Lexic.us

Definition of Permian period

1. Noun. From 280 million to 230 million years ago; reptiles.

Lexicographical Neighbors of Permian Period

Literary usage of Permian period

Below you will find example usage of this term as found in modern and/or classical literature:

1. Manual of Geology: Treating of the Principles of the Science with Special by James Dwight Dana (1875)
"The Permian period, the closing era of the Carboniferous age, ... In America, no division of the Permian period into epochs has been recognized. 1. ..."

2. Manual of Geology: Treating of the Principles of the Science with Special by James Dwight Dana (1894)
"Permian period. ROCKS —KINDS AND DISTRIBUTION. It has been stated that the Upper Barren Measures of Pennsylvania and West Virginia, having a thickness in ..."

3. Geology by Thomas Chrowder Chamberlin, Rollin D. Salisbury (1905)
"THE Permian period.1 FORMATIONS AND PHYSICAL HISTORY. ... With the beginning of the Permian period, the waters which lay upon the continent were partly in ..."

4. Geology by Thomas Chrowder Chamberlin, Rollin D. Salisbury (1905)
"THE Permian period.' FORMATIONS AND PHYSICAL HISTORY. ... With the beginning of the Permian period, the waters which lay upon the continent were partly in ..."

5. Geology by Thomas Chrowder Chamberlin, Rollin D. Salisbury (1906)
"With the beginning of the Permian period, the waters which lay upon the continent were partly in the form of lakes and inland seas, and partly connected ..."

6. An Introduction to Historical Geology: With Special Reference to North America by William John Miller (1916)
"... CHAPTER XII THE Permian period ORIGIN OF NAME, SUBDIVISIONS, ETC. THIS period was so named by Murchison in 1841 because of the widespread development of ..."

7. An Introduction to Geology by William Berryman Scott (1907)
"CHAPTER XXXI THE Permian period THE name Permian was given by Sir Roderick Murchison in 1841 to a series of rocks which is very extensively developed in the ..."

8. A College Text-book of Geology by Thomas Chrowder Chamberlin, Rollin D. Salisbury (1909)
"CHAPTER XXII THE Permian period FORMATIONS AND PHYSICAL HISTORY At the close of the Pennsylvania:! period much of the central and eastern parts of the ..."

Other Resources: