1 / 6

Metamorphic Rocks

Metamorphic Rocks. What are they??. Rocks that have changed (metamorphism) due to HEAT and PRESSURE. These rocks form DEEP underground!. Types of Metamorphism. Contact Metamorphism - Rocks heated (changed) by touching or being near magma.

smcclain
Download Presentation

Metamorphic Rocks

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. Metamorphic Rocks

  2. What are they?? • Rocks that have changed (metamorphism) due to HEAT and PRESSURE. These rocks form DEEP underground!

  3. Types of Metamorphism • Contact Metamorphism - Rocks heated (changed) by touching or being near magma. • Regional Metamorphism – Extreme pressure, occurs deep below rock formations or where Earth’s crust collides.

  4. Classification • Metamorphic rocks are classified in 2 ways… • Foliated • Non-Foliated

  5. Foliated • Mineral grains flatten and line up in parallel bands OR layers. Slate: Foliated (w/layers) Gneiss: Foliated (w/banding)

  6. Non-Foliated • Mineral grains change, grow, and rearrange, but don’t form bands or layers. Green Quartzite Marble

More Related