A Rocky Refuge With a Fiery Past
Posted by: 
Volcanoguy
N 44° 08.182 W 124° 07.544
10T E 409952 N 4887635
This history sign is located in Devils Elbow State Park.
Waymark Code: WMJ7T7
Location: Oregon, United States
Date Posted: 10/07/2013
Views: 2
This sign is located along the trail to Heceta Head Lighthouse in Devils Elbow State Park.
Marker Name: A Rocky Refuge With a Fiery Past
Marker Text: Living life on the ledge
Heceta Head and neighboring islands give animals the rocky refuge they need to survive. Seabirds and sea mammals need the ocean and these islands for food and protection from predators and human harassment.
Seabirds rely on rocky cliffs and islands for safe nesting and resting sites. Seals and sea lions “haul out” on rocks to rest and give birth.
How was this rocky refuge formed?
Over 30 million years ago, lava oozed up through the floor of the Pacific Ocean and cooled into hard basalt rock, later covered by sand and mud.
In time, the seabed was squeezed upward as the Juan de Fuca and North American tectonic plates converged. The power of wind, steams, and waves eroded the softer sedimentary rocks away, leaving the enduring basalt to form today’s headland and islands.
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