Definitions
from The American Heritage® Dictionary of the English Language, 5th Edition.
- noun A fine-grained rock of consolidated silt.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun A
sedimentary rock whose composition is intermediate ingrain size between the coarsersandstone and the finermudstone .
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- noun a fine-grained sandstone of consolidated silt
Etymologies
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Examples
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Ancient mud deposits harden over geological time to form sedimentary rock such as siltstone or solid, mudrock lutites.
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Ancient mud deposits harden over geological time to form sedimentary rock such as siltstone or solid, mudrock lutites.
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Anyway, the ground was a very light grey, almost purple in places, a weathered clay or mudstone or siltstone of some sort.
One of those WoW things. sovay 2009
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We climbed over the craggy outcrops of Cambro-Ordovician age Fort Burnside Formation and Jamestown Formation, crazily tilted beds of phyllite and slate and siltstone and stark white veins of calcite.
"Into a light that lingers." greygirlbeast 2010
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“You're damn sexy is what you are,” says Jillie, straddling the narrow part of the creek as she hands me another piece of siltstone.
Taxonomies Jason Lee Miller 2011
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We climbed over the craggy outcrops of Cambro-Ordovician age Fort Burnside Formation and Jamestown Formation, crazily tilted beds of phyllite and slate and siltstone and stark white veins of calcite.
"Wild Leaves" (for Robert Mapplethorpe) greygirlbeast 2010
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Here, rocks of the Cambro-Ordovician Conanicut Group, specifically interstratified beds of the Fort Burnside Formation and the older Jamestown Formation form great flat tables of phyllite and siltstone, metamorphosed to varying degrees.
"Don't let the Earth in me subside..." greygirlbeast 2008
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Mississippian to Ordovician-age limestone, chert, sandstone, siltstone and shale compose the landforms of open hills, irregular plains, and tablelands.
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More forest covered than most adjacent ecoregions, the North Central Appalachians ecoregion is part of a vast, elevated plateau composed of horizontally bedded sandstone, shale, siltstone, conglomerate, and coal.
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It is a semiarid rolling plain of shale, siltstone, and sandstone punctuated by occasional buttes and badlands.
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