The dark streaks and patches on desert rock are called "desert varnish" photo

pinicola | all galleries >> Karen & Gary >> Utah 2009 >> 3 Canyonlands National Park > The dark streaks and patches on desert rock are called "desert varnish"


15-SEPT-2009

Iron and manganese makes the color, and scientists suspect that bacteria plays a role in
creating the resulting dark coating on the rock.

Panasonic Lumix DMC-FZ28
1/8s f/3.0 at 6.5mm iso100 full exif

other sizes: small medium large original auto

comment |

Type your message and click Add Comment

It is best to login or register first but you may post as a guest. Enter an optional name and contact email address. Name
Name Email
help	private comment

Type your message and click Add Comment

It is best to login or register first but you may post as a guest. Enter an optional name and contact email address. Name
Name Email
help	private comment