what are the four types of moraine?
lateral, terminal, medial and ground
what is moraine?
all the material moved or carried by a glacier
how is lateral moraine formed?
when freeze thaw takes place, moraine falls to the sides of the glacier
how is terminal moraine formed?
moraine that marks the bottom of where the glacier used to be before it melted/retreated
how is medial moraine formed?
when two glaciers lateral moraines meet and form one big moraine down the middle of the two
how is ground moraine formed?
moraine that has been moved through glacial erosion and been deposited at the bottom of the glacier