““Finding outcrops is easy in arid and mountainous areas, where naked rock lies basking in the sun. But in humid and topographically subtle areas (think Indiana), outcrops are elusive. Invariably, the few rocks that do expose themselves become veiled with lichen over time (the resourceful geologist learns to note that certain colors of lichen signify particular rock types—orange for basalt, green for granite)””
![“At present, [in the desert] an exasperating clarity reigns. The sky has become less visible than water in a jar. Black peaks, spines of granite, a twisted tree are sculpted in this atmosphere basted with reflections. All that remains: a countryside of imperishable contours.” quote by Mohammed Dib](https://sms4smile.com/quotes/img-quotes/9bd/mohammed-dib-57734_all-that-remains_at-present-in-the-desert-an-exasperating_2311683.jpg)
