Published On: 01-31-2012 03:42pm
Comments: 1 - Hits: 186
Category: Travel Journal
It's April in the South Rim of the Grand Canyon, and the sun
is not out. Have you ever seen the Grand Canyon through sleet and fog? Just the
day before, the sun was out, temperature was about 53°F and I could see for miles
of the Grand Canyon from the South Rim Trial. Overnight, temperature dropped to
28°F and there was snow and sleet, fog and mud. Sure was a different scene on
this day. I talked to a couple who had just come up from the bottom of
the canyon. They had camped out over three days on the bottom and said it had gotten
to 100°F and could not believe the change in temperature when they came back
up.
The Grand Canyon formed by geologic process over millions of years is a unique
combination of size, color, and spectacular erosional forms: 277 river miles
long, up to 18 miles wide, and one mile deep. This canyon consists of a
sequence of rock layers. The bottom of the canyon is referred to as the
Basement rocks formed through high heat and pressure and turning into dark
rocks. Molten rocks filled in the cracks becoming light bands of granite. Then
over a long span of time, layer after layer of shale, sedimentary, and
sandstone rocks formed producing what we see now. The river we see now was much
bigger millions of years ago. The flow back then was as least 10 times today’s
volume. As the river flows it cuts deep and into the sides of the canyon. This
erosion is what forms the cliff and slopes of the canyon.
Below are some photos of the Grand Canyon in cold and sleet and also sunny and warm.
By TodaysTreasure on 02/05/2012 @ 08:13am
Darn ... there seems to be a problem with your pictures. But the descriptions, I've been to these places and they hang in my imagination (just in much warmer weather!)