THE present short article is a reversion to an aspect of the subject of geologic time which I had thought to be settled, and to require no further research or controversy. In my review of Mr.
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THIS little book is made up of three papers: one on “Geological Time;” a second on “The Geological Significance of the Challenger Discoveries;” and the third on “Limestone as an Index of ...
Note: The following transcript was transcribed ... Miller: Let’s go back, not in geologic time, but in your own life’s time. How did you first get interested in rocks and geology?
Mercury is a dangerous pollutant that accumulates in the bodies of animals. It can fall to the ground in raindrops or snowflakes, or, in vapor form, stick to leaves that shower to the earth in autumn.
which reveal the existence of a global unconformity—or gap in the rock record—around the edges of every continent at the time of the pivotal greenhouse-to-icehouse climatic transition.
Earthquakes are among the most powerful natural forces on Earth, often causing widespread devastation, triggering tsunamis and altering the landscape of a region. But how strong was the strongest ...
A mysterious find on Easter Island, investigated by a team of geologists, suggests that the Earth's mantle seems to behave differently than once thought.