Tag Archives: geology

Photographs: Mono Lake Basin

Tufa Field, Dawn

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Tufa Field, Dawn
First dawn light on a field of short tufa formations.

Tufa Field, Dawn. © Copyright 2012 G Dan Mitchell – all rights reserved.

First dawn light on a field of short tufa formations.

One of the great privileges about photographing landscapes is that I get to wake up way before dawn so that I can be in place before the sun rises. No, really. Like many of you, I used to dread the idea of getting up in the dark, and I could not fathom how anyone could actually want to do this. But even though I’ll admit that the sound of an alarm at, say, 3:30AM is not something I look forward to, at least I now understand that there are rewards that make it worthwhile. Such as standing alone in an immense, silent space as the first light creeps over mountains to the east.

Tufa, from I’ve come to understand, comes in quite a variety of shapes and sizes. There some well-known tufa structures that have been photographed lots of times not far from here, and I’ve photographed those, too. I have gotten to know some absolutely huge tufa formations in desert areas around Death Valley. (If you were familiar with only the first one I mentioned above, you might not even recognize the second as an example of the same thing.)These very small tufa structures embody yet another form of this stuff.

G Dan Mitchell is a California photographer and visual opportunist. His book, “California’s Fall Color: A Photographer’s Guide to Autumn in the Sierra” is available from Heyday Books and Amazon.

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Photographs: Death Valley, Photographs: Desert, Photographs: Nature

Marbled Canyon Wall

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Marbled stone in a Death Valley canyon wall.

Marbled Canyon Wall. © Copyright 2019 G Dan Mitchell – all rights reserved.

Marbled stone in a Death Valley canyon wall.

This little section of canyon wall is one that I’ve marveled (marbled?) at for years, stopping there every time I visit this canyon and pondering how to photograph it. Although I find the patterns (and what they imply about the geology of this place) to be remarkable, it isn’t each to find a way to photograph them the way I want. On this visit the canyon was quite dark and the light filtering down from above was soft and blue-toned.

I am about as far from being a trained geologist as one can be. I have never taken a single course in the subject, though I have read a bit. Nonetheless, I always marvel at the record of time and geological forces that created a little spot like this. Some material was, I presume, laid down “here” over a long period of time. Additional time allowed for it to transform into rock. As geological forces on various scales did their work, cracks appeared that permitted the entrance of entirely different material to create what we see as veins — but which are perhaps better thought of as layers. Eventually the force of water (and perhaps a weakness in the structure of the rock?) exposed this rock to the light. And then I arrived to photograph it…

G Dan Mitchell is a California photographer and visual opportunist. His book, “California’s Fall Color: A Photographer’s Guide to Autumn in the Sierra” is available from Heyday Books and Amazon.

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All media © Copyright G Dan Mitchell and others as indicated. Any use requires advance permission from G Dan Mitchell.

Photographs: Death Valley, Photographs: Desert, Photographs: Nature

Pinnacles And Desert Mountains

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Pinnacles And Desert Mountains
Distant desert mountians rise beyond rocky pinnacles in midday light.

Pinnacles And Desert Mountains. © Copyright 2019 G Dan Mitchell – all rights reserved.

Distant desert mountians rise beyond rocky pinnacles in midday light.

Photographers would typically not photograph a subject like this one on a day like this or at this time of day — close to the middle of a perfectly clear day, with stark desert light. But that’s when I typically pass through this area, always on my travels to and from Death Valley. On this spring day I had gotten on the road very early to start the long drive, planning to arrive in the park by mid-afternoon, so being in this spot was a secondary effect of that planning

But this challenging midday desert light is perhaps more typical of such scenes, with their stark contrasts between bright light and deep, sharp-edged shadows. Here the foreground pinnacles are backlit and almost in silhouette, while in the distance the lower reaches of a giant desert mountain range begin to rise from this broad valley.

G Dan Mitchell is a California photographer and visual opportunist. His book, “California’s Fall Color: A Photographer’s Guide to Autumn in the Sierra” is available from Heyday Books and Amazon.

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Links to Articles, Sales and Licensing, my Sierra Nevada Fall Color book, Contact Information.

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All media © Copyright G Dan Mitchell and others as indicated. Any use requires advance permission from G Dan Mitchell.

Photographs: Death Valley, Photographs: Desert, Photographs: Nature

Desert Pinnacles

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Desert PInnacles
Tufa pinnacles in the middle of a vast desert valley.

Desert Pinnacles. © Copyright 2019 G Dan Mitchell – all rights reserved.

Tufa pinnacles in the middle of a vast desert valley.

These lonely tufa tower pinnacles stand alone in the middle of a very large Southern California desert valley. If you passed on the nearby highway and did not know they were there you could easily overlook them — though when you do spot them they make a striking sight.

Beyond their austere and striking visual appeal, they also provide evidence of the remarkable ways that the landscape formed. Despite being in a location which today seems about as arid and unforgiving as you can imagine, they were formed by water. This entire basin was filled with a lake a long time ago, and the towers grew around submerged springs. When the lake disappeared the towers remained.

G Dan Mitchell is a California photographer and visual opportunist. His book, “California’s Fall Color: A Photographer’s Guide to Autumn in the Sierra” is available from Heyday Books and Amazon.

Blog | About | Flickr | Facebook | Email

Links to Articles, Sales and Licensing, my Sierra Nevada Fall Color book, Contact Information.

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All media © Copyright G Dan Mitchell and others as indicated. Any use requires advance permission from G Dan Mitchell.