Mount Napier

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Mount Napier

Mount Napier, pictured in 2006.
Elevation 440 metres (1,440 ft) AHD 
Prominence 150 metres (490 ft) AHD 
Listing Volcanoes in Australia
Location
Mount Napier
Location in Victoria
Coordinates 37°53′36″S 142°3′29″E / 37.89333°S 142.05806°E / -37.89333; 142.05806Coordinates: 37°53′36″S 142°3′29″E / 37.89333°S 142.05806°E / -37.89333; 142.05806[1]
Geology
Volcanic arc/belt Newer Volcanics Province
Map of the Mt Napier volcano and lava flow.

Mount Napier in Victoria, Australia, one of the youngest volcanoes in Australia, erupted about 32,000 years ago.[2] Mount Napier State Park is located 270 kilometres west of Melbourne and 17 km south of Hamilton.

Location and features

Mount Napier has a composite lava shield with a superimposed scoria cone. The cone rises 500 feet (150 m) above the surrounding plains to an elevation of 1,440 feet (440 m), making it the highest point on the Western District Plains of Victoria. Mount Napier is part of the Newer Volcanics Province, which is the youngest volcanic centre in Australia. The Newer Volcanics Province covers an area of 6,000 square miles (15,000 square km) and contains over 400 vents.

The Mount Napier Lava Flow followed the Harman Valley west from the volcano, and then south towards nearby Mount Eccles which is 25 km south-west of Mount Napier. Lava blisters or tumuli occur along the flow - these are house-sized mounds of basalt rocks. The blisters are the best developed in Australia and uncommon in the rest of the world. They are formed by the pressure of liquid lava pushing up against the crust.[3] Several caves and lava tubes can also be found at Byaduk.

The native vegetation of Mount Napier State Park, on the western side of the mountain, varies from grassy woodland to tall open forest dominated by Manna Gum Eucalyptus viminalis, Blackwood Acacia melanoxylon, Austral Bracken Pteridium esculentum and Common Tussock Grass Poa labillardieri.[4] This hosts a variety of native fauna, including birds, marsupials and mammals, including bats (Bird 1997[4]).

Gallery

  • Scoria from Mount Napier

  • Close view of the volcanic rim

  • Harmans Valley to Mount Napier

  • Tumuli - lava blisters

See also

References

  1. ↑ "Mount Napier". Gazetteer of Australia online. Geoscience Australia, Australian Government. 
  2. ↑ Grimes, Ken. "Ages of Our Volcanoes". Retrieved 22 August 2013. 
  3. ↑ Grimes, Ken. "The Tumuli". Retrieved 19 September 2012. 
  4. ↑ 4.0 4.1 Bird, Rod. "Mammals and Birds of the Mount Napier State Park". Retrieved 19 September 2012. 

External links

  • : Mt Napier State Park
  • : Byaduk Caves
Mountains in Victoria, Australia
Grampians
  • William (1,167 m or 3,829 ft)
  • Difficult
  • Wilson
  • Zero
Victorian Alps
Bogong High Plains
  • Nelse West (1,893 m or 6,211 ft)
  • Nelse North (1,885 m or 6,184 ft)
  • Fainter South (1,883 m or 6,178 ft)
  • Hotham (1,862 m or 6,109 ft)
  • McKay (1,849 m or 6,066 ft)
  • Cope (1,837 m or 6,027 ft)
  • Spion Kopje (1,837 m or 6,027 ft)
  • Jim (1,818 m or 5,965 ft)
Cathedral Range
  • Lake (1,482 m or 4,862 ft)
Cobberas Range
  • Cobberas No. 1 (1,833 m or 6,014 ft)
  • Cobberas No. 2
  • Moscow Peak
  • Middle Peak
  • Cleft Peak
Other
Other
mountain ranges
Central Highlands
Dandenong Ranges
Pyrenees Ranges
  • Avoca (747 m or 2,451 ft)
  • Warrenmang (537 m or 1,762 ft)
Strzelecki Ranges
  • Tassie (740 m or 2,428 ft)
Other
  • Matlock (1,377 m or 4,518 ft)
  • Ritchie (1,259 m or 4,131 ft)
  • Toorongo (1,247 m or 4,091 ft)
  • Horsfall (1,130 m or 3,707 ft)
  • Kaye (998 m or 3,274 ft)
  • Elizabeth (941 m or 3,087 ft)
  • Ghiran (924 m or 3,031 ft)
  • Disappointment (794 m or 2,605 ft)
  • Riddell (781 m or 2,562 ft)
  • Beenak (745 m or 2,444 ft)
  • Alexander (744 m or 2,441 ft)
  • Buninyong (719 m or 2,359 ft)
  • Hanging Rock / Diogenes (718 m or 2,356 ft)
  • Warrenheip (714 m or 2,343 ft)
  • Franklin (648 m or 2,126 ft)
  • Beckworth (634 m or 2,080 ft)
  • Corhanwarrabul (628 m or 2,060 ft)
  • Tarrengower (556 m or 1,824 ft)
  • Warrenmang (526 m or 1,726 ft)
  • Napier (440 m or 1,444 ft)
  • Briggs Bluff (420 m or 1,378 ft)
  • Arapiles (369 m or 1,211 ft)
  • You Yangs (352 m or 1,155 ft)
  • Noorat (310 m or 1,017 ft)
  • Warrnambool (216 m or 709 ft)
  • Wycheproof (148 m or 486 ft)
  • Cooper (137 m or 449 ft)
  • Eccles
  • Elephant
  • Hopeless
  • Leura
  • Typo


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