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More Indepth notes on Metals
Source: Bibliography
Source: Bibliography
Geological Rocks & Minerals
Designed by Nigel G Wilcox
Ref: C20
Cretaceous-Tertiary Boundry
Name: Cretaceous - Tertiary Boundry
Location: Raton, New Mexico
Date: 2007
Caption: This is a cross section of the Cretaceous-Tertiary boundary from Raton, New Mexico. The light-colored clay layer marks the boundary and contains impact signs such as spheres of melted rock, grains of shocked quartz and a large amount of iridium.
Location: Raton, New Mexico
Date: 2007
Caption: This is a cross section of the Cretaceous-Tertiary boundary from Raton, New Mexico. The light-colored clay layer marks the boundary and contains impact signs such as spheres of melted rock, grains of shocked quartz and a large amount of iridium.
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