Rocks Flashcards
Where is a tor formed?
A flat topped Moreland plateau
Characteristics of granite e.g. Permeable or impermeable?
Inpermeabale
Rocks in the dales are commonly?
Limestone
Examples of igneous rock
Batholith
Granite
Common name for kaolin is?
China clay
Metals mined at Dartmoor include?
Cooper
Tin
Explain the formation of a chalk escarpment? Characteristics?
- chalk is layer at 45% is clay
- After thousands of years rivers erode the softer clay
- this leaves the harder, more resistant chalk still there
Characteristics
Scarp slope
Wet point settlements
Sheep farming is found here due to poor grass on the escarpments
Cow farming in lush green cakes (due to mineral filled clay)
Advantages of quarrying?
+Creates around 40 jobs to the area
+more local building materials available
+new developments when quarry is closed, e.g shopping centre, activity centre
Disadvantages of quarrying
- noise pollution of explosions
- dust pollution dangerous to breathing, asthmatics, dirties homes and cars
- heavier, more dangerous traffic
- scar on the land, ugly
- interrupts the habitat
- deters tourists
- Ruins scenery
Limestone pavements consists of?
Clings and grikes
Watlowes an example of a?
Dry valley
Used of limestone?
Caco3 makes soil less acidic/ fertiliser
Building material
Good for sheep farming
Good racing ground 🐴
Rock cycle with examples
Igneous- out of a volcano – granite
Sedimentary- on sea bed submitted to a large amount of pressure. – sandstone
Metamorphic- submitted heat and pressure and eventually turns back to igneous – marble