Navajo Sandstone - Depositonal Environment

Depositonal Environment

The sandstone was deposited in an arid erg on the Western portion of the Supercontinent Pangea. This region was affected by annual monsoons that came about each winter when cooler winds and wind reversal occurred.

Read more about this topic:  Navajo Sandstone

Famous quotes containing the word environment:

    For those parents from lower-class and minority communities ... [who] have had minimal experience in negotiating dominant, external institutions or have had negative and hostile contact with social service agencies, their initial approaches to the school are often overwhelming and difficult. Not only does the school feel like an alien environment with incomprehensible norms and structures, but the families often do not feel entitled to make demands or force disagreements.
    Sara Lawrence Lightfoot (20th century)