Activity Quote by Mark Twain

The more clearly the immensely speculative nature of geological science is recognized, the easier it becomes to remodel our concepts of any inferred terrestrial…

— William Morris Davis

[Geology] may be looked upon as the history of the earth's changes during preparation for the reception of organized beings, a history, which has…

— Edward Forbes

s a scene of changes, and to be constant in Nature were inconstancy.

— Abraham Cowley

To trace the series of these revolutions, to explain their causes, and thus to connect together all the indications of change that are found…

— John Playfair

Geologists have usually had recourse for the explanation of these changes to the supposition of sundry violent and extraordinary catastrophes, cataclysms, or general revolutions…

— George Julius Poulett Scrope

“The home terms still apply. The enthusiasm geologists show for adding new words to their conversation is, if anything, exceeded by their affection for…

— John McPhee

Why does mineral water that 'has trickled through mountains for centuries' have a 'use by' date?

— Peter Kay

The enthusiasm geologists show for adding new words to their conversation is, if anything, exceeded by their affection for the old. They are not…

— John McPhee

(The processes are) doubly ruinous: they impoverish the earth by hastily removing, for the benefit of a few generations, the common resources which, once…

— Lewis Mumford

The words are purposes./The words are maps./I came to see the damage that was done/and the treasures that prevail.

— Adrienne Rich

The mineral kingdom consists of the fossil substances found in the earth. These are either entirely destitute of organic structure, or, having once possessed…

— Torbern Bergman

We hence acquire this sublime and interesting idea; that all the calcareous mountains in the world, and all the strata of clay, coal, marl,…

— Erasmus Darwin