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8528924
Mind Map: Rocks
Description
Mind Map: Rocks
No tags specified
mind map: rocks
geography
leaving certificate
Mind Map by
Steven Morgan
, updated more than 1 year ago
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Created by
Steven Morgan
over 7 years ago
36
2
0
Resource summary
Mind Map: Rocks
Igneous
Exogenic
Above ground
Extrusive
Volcanic
Fertile when broken down
Basalt
Quick cooling lava
Giants Causway
Hexagonal blocks
Sea floor
most common in world
Dark, grey colour
Fine grains
Small crystals
<55% silica
Endogenic
Underground
Intrusive
Plutonic
Granite
cools slowly
Large crystals
Rough grains
Mica, feldspar, silica
>55% silica
Acidic
Leinster Batholith
Caps of Mts
Hard wearing
Counter tops
Volcanic activity
Latin for fire
Sedimentary
Mechanical
Sandstone
Red
2nd most common in Ireland
Rough
Old red sandstone
Waterford, Cork & Kerry
Hot desert
Sand
Lithified in lake beds
South of equator
Rough to touch
Fine grains
Cemented with silica
Permeable
Conglomerates
Shale
Chemical
Gypsum
Shallow bays
Water evaporated
Salts/mineral left behind
Co. Cavan
Kingspan
Plasterboard
Mined
Chemically boned/created
Organic
Remains of plants
Coal
Remains of animals
Limestone
Fish & shells
350 mill Y.A.
Under the sea
Fossoils
Calcium Carbonate
White in colour
Impurities turn it grey
Most common in Eire
Exposed
Karst
Burren
Cement & lime
Alkaline
Types
Chalk
Dolomite
Made on or near surface
Compressed sediments
Lithification
Cemented
Layers
Different rates
Oldest @ bottom
Newest @ top
Strata
Bedding planes
Metamorphic
Thermal (Contact)
Great heat
Cooked rocks
aureole
Volcanic intrusions
Regional
Heat & pressure
Limestone to Marble
Many colours
Impurities
Green, red white
Counters/floors
Iron oxide gives red
Serpentine gives green
Dynamic
Great pressure
foliation
Very hard rock
Slate
Fold Mts
Quartzite
From sandstone
Medium cyrstals
Non porus
Rod surfaces
Igneous or Sedimentary
Rock cycle
Heat & pressure
Human interaction
Mining
Open cast
Geothermal
Shaft
Drilling
Oil
Gas
Rock cycle
Melted
Cemented
Cooled & solidified
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