geologyMcAfee SECURE sites help keep you safe from identity theft, credit card fraud, spyware, spam, viruses and online scams

Geology News
Earth Science Current Events


Photo by Scot Izuka, USGS.
What is Scoria?
March 19, 2013 | Geology.com

Scoria is a dark-colored igneous rock with abundant gas vesicles. It is used to make lightweight concrete and as a landscape aggregate. Nature uses it as the construction material for cinder cones.


  Related Stories

Pumice
March 25, 2013 | Geology.com
Pumice is a light-colored, extremely porous, igneous rock that forms during explosive volcanic eruptions. It is used as aggregate in lightweight concrete, as landscaping aggregate and as an abrasive in a variety of industrial and consumer products.

More Landscape Disturbance Publications from USGS
June 21, 2013 | USGS
"Landscape change in Pennsylvania's Somerset and Westmoreland counties resulting from construction of well pads, new roads and pipelines for natural gas and coalbed methane exploration is being documented to help determine the potential consequences for ecosystems and wildlife, according to a new U.S. Geological Survey report." Quoted from the USGS publication announcement.

More Landscape Disturbance Maps Over the Marcellus
November 24, 2013 | USGS
"Landscape change in Pennsylvania's Sullivan, Wyoming, Armstrong and Indiana counties resulting from construction of well pads, new roads and pipelines for natural gas and coalbed methane exploration is being documented by the United States Geological Survey." Quoted from the USGS announcement.


We are constantly looking for interesting items related to geology and general science. When we find something interesting we share it here. Bookmark this page and visit often. You can also receive our news for free by RSS feed or email. We publish updates three or four days per week.





© 2005-2013 Geology.com. All Rights Reserved.
Images, code and content of this website are property of Geology.com. Use without permission is prohibited. Pages on this site are protected by Copyscape.