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Old Red Sandstone
noun
- a thick sequence of sedimentary rock (generally, but not always, red) deposited in Britain and NW Europe during the Devonian period
- (in Britain) another term for Devonian
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Example Sentences
Smoke-grey micaceous slaty-clay, much like certain beds of the old red sandstone, where it graduates into grey wacke.
From Project Gutenberg
It is not known how far normal sediments are associated with the Old Red Sandstone type of deposit.
From Project Gutenberg
This sandstone appears, from its texture and position, to be the "old red sandstone" of geologists.
From Project Gutenberg
Asterolepis, a genus of primitive ganoid fishes, found only in a fossil state in the Old Red Sandstone.
From Project Gutenberg
Assuredly no young geologist will find more stimulating chapters than those penned by the author of the Old Red Sandstone.'
From Project Gutenberg
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