The Collaborative International Dictionary
Sedimentary \Sed`i*men"ta*ry\, a. [Cf. F. s['e]dimentaire.] Of or pertaining to sediment; formed by sediment; containing matter that has subsided.
Sedimentary rocks. (Geol.) See Aqueous rocks, under Aqueous.
Wiktionary
n. (plural of sedimentary rock English)
Usage examples of "sedimentary rocks".
An examination of the geological formation of our Atlantic States proves beyond a doubt, from the manner in which the sedimentary rocks, the sand, gravel, and mud--aggregating a thickness of 45,000 feet--are deposited, that they came from the north and east.
So that the lofty Pile of sedimentary rocks in Britain, gives but an inadequate idea of the time which has elapsed during their accumulation.
The rocks were formed from pre-existing igneous and sedimentary rocks during mountain-building events in the deep past.
The glaciers had flowed east over this place, scraping off the younger sedimentary rocks and leaving these three igneous plugs exposed.
In the case of the sedimentary rocks that form the Bahariya Formation, the way Smith and Lacovara hoped to find out about the landscape once roamed by the animals their colleagues were unearthing at the bottom of the hill was by studying something that might well seem crashingly dull but turns out not to be: the size of the grains in the rock.
Lyell realised that the age of the Earth must be many millions of years, when he looked at sedimentary rocks.
The geological evidence of the similarity of ancient and modern sedimentary rocks suggests that the inflow and the outflow pretty much balance each other.
The evidence is the chemical composition of sedimentary rocks, rocks formed from deposits of shells and other hard parts of organisms, which seems not to have changed much in the interim.
All over the world, a fine layer of blackened clay was laid down, a band of darkness that would forever show up as a punctuation in the sedimentary rocks of the future—.
Since sedimentary rocks almost invariably require the presence of standing water in order to form the evidence shows that the oceans largely disappeared 49.
Within petrology my field has been narrowed down more recently to sedimentary rocks.
Our oceans will boil, and carbon dioxide, now present as carbonates in the sedimentary rocks, will pour out into the atmosphere.
These were no gentle sedimentary rocks formed over centuries of settling seas.