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Cradle Brook

Cradle Brook

Cradle Brook

 

This site is a small, sheltered cobble beach at the mouth of Cradle Brook. As is the case with most of the rivers between St. Martin’s and Alma, the upper section of Cradle Brook flows chiefly through Precambrian volcanic bedrock, here mostly comprised of rhyolite and dacite, whereas the lower section nearest the beach flows through less consolidated, sedimentary or metamorphic bedrock composed mainly of quartzite, conglomerate, slate and siltstone. This explains the predominance of the latter types of stones in the beach cobbles.

 

Image by Marc Leger