What are some events that all of us have had in our lives? Ask the class "What are some events that all of us have had in our lives?" Make a list of 5 or 6 things on the board. Let’s organize these!
A new analysis of rocks thought to be at least 2.5 billion years old helps clarify the chemical history of Earth's mantle -- the geologic layer beneath the planet's crust. The findings hone scientists ...
What if we told you that your entire understanding of time is about to be shattered? Human beings are notoriously bad at comprehending vast scales—whether ...
An introduction to geology -- Plate tectonics: a scientific revolution unfolds -- Matter and minerals -- Magma, igneous rocks, and intrusive activity -- Volcanoes and volcanic hazards -- Weathering ...
A thin slice of the ancient rocks collected from Gakkel Ridge near the North Pole, photographed under a microscope and seen under cross-polarized light. Field width ~ 14mm. Analyzing rocks in thin ...
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