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The Devil's Dictionary: Geology

by Ambrose Bierce GEOGRAPHERGHOSTGEOLOGY -n. The science of the earth's crust - to which, doubtless, will be added that of its interior whenever a man shall come up garrulous out of a well…

Table of Geological Periods

It is generally assumed that planets are formed by the accretion of gas and dust in a cosmic cloud, but there is no way of estimating the length of this process. Our Earth acquired its present size…

Powell, John Wesley

(Encyclopedia) Powell, John Wesley, 1834–1902, American geologist and ethnologist, b. Mt. Morris (now part of New York City). The family moved to Illinois, where Powell joined the Natural History…

Hall, James

(Encyclopedia) Hall, James, 1811–98, American geologist and paleontologist, b. Hingham, Mass., grad. Rensselaer School (later Rensselaer Polytechnic Institute), 1832. An authority on stratigraphy and…

Branner, John Casper

(Encyclopedia) Branner, John Casper, 1850–1922, American geologist, b. New Market, Tenn. He made geological investigations in Brazil (1874–84); the results of these studies and of others made in…

Gilbert, Grove Karl

(Encyclopedia) Gilbert, Grove Karl, 1843–1918, American geologist, b. Rochester, N.Y., grad. Univ. of Rochester, 1862. When the U.S. Geological Survey was created in the Dept. of the Interior in 1879…

Holmes, William Henry

(Encyclopedia) Holmes, William Henry, 1846–1933, American geologist, anthropologist, and museum director, b. Harrison co., Ohio. He was internationally recognized for his work in museum science. In…

Geology of the Grand Canyon: The Eocene.

THE CRETACEOUS.THE EOCENE.The foreground of the picture is full of strength and animation. At our feet is the brink of a precipice where the profiles descend 800 feet upon rugged sloped…

Geology of the Grand Canyon: The Cretaceous.

THE EOCENE.THE JURASSIC.THE CRETACEOUS.The platform immediately below the Pink Cliffs is picturesque rather than grand. Rough rolling ridges of yellow sandstone, long sloping hillsides and…

Geology of the Grand Canyon: The Jurassic.

THE CRETACEOUS.THE TRIAS.THE JURASSIC.Beyond the Cretaceous, as we descend the stairway of terraces, the Jurassic comes to daylight. It forms a belt encircling the Cretaceous and outside of…