glacer.p2. Flashcards
what is a Drumilns?
a drumins are oval shaped hils made of boulder clay
how are drumlins formed
drumlins are formed when glacier deposites mounds of boulday clay
what is an erratics?
an erratics are large boulders that were transported from there orignal location by glacier and then deposited an area when the rock type is diffent
what is a moraines
a moraine is the name giving to the material transported and later deposited on the valley floor by a glacier
how are moraines formed?
moraines are formed when a glacier travells through a valley. it drops of some of the material that is eroded from the upper slopes at either side of the glacier
what is an esker?
an esker is a long, narrrow ride of sand and gravel that winds its way along a lowland landscape
how are eskers formed?
eskers are formed when a glacier begins to melt, streams of meltweater carrying a load of erode material flow through a tunnet that is craved under the glacier
what is an outwsh plains
an outwash plain is a low,flat area of land made of sand and gravel. it is found in front of a terminal moraine
how are outwash plains formed
as a glacier melts, meltweather carrying a load of sand and gravel froms the front of the glacier and spreads out over the lowland area
