Tag Archives: volcanic eruption

Yaquina Head National Park, Newport, Oregon

"Yaquina Head's light is 81'2" (25 m) above the ground and 162' (49 m) above mean sea level;
“Yaquina Head’s light is 81’2” (25 m) above the ground and 162′ (49 m) above mean sea level; the top of the tower is 10′ (3 m) higher still.

Yaquina Head
Newport, Oregon

One of my favorite highlights of Newport, this great area of Natural Beauty is preserved by the Bureau of Land Management as part of the National Landscape Conservation System/Lands and a tourist hotspot on the Oregon Coast. Yaquina Head is a headland that extends into the Pacific Ocean with a pristine historic Light House at its head known as the Yaquina Head Light. The protected area is just north of Newport along U.S. Route 101. Consisting of 95 acres, it has been preserved since 1980. The head stands at 108 feet above sea level.

The area depicts a violent volcanic past with basalts that changed the coastline during volcanic eruptions millions of years ago. It is home to 5 hiking trails, all of which are less than a half mile in length paralleling the ocean or through the forest lines. It is a popular place for sightseeing, whale watching, bird watching, history, and the light house.

"Creating Cobbles; Cobbles, pebbles and sand are the result of boiling lava meeting the cold ocean, followed by 14 millin years of weather and erosion.  Fragments of ancient lava - hot basalt exploded upon contact with cold sea water and intermixed with quickly chilled volcanic glass to form a breccia. The cobbles on this beach are weathered remains of these exploded fragments. Sea water alters the glass surrounding the basalt fragments into a mineral called palagonite which is easily washed away. The water then attacks the fragment causing its corners to become more and more rounded. The cobbles are further rounded and made smaller by beach wave action. In the summer there is some sand on these beaches, but winter waves wash most of the sand out to sea leaving almost all cobbles on the beach. Between the tides: Tidal forces shape the shoreline and bring life to the intertidal area. Tides are caused by the gravitational pull of the sun and moon. Here and elsewhere in the coastal Pacific Northwest there are almost always two high and two low tides daily. The pull of the moon and sun causes the oceans to bulge and the earth rotates under them. These bulges come and go as high tides. The tides would be easy to predict if they occurred exactly every six hours. However because the tides follow a cycle that is slightly more than six hours long, the whole sequence is repeated later each day. Mean (average) lowest low tide is used as the base level for most coastal charts and tide tables. When ships enter or leave harbor, the depth of water at mean low tide is more important to them than mean sea level." ~ information sign at Yaquina Head National Park, Newport, Oregon. Yaquina Head National Park (http://www.technogypsie.com/reviews/?p=25775). 1/27/16: Chronicles 23: Delving the Oregon Coast and Willamette Valley:  http://www.technogypsie.com/chronicles/?p=19727 -   Photos from  February 2016 . (c) 2016 - photo by Photographers Thomas Baurley  / Leaf McGowan
“Creating Cobbles; Cobbles, pebbles and sand are the result of boiling lava meeting the cold ocean, followed by 14 million years of weather and erosion. Fragments of ancient lava – hot basalt exploded upon contact with cold sea water and intermixed with quickly chilled volcanic glass to form a breccia. The cobbles on this beach are weathered remains of these exploded fragments. Sea water alters the glass surrounding the basalt fragments into a mineral called palagonite which is easily washed away. The water then attacks the fragment causing its corners to become more and more rounded. The cobbles are further rounded and made smaller by beach wave action. In the summer there is some sand on these beaches, but winter waves wash most of the sand out to sea leaving almost all cobbles on the beach. Between the tides: Tidal forces shape the shoreline and bring life to the intertidal area. Tides are caused by the gravitational pull of the sun and moon. Here and elsewhere in the coastal Pacific Northwest there are almost always two high and two low tides daily. The pull of the moon and sun causes the oceans to bulge and the earth rotates under them. These bulges come and go as high tides. The tides would be easy to predict if they occurred exactly every six hours. However because the tides follow a cycle that is slightly more than six hours long, the whole sequence is repeated later each day. Mean (average) lowest low tide is used as the base level for most coastal charts and tide tables. When ships enter or leave harbor, the depth of water at mean low tide is more important to them than mean sea level.” ~ information sign at Yaquina Head National Park, Newport, Oregon. Yaquina Head National Park (http://www.technogypsie.com/reviews/?p=25775). 1/27/16: Chronicles 23: Delving the Oregon Coast and Willamette Valley: http://www.technogypsie.com/chronicles/?p=19727 – Photos from February 2016 . (c) 2016 – photo by Photographers Thomas Baurley / Leaf McGowan

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The Giant’s Causeway

The Giant’s Causeway:

near Bushmills, Northern Ireland
Tied into the legendary faerie lore with being created by Finn Mac Cool as a causeway to walk between Ireland and Scotland, the area is rich in myths and legends. A World Heritage site (UNESCO 1986), operated by the National Trust, the Giant’s Causeway consists of over 40,000 interlocking basalt columns that were caused by the result of a ancient volcanic eruption 50-60 million years ago. Intense volcanic activity caused highly fluid molten basalt to intrude through the chalk beds forming an extensive lava plateau. As the lava cooled quickly, contraction began with some in vertical directions that reduced the flow thickness, and horizontal contraction that was accommodated by cracking through the flow varying by lava speed forming the columns. In the heart of County Antrim on the northeast coast of Northern Ireland, the site is not very far from the infamous village of Bushmills. The site was discovered in 1693. It is considered to be the fourth natural wonder in the United Kingdom. Each of the hexagonal columns form stepping stones that lead from the cliff foot onward into the sea where they surface again into Scotland. Some of the columns reach heights upwards of 36 feet high. Most of the columns are hexagonal, though some have four, five, seven, and eight sides. Areas of solidified lava in the cliffs are up to 28 meters thick in some places. The area is infamous for the columns, stepping stones, myths, legends, the Giant’s Boot, and the Organ, the Giant’s Eyes, the Shepherd’s Steps, the Honeycomb, the Giant’s Harp, the Chimney Stacks, the Giant’s Gate, the Camel’s Hump, as well as a panoramic seaside view and beaches. Rating 5 stars out of 5.



 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 


 

 

 

 

 


 

 

 

 

 


 

 

 

 

 

 


 


 


 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 


Giant’s blood pool:

 

 

Giant’s Boot:

 

 

 


 




 

 


 


The Organ:

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 


 

 


 

 

 

 

 


 

 

 

 




 

 

 

 

 

 

 

 

 

 

 

 

 

 

 


 

 

 

 

 


 

 

 

 

 


 

 

 

 



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