Coastal & Marine Geology InfoBank

Home FACS Activities Atlas Geology School Related Sites More

USGS CMG InfoBank: Similar Planet Origins

Skip navigational links
Loading
Dictionaries: Our Mapping Systems   The USGS and Science Education   USGS Fact Sheets   Topics   Keywords   Data Dictionary   Metadata Dictionary   Computer Terminology   Digital Formats  
InfoBank Terms: Activity ID   activity overview   crew   digital data   formal metadata   lines   metadata   NGDC   port stops   project/theme   region   ship   stations   time   virtual globe   year  
Data Types: bathymetry   biological   geochemical   gravity   ground penetrating radar   imaging   LIDAR   logs   magnetics   metering equipment   navigation   samples   seismic   total station   definitions disclaimer  
Data Formats: ARC coverage   E00   FGDC metadata   gridded/image   imaging   material   scattered/swath   Shapefile   vector/polygon  
Comment: 25:30 - 26:05 (00:35)
Source: Annenberg/CPB Resources - Earth Revealed - 14. Intrusive Igneous Rocks
Keywords: heat, intrusion, "igneous rock", granite, sediment, continent, ocean, crust, gabbro, basalt, mantle, ultramafic, planet, "Solar System", "James Sadd"

Our transcription: Throughout geologic time, the great heat generated within the interior of the Earth has caused rocks to melt.
Most of the Earth is composed of intrusive igneous rock.
Continents are largely masses of granitic rock beneath a thick blanket of soil and sediment.
Oceanic crust is mostly gabbro coated with basalt and mud.
Even the rocks of the Earth's mantle were formed from the slow cooling of ultramafic magma.
And so far, evidence from the interior planets of our solar system indicate that they, too, formed in a similar way.

Geology School Keywords
Skip footer navigational links

Coastal and Marine Science Centers:  Pacific   St. Petersburg   Woods Hole  
InfoBank   Coastal and Marine Geology Program   Geologic Information   Ask-A-Geologist   USGS Disclaimer  


Accessibility FOIA Privacy Policies and Notices

Take Pride in America logo USA.gov logo U.S. Department of the Interior | U.S. Geological Survey
URL: http://walrus.wr.usgs.gov/infobank/programs/html/school/moviepage/13.01.28.html
Page Contact Information: InfoBank staff
Page Last Modified: Thu Oct 31 04:26:48 PDT 2013  (chd)