WASHINGTON, March 18 (TNSres) -- The U.S. Department of the Interior Geological Survey issued the following abstract of an article on January 25, 2025, entitled "Light absorbing particles deposited to snow cover across the Upper Colorado River Basin, Colorado Rocky Mountains, 2013-16: Interannual variations from multiple natural and anthropogenic sources." Here are excerpts: * * * Atmospheric particulate matter (PM) as light-absorbing particles (LAPs) deposited to snow cover can result in ear  more

WASHINGTON, March 18 (TNSres) -- The U.S. Department of the Interior Geological Survey issued the following abstract of an article on February 18, 2025, entitled "Reduction of red bed sedimentary rocks in connection with energy metal ore formation: A case study from the Sinbad seep, Mesa County, Colorado." Here are excerpts: * * * The Paradox Basin's Sinbad seep is a modern analog for ancient bleaching of red bed sediments by introduced alkaline, reducing brines. This bleaching, involving red  more

WASHINGTON, March 18 (TNSres) -- The U.S. Department of the Interior Geological Survey issued the following abstract of an article on January 18, 2025, entitled "Relationship of atmospheric nitrogen deposition to soil nitrogen cycling along an elevation gradient in the Colorado Front Range." Here are excerpts: * * * Microbial processing of atmospheric nitrogen (N) deposition regulates the retention and mobilization of N in soils, with important implications for water quality. Understanding th  more