Erosion Flashcards
What is an ice age?
A period when several continents are covered by ice sheets last ice age affecting Ireland ended 12,000 years ago ago
What is the process of erosion?
Plucking= when water and in a glacier melts and then refreezes around it rock it then lifts and transports pieces of rocks as the glacier moves
Abrasion = rock with the glacier scrapes the surface rock
What is a corrie?
An armchair shaped hollow
What is an arete?
Jagged ridges, which is formed when two corries Lye side-by-side
What is a pyramidal peak?
When three or more corries form along the sides of the same mountain
What is a ribbon lake?
Along narrow lake on the floor of a U-shaped valley
What is a hanging valley?
Smaller glaciated valley
What is a fjord?
Glacier melts seawater rushes into the flood of the valley
What is a U-shaped valley?
Has a wide flat floor and steep sides