Geography
Mertz Glacier is about 45 miles (72 km) long and averaging 20 miles (32 km) wide. It reaches the sea at the head of a 60 km fjord where it continues as a large glacier tongue out between Cape De la Motte/Buchanan Bay on the West, and Cape Hurley/Fisher Bay on the east, into the Southern Ocean. The Mertz Glacier Tongue (67°10′S 145°30′E / 67.167°S 145.5°E / -67.167; 145.5 (Mertz Glacier Tongue)) is about 50 miles (80 km) long in total hence it protrudes about 20–25 km out into the Ocean. It is roughly 25 miles (40 km) wide. The Glacier delivers about 10 to 12 Gigatons of ice per year to the fjord and the Tongue advances at about 1 km per year down the fjord and out into the Ocean.
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