1 / 11

2.2 Three Classes of Rocks: Igneous, Sedimentary, and Metamorphic

2.2 Three Classes of Rocks: Igneous, Sedimentary, and Metamorphic. Igneous Rocks – rocks that form from hot, molten rock Ex. Obsidian, pumice, pegmatite, and basalt. Igneouos Rock. Intrusive Rock – igneous rocks formed from the magma that cooled and hardened beneath Earth’s surface

mingles
Download Presentation

2.2 Three Classes of Rocks: Igneous, Sedimentary, and Metamorphic

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. 2.2 Three Classes of Rocks: Igneous, Sedimentary, and Metamorphic

  2. Igneous Rocks – rocks that form from hot, molten rock • Ex. Obsidian, pumice, pegmatite, and basalt

  3. Igneouos Rock

  4. Intrusive Rock – igneous rocks formed from the magma that cooled and hardened beneath Earth’s surface • Extrusive Rock – igneous rocs that were formed from lava cooling on Earth’s surface.

  5. Sedimentary Rock – layers of rocks that form when small pieces of rock carried by water or wind and settle or sink down in water onto the rocks below them. • Ex. Limestone, shale, conglomerate, and sandstone

  6. Sedimentary Rock

  7. Metamorphic Rock – rocks that have been changed because of intense pressure and heat within Earth’s interior • Ex. Gneiss, marble, schist, quartzite, and slate

  8. Metamorphic Rock

  9. Classifying – grouping of objects or events that have the same characteristics. • Remote Sensing – mapping of Earth’s surface from aircraft or orbiting satellites • Geophysical Prospecting – using sensitive instruments to detect mineral deposits hidden deep underground

  10. Geochemcial Prospecting – making chemical analysis of samples taken from the environment. • Exploration – drilling holes to verify an ore body’s existence

More Related