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Helliwell Bluffs Earthcache EarthCache

Hidden : 9/2/2009
Difficulty:
1 out of 5
Terrain:
1.5 out of 5

Size: Size:   other (other)

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Geocache Description:


Helliwell Provincial Park was donated by John Helliwell and established in 1966. The park is comprised of 2,872 hectares. According to the BC parks website, the primary role of Helliwell Park is to protect rare and endangered terrestrial ecosystem elements.


Helliwell Provincial Park is located on Hornby Island, two short ferry rides from Vancouver Island. Take the Denman Island Ferry from Buckley Bay, off Hwy #19a. Once on Denman Island, follow Denman Road to the Hornby Island Ferry terminal. Another 10 minute ferry ride will put you on Hornby Island. Follow the main road and turn left at the Hornby Island CO-OP, following Central Road to St. John's Point Road to the park.


Hornby Island is distinctive in that it was formed by post-glacial rebound as the last ice-age retreated. Helliwell bluffs and beaches are comprised of conglomerate which is a coarse-grained sedimentary rock which contains round rock cemented with silt, slay, calcium carbonate and/or similar materials.


Coastal Erosion is the wearing away of land by wave action, tidal currents, wave currents, or drainage. Waves, generated by storms, wind, or fast moving motor craft, cause coastal erosion, which may take the form of long-term losses of sediment and rocks, or merely the temporary redistribution of coastal sediments; erosion in one location may result in accretion nearby. On rocky coasts, coastal erosion results in dramatic rock formations in areas where the coastline contains rock layers or fracture zones with different resistances to erosion. Softer areas become eroded much faster than harder ones, which typically result in landforms such as tunnels, bridges, columns, and pillars. On sedimentary coasts, coastal erosion typically poses more of a danger to human settlements than it does to nature itself.


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