Rolleston Glacier, West Coast Road ,1894.

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DescriptionArthur's Pass National Park contains the most northern of the Glaciers in the South Island. The Rolleston Glacier on the southern flanks of Mt Phillistine is the most northern.

THE LEGACY OF GLACIERS

Throughout long periods of the last 1.5 million years, average temperatures have been up to 6� Celsius lower than they are today. This caused large glaciers to form along the length of the Southern Alps, resulting in huge rivers of ice laden with a mass of abrasive debris grinding slowly out of the main valleys in the park. At their maximum advance they extended to near Springfield in the east and Kumara in the west. Only the peaks, and highest of the ridges would have been visible above the sheets of ice.

Much of the basic shape of the parks land today is a direct legacy of the last major ice age, shown in deep straight U-shaped valleys (Edwards Valley), high cirque basins (Lake Mavis, Sally & Anna), narrow rocky ridges (Philistine - Rolleston), horn shaped peaks (Mt Franklin), ice smoothed bedrock (White Valley), hummocky moraines, and flights of terraces (Craigieburn Forest Park).Date of PhotoBetween 1st January 1984 and 31st December 1984Map^[1]External LinkArthur`s PassContributorHeather Newby

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Location (city or town)Mt Philistine

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Category Tagmountaineering

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Rolleston Glacier, West Coast Road ,1894.