Honeycomb weathering in sandstone of the Chuckanut Formation (nwgeology.wordpress.com)

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Of particular interest to artists and researchers are unusual weathering forms displayed upon the rocks within the shore zone. Mustoe (1971) studied the shoreline weathering characteristics of the Chuckanut Formation in order to explain some of the curious patterns that resemble cavities (Fig. 18). Mustoe refers to these features as aveoli and attributes their formation to biochemical weathering of the rock surfaces.

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Dave Tucker

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Honeycomb weathering is found in many rock types, including granite and rhyolite, as well as sandstone. It occurs in humid and desert environments, cold and hot. Honeycomb weathering produces intricate and highly photogenic structures in seaside exposures of Chuckanut Formation sandstone…

honeycomb weathering of

Chuckanut Formation

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You brood of vipers, how can you who are evil say anything good? For the mouth speaks what the heart is full of. Matthew 12:34 NIV

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https://nwgeology.wordpress.com/the-fieldtrips/the-chuckanut-formation/honeycomb-weathering-in-sandstone-of-the-chuckanut-formation/