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Benson Glacier
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Benson Glacier
Benson Glacier (76°49′S 162°12′E / 76.817°S 162.200°E) is a glacier about 12 nautical miles (22 km; 14 mi) long, draining the east part of Flight Deck Névé and continuing east between Fry Glacier and Mackay Glacier into the north part of Granite Harbour where it forms a floating tongue.
Benson Glacier was mapped in 1957 by the New Zealand Northern Survey Party of the Commonwealth Trans-Antarctic Expedition (1956–1958), and indicated as a somewhat longer glacier including the present Midship Glacier. It was named by the party after Noel Benson, formerly professor of geology at the University of Otago, New Zealand, whose publications include a major contribution to the petrology of Victoria Land.
The Benson Glacier forms in the northeast end of Alatna Valley in the Convoy Range and flows northeast to the south of Mount Razorback, Dotson Ridge, Flagship Mountain, Mount Davidson (Antarctica) and Mount Nesbelan, which surround Flight Deck Névé. To the south the Benson Glacier flows past Mount Morrison, Mount Brøgger and Black Pudding Peak. Benson Glacier saddles with Gran Glacier, a tributary of Mackay Glacier that flows to the south. Benson Glacier continues east past Mount Whitcombe, Mount Perseverance and Mount Arrowsmith to the north, and Red Buttress Peak to the south, to flow into Granite Harbour The small Hunt Glacier, which flows from Mount Forde joins the south of the ice tongue of Benson Glacier.
Features of the terrain around the contact between Midship Glacier, Benson Glacier and Cleveland Glacier include:
76°50′S 161°36′E / 76.833°S 161.600°E. A thin, sinuous medial moraine that arcs smoothly for 6 nautical miles (11 km; 6.9 mi) from a point near Mount Razorback to beyond the far (northeast) side of Black Pudding Peak. Its curved trajectory marks the contact between Benson Glacier ice and that of Midship Glacier. So named by a 1989–1990 NZARP field party from association with Flotsam Moraines and because all supraglacial moraines are "floating" on the glacier ice, and drift similar to flotsam and jetsam.
76°54′S 161°32′E / 76.900°S 161.533°E. A mountain, 1,895 metres (6,217 ft) high, standing between Midship Glacier and the head of Cleveland Glacier. Discovered by the British National Antarctic Expedition (BrNAE) (1901–1904) and named after J. D. Morrison of the Morning, a relief ship to the expedition.
76°51′S 161°40′E / 76.850°S 161.667°E. The moraines trailing northeastward from Mount Morrison, trapped in the ice eddies between Midship Glacier and ice from local mountainside glaciers. So named by a 1989-90 NZARP field party from association with Jetsam Moraine and because all supraglacial moraines are "floating" on the glacier ice, and drift in a manner similar to marine flotsam and jetsam.
76°53′S 161°41′E / 76.883°S 161.683°E. A snow saddle between Mount Brøgger and Mount Morrison, separating the glacial catchments of the Benson Glacier and Cleveland Glacier. A NZARP field party made a late-night temporary camp on the saddle in January 1990. The name commemorates the midnight hours kept at this location.
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Benson Glacier
Benson Glacier (76°49′S 162°12′E / 76.817°S 162.200°E) is a glacier about 12 nautical miles (22 km; 14 mi) long, draining the east part of Flight Deck Névé and continuing east between Fry Glacier and Mackay Glacier into the north part of Granite Harbour where it forms a floating tongue.
Benson Glacier was mapped in 1957 by the New Zealand Northern Survey Party of the Commonwealth Trans-Antarctic Expedition (1956–1958), and indicated as a somewhat longer glacier including the present Midship Glacier. It was named by the party after Noel Benson, formerly professor of geology at the University of Otago, New Zealand, whose publications include a major contribution to the petrology of Victoria Land.
The Benson Glacier forms in the northeast end of Alatna Valley in the Convoy Range and flows northeast to the south of Mount Razorback, Dotson Ridge, Flagship Mountain, Mount Davidson (Antarctica) and Mount Nesbelan, which surround Flight Deck Névé. To the south the Benson Glacier flows past Mount Morrison, Mount Brøgger and Black Pudding Peak. Benson Glacier saddles with Gran Glacier, a tributary of Mackay Glacier that flows to the south. Benson Glacier continues east past Mount Whitcombe, Mount Perseverance and Mount Arrowsmith to the north, and Red Buttress Peak to the south, to flow into Granite Harbour The small Hunt Glacier, which flows from Mount Forde joins the south of the ice tongue of Benson Glacier.
Features of the terrain around the contact between Midship Glacier, Benson Glacier and Cleveland Glacier include:
76°50′S 161°36′E / 76.833°S 161.600°E. A thin, sinuous medial moraine that arcs smoothly for 6 nautical miles (11 km; 6.9 mi) from a point near Mount Razorback to beyond the far (northeast) side of Black Pudding Peak. Its curved trajectory marks the contact between Benson Glacier ice and that of Midship Glacier. So named by a 1989–1990 NZARP field party from association with Flotsam Moraines and because all supraglacial moraines are "floating" on the glacier ice, and drift similar to flotsam and jetsam.
76°54′S 161°32′E / 76.900°S 161.533°E. A mountain, 1,895 metres (6,217 ft) high, standing between Midship Glacier and the head of Cleveland Glacier. Discovered by the British National Antarctic Expedition (BrNAE) (1901–1904) and named after J. D. Morrison of the Morning, a relief ship to the expedition.
76°51′S 161°40′E / 76.850°S 161.667°E. The moraines trailing northeastward from Mount Morrison, trapped in the ice eddies between Midship Glacier and ice from local mountainside glaciers. So named by a 1989-90 NZARP field party from association with Jetsam Moraine and because all supraglacial moraines are "floating" on the glacier ice, and drift in a manner similar to marine flotsam and jetsam.
76°53′S 161°41′E / 76.883°S 161.683°E. A snow saddle between Mount Brøgger and Mount Morrison, separating the glacial catchments of the Benson Glacier and Cleveland Glacier. A NZARP field party made a late-night temporary camp on the saddle in January 1990. The name commemorates the midnight hours kept at this location.