Intrusive igneous activity

1. Unit 4: Geographical Unit 4: Geographical
ResearchResearch
Tectonic Activity and HazardsTectonic Activity and Hazards

2. Guess the link …Guess the link …

3. Lesson 8: What are the landscape Lesson 8: What are the landscape
impact of intrusive igneous activity? impact of intrusive igneous activity?
Learning objectivesLearning objectives
To outline the range of intrusive igneous To outline the range of intrusive igneous
landformslandforms

4. Volcanic activity in BritainVolcanic activity in Britain
Play videoPlay video

5. Intrusive igneous landformsIntrusive igneous landforms

6. Intrusive igneous activityIntrusive igneous activity
Intrusion Intrusion is the movement of magma is the movement of magma
underground into spaces that exist underground into spaces that exist
within rock strata. within rock strata.
When this magma cools and hardens, When this magma cools and hardens,
intrusive volcanic landforms intrusive volcanic landforms are are
created. created.
Weathering and erosion Weathering and erosion causes these causes these
landforms to be exposed.landforms to be exposed.

7. BatholithBatholith
Play videoPlay video

8. Sill Sill
Play videoPlay video
ConcordantConcordant = parallel to bedding planes = parallel to bedding planes

9. DykeDyke
Discordant = across
the bedding planes

10. Case study: The Isle of ArranCase study: The Isle of Arran

13. Suggested resourcesSuggested resources
P255 – 257 OUPP255 – 257 OUP
P166-167 Byrne et alP166-167 Byrne et al
Moodle resourcesMoodle resources

14. Next lesson ….Next lesson ….
The impacts of earthquakes on the The impacts of earthquakes on the
landscapelandscape