The term Silurian was employed by Barrande, after Murchison, in a more comprehensive sense than was justified by subsequent knowledge.    From Wordnik.com.  [Encyclopaedia Britannica, 11th Edition, Volume 3, Part 1, Slice 3 "Banks" to "Bassoon"] Reference

They're also in a fairway for a deeper zone called the Silurian, where a number of other companies have had huge success.    From Wordnik.com.  [SeekingAlpha.com: Home Page] Reference

On the Cambrian rocks rest the formations known as Silurian, from the fact that they were first thoroughly examined in South Wales.    From Wordnik.com.  [Story of Creation as Told By Theology and By Science] Reference

You have in that first stage what the geologists call the Silurian Age, the age of fishes, when the great divine manifestation was of all these forms of life.    From Wordnik.com.  [Avatâras Four lectures delivered at the twenty-fourth anniversary meeting of the Theosophical Society at Adyar, Madras, December, 1899] Reference

The Silurian was the great age of trilobites; the Devonian, the age of fishes; Mesozoic times swarm with the gigantic reptiles; and in Tertiary times the mammals are dominant.    From Wordnik.com.  [Time and Change] Reference

There is no alteration in this except that "Silurian" has become.    From Wordnik.com.  [Luck or Cunning?] Reference

Orthoceratites of the Silurian and Devonian epochs.    From Wordnik.com.  [The Atlantic Monthly, Volume 12, No. 70, August, 1863] Reference

Ludlow series of Silurian rocks, between the Upper and Lower Ludlow shales.    From Wordnik.com.  [Encyclopaedia Britannica, 11th Edition, Volume 3, Part 1, Slice 1 "Austria, Lower" to "Bacon"] Reference

Silurian deposits, lying now between Finland and Russia, enlarged that region.    From Wordnik.com.  [The Atlantic Monthly, Volume 12, No. 69, July, 1863] Reference

Of these, the most considerable and remarkable are the bituminous shales of the Silurian.    From Wordnik.com.  [Scientific American Supplement, No. 362, December 9, 1882] Reference

Silurian, Ordovician, and Cambrian limestone and dolomite commonly underlie Ecoregion 67a.    From Wordnik.com.  [Ecoregions of Delaware, Maryland, Pennsylvania, Virginia, and West Virginia (EPA)] Reference

•Cored by folded and faulted, interbedded Silurian sandstone, conglomerate, and quartzite.    From Wordnik.com.  [Ecoregions of New Jersey (EPA)] Reference

I should rely much on pre-Silurian times; but then comes Sir W. Thomson like an odious spectre.    From Wordnik.com.  [Alfred Russel Wallace: Letters and Reminiscences, Vol. 1] Reference

Silurian beds, which should underlie them in their natural position, form its centre and summit.    From Wordnik.com.  [The Atlantic Monthly, Volume 11, No. 67, May, 1863] Reference

•Underlain by Silurian limestone and shale, as well as Devonian limestone, sandstone, and shale.    From Wordnik.com.  [Ecoregions of New Jersey (EPA)] Reference

The Knobs – Norman Upland is underlain by Pennsylvanian-age through Silurian-age sedimentary rocks.    From Wordnik.com.  [Ecoregions of Kentucky (EPA)] Reference

Not one solitary species of fish now in existence is to be found in the Devonian or Silurian formations.    From Wordnik.com.  [The Making of Arguments] Reference

In the Silurian period, the Crinoids stood alone; there were neither Ophiurans, Asteroids, Echinoids, nor.    From Wordnik.com.  [The Atlantic Monthly, Volume 10, No. 57, July, 1862] Reference

Ecoregion 52 is underlain by Ordovician - and Silurian-age dolomite, limestone, and shale (Kolata, 2005).    From Wordnik.com.  [Ecoregions of Illinois (EPA)] Reference

Perhaps we are the trilobites of a new Silurian period; well, trilobites were painfully common, but we need not be.    From Wordnik.com.  [The Master-Knot of Human Fate] Reference

On less fertile, more acidic soils derived from Silurian dolomite, white oak stands occurred and had barren openings.    From Wordnik.com.  [Ecoregions of Kentucky (EPA)] Reference

The bedrock geology of 51g is shallower than other ecoregions in 51 and consists primarily of Silurian dolomite bedrock.    From Wordnik.com.  [Ecoregions of Wisconsin (EPA)] Reference

Silurian sandstone period, afford only another instance of the same law to which we have called the attention of our readers.    From Wordnik.com.  [Life: Its True Genesis] Reference

The Silurian epoch has been referred by Élie de Beaumont to the system of upheaval called by him the system of Westmoreland and.    From Wordnik.com.  [The Atlantic Monthly, Volume 12, No. 69, July, 1863] Reference

Lake Wener in the south of Sweden, and in many parts of Russia, the Silurian strata maintain the most perfect horizontality; and.    From Wordnik.com.  [The Harvard Classics Volume 38 Scientific Papers (Physiology, Medicine, Surgery, Geology)] Reference

Plants had begun to colonize the land, closely followed in the Silurian by invertebrates, and in the Late Devonian by vertebrates.    From Wordnik.com.  [Paleozoic] Reference

The rocks which hold these ore deposits are of Silurian age, but they received their metalliferous impregnation much later, probably in the.    From Wordnik.com.  [Scientific American Supplement, No. 446, July 19, 1884] Reference

The limestones of the Silurian series are the principal sources of supply, the quarries about Joliet being among the largest in the United States.    From Wordnik.com.  [Final Report of the Louisiana Purchase Exposition Commission] Reference

Silurian and Devonian deposits; while a smaller one, which does not seem, however, to have disturbed the beds about it so powerfully, broke through in Arkansas.    From Wordnik.com.  [The Atlantic Monthly, Volume 11, No. 67, May, 1863] Reference

Although the Vertebrate division of the Animal Kingdom still waited for its higher classes, yet it had received one important addition since the Silurian and Devonian periods.    From Wordnik.com.  [The Atlantic Monthly, Volume 11, No. 67, May, 1863] Reference

Silurian and Devonian deposits of the British Possessions to the north from those of the United States to the south, Canada itself consisting, in great part, of the granite ridge.    From Wordnik.com.  [The Atlantic Monthly, Volume 11, No. 67, May, 1863] Reference