sedimentary rock


  • WordNet 3.6
    • n sedimentary rock rock formed from consolidated clay sediments
    • ***


In literature:

The bright colours of the sedimentary rocks put new cheer into them.
"The Romance of the Colorado River" by Frederick S. Dellenbaugh
The land surface is at present largely covered with the sedimentary rocks themselves.
"The Birth-Time of the World and Other Scientific Essays" by J. (John) Joly
An important class of rocks occurring in the Catoctin Belt is the sedimentary series.
"History and Comprehensive Description of Loudoun County, Virginia" by James W. Head
There is a total absence of sedimentary rocks.
"The Andes and the Amazon" by James Orton
The foot plateau which succeeds is composed of sedimentary rocks dating from Trias to Jurassic.
"Encyclopaedia Britannica, 11th Edition, Volume 4, Part 3" by Various
Traces of it are found in practically all igneous and most sedimentary rocks.
"Commercial Geography" by Jacques W. Redway
There are few sedimentary rocks which do not contain it.
"Manures and the principles of manuring" by Charles Morton Aikman
Besides variety of form, sedimentary rocks furnish a wide range of color derived from mineral dyes dissolved out of rocks by erosion.
"The Book of the National Parks" by Robert Sterling Yard
Sulphur is of two kinds, one of which is of volcanic emanation, the other being closely allied to sedimentary rocks.
"Scientific American Supplement, No. 647, May 26, 1888" by Various
It is estimated that the feldspars make up 50 per cent of all the igneous rocks and 16 per cent of the sedimentary rocks.
"The Economic Aspect of Geology" by C. K. Leith
In lieu of the other half of their shell they attached themselves to sedimentary rocks.
"The Martian Cabal" by Roman Frederick Starzl
Geologists have measured with some accuracy the maximum thickness of all the known sedimentary rocks.
"Island Life" by Alfred Russel Wallace
Over these lie thick layers of sedimentary rocks laid down by water.
"Earth and Sky Every Child Should Know" by Julia Ellen Rogers
A group, whether of alluvial deposits, sedimentary strata, or igneous rocks, referred to a common origin or period.
"Principles of Geology" by Charles Lyell
The whole range gives evidence of volcanic action, but it consists almost entirely of sedimentary rocks.
"The New Gresham Encyclopedia. Vol. 1 Part 2" by Various
Plutonic and sedimentary rocks, diagram of, 452.
"A Manual of Elementary Geology" by Charles Lyell
It is from the sedimentary rocks that the main portion of geological history is derived.
"Encyclopaedia Britannica, 11th Edition, Volume 11, Slice 6" by Various
The formation of these particular sedimentary rocks by weathering of igneous rocks involves only a little carbon dioxide and water.
"Climatic Changes" by Ellsworth Huntington
Such a body of ore must be in a sedimentary series of rocks.
"The Business of Mining" by Arthur J. Hoskin
On the other side the weak sedimentary rocks have been worn down to lowlands.
"The Elements of Geology" by William Harmon Norton

In news:

They rise up like titans, ancient seabeds thrust into vertical slabs of sedimentary rock, bent and folded into towering peaks capped with icy glaciers.
Along the canyon walls of Anza-Borrego's Arroyo Tapiado ("Mudwall Wash"), weathering and erosion acting on friable sedimentary rock have produced a strange kind of topography known by some geologists as pseudokarst.
Sedimentary rock on Mars suggests large, ancient lake beds.
Scientists were gratified, though not surprised, to see sedimentary rocks with rounded pebbles, as in this outcrop named "Link".
A common sedimentary rock with porosity but little matrix permeability.

In science:

In framboids reported in sedimentary rocks more than 11,000 years old [Roberts and Turner (1993)], the central parts of the weakly magnetized framboids were found to have greigite microcrystals.
Magnetism, FeS colloids, and Origins of Life
The ma jority of the machine is located in the ‘Molasse’ (a local impermeable sedimentary rock), at a typical depth of 370 m.
ILC Reference Design Report Volume 1 - Executive Summary
The accompanying erosion scoured off in excess of 5000 feet of the sedimentary rock that covers other parts of the Great Plains, exposing the dome.
Reference Design Project Book: NUSEL-Homestake
This paper will describe two main varieties of ellipsoidal elastic models and show how well they fit the in situ data for sedimentary rocks; numerical homogenization results for several varieties of fractured rock masses will also be provided.
Ellipsoidal anisotropy in elasticity for rocks and rock masses