'Oxidized iron' diaporamas de présentation

The Primordial Earth: Hadean and Archean Eons

556 views • 38 slides

THE PRIMORDIAL EARTH Hadean and Archean Eons Evidence of Anoxia

THE PRIMORDIAL EARTH Hadean and Archean Eons Evidence of Anoxia. Lack of oxidized iron in the oldest sedimentary rocks. Urananite and pyrite are readily oxidized today, but are found unoxidized in Precambrian sediments Archean sedimentary rocks are commonly dark due to

628 views • 32 slides

Climatology

Climatology. Climate vs. Weather. The difference between weather and climate is a measure of time. Weather is what conditions of the atmosphere are over a short period of time, and climate is how the atmosphere "behaves" over relatively long periods of time.

1.13k views • 26 slides

531 views • 26 slides

Soil

586 views • 8 slides