The Pinnacles, Cervantes, Western Australia #8
by Elaine Teague
Title
The Pinnacles, Cervantes, Western Australia #8
Artist
Elaine Teague
Medium
Photograph - Photo Painting
Description
The Pinnacles are two-hundred and forty-five kilometres north of Perth on the way to Geraldton. Closest main town is Cervantes. The Pinnacles are seventeen kilometres south east of the town in the Nambung National Park.
The Pinnacles are limestone formations. The raw material for the limestone of the Pinnacles came from seashells in an earlier epoch rich in marine life. These shells were broken down into lime rich sands which were carried inland to form high mobile dunes. The Pinnacles were formed from lime leaching from the sand and by rain cementing the lower levels of the dune into a soft limestone. Vegitation forms an acidic layer of soil and humus. A hard cap of calcrete develops above the softer limestone. Cracks in the calcrete are exploited by plant roots. The softer limestone continues to dissolve. Quartz sand fills the channels that form. Vegetation dies and winds blow away the sand covering the eroded limestone. The Pinnacles appear.
©Elaine Teague all rights reserved.
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Uploaded
August 29th, 2022
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