermidiate rocks
◍ found in dykes,sills ad laccoliths
◍ Fair head Co. Antrim