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Saturday, 29 March 2014 22:04

Purple Mountain Majesties

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Translated literally their name means the "Salt Mountains," but their reality is nothing quite so ephemeral. They were formed some 25-28 million years ago by the intrusion of igneous rocks into surrounding less resistant sedimentary layers which eventually eroded away. The shapes of some of these intrusions are laccolithic in nature meaning their floors have spread out along more or less level fracture planes in the encompassing sedimentary rocks. Some of the once-overriding sediments nearby - the uplifts of the Colorado Plateau - have now become the exotic warps and folds of Arches National Park, and the mountains, of course, are the La Sals, rising to the east and topping out at over 12,700', with the continuous slicing of the Colorado River moving in between. After the first snows of late-September and early-October the tips of the La Sals are covered in white, giving rise to the name by which the early trappers and mountain men knew all the Rockies: The Shining Mountains. I chose to divide this Image into about 65% land and 35% sky because the beautiful line of floating stratocumului were elements of visual interest in a startling blue firmament. Of the 65% land, I divided it into one-third Navajo Sandstone foreground, one-third mid-ground, and one-third purple mountain majesty. A medium telephoto focal length of 157mm gave me the angle of view and magnification I wanted. At an aperture of f/22, a shutter speed of 1/15th second at ISO 100 gave me an overall medium exposure.   

 

Read 25402 times Last modified on Saturday, 12 April 2014 22:17

4 comments

  • Comment Link Don McGowan Wednesday, 02 April 2014 08:58 posted by Don McGowan

    Hi Everyone, thanks for joining me for this conversation. Joani I really appreciate your question about the "captcha" used to screen responses. Currently it seems that two sets of numbers appear for you to type in: one is much longer than the other; and one, usually the shorter set, is more difficult to discern. I just type in the first set then create a space and type in the second set. When I click on "Submit", if I am accurate, a phrase appears below the "submit" bar that says something like "Comment added..." Almost instantly the number set changes. Ignore it. If you see the acceptance come up, do nothing else, the comment has been accepted and will be posted as soon as I see it. Just remember that I have to be at my computer to see it, so it may be several hours before it's actually posted on the site. Hey Pat and Nancy T., I'm really glad you like this Image. What I am reminded of is the old photographic saw that it's all about the light, which we sometimes interpret as being about the drama of sunrise, sunset, or stormy weather. This image was taken mid-morning and it was the clouds that provided the dramatic effect. Yes, it's about the light, but light comes in a range of forms, any of which can be used creatively. For me it's the relationships of the elements in this image that really make it work as much as the quality of the light.

  • Comment Link Patricia Crutchfield Monday, 31 March 2014 21:58 posted by Patricia Crutchfield

    Don,
    I love the layers in this image, the various colors of the earth, the snow-capped peaks, blue sky, and those marvelous clouds. You captured it all. This is an absolutely beautiful landscape ... I could spend hours in it. Thank you.

  • Comment Link Nancy Tripp Monday, 31 March 2014 17:07 posted by Nancy Tripp

    God shed his grace on thee! Wow! This is EPIC! Well organized for so much in a small rectangle. Where were you standing that you could see all of that beauty? It is something you could just stare at for while before taking another breath. There must be eagles flying in there somewhere. I love it! Thanks for sharing.

    Nancy

  • Comment Link Joani Sunday, 30 March 2014 19:12 posted by Joani

    Beautiful, thanks. Will be in Arches, camping at Manti-La Sal.

    BTW, what am I doing wrong with the numerical entries? Keep getting a number of them with and without a space.

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