Portal:Petrology

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Petrology

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Petrology is the branch of geology that studies rocks, and the conditions in which rocks form. Lithology was once approximately synonymous with petrography, but in current usage, lithology focuses on macroscopic hand-sample or outcrop-scale description of rocks, while petrography is the speciality that deals with microscopic details.Warning: template has been deprecated.

General

"What the Chemistry of the Rocks Teaches" in Popular Science Monthly, 4 (April 1874)
"Rock-Structure" in Popular Science Monthly, 9 (August 1876)
"Rock-Weathering, as Illustrated in Churchyards" in Popular Science Monthly, 18 (March 1881)

Asphalt

"Origin and Uses of Asphalt" in Popular Science Monthly, 19 (August 1881)
"American and Foreign Asphalts" in Popular Science Monthly, 22 (December 1882)

Coal

"Coal as a Reservoir of Power" in Popular Science Monthly, 1 (October 1872)
"A Piece of Coal" in Popular Science Monthly, 18 (March 1881)
"Coal" in Littell's Living Age, 173 (2235) (23^rd April, 1887)

Limestone

"On a Piece of Limestone" in Popular Science Monthly, 8 (December 1875)

Reference

"Acadian," in Encyclopædia Britannica (11th ed., 1911)
"Amphibolite," in Encyclopædia Britannica (11th ed., 1911)
"Andesite," in Encyclopædia Britannica (11th ed., 1911)
"Aplite," in Encyclopædia Britannica (11th ed., 1911)
"Asphalt," in Encyclopædia Britannica (11th ed., 1911)
"Aymestry Limestone," in Encyclopædia Britannica (11th ed., 1911)
"Basalt," in Encyclopædia Britannica (11th ed., 1911)
"Banket," in Encyclopædia Britannica (11th ed., 1911)
"Borolanite," in Encyclopædia Britannica (11th ed., 1911)
"Epidosite," in Encyclopædia Britannica (11th ed., 1911)
"Nephelinites," in Encyclopædia Britannica (11th ed., 1911)