Daily Archives: April 11, 2013

Originally posted on Amras888:
Igneous rocks are referred to as Primary Minerals, Sedimentary rocks are Secondary Minerals, Metamorphic rocks are Tertiary Minerals. Sediment Quartz This crystal, found in a river in China, has an interesting history. It started life as…

Originally posted on archithoughts:
Green space in and around San Agustín. Source: Metro Cable San Agustín San Agustín, a parish in Caracas, Venezuela, is known for open plots of land where the hillside is too steep for habitation. A group of…