the lake district

Question 1

what are the three main types of geology in the lake district

Answer 1

skiddaw slate
borrowdale volcanics
windmere series

Question 2

describe the skiddaw group in three points

Answer 2

• the oldest in the lake district
• sands and muds settles onto the sea floor over 500 million years ago
• mainly in the north where there are smooth mountains and streams occupying gorges

Question 3

what are the highest mountains in the lake distict

Answer 3

helevellyn, scafell and great cable

Question 4

describe the borrowdale volcanics in three points

Answer 4

• central lake district
• very hard lava and ash formed 450 million years ago
• most resistant to erosion and makes up the highest mountains; helvellyn, scafell and great cable

Question 5

describe the windmere group in three points

Answer 5

• sedimentary mudstones, sandstones, siltstones and some limestone formed 420 million years ago
• folded and uplifted by tectonics
• eroded to the current position forming the gentle scenery of the southern lake district

Question 6

what mountain range is a large source of erosional landforms in the lake district

Answer 6

helvellyn range

Question 7

how long and high is the helvellyn range

Answer 7

11km long, 600m high

Question 8

name 3 specific erosional landforms at helvellyn

Answer 8

• red tarn (tarn)
• striding edge (arete)
• norfolk island (roche mountonee)

Question 9

give three specific examples of depositional landforms in the lake district

Answer 9

• there are a number of drumlin fields south of kendall
• a good example of a lateral moraine can be found at the right bank of the Langstrath valley
• erratics are common, a number of erratics from the borrowdale volcanic group have been transported and deposited at the carboniferous limestone at witherslack