sand - dune sand - orange-pink sand derived from the Navajo Sandstone - set of two 2-ounce jars Peat is formed by partial

Peat is formed by partial decomposition of plant material under acidic conditions

The last large event on this segment occurred in 1857

It would be instructive for students to compare these two dune sands - both fine-grained but very different in color

The ore plus this set of two jars

sand - dune sand - orange-pink sand derived from the Navajo Sandstone - set of two 2-ounce jars Peat is formed by partialSand is derived from whatever material is locally available. Sand on the beaches of the Bay of Campeche on the Gulf Coast of Mexico can be entirely composed of shell fragments, since shells are what is available. This interesting sand was derived from the Navajo Sandstone which makes up the cross bedded cliffs at Zion National Park in Utah and which is widely distributed in southern Utah outside of the park. The sand grains are entirely frosted