Part III. Rocks and Plate Tectonics.

Click on this image to get a larger version of the Rocks and Plate Tectonics diagram that I drew in lecture:

Here is a story that quantifies the relative amount of heat from radioactivity relative to heat inside the Earth from the formation of the Earth.

Click on this image to see a larger version of the Rock Cycle that we drew in class:

Click on the image below to see a larger version of the Igneous Rock Classification that we developed in class:

1. An igneous rock containing potassium feldspar, quartz, and biotite would be LEAST likely to also contain:

• Olivine.
• Pyroxene.
• Amphibole.
• Muscovite.
• Sodium-Plagioclase.

Answers:

1. = Olivine.