The largest banded iron formations on Earth occur in rocks between 2.4 and 2.1 billion years old, and are thought to result from the oxygenation of the planet’s atmosphere.  Given what was discussed in class about the chemistry of iron, what would you look for to support this theory?  

The term “fossil fuel” refers to:

Chile has been the leading producer of copper worldwide for decades.  Describe how the geology of Chile is responsible for this economic fact.

Which of the following is not required to form a deposit of petroleum?

Coal beds result from the metamorphism of:

Chile has been the leading producer of copper worldwide for decades.  Describe how the geology of Chile is responsible for this economic fact.

Coal beds result from the metamorphism of:

Prior to the early 1970’s, the principal use of lead was in:

The deepest underground mines on Earth are found in the:

Which of the following emits the least CO2 per BTU of energy generated?